H
: NOT USED
VCR-IN
VCR-OUT
MONITOROUT
S VIDEO
VIDEOSIGNAL
VIDEO
VCR-IN
VCR-OUT
TV/DBS
DVD/LD
MONITOROUT
TO
INP
UT
(1)
CB
101
P58
D
-8
TO
OP
E (
2)C
B80
7P
60
J-2
VIDEO SELECTOR & AMP
S-VIDEO SELECTOR & AMP
11.6
3.8
3.8
11.6 4.8
0
0
6.3
10.9
4.6
3.9
7.8
11.6
3.8
3.8
11.6 4.8
0
0
6.2
10.9
4.6
4.0
7.7
11.6
3.8
3.8
11.6 3.8 3.
80
4.8 0
6.3
6.3 6.3
6.85.6
7.3
0
0
56
BA C D E F G
1
2
3
4
5
6
RX-V595/R-V905/RX-V595RDS
SCHEMATIC DIAGRAM (INPUT)
57
All voltages are measured with a 10MΩ/V DC electric volt meter. Components having special characteristics are marked and
must be replaced with parts having specifications equal to thoseoriginally installed.
Schematic diagram is subject to change without notice.
Conditions (RX-V595RDS)• INPUT → CD• VOLUME → minimum(–∞)• IMPEDANCE SELECTOR → Upper• PRO LOGIC → On
PIN CONNECTION DIAGRAM OFTRANSISTORS AND IC’s.
LA79562SC1740S(R,S) 2SA1015(Y)2SC1815(Y)
ECB
EC
B
IC301~303 : LA7956Video Switch
58
RX-V595/R-V905/RX-V595RDS
SCHEMATIC DIAGRAM (INPUT)
All voltages are measured with a 10MΩ/V DC electric volt meter. Components having special characteristics are marked and
must be replaced with parts having specifications equal to thoseoriginally installed.
Schematic diagram is subject to change without notice.
Conditions (RX-V595RDS)• INPUT → CD• VOLUME → minimum(–∞)• IMPEDANCE SELECTOR → Upper• PRO LOGIC → On
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.UPC4570HA LB1641 HD74HC153P
TC9299PM5220L1SS133
1SS176HSS104
TC74HCU04APUPC4570C
LC78211LC78212LC78213
Anode
Cathode
NJM2068MDHZS5C2TDHZS11B2TD
2SC2878(A, B)
EC
B
89
10
IC101 : LC78211Analog Function Switch
IC103 : LC78212Analog Function Switch
IC102 : LC78213Analog Function Switch
IC110,111 : TC9299PElectric Controlled Volume
2
3
4
5
6
7
8
15
14
13
12
11
10
9
1 16
L-chDATA
LATCH
R-chDATA
LATCH
LEVELSHIFTER
SHIFT REGISTER (13bit)
STOROBE GENERATOR
LEVELSHIFTER
OUT
IN
NC
A-GND
CS2
STB
DATA
OUT
IN
NC
A-GND
CS1
GND
CK
Vss VDD
R-chL-ch
IC351: TC74HCU04APHex Inverters
2A 3
1Y 2
1A 1
2Y 4
3A 5
3Y 6
Vss 7
14 VDD
11 5A
12 6Y
13 6A
10 5Y
9 4A
8 4Y
IC352 : HD74HC153PDual 4 to Data Selectors
1
2
3
4
30
29
28
27
5
6
7
8
26
25
24
239
10
11
22
21
1916
1214
1815
17 13
20
L1
L2
L3
LCOM1
L4
L5
L6
LCOM2L7
L8
LCOM3
VDD
VssVEE
RES
S
R1
R2
R3
RCOM1
R4
R5
R6
RCOM2R7
R8
RCOM3
D1
CL
CE
LEVEL SHIFTER
LATCH
SHIFT RESISTER
CO
NTR
OL,
IC104 : NJM2068LDIC107~109 : M5220LDual OP-Amp
1
OU
T1
2
–IN
1
3
+IN
1
4
–Vcc
5
+IN
2
6
–IN
2
7
OU
T2
8
+V
cc
+–
+–
IC105, 106, 112, 113 : µPC4570HADual OP-Amp
A OUT
A –IN
A +IN
V–
V+
B OUT
B –IN
B +IN
IC401~403 : µPC4570CDual OP-Amp
IC404 : LB1641Motor Driver
REAR L FRONT L
FRONT L
REAR L
FRONTL
REAR L
REAR L
11.4
0
0
-11.3
0
0
0
0
0
0
0 0 0
0 0
0
0
0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0
0
-11.7
0
0
0
11.9
0
0
0
11.9
-11.7
11.9 11
.90 0
-11.
