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Panasonic TX-G10/C Service Manual

Portable colour television
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TX-G10/C Service Manual
Safety
Specifications
Parts List
Service
Information
Adjustments
Self Check
Service Hints
Mechanical
View
Disassembly
Location of
Controls
Waveforms
Block Diagrams
Schematic Diagrams
PCB Views
Service Support
Service and repair of
this product is
supported by
Panasonic's LUCI
interface.
This interface provides a
link between the TV and
a standard PC to allow a
number of diagnostic
and control functions to
be performed.
For more details contact
your local Panasonic
company.
EXIT
BACK

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Summary of Contents for Panasonic TX-G10/C

  • Page 1 TX-G10/C Service Manual Safety Service Support Specifications Service and repair of Block Diagrams this product is Parts List supported by Panasonic's LUCI Service interface. Information This interface provides a Adjustments link between the TV and a standard PC to allow a...
  • Page 2 Audio Control Power supply Video BACK E - PCB Q - PCB E - Schematic Q - Schematic Y - PCB Y - Schematic BACK BACK...

  • Page 3: Specifications

    ORDER No. SM-98066 Portable Colour Television TX-G10/C AC1 Chassis SPECIFICATIONS AV2 IN Audio (RCAx1) 500mV rms10kΩ Power Source: 220-240V a.c., 50Hz Video (BNCx1) 1V p-p 75Ω 12-24V d.c. AV2 OUT Audio Monitor Out Power Consumption: Video Monitor Out Aerial Impedance: 75Ω...

  • Page 4: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS................................2 SERVICE HINTS ..................................3 SERVICE POSITION.................................4 ADJUSTMENT PROCEDURE..............................5 WAVEFORM PATTERN TABLE ...............................6 ALIGNMENT SETTINGS................................7 BLOCK DIAGRAMS ..................................8 PARTS LOCATION .................................12 REPLACEMENT PARTS LIST ..............................13 SCHEMATIC DIAGRAMS ...............................22 CONDUCTOR VIEWS................................25 SAFETY PRECAUTIONS GENERAL GUIDE LINES It is advisable to insert an isolation transformer in the The potential at any point should not exceed a.c.

  • Page 5: Service Hints

    SERVICE HINTS How to remove the rear cover 1. Remove the 7 screws as shown in Fig.2. 2. Push clips (A) and elevate lid. 3. Remove the 2 screws as shown in Fig.3. Clips SCREWS SCREWS Fig.2. Fig.3. LOCATION OF CONTROLS Y - Board Focus Screen...

  • Page 6: Service Position

    HOW TO MOVE THE CHASSIS INTO SERVICE POSITION 1. Remove the backcover screws and clips as shown in Fig.2 and Fig.3 (page3.). 2. Release chassis from right-hand chassis rail and partially withdraw. 3. Rotate, clockwise, the whole T.V. vertically through 90º. 4.

  • Page 7: Adjustment Procedure

    ADJUSTMENT PROCEDURE Item / Preparation Adjustments Confirm the following voltages. +B SET-UP Receive a Greyscale signal. TPE2 ± 4V TPE3 ± 0,5V Set the controls :- TPE4 ± 0,7V TPE11 ± 10V Brightness Minimum TPE6 ± 0,3V TPE10 23,5 ± 1,5V TPE5 ±...

  • Page 8: Waveform Pattern Table

    WAVEFORM PATTERN TABLE NOTE: All waveforms have been taken using a standard colour bar pattern. Vert Drive VFLB Input Vert Out I.C. IC451 Pin 2 IC451 Pin 3 IC451 Pin 4 20mS 20mS 20mS H - Out Video In Video Out IC601 Pin 13 IC3001 Pin 20 IC3001 Pin 16...

  • Page 9: Alignment Settings

    ALIGNMENT SETTINGS 1. To place the TV into Service Mode, set the Sharpness to minimum position, place set in program position 60, press the down button (v) on the customer controls at the front of the TV and at the same time press the Off Timer button on the remote control.

  • Page 10: Block Diagrams

    VIDEO BLOCK DIAGRAM Q - BOARD E - BOARD IC3001 AV2 In 3 20 TV In Video TUNER Switch C Out 14 Q3007 18 EXT Out IC601 V Out/Y Out 13 IC603 Q3006 16 TV Out C In 6 Q501 38 CVBS Delay EXT In/C In 34...

  • Page 11: Audio Block Diagram

    AUDIO BLOCK DIAGRAM Q - BOARD E - BOARD TUNER JK3003 Q3021 Q3020 IC3003 X101 3 AM In D101 IC601 AV2 In 2 Switching FM Out 48 3 FM In X102 I.C. D102 Audio In 47 15 Audio Out X103 Audio/ Video AM/FM Out 4...
  • Page 12 CONTROL BLOCK DIAGRAM Q - BOARD E - BOARD TUNER IC3001 Selected D104 Q101 Audio Video To Pin 2 L/L’ Pos/Neg Switching IC601 2 SDA D101 4 SCL D103 Q1213 IC1201 IC1204 L/L’ 43 Pos/Neg 41 Remote 2 SDA Rec. JK3101 Rem In 44 Q1201...

  • Page 13: Power Supply Block Diagram

    POWER SUPPLY BLOCK DIAGRAM E - BOARD Q - BOARD D856 D863 D876 Q854 Q852 T802 RL801 F3801 AC In L3801 240V D801 S801 F3851 DC In R3822 12-24V IC1203 IC1204 IC1202 IC1201 Local Remote Micro Q3854 Earom Keys Receiver Processor IC3851 Q3851...

