© 2002-11 PRINTED IN JAPANB53-0004-00 (N) 3379

COMPACT

RDMLOUD REPSCAN

OFF

KDC-222

CRSC

AMEAUTOADJCLK

AUD

45Wx4

COMPACT

RDMLOUD REPSCAN

OFF

KDC-2024S

MONO

AMEAUTOADJCLK

AUD

45Wx4

COMPACT

DIGITAL AUDIO

RDMLOUD REPSCAN

OFF

KDC-XXXX

CRSC

AMEAUTOADJCLK

AUD

50Wx4CD MD-Changer Control

M. RDM

COMPACT

RDMLOUD REPSCAN

OFF

KDC-2094

MONO

CLK

AUD

45Wx4WIDE BAND

DIGITAL AUDIO

DIGITAL AUDIO DIGITAL AUDIO

Depends on model. Refer to the parts list

AMEAUTOADJ

Panel assy(A64-2867-02): KDC-222(A64-2868-02): KDC-222S

Escutcheon(B07-3060-02): KDC-222(B07-3022-02): KDC-222S

Panel assy(A64-2878-02): KDC-2024SA/SG/SYA/SYG

Panel assy(A64-2870-02): KDC-2023(A64-2873-02): KDC-3023

Escutcheon(B07-3001-02): KDC-2023(B07-3022-02): KDC-3023

Panel assy(A64-2884-02): KDC-2094YA/YG

Escutcheon(B07-3001-02): KDC-2094YA/YG

Escutcheon(B07-3001-02): KDC-2024SA/SG/SYA/SYG

DC cord(E30-4784-05)

Mounting hardware assy(J21-9716-03)

DC cord(ISO)(E30-4790-05)

Plastic cabinet assy(A02-1486-13)

Lever(D10-4589-04)x2

Screw set(N99-1719-05)

Screw set(N99-1610-15)

Antenna adaptor(T90-0523-05)

CD RECEIVER

KDC-2023KDC-2024SA/SG/SYA/SYGKDC-2094YA/YGKDC-222/SKDC-3023SERVICE MANUAL

CD mechanism operation description is not in this sarvice manual.Please, refer to sarvice manual X92-4030-0x (B51-7867-00).

CD mechanism extension cord : WO5-0618-00

KDC-2023, 2024A/SG/SYA/SYG

, 2094YA/YG, 222/S,3023

2

BLOCK DIAGRAM

1200

mV

1200mV

CD : 3600mVCH : 3600mVAM(E) : 855mV

FM(E) : 1372mVFM(J,K) : 1800mV

AM(J,K) : 600mV

CHANGER

KEY MATRIXWITHLCD DRIVERLCD REMOCON

MI-COM

CD

ANT

AM AGC

FM AGC

DECODERRDS

RESETIC

EEP-ROM

TUNER,MPX &E-VOL.

SUPPLY IC

SW5V

SERVO

P-ANTP-CON

POWER

MUTELOGIC

DETACC

BUDET

MUTEPRE

POWER IC SP

ACC

UPBACK

OUT

OUTPRE

IC1

DATA H

MUTEDATA CREQ H

CH-CON

AUDIO OUT

CLKREQ C

RST

BACK UP

BU5VIC2

SW5V

LO/S

RST

LOE/LIMMO

LO/EJSTOP

MUTE8EJESDA

SCLK

AUDIO OUT

12EJE

Q501

Q502

AM+B

FM+B

AM AGC OUT

IC6

CHCD

SERVO

BU5VA8V

TU

NE

R O

UT

BU5V IC11

IC12

IC10

FM AGC OUT

A8V

SW2SW1

ILLUMI

VCC

BU5V

AUDIO+BAM+BFM+B

BA

CK

LIG

HT

KE

Y IL

LUM

I

Q51,55

SW5V

Q50

SERVO

BU5VFM+BAM+B

A8V

P-CONP-ANT

IC8

Q20

Q10

IC7

MUTE

Q223,224

IC4

KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023

3

● SWITCH UNIT (X16-1460-xx/2370-12)

COMPONENTS DESCRIPTION

Ref.No. Application/Functions Operation/Condition/CompatibilityIC1 LCD driver & key matrix

IC2 Remote Sencer

Q1 Key scan start When Q1 base goes Lo, key scan start.

● ELECTRIC UNIT (X25-9600-xx/9612-7x)Ref.No. Application/Functions Operation/Condition/Compatibility

IC1 System control µ-com System µ-com

IC4 Power amplifire E-Vol output encoder power amplification for speaker.

IC7 Power supply (Multi AVR) -

When a pin 1, 2, or 13 is "H", MUTE turns on

IC8 MUTE Logic When a pin 3, 4, or 5 is "H", P-AMP mute turns ON.

Changer is RESET when a pin 9, 10, or 11 is "L".

IC10 Tuner & E-Vol. FM/AM tuner & stereo decoder & E-Vol.

IC11 Power on reset When B.U. 5V voltage is less than 3.5V, power reset.

IC12 E2P-ROM Writing and read-out of adjustment data for a tuner

Q10 B.U. detector BU on (base "H") : Collector "H"

Q20 A.C.C detector ACC ON (base : "H") : Collector "L"

Q40 MUTE driver Base "L" : Mute on (collector "L")

Q50 SW 5V Base "L" : SW5V on

Q51 SERBO AVR control Pin 2 "H" : Serbo on (pin 4 "H")

Q55 SERBO AVR Base "H" : Serbo on

Q70 Surge detector Base "H" : Surge detect

Q101 DSI driver Base "H" : DSI on

Q102 PANEL 5V SW Panel attch : PAN5V on

Q223,224 MUTE Base "H" : Mute on

Q501 AM RF amplifire Base "H" : Gain UP

Q502 FM RF amplifire Gate "H" :Gain UP

KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023MICROCOMPUTER'S TERMINAL DESCRIPTION

4

● SYSTEM MICROCOMPUTER uPD780058GCxxx (X25 : IC1)Pin No. Name I/O Description Processing Operation

1 TDF DET I Panel detection H:Panel detached L:Panel attached

2 8EJE SW IH:Eject is completed Except 8cm CD model:always output L

3 NC O Not used (out put L)4 Avss

H:Panel detached L:RESET5 L-RST O LCD driver RESET ∆3 normal H , Power off L

When 7seg model,output L

6 L-CE O LCD driver selectionH:Select (panel communication)When panel attached,output L

7 AVREF18 NC Not used (connected to 9pin)9 IC10-DATA I/O IC10,E2PROM data communication ∆3 non communication : H10 IC10-CLK O IC10,E2PROM clock communication ∆3 non communication : H

Non communication : H11 L-DATAL I Data input from the LCD driver When panel detached : L

∆3 Pull down on X25 unit,Pull up on X16 unit12 L-DATAS O Data output to the LCD driver When panel detached , output L13 L-CLK O Clock output to the LCD driver When panel detached , output L14 R-DATA I Data input from the RDS Except RDS model : output L15 R-QUAL I Quality input from the RDS Except RDS model : output L16 CH-DATAC I Data input from the changer (new 5L) Except changer model : output L

17 CH-DATAH O Data output to the changer (new 5L)When non communication ,last data keepingExcept changer model : output L

18 CH-CLK I/O Clock input/output with the Changer (new 5L)Check the old and newExcept changer model : output L

19 CH-REQH O Request output to the changer (new 5L)L:RequsetExcept changer model : output L

20 NC O Not used (output L)

21 AFS O Noise detection time constant switching terminalH:Normal L:FM/AM seek and AF search∆3 (When tuner SRC auto zero , L)

22-24 NC O Not used (output L)