80
4.8
4.8
11 .9
11 .9
0 0
-11.
80
4.8
4.8
11 .9
11 .9
0 0
-11.
80
4.8
4.8
4.8
-11.
7
0 0 0 00
4 .8
11 .9
011
.9 0 00
4.8
-11.
7
0 0 0 00
4 .8 11
.90 0 0 00
0
0
0
0
0
0
-11.60
0
-23.0
-23.0
0
0
0
0
0
0
0
0
0
0
00
0
0
00
0
0
0
23.3
23.3
0 0 0
0 0 0
0
0
00
000
0
0
0
0
000
0
00
00
0
0
00
00
0
0.1 0.1
0
0.4
-23.0
0.1
0.1
0.1
23.3
0.1
0
0
11.9
-11.7
-11.7
0
0
0
0
11.9
0
0
0
0
0
11.7
0
0
0
-11.6
0
0
0
11.7
00
0
-11.6
0
0
0
11.7
00 0
-11.6
00.
50.
7 1.1
1.7
1.7
10.0
10.0
0.7
0.5
0
0
0
00
0
0
4. 8
0 0 0
0 0 04
.30.
3 4.3
0
0 0.3
0.3
0
04.8
~
4.8 4.8
4.8
0.32.5 3.1
0
00
MAIN L
MAIN L(DSP)
MAIN L
MAIN L
CENTERCENTER
MAIN L(DSP)
CENTER
MAIN L MAIN L
MAIN L
DIGITAL IN
CENTER
CENTER
MAIN L(DSP)
SPEAKER LEVELCONTROL
VOLUME AMP
MOTOR DRIVE
DIGITAL SELECTOR
CENTER/SUB WOOFER/FRONT/REAR AMP
6CHSELECTOR
DSP AMP
MAINCONTROL
INPUT SELECTOR
PHONO(MM)EQ AMP
TUNER LEVELCONTROL
MUTING
SURROUND
DIGITALSIGNAL
COAXIAL
OPTICAL
OPTICAL
EXTERNALDECODER
INPUTIN
OUT
OUTPUTSUBWOOFER
TAPE/MD
AUDIOSIGNAL
3
4
IN(PLAY)
OUT(REC)
:NOT USED
TO DSP CB3P61 D-9
TO OPE(1) CB800P60 A-5
TO TUNER CB4 P62 :U,C,R,T,A,L modelsH-5
TO TUNER CB4 P63 :B,G modelsH-4
TO INPUT(2) CB301P56 D-4
1
TO DSP CB6P61 N-4
TO OPE(4) CB802P60 H-4
TO
MA
IN(6
) C
B50
1P
59A
-5T
O M
AIN
(7)
CB
721
P59
I-8
TO
DS
P C
B1
P61
C-1
VOLUME
12
3
7
5
6
8
4
12
3
7
5
6
8
4
23
4
8
6
7
5
87
6
24
3
5
2
3
3
2
4
1
1
4
5
6
6
57
78
8
7
2
6
5
3
8
7
68
4
2
5
3
4
1
8
3
2
7
4
6
5
183
2
7
4
6
5
183
2
7
4
6
5
A B C D E F G H I J K L M N O
1
2
3
4
5
6
7
8
9
10
11
RX-V595/R-V905/RX-V595RDS
A B C D E F G H I J K L M N O
1
2
3
4
5
6
7
8
9
10
11
SCHEMATIC DIAGRAM (MAIN)
All voltages are measured with a 10MΩ/V DC electric volt meter. Components having special characteristics are marked and
must be replaced with parts having specifications equal to thoseoriginally installed.
Schematic diagram is subject to change without notice.
