Panasonic TX-32PG30 Service Manual

Euro-7 chassis
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SPECIFICATIONS
Power Source:
220-240V a.c., 50Hz
Power Consumption:
125W
Stand-by Power
Consumption:
2.8W
Aerial Impedance:
75Ω unbalanced, Coaxial Type
Receiving System:
PAL I, PAL-525/60
M.NTSC
NTSC (AV only)
Receiving Channels:
UHF E21-E69
Intermediate Frequency:
Video/Audio
Video
39.5MHz
Audio
33.5MHz
32.95MHz (NICAM)
Colour
35.07MHz
Terminals:
AUDIO MONITOR OUT
Audio (RCAx2) 500mV rms 1kΩ
AV1 IN
Video (21 pin) 1V p-p 75Ω
Audio (21 pin) 500mV rms 10kΩ
RGB (21 pin)
AV1 OUT
Video (21 pin) 1V p-p 75Ω
Audio (21 pin) 500mV rms 1kΩ
AV2 IN
Video (21 pin) 1V p-p 75Ω
Audio (21 pin) 500mV rms 10kΩ
S-Video IN
(21-pin)
AV2 OUT
Video (21 pin) 1V p-p 75Ω
Audio (21 pin) 500mV rms 1kΩ
Selectable output (21 pin)
AV3 IN
AV4 IN
AV4 OUT
High Voltage:
Picture Tube:
Audio Output:
(Music Power)
Headphones:
Accessories
supplied :
Dimensions:
Height:
Width:
Depth:
Y: 1V p-p 75Ω
Net weight:
C: 0.3V p-p 75Ω
Specifications are subject to change without notice.
Weights and dimensions shown are approximate.
NOTE: This Service Manual should be used in conjunction with
the EURO-7 Technical guide.
ORDER No. SM-01004
Colour Television
TX-32PG30
EURO-7 Chassis
S-Video IN
Y: 1V p-p 75Ω
(4-pin)
C: 0.3V p-p 75Ω
Audio (RCAx2) 500mV rms 10kΩ
Video (RCAx1) 1V p-p 75Ω
Video (21 pin) 1V p-p 75Ω
Audio (21 pin) 500mV rms 10kΩ
S-Video IN
Y: 1V p-p 75Ω
(21-pin)
C: 0.3V p-p 75Ω
RGB (21 pin)
Video (21 pin) 1V p-p 75Ω
Audio (21 pin) 500mV rms 1kΩ
32kV ± 1kV
W76EKW10X72
Left/Right
2 x 20W
8Ω Impedance
8Ω Impedance
3.5mm
Remote Control
2 x R6 (UM3) Batteries
VS-32PG50 Video Cabinet
576mm
777mm
532mm
56kg
Panasonic CS ( U.K. ) Ltd.
WILLOUGHBY ROAD,
76cm
BRACKNELL,
BERKS.,
RG12 8FT.

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Summary of Contents for Panasonic TX-32PG30

  • Page 1 Weights and dimensions shown are approximate. Audio (21 pin) 500mV rms 1kΩ Selectable output (21 pin) NOTE: This Service Manual should be used in conjunction with the EURO-7 Technical guide. Panasonic CS ( U.K. ) Ltd. WILLOUGHBY ROAD, BRACKNELL, BERKS., RG12 8FT.
  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS................................2 SERVICE HINTS ..................................3 SERVICE POSITION.................................4 ADJUSTMENT PROCEDURE AND FACTORY SETTINGS .....................5 WAVEFORM PATTERN TABLE ...............................6 ALIGNMENT SETTINGS................................7 BLOCK DIAGRAMS ..................................8 PARTS LOCATION .................................13 REPLACEMENT PARTS LIST ..............................14 SCHEMATIC DIAGRAMS ...............................28 CONDUCTOR VIEWS................................36 SAFETY PRECAUTIONS GENERAL GUIDE LINES It is advisable to insert an isolation transformer in the Check each exposed metallic part and check the a.c.
  • Page 3: Service Hints

    SERVICE HINTS How to remove the rear cover 1. Remove the 10 screws as shown in Fig.2. SCREWS SCREWS Fig.2. LOCATION OF CONTROLS L-Board DF-Board Focus Screen DG-Board D-Board A-Board K-Board G-Board H-Board U-Board Fig.3.
  • Page 4: Service Position

    HOW TO MOVE THE CHASSIS INTO SERVICE POSITION Remove the 3 screws (B) and (C) shown in Fig.5. / Fig.6., and remove the 2 speakers from the cabinet. Affix the support strap supplied in the service pack (TZS1EK002) using a back cover screw, into the top right-hand cabinet rib (A) shown in Fig.4.
  • Page 5: Adjustment Procedure And Factory Settings