25 CH-CONT O Changer controlH:Changer on L:Changer offExcept changer model : output L

26 TYPE REF O 5V lines output for destination setting H:During destination reading27 SD I Tuner SD input H:Station detected28 NC O Not used (output L)29 TYPE2 I Destination type selection terminal 2 Refer to destination type list.30 TYPE1 I Destination type selection terminal 1 Refer to destination type list.31 TYPE0 I Destination type selection terminal 0 Refer to destination type list.32 TUNER-TYPE1 I Destination available/genuine model rool off H:genuine model 1 L:available model33 Vss134 TUNER-TYPE0 I Destination available/genuine model noise cancel H:genuine model 0 L:available model

35 MUTE O Mute (E.Vol,Preset) controlH:mute on L:mute offPower off after that 15 second L

36 M-DATA I/O Data input/output with the CD mechanism ∆3 non communication : H37 M-CLK O Clock output to the CD mechanism ∆3 non communication : H

When adjustment = H38 ADJ O Tuner lines adjustment PS1-0,1=L PS1-2,2-0,1=Hi-z

IC10-DATA,CLK=Hi-z

39 P-MUTE O Power IC mute controlH:mute off L:mute onPower off after that 15 second H

40 SVR O Power IC servo controlH:When momentary power down detectedL:Nomal

41 P-STBY O Power IC standby control H:Power IC ON L:Power IC OFF

42 SW5V OSW 5V control H:SW5V OFF L:SW5V ON

Power off after that 10 second H

KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023MICROCOMPUTER'S TERMINAL DESCRIPTION

5

Pin No. Name I/O Description Processing Operation43 B.U-DET I Back up detection terminal H:power down L:B.U. on44 ACC-DET I ACC detection terminal H:ACC OFF L:ACC ON

45 PS1-0 OPower supply IC SW1 control 0Audio 8V,P-CON

46 PS1-1 OPower supply IC SW1 control 1Audio 8V,P-CON

47 PS1-2 O Power supply IC SW1 control 2 P-ANT

Power supply IC SW2 control 048 PS2-0 OILL,FM,AM

Power supply IC SW2 control 149 PS2-1 OILL,FM,AM

50 BEEP BEEPH:Light on L:Light off

51 DSI O DSI controlWhen panel attached,output LWhen panel detached,flashing at the panel (H/L)FIX model is output L

52 NC O Not used (out put L)53 NC O Not used (out put L)54 LOE/LIM SW I CD mechanism down&limit detection H:Chucking detection L:Normal55 MO SW O CD mechanism loading motor control output H:Loading,Eject,Break L:Play56 LO/EJ I/O CD mechanism loading/Eject switching terminal H:Eject L:Loading57 M-STOP O Stop output to the CD mechanism H:Play L:Stop58 M-RST O Reset output to the CD mechanism H:Normal L:CD mechanism reset59 M-MUTE I Mute input from the CD mechanism H:mute off L:mute on60 RESET Reset input from the System microcomputer61 REMO I Remote control input62 R-CLK I RDS clock input Except RDS model : output L

H:Changer detection63 CH-REQC I Request input from the changer (new 5L) L:Request

Except Changer model : output L

64 LOS SW I CD mechanism loading's switch detectedH:No discL:DISK IN(Loading Start)

65 KEY-REQ IKey input detected H:Key no input(11pin L connected to the DATA L) L:Key input (edge key data reading start)

66 12EJE SW I 12cm disc detected L:12cm disc67 Vss068 VDD169 X2 ∆3 MAIN X'tal oscillating circuit ∆3 4.19MHz X'tal connection70 X1 ∆3 MAIN X'tal oscillating circuit ∆3 4.19MHz X'tal connection71 IC TEST72 XT2 Not used OPEN73 XT174 VDD0 VDD Connected to VDD

75 AVREF0A/D converter reference voltage control output,connection to the 80pin AVCONT

76 S-METER I S-meter input77 NOISE I FM noise detection input ∆3

2.5V or greater:NAVI MUTE78 PHONE I 2way mute 1.0V or less:TEL MUTE

Except phone mute model : output L79 NC O Not used (out put L)

80 AVCONT O A/D converter standard voltage control outputH:During A/D converter activesame timing with PON

BA4911 SW1 Power supply IC outputPS1-2 PS1-1 PS1-0 A8V P-CON P-ANT

L L L STANBYL L(H) H(L) ON OFF OFFL H H ON ON OFFH H H ON ON ON

BA4911 SW2 Power supply IC outputPS2-1 PS2-0 ILLUMI FM AM

L L STANBYL(H) H(L) ON ON OFF

H H ON OFF ON

KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023MICROCOMPUTER'S TERMINAL DESCRIPTION

6

● MECHANISM MICROCOMPUTER MN6627771KP (X32 : IC2)Pin No. Name I/O Description Processing Operation

1 TVD O Traverse driver output (PWM output)2 SPL O Spindle motor drive output (PWM output)3 PC O Spindle motor ON output L:ON H:OFF (default )4 PWM O multi-purpose PWM output It's possible to setup the TOSF25 TBAL O Tracking balance adjust output (PWM output)6 FBAL O Focus balance adjust output (PWM output)7 NRFDET I RF detection signal input L:detected 8 OFT I Off-track signal input H:detected9 BDO I Drop out signal input H:detected10 LDON O Laser on signal output H:ON When command FO on,LDON is H11 DSLB O DSL balance output12 DVDD1 - Power supply for digital circuit13 DVSS1 - Ground lines for digital circuit14 AVSS2 - Ground lines for analog circuit For DSL,PLL and AD15 DSLF I/O Loop filter terminal for DSL The bias of ARF output terminal in one16 ARF I RF signal input17 RFSW I When DSL circuit,constant switch terminal18 PLLF I/O Loop filter terminal for PLL19 PLLF2 I/O Loop filter characteristic switching terminal for PLL20 IREF I Standard voltage input terminal21 RFENV I RF envelope signal input Analog input22 TRCRS I Track cross signal input Analog input23 TE I Tracking error signal input Analog input24 FE I Focusing error signal input Analog input25 AVDD2 - Power supply for analog circuit For DSL,PLL and AD26 AVSS1 - Ground lines for analog circuit For audio output (Lch and Rch in one)27 OUTR O Rch audio output28 AVDD1 - Power supply for analog circuit For audio output (Lch and Rch in one)29 OUTL O Lch audio output30 DVSS3 - Ground lines for digital circuit31 CSEL I Oscillation frequency specification terminal H:33.8488MHz L:16.9344MHz32 NC O Not used33 ASEL I Audio output polarity switching terminal L:Reverse H:Non reverse34 MSEL0 I Destination type selection port (set 2bit) Order "MSEL 0" and "MSEL 1" Set up35 MSEL1 I Destination type selection port (set 2bit) Order "MSEL 0" and "MSEL 1" Set up36 ICRST O Reset control terminal for external DAC37 BCLK O Bit clock output for serial data38 LRCK O L/R identification signal output39 SRDATA O Sirial data output40 VREFP I A/D converter standard power supply input41 HOT I Temperature protection detection terminal (AD input) Over C5(h):on42 8EJE_SW I 8cm disc eject stop detection terminal H:Stop43 12EJE/SDET_SW I Judge the 8cm or 12cm disc 12cm disc stop detection terminal44 LOE/LIM_SW I Pick-up inside detected Loading end detection terminal45 PCK O PLL extracted clock output,etc46 EFM O EFM signal output,etc47 SENSE O Optics servo status signal output,etc48 CLVS O Spindle servo phase synchronous signal output,etc L:Normal operation H:Luff servo49 DEMPH O Dephase detection signal output,etc H:on50 DVDD2 - Power supply for digital circuit51 X1 I Main clock input terminal

KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023MICROCOMPUTER'S TERMINAL DESCRIPTION

7

Pin No. Name I/O Description Processing Operation52 X2 O Main clock output terminal53 DVSS2 - Ground lines for digital circuit54 XSUB1 I When external DAC,external clock input terminal55 XSUB2 O56 TEST1 I Test port 1 Normal operation is H fixed 57 TEST2 I Test port 2 Normal operation is H fixed 58 NC O Not used59 VER/HOR O Put length or breadth switching motor terminal H:Put length L:Put breadth60 DRV_MUTE O Driver mute control terminal L:MUTE ON H:MUTE OFF61 /MUTE_L O Audio Lch MUTE output L:MUTE62 /MUTE_R O Audio Rch MUTE output L:MUTE63 /RST I LSI reset input terminal H:Normal L:Reset64 OCD_CLK I When OCD connected, clock input65 /MSTOP I Standby detection terminal H:Normal L:Mecha stop66 DATA I/O I2C bus data line (communication line with system computer) At that time serial writer connected67 SBIO I When connected to serial writer,data input terminal68 /CLK I/O I2C bus clock line (communication line with system computer) At that time serial writer connected69 TX O Digital audio interface signal output70 EQCNT O RF EQ switching terminal L:x2 times H:x1 times71 XSEL I During the external DAC connection MCLK external input (H:input)72 MCNT I CD mecha Loading/Eject control ON/OFF L:OFF (HOST control) H:mechanism control73 P-ON O Audio and servo origin power control terminal L:power on H:power off74 MOTOR O Loading/Eject control switching terminal At that time LO/EJ is "H"75 LO/EJ O Loading/Eject control terminal or output L When 72pin (P82) is "L",output "L"76 CD-RW O CD-RW control terminal H:CD-RW L:normal77 LDCNT O LD control terminal Operation is same LDON as timing78 DVDD3 - Power supply for digital circuit79 FOD O Focus driver output (PWM output)80 TRD O Tracking driver output (PWM output)

TYPE2 TYPE1 TYPE0 MODEL NAMEL L L KDC-2024SA/SYA, 2024SG/SYG

uPD780058GC499L L H KDC-2022, 2022V,202MRL H L RY-391CD, RX-491CDL H H KDC-4023, 2023, 3023L L H KDC-122, 122S

uPD780058GC501 L H H KDC-1023, 1023SH L H KDC-222, 222SL L L KDC-3024G/YG, 307G/YG

uPD780058GC502L H H KDC-3023RH L L KDC-3024A/YA, 307A/YAH L H KDC-4024/Y/V/YV

uPD780058GC503 L L L KDC-2094YA/YGH: R135 R137 R139L: R136 R138 R140

System mi-com Destination type list

A B C D E

1

2

3

4

5

6

7

10K

4.7K 22K22

K

2.50

V

4.90

V

2.50

V

0V 4.80

V

2.40V

0V

4.80V

4.80V

0V

4.80V

4.80V3.0pp

5.0pp

0V4.80V

4.80V

4.80V

4.90

V 0V

4.90

V

0-4.

9V 0V

0-4.

9V 0V 0V 0V

0.15

V

4.80V

4.90V

0V

7.80V

0V

0V

3.84V

0V

3.84V

7.80V

0V

4.90V

4.90V

4.90V

4.90V

4.90V

4.90V

4.90V

4.90V

0V

0-4.9V

IC2

CD PLAYER UNIT (X32-5380-00)

S2

∗ S4

S1

CN2

Q4

D2

Q3

Q2

LchRch

A.GNDA+5V

BU+5V

D.GND

A.GND

12EJE SW

LOS SW

8EJE SW

SWITICHDOWN&LIMIT

S3

to M

AIN

UN

IT

A.8VSW

D.5VSW

BULT-IN MI-COMCD SIGNAL PROCESS

A.+8V

10K

S.GND 2

LOE/LIM SW 1

S.7.5V

MOTOR

LO/EJ

A.GND

5

3

4

Rch

Lch

6

7

8

BU+5V 15

A.+8V

MSTOP

MRST

MUTE L

MUTE R

D.GND

9

10

11

12

13

14

8EJE SW

DATA

LOS SW

12EJE SW

18

NC 16

17

CLK 19

20

21

100x4CP2

100x2CP1

D.OUT 22

R72

200

100

C756800P

R87

330

C692200P

R85

R44

330

C712200P

R81

6800PC76

100

R88

2200PC70

330

R86

C722200P

330

R82

1K

DEMPH/TRCRSO/TEXTCRC

SENSE/RESY/FLAG/STOUT

EFM/NFLOCK/CLDCK/STCK

PCK/NTLOCK/FCLK/STLD

DAT

A

MS

EL1

MS

TOP

OC

D C

LK

RS

T

IFZ

R

IFZ

L

100Kx4

R43

CP5

61 6362 6564 66

R100 C100

16.934MHzX1

1000P10

R424.7K

49

DRV MUTE

VER/HOR

TEST2

TEST1

XSUB2

XSUB1

DVSS2

DVDD3

NC

60

59

58

57

56

52

55

54

53

X2

51

50

X1

CLVS/VDET/CRC

LOE/LIM(SW4)

12EJE/SDET(SW3)

8EJE(SW2)

HOT

48

47

46

45

44

43

42

41

LRC

K

SR

DAT

A

VR

EF

P40 3839

ICR

ST

BC

LK3637 35

MO

TOR

P-O

N

MC

NT

XS

EL

EQ

CN

T

CLK

SB

IO

SBIO

73706867

TX

69 71 72 74 75

C36 2.2

2831N

C

AS

EL

MS

EL0

3334 32

OU

TL

DV

SS

3

CS

EL

30 29

AV

DD

2

AV

SS

1

OU

TR

AV

DD

127 2526

C10

110

00P

1000

PC

102

C34 0.1

100K

R93

C330.1

C32 0.1

4

L

R

5

65

63

62

61

66

68

2927

LR

2729

61 62

63 66 68650.1

C470.1

C46

Q3,4

DTC114YUADTC143TUAUN51112SA1036K2SA13622SA1576A

2SC4081

DTA114EUADTA124EUADTC124EU

DAN202U

DA204UDTA114YUA

MA142WKUN5212

3SK126 BR24C01AF-W

F G H I J

1

2

3

4

5

6

7

0.17

V

3.81

V

4.90

V

2.47

V

1.44

V

3.38

V

2.50

V

4.16

V

0V3.94

V

0V0V0V

3.06

V

2.50

V

2.50

V

2.50V

2.50

V

2.50

V

2.69

V

2.69

V

2.69

V

0.95pp

0.91pp2.50V

2.35

V2.35V

2.40

V

2.35

V

2.35

V

2.45

V

4.90

V 0V

7.80

V

3.50

V

3.90

V

3.84

V

3.84

V3.