Conditions (RX-V595RDS)• INPUT → CD• VOLUME → minimum(–∞)• IMPEDANCE SELECTOR → Upper• PRO LOGIC → On
59
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.2SA1708(S,T)2SC4488(S,T)
NJM7812FANJM78M05FA
2SA893A(D,E)2SA970(GR,BL)2SA1015(Y)2SC1815(Y)2SC1890A(D,E)
1SS1331SS176HSS1041SS270A1T2HZS12C2TD
2SA1492(O,P,Y)2SA1695(O,P,Y)2SC3856(O,P,Y)2SC4468(O,P,Y)
NJM79M12FA
Anode
Cathode
2SC1740S(R,S)HZS242TDHZS302TD
D5SB20
ECB
2SC2229(O,Y)2SC2240(GR,BL)2SC2878(A,B)
EC
B EC
B
1.OUTPUT
2.COMMON
3.INPUT
1.COMMON
2.INPUT
3.OUTPUT
REAR L
REAR L
MAINL
MAIN L
MAINL
CENTER
CENTER
CENTER
43.5(30.2)
-43.5(-30.3)
29.4
AC68.4
AC48.0
18.8
0
12.118.8
0
11.9
-29.7
29.3
9.5
-24.2
24.6
0
5.0
-23.6
0
0
23.9
-19.5
0
-11.8
29.4
0
0.6
-11.6
0
-42.5
13.4
12.8
0.6
0.6
-41.70
0
0
1.1
-42.3
-41.7
0
0
0.6
-11.6
0
-42.5
0.6
0.6
-41.70
0
0
1.1
-42.3
-41.7
0.6
-11.6
0
-42.5
0.6
-41.70
0
0
1.1
-42.3
-41.7
0.6
-11.6
0
-42.5
0.6
-41.60
0
0
-1.1
-42.3
-41.6
0.6
-11.6
0
42.5
0.6
-41.60
0
0
-1.1
-42.3
-41.6
43.5(30.2)
0
0
0-43.5(-30.3)
-43.5(-30.3)
-0.5
1.0
-1.1
0.5
1.043.5(30.2)
0
0.5
-0.6
43.3
43.5
43.4
0
0
0
-0.6
-1.1
43.5(30.2)
0
0
0-43.5(-30.3)
-43.5(-30.3)
-0.5
1.0
-1.1
0.5
1.043.5(30.2)
0
0.5
-0.6
43.3
0
0
-0.6
-1.1
43.5(30.2)
00
0
-43.5(-30.3)
-43.5(-30.3)
-0.4
1.0
-1.1
0.5
1.0
43.5(30.2)
0
0.5
-0.6
43.3
0
0
-0.6
-1.1
43.5(30.2)
00
0-43.5(-30.3)
-43.5(-30.3)
-0.4
1.0
-1.1
0.5
1.043.5(30.2)
0
0.5
-0.6
43.3
0
0
-0.6
-1.1
43.5(30.2)
0 0
0-43.5(-30.3)
-43.5(-30.3)
-0.5
1.0
-1.1
0.5
1.043.5(30.2)
0
0.5
-0.6
43.3
0
0
-0.6
-1.1
-29.8
-30.2
0
20.3 0.1
-42.5
0.1
0.60
0.1
0.70.1
20.4
20.30.1
0
REGULATOR
MAIN POWERAMP
MUTE
MUTE
REARPOWER AMP
MUTE
MUTE
MUTE
CENTERPOWER AMP
CENTER POWER AMP
REGULATOR
POWER SUPPLY
REAR POWER AMP
MAIN POWER AMP
RELAYDRIVE
RELAYDRIVE
TO
OP
E(5
) C
B45
1P
60
IMPEDANCESELECTOR
H-8
TO
OP
E(3
)CB
805
P60
H-6
SPEAKERS
PHONES
B A
TO
OP
E(1
) C
B80
3P
60H
-4T
O IN
PU
T(1
) C
B11
0P
58K
-5
CENTER
SPEAKERS
REAR(SURROUND)
CENTER
R
L
REAR(SURROUND)
OUTPUT
R
L
SPEAKERS
OUTPUT
MAIN
A
B
R
R
R
L
L
L
TO
INP
UT
(1)
CB
109
P58
K-3
:NOT USED
RX-V595/R-V905/RX-V595RDS
A B C D E F G H I J K L M N O
1
2
3
4
5
6
7
8
9
10
11
SCHEMATIC DIAGRAM (OPERATION)
All voltages are measured with a 10MΩ/V DC electric volt meter. Components having special characteristics are marked and
must be replaced with parts having specifications equal to thoseoriginally installed.