  • Page 14: Parts Location

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

  • Page 15: Replacement Parts List

    REPLACEMENT PARTS LIST Important Safety Notice Components Identified by mark have special characteristics important for safety. * When replacing any of these components, use only manufacturers specified parts. In case of ordering these spare parts, please always add the complete Model-Type number to your order.
  • Page 16 Cct Ref Parts Number Description Cct Ref Parts Number Description D601 MA165TA5 DIODE Q253 BC847B TRANSISTOR D801 RBV4-08 DIODE Q340 BC847B TRANSISTOR D805 1SR124-4AT82 DIODE Q351 2SC1473-RN TRANSISTOR Q352 2SC1473-RN TRANSISTOR D806 1SR124-4AT82 DIODE D807 1SR124-4AT82 DIODE Q353 2SC1473-RN TRANSISTOR D808 1SR124-4AT82 DIODE...
  • Page 17 Cct Ref Parts Number Description Cct Ref Parts Number Description L010 EXCELSA35T COIL JA30 ERJ6GEY0R00 S.M.CARB 0.1W L011 EXCELSA35T COIL JA30 ERJ8GEY0R00 S.M.CARB .125W L012 TLTACT150K COIL JA31 ERJ8GEY0R00 S.M.CARB .125W L101 TLTACT4R7K COIL JA32 ERJ8GEY0R00 S.M.CARB .125W L451 EXCELSA35T COIL JA33 ERJ8GEY0R00...
  • Page 18 Cct Ref Parts Number Description Cct Ref Parts Number Description R372 ERJ6GEYJ103 S.M.CARB 0.1W R609 ERJ6GEYJ103 S.M.CARB 0.1W R373 ERJ6GEYJ391 S.M.CARB 0.1W R610 ERJ6GEYJ223 S.M.CARB 0.1W R374 ERJ6GEYJ103 S.M.CARB 0.1W R611 ERJ6GEYJ475 S.M.CARB 0.1W R375 ERDS1TJ152 CARBON 0.5W R802 ERDS1TJ224 CARBON 0.5W 220K...
  • Page 19 Cct Ref Parts Number Description Cct Ref Parts Number Description R1233 ERJ6GEYJ101 S.M.CARB 0.1W R3018 ERJ6GEYJ181 S.M.CARB 0.1W R1234 ERJ6GEYJ562 S.M.CARB 0.1W R3020 ERJ6GEYJ470 S.M.CARB 0.1W R1235 ERJ6GEYJ101 S.M.CARB 0.1W R3021 ERJ6GEYJ104 S.M.CARB 0.1W 100K R1236 ERJ6GEYJ562 S.M.CARB 0.1W R3022 ERJ6GEYJ104 S.M.CARB 0.1W...
  • Page 20 Cct Ref Parts Number Description Cct Ref Parts Number Description 10nF C011 ECUV1H103KBX S.M. CAP R3088 ERJ6GEYJ512 S.M.CARB 0.1W 10pF R3089 ERJ6GEYJ563 S.M.CARB 0.1W C012 ECUV1H100CCX S.M. CAP 10pF R3090 ERJ6GEYJ183 S.M.CARB 0.1W C013 ECUV1H100CCX S.M. CAP 100µF R3091 ERJ6GEYJ243 S.M.CARB 0.1W C014...
  • Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description 1µF 100nF C502 ECEA1HN010 ELECT C864 ECUV1H104ZFX S.M. CAP 390pF 100µF C503 ECUV1H391JCX S.M. CAP C865 ECA1HM101GB ELECT 390pF 100nF C504 ECEA1HN2R2 ELECT C866 ECUV1H104ZFX S.M. CAP 390pF 100µF C551 ECKC3D821JB CERAMIC C867...
  • Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description 100nF C3033 ECUV1H104ZFX S.M. CAP 100nF C3034 ECUV1H104ZFX S.M. CAP 120pF C3036 ECUV1H121JCX S.M. CAP 120pF C3037 ECEA1HN2R2 ELECT 120pF C3038 ECEA1HN2R2 ELECT 10µF C3039 ECA1HM100GB ELECT 10µF C3040 ECEA1HN2R2 ELECT 10µF C3041...
  • Page 23 NOTES...

  • Page 24: Schematic Diagrams

    SCHEMATIC DIAGRAMS FOR MODEL TX-G10/C (AC1 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 28 CONDUCTOR VIEWS E - BOARD TNP8EE010 TRANS TPE4 D5 Q010 D554 TPE5 D4 Q040 D555 TPE6 C3 Q101 D556 TPE7 C2 Q251 D557 TPE8 E7 Q252 D559 TPE8 E7 Q253 D560 TPE9 D6 Q401 D561 TPE10 D7 Q402 D801 TPE11 D6 Q451 D805 TPE12 D6...
  • Page 29 Q - BOARD TNP8EQ001 DIODES D3001 C4 TPQ22 A4 D3003 E2 TPQ23 B4 D3004 E4 TPQ24 B4 D3005 B1 TPQ25 B4 D3006 E4 TPQ26 B4 D3007 E4 TPQ27 E2 D3008 E4 TPQ28 E2 D3010 B4 I.C.’s D3011 A4 IC3001 C4 D3012 B4 IC3002 E1 D3013 B4...
  • Page 30 Y - BOARD TNP8EY014 DIODES D351 D352 D353 D354 TP’S TPY1 A1 TPY2 B2 TPY3 A1 TPY4 B2 TPY5 A2 TPY6 B1 TRAN’S Q351 Q352 Q353 Q354...

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