81V

3.81

V

3.60

V

3.60

V

7.80

V

0V0V

0V2.35

V

2.35

V

2.35

V

2.35

V

2.35

V

7.80

V

2.35V

4.80V

4.80V

2.45V

0V

0.87pp

1.25V

1.70V

0V

0-4.8V

0V

2.40V

4.90

V

2.50

V

0V 4.80

V

2.40

V

2.40V

2.40

V

2.45

V

0V 0V

0.15

V 0V

4.80

V

2.40V

2.40V

4.80V

2.50V

2.00V

0V

0V

0.17V

2.69V

2.69V

2.69V

2.69V

2.50V

2.50V

3.84V

3.81V

3.81V

3.84V

IC3

C2

IC1

DTA143XUA:Q4

D1

D3D2

Q6Q5

DA204UMA8051-LDAN202U

2SA1576A2SC4081

:

::

::

Q3Q2Q1

IC3IC2IC1

DTC124EUA or

MN6627771KP

2SA1362(Y)MCH6101

BA5824FP

AN22002AA

:::

:::

Q6 Q5

D3

D1

CN1

Q1

M

M

LOADING & SLEDMOTOR

SPINDLEMOTOR

DM2 (X92- )

DM1 (X92- )

S.GND

S.7.5V

SPDL

FCS

TRK SLED

D.GND

D.5V

Vref

GND LINESIGNAL LINE

B LINEto

PIC

KU

P

APC

VREFBUFFER

4CH BTLDRIVER

-COML PROCESSOR

RF AMPLIFIERADAPTED FOR CD-RW

UN5212

1K

924

CN

T

LDIN

OU

TS

L

INS

L-

INS

L+

OU

T3

IN3-

PR

EV

CC

IN2-

BIA

S1 2 6

IN1-

IN1+

OU

T2

43 5

MU

TE

PR

EG

ND

OU

T1

7 8

C491500P

C380.01

R48

10K18K 10K

R34R33

2.2KR47

C511500P R

71

13K

2728 26 25

C370.01

R5110KR

503.

9K

R31

27K

10KR32

VO

3+

VO

3-

VO

4+

VO

4-

PO

W V

CC

2

PO

W G

ND

2

VO

2-

VC

C1

GN

D1

1110 12

VO

1+

VO

1-

1413

VO

2+

2223 21 1920 18 17

VR

EF

GN

D

R4510K

R43

TR

D

FO

D

DV

DD

2

LDC

NT

CD

-RW

LO/E

J

MO

TOR

P-O

N

MC

NT

XS

EL

7371 72 74 7675 7877 79 80

TR

CR

S

28

AV

DD

2

AV

SS

1

OU

TR

AV

DD

127 2526

TE

FE

2324 22

12

FBAL

TVD

SPL

PC

PWM

TBAL

1

2

3

4

5

NRFDET

OFT

BDO

LDON

DSLB

DVDD1

9

6

7

8

10

11

PLLF2

DVSS1

AVSS2

DSLF

ARF

RFSW

PLLF

13

14

15

16

17

18

IREF

RF

EN

V21

19

20

C486800P

C50

6800P

1000P

R38220K

C31 0.1

C400.015

C41

C39

0.01

39KR35

R534.7K

10K

R36

C10

0.03

3

R9

3.9K

4700PC14

C15

2200

P

B/TE

17

R4147K

C31

16

FCS-

TRK-

TRK+

FCS+

GND

C+D

GND

VCC

TB

AL

FB

AL

GC

TL

FE

OU

T

FE

N

TE

N

TE

OU

T

TE

BP

F

VD

ET

C52 0.1

R524.7K

B

GC

TL

6.2K

R37

24

VDET

C13270P

R827K

1918 20 2221 23

C16330P

R1133K

2725 26

FE28

D3029 32

C31

A

R154.7K

IOP-IOP+ R410

R191

12

16

15

14

13

A9

11

10

F

B

8

7

6

E

PD

5

4

3

VR

LD

2

1

VC

C6

39P

VC

C

9

CO

FT

R

OF

TR

NR

FD

ET

1415 13

3TO

UT

CB

DO

BD

O

1112 10 6C

AG

C

AR

F

CE

A8 7

RF

N

RF

OU

T

RF

IN

5 34

C12

3300

P

C11

6800

P

PDLD

12

C70.1 3.3K

R6RF

R5

3.3K

C1

10u6

.3

R14

100K

C22.2

17

18

12

11

SPDL-

SPDL+

X32-5380-00X32-5380-01

S4

YESNO

27

A/T

E

TR

CR

S

FE

C45 0.1

C44 1000P

C43 2200P

R39 100K

820R40

0.047C42

RFENV

BD

O

OF

T

NR

FD

ET

9

7

8

4.7Kx4CP4

1.8Kx4

CP3

16

TRK OUT

TRK IN

13

14

FCS UP

FCS DOWN

15

16SLED IN/EJECT

/LOADSLED OUT

11 121718

5 4

180

1

2

79 80

27K

R46

39K

R49

87 9

R7 3.6K

2PC5

ARF

1C847

00P

C9

R13

240K

C18

0.1

C17

0.1

R3

5.6K

R2

5.6K

6

5

4

FE B CD

A6 5

100KR10

F

A

B

E

CD

23 2224

242322

4

79

2

13

15

14

16

2.2C61

Q5,6

IC1

15

2930

R12

910K

PO

W

PO

W

+

CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be

carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individualinstruments or/and units.

!

K L M N O

1

2

3

4

5

6

7

22K22

K

4.7K

4.7K

5.0V

0V

5.0V

0V

0V

0V

2.4V

2.4V

0V5.0V

5.0V0V

5.0V0V

8.0V

0V

3.8V

3.2V

8.0V

0.7V

0V

0V

3.4V0V

2.4V0.8V

2.5V

2.5V

8.0V0V

2.5V 0V

3.2V

8.0V

4.2VAMPW-ON

0V2.8V

FM0V2.0V

3.4V 4.8V

60mV

0V

5.0V 2.0V3.2V

PW-ON

AM

AM

AM

3.2V

3.4V0V

0V

4.1V

2.4V0V

2.0V3.3V

FMAM

0V

AMFM

4.2V

FMAM

0V3.3V

0V

AM

2.0VFM0V

AMFM

4.0V

8.0V

8.0V

8.0V

0V 3.5V

8.0V 4.2V

4.2V

8.0V

7.3V0V

7.3V

7.4V

0V 4.9V

14.4

V

0V 7.2V

DECODERRDS

∗ CN3

BUFFER

Q503

MPXBUFFER

Q201

NOISE ∗ EE-VOL.TUNER &

∗ Q40

D503

∗ D506

∗ D504

∗ C

J1

D3

D40

5

D40

7

D40

3

D41

0

∗ D505

AMPLIFIRE

Q502

FM RF

AMPLIFIRED501

AM RFQ501

D40

9

D411

D40

8

D40

2

D40

1

DRIVERMUTE

D26

5

D26

8

D26

4

J4

J4 TOP VIEW ∗ D REAR

D40

4

Q224Q223

MUTE

J5

C54

5

6800

P

∗ C537 8

R351 2.2K

R352 2.2K

C35

4

10u6.3

∗ C558

0.01

∗ C55

7

0.01

C35

310

u6.3

1

14

C351

15

2

∗ R17

3

C35

2

330P

1K

5.6K

C55

1

0.01C54

8 0.

022

12

W530

EXTRES

7

FILOUT

ARI8

GND

0.01

6

9FSEL

TM

VCC

10

11C550

0.033

2200

P

C54

9

L515

4.7u

H

51 77

16RDDA

OSCIN

OSCOUT

RDCL

3

OSEL

MPX

VREF

5

4

10P

X2

4.332MHz

13 C355

10P

T5714

15C356

2.2K

QUAL2

1

R353

62

C60

010

0u10

C55

510

00P

W53

4

0.01

L517

4.7uH

C546

R542 4.7K

∗ W403∗ W402

R205 4.7K

1K

R5411K

2.2K20

R204 W51213

61

57

W53

120

17

18

R547 22

14

15

W523

10

11

12

8

∗ C538

262524232221

C54

710

u10

R54

6

L514

4.7u

H33K

R5454.3K

LFOUT

OSCVCC20

19

PLL

VC

C

PLL

GN

D

LFIN

LFR

EF

LFH

C

323130292827

C55

4 0.