Schematic diagram is subject to change without notice.
IC801, 802 : NJM2068LDDual OP-Amp
1
OU
T1
2
–IN
1
3
+IN
1
4
–Vcc
5
+IN
2
6
–IN
2
7
OU
T2
8
+V
cc
+–
+–
• IC800→See page 26~28, IC DATA
Conditions (RX-V595RDS)• INPUT → CD• VOLUME → minimum(–∞)• IMPEDANCE SELECTOR → Upper• PRO LOGIC → On
60
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.2SC4488(S,T) LC87F65C8A2SA933A(Q,R)
2SC1740S(R,S)DTA144ESDTC144ES
1SS1331SS176HSS104HZS5B2TDHZS6C2TDHZS7B2TD
NJM2068LD
Anode
Cathode
S1NB20HZS7C2TDHZS12B2TD
2SD2396(J,K)
ECB
EC
B8
2SC2878(A,B)
MAIN L
AC6.5
AC47.7
AC31.2
9.4
4
-29.7
0
29.3
18.8
-19.5
10.0
-29.
5
-29.
5
-22.
2
-22.
2
-29.
5
-29.
5
-29.
5
-29.
5
-29.
3
-26.
7
-29.
3
-24.
1
-26.
6
-27.
0
-27.
0
-27.
0
-27.
0
-27.
0
-27.
0
-27.
0
-27.
0
-27.
0
-27.
2
-27.
2
-27.
2
-27.
2
-27.
3
-27.
3
-27.
3
4.8
-8.9
-19 .6
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.2
-27.2
-27.2
-27.2
-27.3
-27.3
4.1
4.1
0
4.8
-11.7
4.3
4.8
4.8
4.8
-11.7
0
0
0
4.8 5.5
6.1
13.2
5.8
12.4
0
13.1
6.5
0
5.5
4.8
-29.7
-22.7
4.8
4.80
13.2
4.8
0
0
4.8
4.8
0
4.8
0
4.8
0
0
0
4.4
4.5
0.1
4.8
5.0
4.8
0.1
0 0
4.8
4.8
4.8
4. 8
4.8
5.0 0
2.1
2.5
4.8 0 0 0 0
0
0.3 0
1.9
4.4
4.8
4.8
-27.
3
-22.
2
-22.
2
-29.
3
-24.
2
-29.
3
-24.
5
-27.
4
-29.
6
-19.
6
-8.9~ ~~
-29.
5
-29.
5
-29.
5
-29.
5
-29.
5
-29.
5
0 4.8
4.7
4.8
4.8
4.8
3.2
0
-29.
3
-26.
7
-29.
3
-24.
1
-26.
6
-29.
3
-24.
2
-29.
3
-24.
5
-29.
7~ ~
~
~
~
~ ~ ~ ~
~~
3
0
0
0
1.9
0
0.3
0
0.2
0.30
00
13.1
13.1
0.7
AC12.6
00.1
-11.7
0.1
00.1
11.80.1 0
0
0 0
0 0
-11.6
-11.6
11.80
00
-11.7
0
4.1
4.1 0
SYSTEM & DSPCONTROL
TONE CONTROL
SUB POWER SUPPLY
POWER SUPPLY
TO
INP
UT
(2)
CB
302
P56
D-5
TO
MA
IN(1
) C
B50
5P
59I-
4T
O IN
PU
T(1
) C
B10
8P
58I-
1
TO
MA
IN(1
) C
B50
6P
59I-
5
TO
MA
IN(7
) C
B72
2P
59#17
AC OUTLETS
VOLTAGESELECTOR
OPE(2),(3),(4)
S.VIDEO
AUDIO
VIDEO
TAPE/MD MON/EXT.DECODER
M-9
TO
INP
UT
(1)
CB
104
P58
G-8
OPE(1)
:NOT USED:USED
:NOT USED:USED
#13
TO
PO
WE
RT
RA
NS
FO
RM
ER
LC87F65C8A(LC876564A-5K19)
Point 3(Pin 16 of IC800)V : 2V/div H : 50nsec/divAC range 1 : 1 probe
2V SAMPLE 50ns
0V
Point 4 CH1 : Pin 11 of IC800 CH2 : Emitter of Q806V : 2V/div H : 0.5sec/divDC range 1 : 1probe
2V 2V SAMPLE 0.5s
0V
CH1
(CH1)
(CH2)
CH2
0V
Disconnect thepower cord fromthe AC outlet.
