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Colour Television

TX-21AP1PZ8T Chassis

SPECIFICATIONS

Power Source: 220-240V a.c., 50Hz

Power Consumption: 52W

Stand-by PowerConsumption: 0,9W

Aerial Impedance: 75Ω unbalanced, Coaxial Type

Receiving System: PAL B/G, PAL D/K ,PAL-60SECAM B/G, SECAM D/KM.NTSC (AV)NTSC (AV only)

Receiving Channels:VHF E2-E12 VHF H1-H2 (ITALY)VHF A-H (ITALY) VHF R1-R2VHF R3-R5 VHF R6-R12UHF E21-E69 CATV (S01-S05)CATV S1-S10 (M1-M10) CATV S11-S20 (U1-U10)CATV S21-S41 (HYPERBAND)

Intermediate Frequency:Video/AudioVideo 38,9MHzAudio 32,4MHz, 32,66MHz (A2 CZECH)

33,05MHz (NICAM)33,4MHz, 33,16MHz (A2)33,05MHz (NICAM B/G)

Colour 34,47MHz34,5MHz, 34,65MHz

Terminals:

AV1 IN Video (21 pin) 1V p-p 75ΩAudio (21 pin) 500mV rms 10kΩRGB (21 pin) 0,7V p-p 75Ω

AV1 OUT Video (21 pin) 1V p-p 75Ω Audio (21 pin) 500mV rms 1kΩ

AV FRONT Audio (RCAx2) 500mV rms 10kΩVideo (RCAx1) 1V p-p 75Ω

High Voltage: 27kV ± 1kV

Picture Tube: A51ERF135X71 51cm

Audio Output: 2 x 5W RMS, 2 x 10W MPO8Ω Impedance

Headphones: 8Ω Impedance

Accessoriessupplied : Remote Control

2 x R6 (UM3) Batteries

Dimensions:Height: 476mmWidth: 524mmDepth: 473mm

Net weight: 22kg

Specifications are subject to change without notice.Weights and dimensions shown are approximate.

NOTE: This Service Manual should be used in conjunction withthe Z8 Technical guide.

ORDER No. 02-SM-007

ADJUSTMENT PROCEDUREItem / Preparation Adjustments+B SET-UP1. Receive a Greyscale signal.2. Set the controls :

Brightness Minimum

Contrast Minimum

Volume Minimum

Confirm the following voltages.

B1 3,3 ± 0,3V B13 -16 ± 1VB2 190 ± 10V B14 27,5 ± 1,5VB3 16 ± 1V B15 28 ± 1,5VB4 10 ± 1V B16 13 ± 1VB8 5 ± 0,3V B17 8 ± 1VB11 127 ± 10V B18 5 ± 0,3V

CUT OFF / Ug2 Test1. Receive a Greyscale signal.2. Degauss the tube externally.3. Set the TV into Service Mode 1.4. Select Cut off mode.

Set Contrast on maximum, set Brightness on center, switchon AV mode.Enter Service mode. Set Sub-Brightness to 31. Select Ug2Test. Press "+" and adjust screen Vr till sharp vertical line isvisible and LED switches off. Then reduce screen Vr till LEDis just switched on (pin6 of connector E1 must be connectedto GND).

SELF CHECKSelf-check is used to automatically check the bus lines and hexadecimal code of the TV set.To enter Self-Check mode, pressthe STATUS button on the remote control and at the same time press the down (-/v) button on the customer controls atthe front of the TV set. To exit Self Check, switch off the TV set at the power button.

If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".

Service AidsTo aid in the service of our current chassis there are a number of Service Aids which have been made available.• LUCI interface kit (Linked Utility Computer Interface)

Part number: TZS6EZ002This contains interface and cables for connecting TV service connector and a PC as well as diagnostic software. As newmodels are introduced upgrade software will become available.

• VICI (Visual Interactive Computer Information)These C.D.'s contain multimedia documentation providing quick access to service information.Part No. TZS7EZ006, TZS7EZ005, TZS8EZ001 & TZS9EZ0011. Service Manuals2. Instruction Books3. Technical Information

• TASMIN (Technically Advanced System for Multimedia Interactive Notes)As well as providing a first step towards more interactive training this product also achieves quick access to TechnicalInformation.

OPTION 1 EC

OPTION 2 03

4

WAVEFORM PATTERN TABLE

5

CONDITIONS:

Contrast: MAXBrightness: MIDColour: MIDSharpness: MID

ALIGNMENT SETTINGSTo access Service Mode select program position 99 and set sharpness to minimum.Press “MUTE” button on remote control and at the same time press the "V" button on the customer controls at the front ofthe TV, this will place the TV set into Service Mode.Press ∧∧∧∧ / ∨ ∨ ∨ ∨ buttons to step up / down through the functions.Press + / - buttons to alter the function values.Press “STR” button on the customer controls at the front of the TV after each adjustment has been made to store therequired values.To exit Service Mode press “N” button.

Alignment Function Setting indicationNote: All setting values are approximate Settings / Special features

1. Cut off (Ug2) LED ON/OFF(pin6 of connectorE1 to the GND) LED to be just ON

2. Vertical slope V-SLO 029 Optimum setting.3. Vertical Position V-POS 035 Optimum setting.4. Vert. Amplitude V-AMP 054 Optimum setting.5. Horizontal Shift H-CTR 034 Optimum setting.