1C552

C593

0.0110.250MHz

∗ C55

3

1

X501

DE

VT

C

TU

NQ

UA

LIT

Y

DIG

VC

C

DIG

GN

D

XTA

LD

XTA

LG

ISS

TC

FMAGCVOUT

16

VCOB

VCOE

OSCGND

18

17

FMANTADJ

FMRFADJ15

14

FMMIX1IN2

FMAGC1OUT

FMAGCIN13

12

11

FMMIX1IN1

RFGND10

9

753

14

∗ C526

10P

R501 6.8K

∗ L507

∗ L505

R543

W507

W505

11

R52

2

∗ C52

3

∗ C521

∗ C52

4

∗ R52

1

∗ W40

0

C52

5

0.01

∗ C522

GND

100K

L4

C51

6

L501

6.8uH

45

C53

4

0.01

C58

3 0.

1

L511

4.7u

H

4.7uH

10.7

00M

Hz

W51

1

W508

∗ W40

1

∗ C52

8

R52

4

100K

C54

368

P

R544

C542

22P18

∗ C54

1

17

C54

415

P

6P

W50

0

100K

R52

7

W50

4

W41

5

R52

5

330

C533

0.01

C513 0.01

C515 1

7

6

3C514 0.01

R528

100K15 C512

4.7u16

W533100K

C53

11

C5352P

∗ C530 R52

310

0K

∗ C53

6

∗ L506

10

∗ W524

330

∗ R52913

∗ R52612

8 L5104.7uH

C5110.01

AM

MIX

2OU

T

AM

MIX

2IN

2

FM

AM

P2O

UT

FM

IFA

MP

2IN

FM

IFA

MP

RE

F

FM

IFA

MP

1OU

T

FM

IFA

MP

1IN

FM

NA

GC

IN

3

5

ANAGC1VOUT

ANAGC1OUT

ANAGC1TC

7

6

AMMIX1IN-

AMMIX1IN+4

TUNGND

VREF5V2

1

70∗ C

F53

0.1

C58

2

IF1G

ND

MIX

1OU

T2

MIX

1OU

T1

IFV

CC

7980 767778

TU

NV

CC

737475 7172

∗ C58

1

L508

R58

1

C5800.01

1K

∗ CF

52

L509

AM

MIX

2IN

16869 67

10.7

00M

Hz

C59133u10

∗ C5292P

33u10

W52

1

C50

60.

1

C507

L503

1mH

R50

5

C50

54.

7u16

C50

3

0.1

C50

215

00P

R502

2.2K

R50

6

1M

C50

822

u10

R503

2.2K

7

L512

4.7uHW601L5131K

6

R507 1K

C51

0

68P

100P

C50

9

C504

33uH

L502 0.01

46 44

L504

100uH3

2

1

4.7K

10.7

00M

Hz

CF

51 0.01

C585

12 RL

RR

FL

FR

W50

9

GN

D

OU

T

IN

321

450kHzCF54

∗ R253

∗ W408

∗ R252

∗ W407

C2530.22u50

∗ W161C252

0.22u50 4.7K

RR

-

FR

-

RR

+

DATA H

10DATA C

11

2

3

4R

403

4.7

R40

6 4.

7K

R40

5 4.

7K

R40

4 10

019 125 C40

310

0u10

A G

NDCH

CO

N

MU

TER

EQ

H

BU

D GND

9

13

REQ C

CLK

R41

1 10

0

R40

1 10

R41

0 10

0

R40

9 4.

7K

R40

8 4.

7K

R40

2 10

R40

7 4.

7K8C40

21u

50

1716 C40

11u

50

18 63

DAT

A H

DAT

A C Lc

h

RS

T

Rch

128

RE

Q C

CLK

5

4

3

117

13

10

9

6

51

6A GND

12 8

57RST MUTE

34

REQ H1

2

∗ W16

0

∗ C25

6

C22

410

u16

C22

310

u16

W15

6

R22

4

R22

327

0

W51

6

270

108642

OU

T2-

TAB

1

OU

T1-

OU

T2+

ST

BY

PG

ND

2

SV

R

PG

ND

1

VC

C1

∗ R2

6

R23

2

R23

110

0

R22730K

R22830K

100

∗ C227680P

∗ C228680P

C25

51u

50

41

BUPRchLch CHCON D GND

+

+

+

+

+

+

+

+ +

++ +

+ +

+

+

IC6

IC10

(X25-9600-xx/9612-7x)

∗ IC4

∗ WH1

P Q R S T

10K

47K

0V

3.9V

3.4V

3.2V

8.0V

8.0V

0V

3.0V

3.9V

3.9V

3.9V

4.8V

0V

2.2-4.5V3.0V

3.0V

3.0V

3.0V

3.0V

3.0V

5.0V0V

0.6-4.1V

3.0V

3.0V

3.0V

3.0V

3.0V

3.9V

5.0V

0V0V

0V

5.0V

0V5.0V

5.0V0V

0V5.0V 0V

5.0V

0-4.0V

0V5.0V

5.0V

5.0V0V

0V5.0V

5.0V0V

5.0V

0V5.0V

0V or 5.0V

TUNERCHANGE

AMFM

PW-ONAM

0V

FM 2.6V0V

AM

VAMFM

5.0V

0V3.7V

FM

1.4V1.2V0V

8.0V

0V

7.3V

7.4V 0V

7.2V

7.2V

7.3V

7.3V

7.2V

14.4

V

0V 7.2V

7.2V

7.2V

5.0V

0V

3.0V1.9V

5V0V

4.0VFM0V

0V5V

0V

4.2V2.4V

0V5V

4.4V

0V

5.0V 0V

5.0V 0V

0V

5.0V0V

5.0V

5.0V0V

0V

0V

5.0V

5.0V0V

5.0V0V

5.0V

0V or 5.0V

0V

or 0V5.0V0V

0V5.0V

0V5.0V

0V5.0V

0

5.0V

0V or 5.0V0V5.0V

5

7.4V

7.4V

0V 0V

0V

5.0V 0V

3.4V

or

14.4

V

7.3V

0V 4.1V

0V

5.0V 0V

5.0V 0V

0V

0V5V

5V0V

5.0V

0V

0V

E-VOL.TUNER &

D20

1D

202

CONTROLu-COM

SYSTEM

D26

3

D26

5

D26

8

D26

4

D26

2

D26

6

∗ Q251

D40

D10

1

RESET

POWER

SMETERRC &MPTHTC SW ∗ Q253

ON

∗

D

∗ Q252

AMPLIFIREPOWER

D26

7

D26

1 ∗ F

LOGICMUTE

D25

3

D25

1

D252

E2P-ROM

D20 Q70

DETECTORA. C. C

Q20

DETECTORB. U.

Q10D30

D70

MUTETEL

DETECTORSURGE

D10

J2

∗ A

TUNER-TYPEFMMUTETC

39

L516

4.7u

H

L515

4.7u

H

100P

C560

38373635343332313029

C55

4 0.