This waveform is not available by pushing thepower switch ON and OFF.
With the POWERswitch turned ON,connect thepower cord to theAC outlet.
RX-V595/R-V905/RX-V595RDS
A B C D E F G H I J K L M N O
1
2
3
4
5
6
7
8
9
10
11
SCHEMATIC DIAGRAM (DSP)
All voltages are measured with a 10MΩ/V DC electric volt meter. Components having special characteristics are marked and
must be replaced with parts having specifications equal to thoseoriginally installed.
Schematic diagram is subject to change without notice.
IC1 : NJM2904MIC8~13 : uPC4570G2Dual OP AMP
IC2 : HD74HC02FPQuad 2 Input NOR
IC7 : AK43201 bit D/A Converter
A OUT
A –IN
A +IN
V–
V+
B OUT
B –IN
B +IN
1B1A1Y 2Y 2A 2B
GN
D
Vcc
4A4B4Y 3Y 3B 3A
1 2 3 4 5 6 7
14 13 12 11 10 9 8
Conditions (RX-V595RDS)• INPUT → CD• VOLUME → minimum(–∞)• IMPEDANCE SELECTOR → Upper• PRO LOGIC → On
• IC3~6, 14→See page 29~35, IC DATA
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.M5M51288BKJ-20LTE LC87F5164AAK43201SS335 AK4526 YSS908-FNJM2904M
uPC4570G2UPC29M33T-E1 HD74HC02FP2SC3326(A,B)
DTA144EKADTC144EKA
Anode
Cathode
12
13
24
61
Point 5Pin 13 of IC3V : 2V/div H : 50nsec/divAC range 1 : 1probe
2V SAMPLE 50ns
0V
Point 6Pin 13 of IC4V : 2V/div H : 50nsec/divAC range 1 : 1probe
2V SAMPLE 50ns
0V
FRONT L
REAR L
DIGITALIN
MAIN L(DSP)
MAINL
CENTER
3. 1
2.2
0
04.9
0
4.9
0
0
0
2. 42. 42. 7
0
0
0
4.8
2.4
2.4
2.4
0 2.4
2.4 0 0
3.1
4.9
4.9
0
4.8
2.42.4
0 02.
4
1.5 0
3.10
3.1
4.9
4.9
4.9
2. 4
0. 94. 70. 2
0
3.1000000000
000
2. 42. 42. 72. 7
0
2. 4
0 0
4. 7 0
4.9 0
0 00 0
0
4.94.90
04. 9
0
0
000
4.90
00
4.94.9
4.90
4.9
2.4
2.4
2.4
2.4
2.7
2.3
4.9
02.42.42.72.72.42.42.42.3
2.4
2.4
2.4
2.4
2.4
2.4
2.3
4.8
2.4
4.8
4.7
2.4
0.9
0.2 0
0
3.10
0
4 .9
4.8
2.4
2.4
11.9
2.4
2.4
2.42.4
2.4
-11.7
-11.7
11.9
2.4
2.4
2.4
0
0
0
0
0
0
0
00
11.9
0
00
-11.70
00
11.9
0
00
-11.70
0
00
- 11.1
- 11.1
0
0
-11.2
0.2
0.2
00.5
0. 54.94.9
0
0
0 0.2
0
00
- 11.1
- 11.1
0
0
00
- 11.1
- 11.1
0
0
00
- 11.1
- 11.1
0
0-11.7
0
11.9
-11.2
-11.2
0
2.4
2.4
2.4
4.8
2.4
4.8
4.8
2.4
2.4
2.40
0 0
2.4 2.4
2.40
0
0
4 .92 .43 .7
3 .804 .900
04. 9
0
0 0
4.7
0
-11.2
-11.2
0
0
0
0
2. 34. 92. 4
2. 400
4. 9
0
4.9
4.9
0 2.3
0 4.8 4 .8
2.4
4.90
0 4.9
000
1.31.34.94.9
4.94.94.94.94.94.9
4.9 3.2
0
00000
0 0 0 0 2.1 4.
94.