6. Horizontal Parallelogram H-PAR 035 Optimum setting.7. Horizontal Bow H-BOW 025 Optimum setting.

8. R-Cut R-CUT 008 Optimum setting.9. G-Cut G-CUT 008 Optimum setting.

10. R-Drive R-DRV 039 Optimum setting.11. G-Drive G-DRV 031 Optimum setting.12. B-Drive B-DRV 031 Optimum setting.

13. AGC AGC 028 Optimum setting.14. Sub Colour S-COL 015 Optimum setting.

15. Sub Brightness S-BRI 026 Optimum setting.16. Horizontal Width EW-WD 049 Optimum setting.

17. EW Parabola EW-PR 009 Optimum setting.18. EW Upper Corners EW-UC 037 Optimum setting.19. EW Lower Corners EW-LC 051 Optimum setting.

20. EW Trapezoid EW-TP 022 Optimum setting.

To access Option Bytes input remote code "FA" followed by key 5 (14 hex) or to access from Service Mode press "Statusbutton" on remote control.(numerical keys 0-7 to change value, TV/AV button to store on remote control):

Option Byte 1 Option Byte Table Option Byte 2 Option Byte TableBit No. Value Functions Bit No. Value Functions

0 0 French model 01

NOYES 0 1 Sound AI 0

1NOYES

1 0 Irish model 01

NOYES 1 1 CATS 0

1YESNO

2 1 NICAM 01

NOYES 2 - - - - - - - -

3 1 A2 Stereo 01

NOYES 3 - - - - - - - -

4 0 Tuner manufacturer 01

MACOALPS 4 - - - - - - - -

5 1 E-W circuit 01

NOYES 5 - - - - - - - -

6 1 Q-link 01

NOYES 6 - - - - - - - -

7 1 TOP TEXT 01

YESNO 7 - - - - - - - -

6

VIDEO & STEREO AUDIO BLOCK DIAGRAM

TUNER

IC601

23 IF1

UOC

X103

Q2001

JK3101

HEA

DPH

L

24 IF2

28 SIF129 SIF2

R IN

46

G IN

47

B IN 48

QSS OUT 35

VIDEO OUT 38

VIDEO IN 40

VIDEO EXT 42

53 B OU

T

52 G O

UT

51 R O

UT

IF1 IF2

R

V

E71

E63

R

L

IC2001QSS IN 47

R IN 42L IN 41

OUT L 31

OUT R 30

24 AMP R

25 AMP L

MULTI-STANDARTSOUND

PROCESSOR

IC251AUDIO OUTPUT IC

5 R IN

1 L IN L OUT 10

R OUT 8

3

1

Q2001

Q601 Q602

Q2004 Q2003

AV 21 PIN SCART

20 VIDEO

IN

15 R IN

11 G IN

19 VIDEO

OU

T

7 B IN

6 L IN

3 L OU

T

2 R IN

1 R O

UT

Q3104

X602SOUND TRAP

E-BOARD

E81

2

3

Y21

2

3

CRT

Y-BOARD

IC351

1 2 3789

Q351

D370

D371

D372

7

POWER SUPPLY & DEFLECTION BLOCK DIAGRAM

1

3

CRT

Y-BOARD

IC351

5

789

Q351

D350

Y3

1

2

F801 S802

Degauss Coil

T802 RL801

+

~

D802

~

P2 P1

S2 S1

2

43

1E2Mains In

LineFilter

12E3

D801

D1202

Q1201

+

~

D1201

~

IC1104REMOTE IN

VCC

IC1103EAROM

8

IC110231

IC120131

IC1102VDD

R1202

5V STANDBY

Q1204

R1205

IC601 PIN 1POWER ON/OFF

IC801POWERSUPPLY

3

5

4

1

R804

IC80212D812 D804

D813 D811 D806

D805 T802S2

B2

P2

P1

S3

S4S5

B1S1

IC7016

5

IC7022 1

F853

F852

D853 Q851

D852

Q852

IC251AUDIO

OUTPUT

9

Q701Q702

Q751 Q752

IC451VERTICALOUTPUT

1

7

3

6 4

5

2

IC601UOC

61 VDDP

56 VDDC

54 VDDA

20 AVL/EW

14 VCC

39 VP

BCL 49

IBL 50

PROT 36

FBI/SCO 34

HOUT 33

V- 21

V+ 22

D701

D751

F851D851

Q753 Q501T553

D501

D510

Q551

D556

D557

HOT

D752

12

4

E4

6

9410853

1 6

T552FBT

D559

D401

D402

Q402Q401

D553

61E1

+5VSTANDBY

Q603 D603 +190V

D606 +8V

D601 +5V

D403

Q552

E-BOARD

5

6

Y2

1

3

E5

5

6

E8

TO RGBINPUTS

G1

HEATER

IC11052

IC200116

33

IC85113

IC85213

D552 D554

5V 8V

D1205

TUNER

TU2 33V

MB 5V

D002

D003

8

CONTROL BLOCK DIAGRAM

9 5

CRT

Y-BOARD

IC351789

D350

IC601

1 STANDBY

UOC

REM IN 64

Q1102 X601

2 SCL

3 SDA

6 KEYSCAN

8 SLOW SW

11 MUTE2

27 AGC

RESET 60

XTAL 59

XTAL 58

IBL 50

BCL 49

FBL 45

PROT 36

D1107Q1107D1104

+5VSTANDBY

AV 21 PIN SCART

16 FAST SW

8 SLOW

SW

SWITCHINGMATRIX

Q1109

D1106

Q1110

Q1204Q1201

RL801

TUNER

TU2 33V

MB 5V

IC1103EAROM

5

IC1104REMOTE IN

IC1105 IC2001

IC1102OUT 1

T552

IC251AUDIO

OUTPUT3 MUTE

6SDA SCL

7 SCL

8 SDA

20 RESET

XTAL 52

XTAL 51

OUT 1

3FBT

Q255

Q253

Y25

E8

5

E-BOARD

2E1

3

4

AGC

Q603Q401

Q402

Q-LINK OUT 63

Q-LINK IN 62

Q1106 Q1103

Q1104 Q1105

10 Q-LIN

K