    ADJUSTMENT PROCEDURE Item / Preparation Adjusment/Confirmation +B SET-UP Confirm the following voltages. Receive a Window pattern. A - Board Set the controls :- A1 Pin2 ± 0.5V IC1252 Pin2 2.5 ± 0.25V A1 Pin12 ± 0.5V IC1251 Pin3 +0.3 / -0.2V Brightness Minimum A1 Pin16...
  • Page 6: Waveform Pattern Table

    WAVEFORM PATTERN TABLE Note: All waveforms have been taken using a standard colour bar pattern. Video Out Luminance In Vert Drive IC3001 Pin 56 IC1315 Pin 37 A44 Pin 24 10mS 64µS 32µS H - Drive Vert Out VFLB A3 Pin 10 IC451 Pin 3 IC451 Pin 6 32µS...
  • Page 7: Alignment Settings

    ALIGNMENT SETTINGS (The figures below are nominal and used for representative purposes only.) Set the Bass to maximum position, set the Treble to minimum position, 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.
  • Page 13: Parts Location

    PARTS LOCATION NOTE: The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List.
  • Page 14: Replacement Parts List

    EAB12149C2 SPEAKER (WOOFER) VS-32PG50 VIDEO CABINET EASG7DH08B2 SPEAKER (TWEETER) INSTRUCTION BOOKS ENG27511G TUNER EUR511212A REMOTE CONTROL TQB8E3140 ENGLISH TBMA060 PANASONIC BADGE I.C.s TBXA24302 POWER BUTTON D354 TL431CLPM REGULATOR THT1062 CRT FIXING SCREW IC052 AN7805FLB 5V REGULATOR TKP8E1325 AV COVER IC351...
  • Page 15 Cct Ref Parts Number Description Cct Ref Parts Number Description D844 TVSSR2KL DIODE DIODES D845 RY24V1 DIODE D003 MA3150HTX DIODE D847 ERA22-10 DIODE D004 MA3150HTX DIODE D848 PC123FY2 DIODE D010 MA152KTX DIODE D851 FMGG26S DIODE D351 ERA15-04V3 DIODE D852 MA4030LTA DIODE D352 ERA15-04V3...
  • Page 16 Cct Ref Parts Number Description Cct Ref Parts Number Description Q462 BC847B TRANSISTOR Q3006 BC857B TRANSISTOR Q463 BC847B TRANSISTOR Q3007 BC847B TRANSISTOR Q501 2SK2962TPE6 TRANSISTOR Q3071 BC847B TRANSISTOR Q521 2SK1006RF122 TRANSISTOR Q3072 BC847B TRANSISTOR Q522 2SC3311ATA TRANSISTOR Q3132 BC847B TRANSISTOR Q523 2SC3311ATA TRANSISTOR...
  • Page 17 Cct Ref Parts Number Description Cct Ref Parts Number Description L1116 TALC325T4R7M COIL L3411 EXCELDR35V COIL L1312 EXCELDR35V COIL L3412 EXCELDR35V COIL L1322 EXCELDR35V COIL L3413 EXCELDR35V COIL L2001 EXCELDR35V COIL L3414 EXCELDR35V COIL L2002 EXCELDR35V COIL L3415 EXCELDR35V COIL L2004 TLT068K991R COIL...
  • Page 18 Cct Ref Parts Number Description Cct Ref Parts Number Description LC1146 TLK212T256AL COIL JSA22 ERJ6GEY0R00 S.M.CARB 0.1W JSA27 ERJ6GEY0R00 S.M.CARB 0.1W FILTERS JSA28 ERJ6GEY0R00 S.M.CARB 0.1W L893 ELF24V032B FILTER JSA31 ERJ6GEY0R00 S.M.CARB 0.1W L894 ELF24V034A FILTER JSA33 ERJ6GEY0R00 S.M.CARB 0.1W LC1107 ELKE103FA FILTER...
  • Page 19 Cct Ref Parts Number Description Cct Ref Parts Number Description R364 ERJ6GEY0R00 S.M.CARB 0.1W R556 ERF2AKR22 WOUND 0.5W R365 ERJ6GEYJ822 S.M.CARB 0.1W R557 ERO50PKF2802 METAL 0.5W R366 ERC12GK561 SOLID 0.5W 10% R558 ERDS1TJ333 CARBON 0.5W R370 ERJ6GEYJ271 S.M.CARB 0.1W R559 ERD25TJ273 CARBON 0.25W...