9
04.9
2.42.3
4.74.8
~
~~~~
~
~~
~
~
~
~ ~ ~ ~ ~ ~ ~
~~ ~ ~ ~ ~ ~ ~
~ ~ ~ ~ ~ ~ ~
4.9
4.9 0
4.9
4.9 0 0
4.8
4.9 0
2.2
2.5
4.9
~
~ ~ ~ ~~ ~ ~
~
~
~
~
2.42.42.4
2.42.92.9
2.42.42.42.7
5
6
L.P.F
ADC/DAC
DSP AMP
DAC
MUTEDRIVE
RAMDSPCONTROL
DOLBY DIGITALPRO-LOGIC DECODER
+DSP
DIRMUTING
TO
INP
UT
(1)
CB
102
P58
D-1
TO INPUT(3) CB354P58 M-8
TO INPUT(1) CB106P58 H-8
123
5 6
4
75
6
1
4
8
14
7
1112 13
89 10
3
2
78
5
7
45
6
81
3
2
3
24
1
6
LC87F5164A
(LC875164A-5K20)
A
1
2
3
4
5
6
7
8
RX-V595/R-V905/RX-V595RDS
B C D E F G H I J K
62
IC1 : LA1266AM/FM IF
IC3 : LA3401MPX
IC2 : LC72131PLL Controller
• PK1 : ENV-172C8G1R (V2909100) U, C, R, T models
L11 L1
L10
C25P
C332200P
C322200P
DT1MA372
D5MA110
C55P
R3100K
R422
R81K L2
C130.018m
L3
C311.5P
Q12SK360
R2100K
R9100
DT2MA372
R5100K
C85P
L5
R28
R7680K
C1027P
C9470P
C292P
C179P
R15
Q22SC2620 L7
R1910K
C2447P
R23330
R22330K
C195P
R25
C2315P
Q62SC2619
R1710
C2012P
Q42SC2814
C1822P
R141.8K
R16330
R1310K
R1210K
C27
L6C150.2P
DT4MA372
R102.7K
C1482P
C120.018µ
C260.018µ
AN
T
AN
T2
GN
D2
GN
D3
VT
+B
IF O
UT
OS
C O
UT
1 2 3 4 5 6 7 8
• PK1 : ENV-172A4G1 (V2716700) A, L models
AN
T
AG
C
GN
D2
GN
D3
VT
+B
IF O
UT
OS
C O
UT
C1122P
C139P
L9
C286P
R1100K
C215P
C310.01µ
C320.01µ
L1
C30.75P
DT1SVC212
R2100K
C47P
R3100K
C510P
Q12SK439
R4150
R810K
R261.5K
R27390
L2 L3
R933
C300.018m
C130.018m
C67P
DT2SVC212
DT3SVC212
R5100K
R6100K L8
C84P
L4
C72.5P
C1027P
C260.01µ
C120.018µ
C1447P
C250.01µ
R104.7K
C162P
DT4SVC212
C15 L6
Q52SC461
R20330K
R21470 C29
2PC27
0.018mR1210K
C178P
Q42SC461
C1827P
R1310K
R141.8K
C9470P
R71M
Q22SC535
R19
C2447P
R23330
R22330K
C195P
C2012P
R2410
Q62SC461
R25
C2315P
L7
1 2 3 4 5 6 7 8
L50.47m
SCHEMATIC DIAGRAM (TUNER) U, C, R, T, A and L models
All voltages are measured with a 10MΩ/V DC electric volt meter. Components having special characteristics are marked and
must be replaced with parts having specifications equal to thoseoriginally installed.
Schematic diagram is subject to change without notice.
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.LA12662SC535(A,B,G)
2SC1815(Y)1SS1331SS176HSS104MTZJ5.6B
Anode
Cathode
2SC1740S(R,S)DTA114ESDTC144ES
ECB
LA3401LC72131
12
24
Each voltage given here repressents that in the FM (98.1MHz STEREO) reception modebut the one in the parentheses ( ) is that in the AM (1080kHz, MAN’L) reception mode.
V : 2V/div H : 0.1µsec/div
2V SAMPLE 0.1us
Point 1 (Pin22 of IC2)
DC range 1 : 1 probe
0V
FM
AM
AM
FM
10.4(0)
10.5(11.5)
0.1(10.6)
5.1
(5.0)
(4.4)
(0)
5.1(5.2)
7.7 (7.6)
2.4
(1.1
)
2.4
(1.1
) 2.4
(1.1
)
0(0
)
11.0
(11.