1552

593

.01

∗ C55

3

1

C56210u10C

561

1u50

RR

RL

FR

C5561000P

DE

VT

C

TU

NQ

UA

LIT

Y

DIG

VC

C

ISS

TC

OU

TF

R

OU

TR

L

OU

TR

R

AP

VC

C

AP

GN

D

VR

EF

3V

SC

L

SD

A

18 191716

131211 ∗ R41

3 10

0K

25

4.194MHz

2.2K45

40F

L

W501

AC

RIN

OU

TF

L

ACROUT

ACLIN

ACLOUT

IN2L

IN2COM

42

41

45

4443

44 ∗ W57877

IN2R

IN1R

IN1COM

C204

4646

4747

2.2u50

C56547u1048

TUNERIN

IN1L

TUNEROUT

4949

C2052.2u50

R56

1

C5640.4750

51

∗ C5682.7K

R133 12K

∗ R134

∗ C106

R1322.2K

51 C10515P

X1

TYPE RE77

∗ R10

2

1 2

4321

R10

4

R10

3

1K

R10

6 10

0K

1K

5 6

1K

98765 1110

N.C

AVCONT80

AV

SS

N.C

8EJE

SW

PAN

EL

PHONE

NOISE

79

78

N.C

AV

RE

F1

L-C

E

L-R

ST

L-D

ATA

L

AC

L

AD

A

17

R10

7 2.

2K

R12

1 2.

2K

R10

5 47

0

14 15

141312 1615 201918

CH

-DAT

AC

L-C

LK

L-D

ATA

S

R-Q

UA

L

R-D

ATA

CH

-RE

QH

CH

-DAT

AH N.

N.C

CH

-CLK

AF

N.

N.

CH-CO

VDD0

S-METER

AVREF076

75

IC

XT1

XT2

74

73

72

X171

70

S

N.

TYPE

TYPE

TYPE

1917151311975

FM

DE

MR

EF

FM

DE

M A

MIF

2AM

P R

EF

AM

IF2A

MP

IN

AM

AG

C2T

C

AM

MIX

2OU

T

C58

410

u10

509

67

DE

MG

ND

SM

ET

ER

C

646566 616263

GN

D

OU

T

IN

321

450kHzCF54

C58

8

0.47

C58

6

∗ C58

7

W51

0

0.1

FR

-

RR

+

FR

+

FL-

FL+

∗ C25

6

0.22

u50

0.22

u50

14121086

OU

T1-

OU

T2+

SV

R

PG

ND

1

VC

C1

SG

ND

IN1

OU

T1+

OU

T3-

OU

T3+

IN3

IN4

IN2

∗ R25

6

∗ W40

6

∗ W40

5

∗ R25

4

1K 4.7K

∗ R25

14.

7K

W16

2C

254

C25

1

40

∗ R32

47K

252321

R12

610

0K 59 5758 56 55 54 50 41C10

3 0.

1

∗ C58

9

58

1K54

SDA

SCL

C5630.47u50

R565 100K

52

R5661K53

SCL

SDA

SD

SMETER

QUALITY

AUDIOMUTE

R567

W5175555

W51956

57

C104

15P

R131

6.8K

R130 2.2K66

57

∗ R414 100K

R129 2.2K64

61

63

62

RDSMUTE

MPTHTC59

60

59

Q252,253

0.1V

OU

T

R12

82.

2M

61

R1272.2K

VS

S

60

NC

43V

DD

12

R1231K

KEY-REQ

68

X2

VDD169

Vss0

CD-SW267

66

CD-SW165

64

CH-REQC

R-CLK63

62

Vss

TUNER-TYPE

DATA

MUT

CL

5058

M-M

UT

E

RE

SE

TREMO

61

5960

CD

-SW

3

MO

SW

LO/E

J

M-S

TOP

M-R

ST

555657

DS

I

N.C

N.C

51525354

CP31Kx2

R12

5 1K

R12

2 10

0 2.2Kx2CP2

43A

CC

-DE

T

PS

1-0

PS

1-2

PS

2-0

47

PS

2-1

BE

EP

4849

PS

1-1

444546

P-S

TB

Y

SW

5V

B.U

-DE

T

N.

P-MUT

4142

SV

R69

10K

R68

10K

∗ R67

10K

CP110Kx2

R26

4 47

K

R25

5 33

K

0.01

∗ C590

0.1

∗ C592

100u

6.3

C10

20.

01

C10

1

12

RL-

RL+

∗ C40

40.

01

8

1

R41

5

100K

21 543

VC

C

L101

4.7uH

C40

0.0

1

GN

D

6 7

100K 100K

R23 R12

W532

R56

3

ACL

∗ R26

075

0

∗ W40

9

2

2422201816A

CG

ND

OU

T4-

OU

T4+

HS

DP

GN

D3

VC

C2

PG

ND

4

MU

TE

C25

81u

50

∗ R258

R20

1 47

K

1314 10 91112

4

3

5SDA

R56

410

K

SCL6

GND

A2

A1

ADA

∗ R26

3

∗ R26

1

C25

71u

50

50 39

470TH1

R25

7

6.2K

W158 1

35

WP

VCC7

8

A0R71

8

SDA

10K

SCL

C21

0.01

R22

10K

R11

10K C30

∗ R3122K

0.01

R72

36K

R73

100K

82K

R30

10K

3.3K

1/2W

R21

33K

R20

RE

AR

Rh

FR

ON

T R

ch-

RE

AR

Lch

-

RE

AR

Lch

+

FR

ON

T L

ch+

FR

ON

T L

ch-

R1030K

FL-

RL+

FL+ RL-

FR

-

51 3

42 6

+

+

+

+

+

+

+

+

+

+

+

+

IC10

IC8

IC11

∗ IC1

IC12

U V W X Y

1

2

3

4

5

6

7

47K

10K

0VV

V

V or 5.0V

5.0V0V

5.0V

5.0V

0V or 5.0V

0V

0V5.0V

0V

0V5.0V

5.0V

0V

5.0V0V

10.3V

5.0V

1

VDD34

1

7

35

VDD

5.0V

14.3V

8.1V

7.9V

14.0V

8.1V

14.0V

0V

∗ D10

8

P1

X16-

∗ D10

9

∗ D10

6 J1

2/2

PANEL5VSW

∗ D110

∗ Q102

D103

∗ J3

S2V20∗ A orQ55D51

∗ B

D102

Q50

5VSW

MECHA

DRIVERDSI

Q101

to

D504-506D501,503

407-410D106,108,109,403-405,

D40,101,251-253

D10,20,70,201,202,401,

D110

∗ Q53

CN1

D411

D50

D1

D103D51D50

D12,14D11,13

402

D3

D1

HZS12A2:MA3062WA

∗:RN739F:

:

MA4082(N)-L

MA4062-L:

DA204U::

DAN202U:1SS133:

MA4068(N)-M

AM01Z:D1F60:

:

IMSA-68011N5393G-M6

:

:

Q51

0

MUTETEL

Q223,224

Q10,20,70,101,201,503

∗ D12

AVRSERVO

CONTROLAVRSERVO

Q102

Q253

Q502Q501

Q252Q251

∗ D11

Q55Q51,53Q50Q40

∗ D14

∗ D13

(MULTI AVR)

IC11IC12

IC10IC8IC7

SUPPLYPOWER

IC1IC4IC6

DTA114YUA:

UMA1N

3SK126:CPH5905:

:

DTC114YUADTC143TUA

UMG4N:::

2SA1036K

2SD2375:UMC2N:

:DTA124EUA:2SC4081:

PST3435UL:

S-24CS02AFJ-TBM24C01-WMN6T orBR24C01AF-W or:

HD74HC27FPBA4911-V4

TDA7513:::

TDA7479AD

∗∗

:::

GND LINESIGNAL LINE

B LINE

(X25-96XX-XX)

