Panasonic TX-32PM1 Manuale utente

Service Manual

Colour Television

TX-32PM1

TX-28PM1

GP4 Chassis

SPECIFICATIONS

(Information in brackets [ ] refers to model TX-28PM1)

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

Power Consumption: 86W [78W]

Stand-by Power

Consumption: 1,3W

Aerial Impedance: 75:unbalanced, Coaxial Type

Receiving System: PAL-I, PAL-525/60

M.NTSC (AV only)

NTSC (AV only)

Receiving Channels: VHF A1-S20

UHF E21-E69

CATV S21-S41 (Hyperband)

Intermediate Frequency:

Video/Audio

Video 38,9MHz

Audio 32,9MHz

32,35MHz (NICAM)

Colour 34,47MHz

Terminals:

AUDIO MONITOR OUT Audio (RCAx2) 500mV rms 1k:

AV1 IN Video (21 pin) 1V p-p 75:

Audio (21 pin) 500mV rms 10k:

RGB (21 pin) 0,7V p-p 75:

AV1 OUT Video (21 pin) 1V p-p 75:

Audio (21 pin) 500mV rms 1k:

AV2 IN Video (21 pin) 1V p-p 75:

Audio (21 pin) 500mV rms 10k:

S-Video IN Y: 1V p-p 75:

(21-pin) C:0,3V p-p 75:

AV2 OUT Video (21 pin) 1V p-p 75:

Audio (21 pin) 500mV rms 1k:

AV3 IN S-Video IN Y: 1V p-p 75:

(4-pin) C:0,3V p-p 75:

Audio (RCAx2) 500mV rms 10k:

Video (RCAx1) 1V p-p 75:

High Voltage: 32kV ± 0,9kV [31kV ± 1kV]

Picture Tube: W76EKX50X21 76cm

[W66MAF185X03 66cm]

Audio Output: 2x7W RMS, 2x15W MPO,

8:impedance

Headphones: 8:Impedance

Accessories

supplied : Remote Control

2 x R6 (UM3) Batteries

Dimensions:

Height: 566mm [515mm]

Width: 902mm [766mm]

Depth: 550mm [529mm]

Net weight: 56kg [38kg]

Specifications are subject to change without notice.

Weights and dimensions shown are approximate.

ORDER No. 04-SM-001

Panasonic CS ( U.K. ) Ltd.

WILLOUGHBY ROAD,

BRACKNELL,

BERKS.,

RG12 8FT.

WAVEFORM PATTERN TABLE

CONDITIONS: Contrast: MAX, Brightness: MID, Colour: MID, Sharpness: MID

ALIGNMENT SETTINGS

(The figures below are nominal and used for representative purposes only.)

1. Set the Bass to maximum position, set the Treble to minimum position, set the Volume to minimum then press the

down button (-/v) on the customer controls at the front of the TV and at the same time press the INDEX button on the

remote control, this will place the TV into the Service Mode 1.

2. Press the RED / GREEN buttons to step up / down through the functions.

3. Press the YELLOW / BLUE buttons to alter the function values.

4. Press the OK button after each adjustment has been made to store the required values.

5. To exit the Service Mode, press the "N" button.

Alignment Function Setting indication

Note: All setting values are approximate Settings / Special features

EAROM copy TV/EXT ---

FLASH program copy EXT -> TV ---

Horizontal Position H-Pos

-15 Optimum setting.

Vertical Position V-Pos

10 Optimum setting.

Horizontal Amplitude H-Amp

85 Optimum setting.

Vert. Amplitude V-Amp

22 Optimum setting.

EW-amplitude EW-Amp 1

- 20 Optimum setting.

Lower Corner Lower Corner

5Optimum setting.

Trapezium-comp Trapez 1

-4 Optimum setting.

Upper Corner Upper Corner

3 Optimum setting.

Vertical Linearity V-Lin

24 Optimum setting.

Vertical Symmetry V-Sym

-12 Optimum setting.

Angle Angle

2 Optimum setting.

Bow Bow

-2 Optimum setting.

DVCO DVCO

-1

Receive a PAL Colour Bar Pattern. For

DVCO alignment press "Blue" button, wait

until the figure colour is changed from red

to black colour.

Highlight

Lowlight

High 0451 0401 0380

Low 0270 0277 0256 Optimum setting.

Sub-Brightness Sub-Brightness

7Optimum setting.

VIDEO & STEREO AUDIO BLOCK DIAGRAM

CRT

L-BOARD

IC351

123

B 7

G 8

R 9

Q354

D362

D363

D364

D15

IC601

16 IF1

VCT4973G-PZ

17 IF2

AA_R_VCT 32

AA_G_VCT 31

AA_B_VCT 30

71 AA_BOUT

72 AA_GOUT

73 AA_R OUT

X201

AV1 21 PIN SCART

20 VIDEO IN

15 R IN

11 G IN

19 VIDEO OUT

7B IN

6L IN

3L OUT

2R IN

1R OUT

AV2 21 PIN SCART

20 VIDEO/Y IN

19 VIDEO OUT

6L IN

3L OUT

2R IN

1R OUT

IC2301

AUDIO OUTPUT

4R IN

2L IN

L OUT P 12

L OUT M 11

JK3201

VLR

G-BOARD

D-BOARD

D21 G21

D18

R OUT M 9

R OUT P 8

TUNER

JK2301

Q2303

Q301

L(0)

L(1)

R(1)

R(0)