1)
11.0
(11.
1)
11.0
(11.
1)
0(0
)
3.9
(3.7
)
2.3
(2.2
)0
(2.1
)
3.0
(2.8
)
3.4
(2.1
)
3.9
(3.5
)
3.9
(3.5
)
(1.9
)
(3.5
)
5.0 11.4(11.5)
5.7(5.7)
5.7(5.7)
0(0)
2.4(0)
4.9(5.0)
0(2.5)
(0) 2.4
4.9(5.0)
(1.0) 1.0
(1.0) 1.0
(5.0) 4.5
(0) 0
(0)0
0.1 10.6
(0)0
(0)0
(0.2)11.4
(0)0
(0)0
(0)0
(0)0
(2.5) (2.5)2.4
0
(11.5)
(11.5)11.4
11.4(0.2)
(1.5
)
3.9 0
(10.
5)
1.5
2.4
(1.1
)
(2.8
)0
(2.2
)2.
6
(2.0
)1.
5
1.5
11.0
2.4
(11.1)
3.0(2.8)
(2.1)
3.1
(3.1
)
3.1
(3.1
)
3.1
(3.1
)
3.1
(3.1
)
3.0
(3.0
)
3.1
(3.1
)
3.1
(3.1
)
3.0
(3.0
)
3.1
(3.1
)
0
(6.9
)
11.1
(11.
2)
3.4
(3.6
)
2.8
(7.0
)
2.8
(5.2
)
2.8
(5.2
)
2.8
(9.1
)
2.8
(2.8
)
0(0
)
4.9
(0)
4.9
(5.0
)
0(0
)
0 2.8
(9.1)
0 (0)
2.8(9.1)
4.9
(4.9)
0(0)
0 (0)
4.4
(5.2)
87.5MHz98.0MHz
108.0MHz
1.9V4.5V7.8V
531KHz
1080KHz1611KHz
1.3V
5.0V7.3V
AM
FM
1
2.5
MONAURAL DISTORTION ADJ.
SIGNAL METER ADJ.
DISCRIMINATOR BALANCE ADJ.
SEPARATION ADJ.
(9.4)9.3
0(0
)
AM SENSITIVITY
VT
REGULATOR
PLL
MPXAM/FM IF
TO INPUT(1)CB107P58 H-8
:USED:NOT USED
bottom view
A
1
2
3
4
5
6
7
8
RX-V595/R-V905/RX-V595RDS
B C D E F G H I J K L
63
IC1 : LA1266AM/FM IF
IC3 : LA3401MPX
IC2 : LC72131PLL Controller
• PK1 : ENV-172A4G1 (V2716700)
AN
T
AG
C
GN
D2
GN
D3
VT
+B
IF O
UT
OS
C O
UT
C1122P
C139P
L9
C286P
R1100K
C215P
C310.01µ
C320.01µ
L1
C30.75P
DT1SVC212
R2100K
C47P
R3100K
C510P
Q12SK439
R4150
R810K
R261.5K
R27390
L2 L3
R933
C300.018m
C130.018m
C67P
DT2SVC212
DT3SVC212
R5100K
R6100K L8
C84P
L4
C72.5P
C1027P
C260.01µ
C120.018µ
C1447P
C250.01µ
R104.7K
C162P
DT4SVC212
C15 L6
Q52SC461
R20330K
R21470 C29
2PC27
0.018mR1210K
C178P
Q42SC461
C1827P
R1310K
R141.8K
C9470P
R71M
Q22SC535
R19
C2447P
R23330
R22330K
C195P
C2012P
R2410
Q62SC461
R25
C2315P
L7
1 2 3 4 5 6 7 8
L50.47m
SCHEMATIC DIAGRAM (TUNER) B, G models
All voltages are measured with a 10MΩ/V DC electric volt meter. Components having special characteristics are marked and
must be replaced with parts having specifications equal to thoseoriginally installed.
Schematic diagram is subject to change without notice.