EA DB C F

∗ A

TUNER-TYPE1

∗ R412 100K

R110 4.7K

19

25

TYPE REF

2019C

H-R

EQ

H N.C

N.C AFS

N.C21

22

N.C

CH-CON

23

24

25

28

SD

N.C

26

27

TYPE229

TYPE0

TYPE130

31

ESD-G15

59

R58470

R164 470

∗ R170 1K

∗ R171 47

R172 1K1

61

12

SW5V

PANEL14

13

REMO

L-DATAS

12

11

R166 1K

R165 4706

13 L-CLK

L-CE

10

9

∗ W404

∗ R136 47K

55

∗ R138 47K

∗ R135 47K

∗ R140 47K

∗ R137 47K

∗ R139 47K

R113 47K2W

C14

2

0.1

R169 1K

∗ R168 1K

R167 100

60

11

5

RST6

L-DATAL

L-RES

8

7

LED+B

LAMP+B

5

4

R163 10

ILL-GND

PAN5V

D-GND

3

2

1

R57

1.5KR

32

47K 27uH

3300

u16

41

Vss132

33

TUNER-TYPE034

DATA

MUTE35

CLK

36

37

P-S

TB

Y

39

N.C

P-MUTE

38

41

SVR40

R26

4 47

K

R25

5 33

K

W532

SERBOGND21R101

D GND9R117

R114 47K

∗ R111 0.1

∗ R112 0.1

2W

36

35

R116 10K1K

R119 47K

37R118 10K1K

R115

37 MSCLK4

R143 4.7K

R141 4.7K

66

64

SW22

D OUT1

SW13

W165

4.7K

∗ R14

2

2

36 MSDA

MECHDET

5

6

BU 5V

N.C7

8

39

47KR174R108

2.2KADJ

40R259 22K

240

49 Lch15

R144 100K58

59

57

M RST12

M MUTE

N.C

10

11

M STOP

AUDIO+B

13

14

56

47

55

LO/EJ18

GND

Rch

16

17

MO SW

SERBO+B

19

20

SW2

C5610u50

R145

2.2K54 SW322

12ILLUM

10u2

5

R51

47K

R50

5.6K

C6322u16

C55

220u16 9

11

10SW1

VBU

C57

C1

C58

100u

16

BU5V8

RE

AR

Rch

+

0

∗ R3122K

1

RE

AR

Rch

-

FR

ON

T R

ch+

FR

ON

T R

ch-

RE

AR

Lch

-

RE

AR

Lch

+

FR

ON

T L

ch-

FL-

RL+

FL+

FR

+

RL-

FR

-

RR

-

751 3

42 86

10u2

5

∗ W41

0

C5410u16

C5310u16

C5210u16

∗ R25

4.7K

AM+B

L2VCC

7

AUDIO+B6

∗ C51

FM+B

5

P-ANT4

3

4.7K

RR

+

∗ R28

140u

HL1 GND

FUSE13 15119

AC

C

P-C

ON

P-A

NT

GN

D

1210 14 16

B.U

.

C50

10u2

5

P-CON2

GND1

NOYESNONONOYES5.6K430100YES 180KYES00-12 YES

YES

YES

NO

12-74 NO

12-75 NO

00-22 NO

180KNO 430100 5.6K NO NONO

4.3K

180KNO 430100

YES 10220

5.6K NO NONO

5.6K NO YESNO

YESYES NO

YESYES NO

YESNO NO

E58-0879-05

E58-0879-05

E58-0879-05

E58-0879-05

171,412-414R67,137,170,

W405-

521 32,140253 136Q53102L507 Q251L506

L31-0970-05

L31-0971-05

L31-0970-05

L31-0970-05

254,256,260R138,251-

No.UNIT

R135

12-74

00-22

12-75

No.

00-12

YES

R263R258R139 R261

YESL32-0934-05 NO

W160,161R526 409404

W400-

NO YES YES YES

NO

YES

YES

YESL32-0933-05 YES

YESL32-0933-05 NO

YESL32-0933-05 NO

YES NONO YES

NO YES YES YES

NONO YES NO

YES

YES

YES

D13,14,106,110

YES

12-74

UNIT

YES

12-75 YES

NO00-12

00-22 YES

UNITNo.

D11,12

UPD780058GC503

UPD780058GC499

Q40,

NO NO KV1735S

NONO KV1720S

Q252, R25,

TDA7386

R28, R31,

TDA7386

UPD780058GC501

UPD780058GC499

KV1720SNO NO

NOYES KV1720S

D108 D109 D504-506

TDA7386

TDA7560

IC1 IC4

142,168,173,529

W524578W410, WH1

NO NO

NOYES

NO NO

NO NO

L31-0968-05

R102,111,112,134,

L31-0967-05

L31-0967-05

L31-0967-05

L505J3

268 4

100u50

33u50

C256

100u50

100u50YESNO 1000PYES12-74 NO NO

C528,

12-74 NO YES

12-75 5P YES

No.

00-12

00-22

5P YES

5P YES

KDC-2094YG (E)

UNITC526 589

8P

10PNO 8P 2P

NO 4P 4P

0.0471P 820P 2P

0.0474P 820P 2P

C537,

8P

538

8P

558,590,592

NO

NO

4P 4P

4P 4P

C530C529,557,

C536

0.01

0.01

4P

4P

820P 2P

820P 2P

C553C541 C568 C581

KDC-222S (K)

KDC-2024SG (E)KDC-2024SYA (E)KDC-2024SYG (E)KDC-2094YA (E)

KDC-2023 (M)

KDC-2024SA (E)KDC-3023 (M)

KDC-222 (K)NAME

MODEL

NO

YES

12-75 NO YES

00-22 NO YES

1000PNO YES

1500PYES NO

NO

UNIT

00-12 NO

No.

YES

C106

1500P

C51,404

NO

C227,228

NO

15P 100P39P0.1

L72-0716-050.01 NO

L72-0716-050.01 NO

L72-0781-05

L72-0781-05

0.01

0.01

NO

NO

CF52,C587 53 CN3

33P0.1 27P 100P

33P0.1 27P 100P

C522C521

33P0.1

C523 C524

27P 100P

GRY/BLKVIOL/BLK

RL-

RR-

RL+

GRN/BLK

GRN10

11

9

WHT/BLK

WHT7

6

8

RR+

TEL MUTE

413

VIOL12

GRY5

14BRN BLU/WHT

3

BLU/WHT

16YEL

15

1BLK

RED2

GN

D

B.U

P

FL-

FR-

FL+

ANT. CON

P. CON

FR+

REAR LWHT/BLKFRONT L GRN/BLK

RR

-

VIOL/BLK

VIOL

YEL

AC

C 57 3

5 37

68 4

FR

-F

L+

RL+

FR

+

RL-

FL-

143

GND

ACC

OUT

161

RED

BLK

152

ANT. CONT

FRONT R

P. CONT

125BLU

BLU/WHT

134

GRY/BLK

GRY

10

11

7

6

1A

P.CON

1

2B

RR

+

BU

REAR R

GRNWHT98

+++

+

+

+

+

++

+

+

KDC-222/222S/2023/3023

A

IC7

(E30-4790)KDC-2024SA/SG/SYA/SYGKDC-2094YA/YG

DC CORD

KDC-222/222S/2023/3023(E30-4784-05)

DC CORD

KDC-2024SA/SG/SYA/SYGKDC-2094YA/YG (1/2)

CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out

(exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instrumentsor/and units.

!

