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Panasonic TX-W32R4 Service Manual
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Panasonic TX-W32R4 Service Manual

Panasonic TX-W32R4 Service Manual

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SPECIFICATIONS

Power Source:
Power Consumption:
Aerial Impedance:
Stand-by Power
Consumption:
Receiving System:
Receiving Channels:
Intermediate Frequency:
Video
Audio
Colour
Video/Audio
Terminals:
AV1 IN
AV1 OUT
AV2 IN
AV2 OUT
220-240V a.c., 50Hz
110W
75Ω unbalanced, Coaxial Type
1,8W
PAL I, PAL 525/60
M.NTSC
NTSC (AV only)
UHF E21-E69
39,5MHz
33,5MHz, 32,95MHz
35,07MHz
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 10kΩ
RGB (21 pin)
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 1kΩ
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
Video (21 pin)
1V p-p 75Ω
Audio (21 pin)
500mV rms 1kΩ
Selectable Output (21 pin)
Colour Television
EURO-4 Chassis
AV3 IN
S-Video IN
(4-pin)
Audio (RCAx2)
Video (RCAx1)
30,5kV ±1kV
High Voltage:
Picture Tube:
W76LFC185X06
Audio Output:
2 x 20W (Music Power)
8Ω Impedance
Headphones:
8Ω Impedance
3,5 mm
Accessories
supplied :
Remote Control
2 x R6 (UM3) Batteries
T.V. Stand (VS-WR4)
Dimensions:
Height:
555mm
Width:
862mm
Depth:
553mm
Net weight:
50kg
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-4 Technical Guide.
ORDER No. SM-99001
TX-W32R4
Y: 1V p-p 75Ω
C: 0,3V p-p 75Ω
500mV rms10kΩ
1V p-p 75Ω
76cm
Panasonic CS ( U.K. ) Ltd.
WILLOUGHBY ROAD,
BRACKNELL,
BERKS.,
RG12 8FT.

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Summary of Contents for Panasonic TX-W32R4

  • Page 1: Specifications

    Y: 1V p-p 75Ω (21 pin) C: 0,3V p-p 75Ω AV2 OUT Video (21 pin) 1V p-p 75Ω Audio (21 pin) 500mV rms 1kΩ Selectable Output (21 pin) 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 .................................12 REPLACEMENT PARTS LIST ..............................13 SCHEMATIC DIAGRAMS ...............................22 CONDUCTOR VIEWS................................26 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 Remove the 10 screws as shown in Fig.2. SCREWS Fig.2. LOCATION OF CONTROLS P - Board Focus M - Board Screen H - Board E - Board Y - Board Fig.3.

  • Page 4: Service Position

    HOW TO MOVE THE CHASSIS INTO SERVICE POSITION Remove the bead clamper from the mains lead and screw, using back cover screw, into top right-hand cabinet rib (A), shown in Fig.4. Hold and lift the rear of the E-PCB chassis and gently pull the chassis toward you, as shown in Fig.4. Release the respective wiring clips and rotate the chassis vertically through 90°, anti-clockwise.

  • Page 5: Adjustment Procedure And Factory Settings

    ADJUSTMENT PROCEDURE Item / Preparation Adjustments Set the +B voltage up as follows:- +B SET-UP Adjust R811 so that B2 shows 148V±1V. Receive a Greyscale signal. Confirm the following voltages. Set the controls :- ± 0,25V ± 0,25V Brightness Minimum 12 ±...

  • Page 6: Waveform Pattern Table

    WAVEFORM PATTERN TABLE Vert Drive Vert Out VFLB IC451 Pin 2 IC601 Pin 31 IC451 Pin 3 20ms 20ms 20ms H - Out H - Out H - Pulse IC601 Pin 50 IC701 Pin 5 Base Q503 64µs 64µs 64µs HFLB HFLB Video Out...

  • Page 7: Alignment Settings

    ALIGNMENT SETTINGS (The figures below are nominal and used for representative purposes only.) Alignment Function Settings / Special features H-Pos Horizontal Position Optimum setting. V-Pos Vertical Position Optimum setting. H-Amp Horizontal Amplitude Optimum setting. V-Amp Vert. Amplitude Optimum setting. E/W-Amp1 EW-amplitude Optimum setting.

  • Page 8: Block Diagrams

    VIDEO BLOCK DIAGRAM Y - BOARD E - BOARD Q906 Q908 COILS Q905 Q907 Q909 IC601 61 V IN 1 Q950 Q951 TUNER Q104 IC351 SVM OUT 34 VIDEO PROCESSOR B OUT 39 Q353 Q305 Q306 43 B IN Q105 OUTPUT 42 G IN G OUT 38...