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
IC4 : LC72720NRDS Decoder
+
REFERENCEVOLTAGE
57kHzbpf
(SCF)
CCB
TEST
PLL(57kHz)
ANTIALIASINGFILTER
SMOOTHINGFILTER
RAM(24 BLOCK DATA)
ERROR CORRECTION(SOFT DECISION)
SYNC/ECCONTROLLER
SYNCDETECT-1
DATADECODER
CLOCKRECOVERY(1187.5Hz)
MEMORYCONTROL
OSC/DIVIDER
VREF
CLK(4.332MHz)
SYNCDETECT-2
VDDA
VSSD
VDDD
RDS-ID
SYNC
SYR
VSSA
MPX IN
DOCLDI
CE
T1T2T3T4
T5
T6
T7
X IN
VR
EF
FL
OU
T
C IN
X O
UT
3 14
15
19
18
24
1 5 6
4
2
20
21
22
23
78910
11 16 17 13 12
Each voltage given here repressents that in the FM (98.1MHz STEREO) reception modebut the one in the parentheses ( ) is that in the AM (1080kHz, MAN’L) reception mode.
SAMPLE 0.1us2VSAMPLE 50us2V2V
V : 2V/div H : 50nsec/div
Point 1 (Pin22 of IC2)
DC range 1 : 1 probe
0V
V : 2V/div H : 0.1µsec/div
Point 2 (Pin12 of IC4)
DC range 1 : 1 probe
0V
LA1266LC72720N
2SC535(A, B,G)2SC1815(Y)
1SS1331SS176HSS104MTJ5-6B
Anode
Cathode
2SC1740S(R,S)DTA114ESDTC144ES
ECB
LA3401LC72131
12
24
AM
FM
AM
FM
(0)
01.5
(2.0
)1.
5
2.7
(2.3
)
0(2
.9)
(1.1
)2.
4
1.5
(1.9
)
(10.
6)0
(3.5
)3.
9
(3.5
)3.
9
(2.2
)3.
1
11.2
SIGNAL METER ADJ.
(6.9
)
03.1
(3.1
)
5.1
(5.1
)
3.1
(3.1
)
3.1
(3.1
)
5.1
(5.1
)
3.1
(3.1
)
3.2
(3.2
)
3.1
(3.1
)
3.1
(3.1
)
00.5
(4.5
)
(0)
(0)
4.9
(0)
0
(2.8
)2.
8
(9.2
)2.
8
(5.5
)2.
8
(5.5
)2.
8
(7.3
)2.
8
(2.0
)(1
1.3)
3.4
(1.5
)
(9.2)2.8
(0)0
(2.1)2.5
(2.8)3.1
(11.2)11.0
2.6
3.1
(2.8
)
(2.2
)
(2.3
)2.
3(3.7
)3.
8
(9.2)2.8
(0)0
(11.
2)
(0)
0
(11.
2)11
.0
(11.
2)11
.1
(11.
2)
2.4
11.1
(0)
0
2.4
(1.1
)
(1.1
)2.
4(1
.1)
2.4 (2.4)2.5(2.5)
(0) 0
(0)0
(0)0
(0)0
(0)0
(0.2)11.5
(0)0
(10.6)0.1
(0)0
4.1(5.1)
(1.0)1.1
(1.0)1.1
(4.9) 4.9
2.4(0)
(2.4) 0
(4.5) 0.5
(2.4)0
(0)
5.6
(5.6)5.6
(11.6)11.5
(4.9)4.9
(2.5
)2.
5
(0)
0
(0)
0
(2.1
)
(2.1
)
2.1
2.1
(0)
04.2
(4.2
)
(2.1
)2.
1
(2.1
)2.
1
(2.4
)2.
4(4.9
)4.
9
(0)
0
(4.9
)4.
9
(0)
0
(0)
0
(0)
0
(0)
0
2
SEPARATION ADJ.
(4.9)4.9
(0)0
(0)0
AM SENSITIVITY ADJ.
(4.3)
4.3
5.1
(5.1)
(7.5)
7.6
(9.4)9.4
(5.1)
5.0
(10.6)0.1
(11.6)10.4
(0)10.3
DISCRIMINATOR BALANCE ADJ.
MONAURAL DISTORTION ADJ.
11.5
(0.2)11.5
(11.6)
(9.4)0
1
(0)0
(4.9
)4.
9
(5.6)
0
FM
VT
AM7.4V5.1V
1.4V
1611KHz1080KHz
531KHz8.3V4.1V1.7V
108.0MHz98.1MHz87.5MHz
REGULATOR
RDS DECODER
AM/FM IF MPX
PLL
bottom view
TO INPUT(1)CB107P58 H-8
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