HEADPH

Front AV2 terminal

1542367

4AA_SPEAKL

5AA_SPEAKR

AA_AVVCTL 8

AA_AVVCTR 9

AA_AMOUTL 10

AA_AMOUTR 11

AA_AV1_CVBS 33

AA_AV2_C 34

AA_AV2_CVBS 35

AA_AV3_C 36

AA_AV3_Y 37

AA_AV3_CVBS 38

AA_AV1_OUT 40

AA_AV2_OUT 41

IC2303

AUDIO SWITCH

AA_AV1_IL 4

AA_AV2_IL 5

AA_AV3_IL 6

AA_AV1_IR 25

AA_AV2_IR 24

AA_AV3_IR 23

AA_AV1_OL 12

AA_AV1_OR 13

AA_AV2_OL 14

17 AA_AMOUTR

16 AA_AMOUTL

AA_AV2_OR 15

AA_RFOUTL 6

AA_RFOUTR 7

9AA_RFOUTL

20 AA_RFOUTR

15 C_IN

Q302

Q303

Q304

Q305

Q306

Q2301

Q2304

Q2302

Q605

Q606

Q353

Q352

Q351

82 AA_SENSE

POWER SUPPLY BLOCK DIAGRAM

AUDIO OUTPUT

D - BOARD

S840

RL801

Mains In

D803A

F840

Line

Filte

L831

Line

Filte

L832

PFC

Filter

L804

D802

D801

Degauss

coil

IC801

POWER

SUPPLY

R822 R823

T801

D872

D883

D866

D848

D849

D870

Q846

Q847

Q850

D867

D868

IC802

REG 8V

10,5V

6,5V

T551

IC451

VERTICAL

2,6

D552

D513

D515

TUNER

15V

D881

D882

5V_SBY

T553

IC351

RGB OUTPUT

L - BOARD

Q841

IC1900

GEOMAGNETIC

CORRECTION

D1061

Q1900

LED

6,5V

3,3V_SBY 5V_SBY

10,5V

Q906

215V

Q354

Q908

G - BOARD

POWER BUS

IC860

-14V

14V

142V R887

30V

142V

IC1062

400V

STR_Vcc

D837

D836

VCC

R003

R801

IC854A

REG

IC857

REG

IC852

REG

21IC855

REG

IC851 REG

126 7

D892

IC856A

REG

D884

D897

D874

D873

3,3V

5V_

DEF

3,3V_SBY

1,8V_SBY

IC601

VCT4973G-PZ

19,20,87

5V_DEF

21,64,68

3,3V

24,43

1,8V_SBY

46,65

3,3V_SBY

IC605

5V_SBY

IC2301

15V

IC2303

AUDIO

SWITCH

IC602

5V_SBY

PORT

EXPANDER

IC603

3,3V_SBY

IC1103

3,3V_SBY

EAROM

RESET I C SWITCH

D864

D869

R869

10,5V

5V_SBY

1313

3,3V_SBY

10,5V

6,5V

SERVICE

5V_SBY

POWER BUS

D825

R825

142V

6,5V

10,5V

CONTROL BLOCK DIAGRAM

IC601

MICROPROCESSOR

51 KEYSCAN

TUNER

5SDA

4SCL

LOCAL KEYS

SWITCHING

MATRIX

52 SLOW 1

53 SLOW 2

RESET 18

47 LED

3,3SDA 58

3,3SCL 57

VCT_MUTE 49

XTAL2 26

XTAL1 25

SERVICE/TEST

AV1 21 PIN SCART AV2 21 PIN SCART

LED

KEYSCAN

LED

G - BOARD

56 RM

8SLOW1

8SLOW2

12 SDA_SW2

10 SCL_SW2

601

D - BOARD

D2107

10 AV LINK2

Q1105

Q1106

AV LINK OUT 28

AV LINK IN 27

ST/ON 50

Q857

48 GEO

Q1900

IC 1900

GEOMAGNETIC

CORRECTION

GEO

POWER SUPPLY

REMOTE

IC1062

AGC 14

1AGC

SDA

SCL

KEYSCAN

D1061

Q1104

Q1107

4AV_LINK

IC605

9Q_SW

SWITCH

23,3SCL

3AV_LINK2

10 SERVICE

12 SDA_SW1

13 SDA_SW2

14 3,3SDA

15 SCL_SW2

VPROT 59

6 MUTE IC2301

LA42072

SCL 27

IC2303

AUDIO

SWITCH

SDA 28

SCL_SW1 6

IC1103

EAROM SDA_SC1 5

SCL 1

IC602

PORT EXP SDA 2

Q602

Q1110 Q1111

LEVEL SHIFTER

SDASCL

3,3SDA3,3SCL

Q_SW 7

SERVICE 6

10 REG_ON_OFF

DISABLE 3,5

IC851

STV8131

9DEGAUSS

DEGAUSS

Q841

1OUT

IC603

RESET

Q1062

Q608

Q2305

Q2101

HW MUTE

Generating

unit

MUTE_MONITOR

D601

FBIN 78

16 FBIN

Q603 Q604

AB_PROT1

RL801

Q2301 Q2303

D2108

Q871

DEFLECTION BLOCK DIAGRAM

IC601

MICROPROCESSOR

EW 83

H-OUT 60

IC451

VERTICAL

T553

T551

V- 84

V+ 85

Q501

Q551

Q702

GEO 48

IC1900

GEO

Q1900 1

ROTATION

COIL

D10

DEFLECTION

D - BOARD G - BOARD

6DIODE

MODULATOR

Q703 Q701

HFLB 61

VPROT 59

D601

VFLB

Q704

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