  • Page 20 Cct Ref Parts Number Description Cct Ref Parts Number Description R875 ERG3FJ220H METAL R1113 ERJ3GEYJ103 S.M.CARB 0.1W R876 ERQ2CJP2R7 METAL R1114 ERJ6GEYJ102 S.M.CARB 0.1W R877 ERDS1TJ103 CARBON 0.5W R1115 ERJ6GEYJ101 S.M.CARB 0.1W R878 ERDS2TJ221T CARBON 0.5W R1116 ERJ3GEYJ153V S.M.CARB 0.1W R879 ERD25TJ102 CARBON...
  • Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description R1205 EXB38V680JV CHIP 0.063 R2050 ERJ6GEYJ223 S.M.CARB 0.1W R1209 EXB38V680JV CHIP 0.063 R2051 ERJ6GEYJ223 S.M.CARB 0.1W R1214 EXB38V680JV CHIP 0.063 R2052 ERJ6GEYJ103 S.M.CARB 0.1W R1217 EXB38V680JV CHIP 0.063 R2251 ERJ6GEYJ102 S.M.CARB 0.1W R1221...
  • Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description R2375 ERJ6GEYJ272 S.M.CARB 0.1W R3019 ERJ6GEYJ221 S.M.CARB 0.1W R2377 ERG3FJ561H METAL R3020 ERJ6GEYJ221 S.M.CARB 0.1W R2378 ERJ6GEYJ183 S.M.CARB 0.1W R3021 ERJ6GEYJ184 S.M.CARB 0.1W 180K R2383 ERJ6GEYJ332 S.M.CARB 0.1W R3022 ERJ6GEYJ221 S.M.CARB 0.1W R2384...
  • Page 23 Cct Ref Parts Number Description Cct Ref Parts Number Description 10nF R3424 ERJ6GEYJ101 S.M.CARB 0.1W C371 ECJ2VB1H103K CERAMIC 10nF R3425 ERJ8ENF75R0 S.M.CARB 0.1W C373 ECJ2VB1H103K CERAMIC R3426 ERJ6GEYJ223 S.M.CARB 0.1W C374 ECJ2VC1H070D CERAMIC 100nF R3427 ERJ6GEYJ101 S.M.CARB 0.1W C375 ECQM2104KZ FILM 250V 1.2µF...
  • Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description 270pF 470nF C715 ECKC3D271J CERAMIC C1105 ECJ2VF1C104Z CERAMIC 4.7µF 470nF C801 ECKRAE472ZE CERAMIC C1106 ECJ2VF1C104Z CERAMIC 4.7µF 470nF C802 ECKRAE472ZE CERAMIC C1107 ECJ2VF1C104Z CERAMIC 4.7µF 470nF C803 ECKRAE472ZE CERAMIC C1108 ECJ2VF1C104Z CERAMIC 4.7µF...
  • Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description 470µF 560pF C1296 ECA0JM471GB ELECT 6.3V C2306 ECJ2VB1H561K CERAMIC 470nF 470pF C1405 ECJ2VF1C104Z CERAMIC C2307 ECJ2VB1H471K CERAMIC 100nF 27pF C1455 ECJ2VB1C104K CERAMIC C2308 ECJ2VC1H270J CERAMIC 100nF 470pF C1456 ECJ2VB1C104K CERAMIC C2309 ECJ2VB1H471K CERAMIC...
  • Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description 0R1µF 100µF C2397 EEANA1E1R0B CERAMIC C3035 ECA1HM101GB ELECT 1000µF 1µF C2398 ECA1CM102B ELECT C3043 TACCN0J105KT CERAMIC 6.3V 10nF 1µF C2399 ECJ2VB1H103K CERAMIC C3044 TACCN0J105KT CERAMIC 6.3V 1µF 1µF C2424 ECEA1HN010 ELECT C3045 TACCN0J105KT...
  • Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description 330nF C4803 ECQV1H334JL3 FILM 330nF C4804 ECQV1H334JL3 FILM 470nF C4805 ECJ2VF1C104Z CERAMIC 10nF C4806 ECJ2VB1H103K CERAMIC 4.7µF C4807 ECA1HM4R7GB ELECT 4.7µF C4808 ECA1HM4R7GB ELECT 10nF C4809 ECJ2VB1H103K CERAMIC 820pF C*** ECKC3D821JB CERAMIC TERMINALS AND LINKS...
  • Page 28: Schematic Diagrams

    SCHEMATIC DIAGRAMS FOR MODEL TX-32PG30 (EURO-7 CHASSIS) IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturer's specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise.
  • Page 38: Conductor Views

    CONDUCTOR VIEWS DF – BOARD TNPA1806...
  • Page 39 A – BOARD TNPH0348...
  • Page 40 TNPA1724 H - BOARD...
  • Page 41 A – BOARD TNPH0348...
  • Page 42 L – BOARD TNPA1726...
  • Page 43 D – BOARD TNPH0349...
  • Page 44 G – BOARD TNPA1728...
  • Page 45 K – BOARD TNPA1729...
  • Page 46 NOTES...
  • Page 47 NOTES...

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