Z AA AB AC AD

1

2

3

4

5

6

7

0V

0V5V

5.0V

0V

5.0V

3.3V

1.7V

5V0V

0V5V

1.7V0V

0V5V

0V

14

S12

S10 S8

S9

15 16

S11

17 18

S14

S13

19 20

S15

21 22

S16

S17

23 24 25 26 27 28 29 30

S27

S19

S37

S39

S40

31 32

S38

33 34

S35

S36

35 36

S18

37 38

S23

S21

S20

39

S22

S25

S24

S26

S29

S28

S30

S31

S32

S33

1 2 643 5 7 8 109 11 1312

14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 391 2 643 5 7 8 109 11 1312

S5

S6

S7

S34

C2

C1

C3

ILL-GND

D-GND

SW5V

LAMP+B

LED+B

L-DATAS

L-CLK

L-CE

L-DATAL

PAN 5V

RST

PANEL-ESD-GND

KI1

KI2

KI4

KI3

C3 0.047

C1

C2 0.047

R8 56K

0.01

R10 4.7

4.7K

79

80

78

77

80

79

77

78

R2 470

R4 470

R5 1K

R3 470

KS

5

S25

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24

S26

S27

S28

S29

S30

S31

S32

S33

S34

S35

S36

S37

S38

S39

S40K

S4

KS

3

KS

2

C3

C2

C1

∗ R20

510R18

510R17

R16510

R14

330R15

330

KI1

KI2

KI3

KI4

KI5

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

KI5

∗ R19

0.01

C9

220R21

220R22

1000P

+B

+B

+5V

+5V

TP35

TP32

TP31

TP30

TP29

TP27

TP28

TP26

TP22

TP21

TP5

TP4

TP3

TP1

TP2

TP9 TP8 TP6TP7

TP15

TP14

TP13

TP12

TP11

C4

R7

1 2O

UT

VC

C

4 3G

ND

2

GN

D1

R12 1K

2.2

∗ R13 47

IC2

+5V

+5V

TP33

TP24

TP34

∗ C5

REMO

∗ C6 0.01

∗ C7 0.01

48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

KS

5

KS

4

KS

3

KS

2

N.C

.

CO

M3

CO

M2

CO

M1

S40

S39

S38

S37

S36

S35

S34

S33

S32

S31

S30

S29

S28

S27

S26

S25

S24

S23

S22

S21

S20

S19

S18

S17

KE

Y

N.C

.

N.C

.

N.C

.

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

S15

S16

KS6

KI1

KI2

KI3

KI4

KI5

TEST

VDD

VDD2

VDD1

VSS

OSC

L-DATAL

L-CE

L-CLK

L-DATAS

SW

N.C

J1

Q1

∗ D18

J3X14-

1/2

KEY DETECTSW

RST

∗ D22

LCD DRIVER

∗ D17

∗ D19

S17

∗ D7∗ D8

∗ D2 ∗ D1∗ D3

∗ D6 ∗ D5 ∗ D4

∗ D20 ∗ D9

∗ D12 ∗ D13

∗ D11

∗ D10

REMOTESENSOR

∗ A

(BO

TTO

M V

IEW

)

10K

10K

ED

1 (S

EG

ME

NT

)SWITCH UNIT (X16-1460-xx/2370-12)

A

ED

1 (C

OM

MO

N)

IC2

IC1

ED

1 (C

OM

MO

N)

ED

1 (S

EG

ME

NT

)

(B38-1080/1081/1126-05) : KDC-4023/202MR/2024SA/2024SG/2024SYA/2024SYG/2094YA/2094YG/2022/2022V/2023/3023/RX-491CD/RY-391CD (B38-107

CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be

carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individualinstruments or/and units.

!

AE AF AG AH AI

1

2

3

4

5

6

7

S14

S29

1 2S

30

963 4 5 7 8 1110 12 1413 15

S27

S28

S17

S20

S18

S22

S23

S26

S25

S24 S21

S19

22191716 18 20 21 2423 25 2726 28

S15

S13

S12

S16

S31

S38

S36

S33

S35

S32

S34

S40

S37

323029 31 33 3534 3736 38 39

1 2 963 4 5 7 8 1110 12 1413 15 22191716 18 20 21 2423 25 2726 28 323029 31 33 3534 3736 38 39

S7

S10

S39

S11 S8

S5

S9

S6

C2

C1

C3

KI1

KI2

KI3

KI4

KI5

KS

2

KS

3

KS

4

KS

5

RX-491CD (J)

MODEL NAME

YES

TP15

TP14

TP13

TP12

TP11

TP16 TP17 TP18

TP19

+B

No.

X16-1460-01

UNIT D1-13,20

(GREEN)B30-1533-05

D17,18

B30-1633-05

D19

YES

C6,7

390

R19,20

B30-1564-05 or

(BLUE)B30-1533-05B30-1533-05

X16-1460-03RY-391CD (J) NO NO (GREEN) B30-1633-05(GREEN) 510

X16-1460-11KDC-4023 (M) YES YES (GREEN)B30-1533-05

B30-1633-05 390

X16-1460-12KDC-202MR (K)B30-1533-05

YES NOB30-1533-05

(GREEN) B30-1633-05(GREEN) 510

X16-1460-13B30-1533-05

NO NOB30-1533-05

(GREEN) B30-1633-05(GREEN) 510KDC-1023S (M)KDC-1023 (M)

KDC-2024SYG (E)KDC-2094YG (E)

KDC-2024SG (E)B30-1533-05

(GREEN)B30-1533-05

(GREEN)NO B30-1633-05 510NOX16-1460-14

B30-1567-05X16-1460-15KDC-2022V (K) 390YESYES (RED) B30-1633-05

X16-1460-16KDC-2094YA (E)KDC-2024SYA (E)KDC-2024SA (E)

510B30-1567-05

(RED)NONO (RED) B30-1633-05B30-1567-05

X16-1460-20KDC-2023 (M) 510NOYES (GREEN) B30-1633-05(GREEN)B30-1533-05 B30-1533-05

X16-1460-21KDC-3023 (M) 510NOYES (RED) B30-1641-05(RED)B30-1567-05 B30-1567-05

X16-2370-10KDC-2022 (K) 390B30-1567-05

YESYES (RED) B30-1633-05(BLUE)B30-1564-05

X16-2370-11KDC-122S (K)KDC-122 (K)

510B30-1567-05

NONO (RED) B30-1633-05(RED)B30-1567-05

X16-2370-12KDC-222S (K)KDC-222 (K)

510B30-1567-05

NONO (RED) B30-1633-05B30-1564-05

(BLUE)

NO

YES

YES

YES

YES

YES

YES

YES

NO

YES

YES

NO

YES

C5 R13

YES

NO

YES

YES

YES

YES

NO

YES

YES

YES

NO

D22

YES

YES

YES

NO

YES

YES

YES

YES

NO

YES

YES

YES

NO

YES

YES

B30-1642-05

B30-1564-05 orB30-1642-05

(BLUE)

(BLUE)B30-1642-05

B30-1564-05 or

: ∗D1-13,20

Q1 : DTA114EUA

IC1 : LC75853NE

VOL+

VOL-

SRC

AUD

TI

CLK

ATT

1

2

4 3

5

6FM

AM

: MA3062WA: ∗

D22D19

S3

S4

S5

S6

S2

S1

S7

S8

S21

S20

S19

S18

S9

S10

S11

S12

S16

S15

S14 S13

S26

S22

S27

S23

S25

S24

B LINEGND LINE

: RS-171IC2 D17,18 : ∗

A

ED1 : ∗

ED

1 (C

OM

MO

N)

ED

1 (S

EG

ME

NT

)

(B38-1079-05) : KDC-1023/1023S/122/122S/222/222S

KDC-2022/V/202MR/4023 (2/2)KDC-122/S/1023/S (2/2)KDC-222/S/2023/3023/2024SA/SG/SYA/SYG/2094YA/YG (2/2)RX-491CD/RY-391CD (2/2)