  • Page 9: Audio Block Diagram

    AUDIO BLOCK DIAGRAM M - BOARD E - BOARD TUNER IC251 IC2101 E16A M1 AUDIO AUDIO OUTPUT PROCESSOR Q101 Q2102 DACM_R 24 Q252 Q102 47 ANA_IN1+ HEADPHONE DACM_L 25 Q2103 L 11 Q251 SC3_IN_L 37 SC3_IN_R 38 1 R OUT SC1_OUT_R 30 2 R IN SC1_IN_R 42...
  • Page 10 CONTROL BLOCK DIAGRAM E - BOARD H - BOARD TUNER IC3401 VIDEO IC2101 SWITCHING AUDIO IC601 Q3401 SDA 1 PROCESSOR VIDEO PROCESSOR SCL 1 SERVICE / TEST SDA 1 SCL 1 M - BOARD SDA 2 M2 E17 SCL 2 VPROT Q451 LOCAL...

  • Page 11: Power Supply Block Diagram

    POWER SUPPLY BLOCK DIAGRAM E - BOARD 5V SBY Q852 D867 Q254 Q253 Q855 D868 Q853 Q854 IC251 AUDIO Y - BOARD D862 OUTPUT T802 RL801 R854 T801 IC351 D801 Line T551 Filter OUTPUT 150V 200V D850 R802 Q850 DEGAUSS COIL -14V IC451...

  • Page 12: Parts Location

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

  • Page 13: Replacement Parts List

    IC251 LA4282 AUDIO OUTPUT ENG27506G TUNER IC351 TDA6103Q-N3 R.G.B. OUTPUT EUR511210 REMOTE CONTROL IC451 LA7845N VERTICAL OUTPUT TBM8E1728 PANASONIC BADGE IC601 VDP3120BPPB1 VIDEO PROCESSOR TBX8E049 POWER BUTTON IC701 TEA2031A E/W CORRECTION THT1062 CRT FIXING SCREW IC801 STRF6654LF51 POWER SUPPLY TKK8E026...
  • Page 14 Cct Ref Parts Number Description Cct Ref Parts Number Description D601 DAN217T146 DIODE Q301 BC847B TRANSISTOR D603 DAN217T146 DIODE Q302 FMY4T148 TRANSISTOR D605 DAN212KT146 DIODE Q303 BC847B TRANSISTOR D606 MA165TA5 DIODE Q304 FMY4T148 TRANSISTOR D607 MA4051 DIODE Q305 BC847B TRANSISTOR D609 1SR124-4AT82 DIODE...
  • Page 15 Cct Ref Parts Number Description Cct Ref Parts Number Description L301 TLTACT4R7K COIL ERJ6GEY0R00 S.M.CARB 0.1W L302 TLTACT4R7K COIL JA47 ERJ6GEY0R00 S.M.CARB 0.1W L451 EXCELSA35T COIL JA16 ERJ6GEY0R00 S.M.CARB 0.1W L501 EXCELSA35T COIL JA55 ERJ6GEY0R00 S.M.CARB 0.1W L580 ELC08D682E COIL JA14 ERJ6GEY0R00 S.M.CARB...
  • Page 16 Cct Ref Parts Number Description Cct Ref Parts Number Description R116 ERJ6GEYJ562 S.M.CARB 0.1W R453 ERJ6GEY0R00 S.M.CARB 0.1W R117 ERJ6GEYJ222 S.M.CARB 0.1W R454 ERJ6GEYJ752 S.M.CARB 0.1W R118 ERJ6GEYJ102 S.M.CARB 0.1W R455 ERJ6GEYJ222 S.M.CARB 0.1W R121 ERJ6GEYJ471 S.M.CARB 0.1W R456 ERJ6GEYJ104 S.M.CARB 0.1W 100K...
  • Page 17 Cct Ref Parts Number Description Cct Ref Parts Number Description R712 ERJ6GEYJ102 S.M.CARB 0.1W R1103 ERJ6GEYJ331 S.M.CARB 0.1W R801 ERC12ZGK335D SOLID 0.5W 10% R1104 ERJ6GEYJ331 S.M.CARB 0.1W R803 ERC12ZGK335D SOLID 0.5W 10% R1105 ERJ6GEYJ101 S.M.CARB 0.1W R805 ERD25TJ473 CARBON 0.25W R1106 ERJ6GEYJ104 S.M.CARB...
  • Page 18 Cct Ref Parts Number Description Cct Ref Parts Number Description R1255 ERJ6GEYJ912 S.M.CARB 0.1W R3202 ERDS1TJ151 CARBON 0.5W R1900 ERQ12HJ150 FUSIBLE 0.1W R3203 ERDS1TJ151 CARBON 0.5W R1901 ERJ6GEYJ273 S.M.CARB 0.1W R3204 ERG2FJ221 METAL R1902 ERJ6GEYJ472 S.M.CARB 0.1W R3205 ERG2FJ221 METAL R1903 ERJ6GEYJ103 S.M.CARB...
  • Page 19 Cct Ref Parts Number Description Cct Ref Parts Number Description 22pF 680nF C124 ECUV1H220JCX S.M. CAP C582 ECWF2H684J FILM 500V 10pF 8.2nF C125 ECUV1H100DCX S.M. CAP C583 ECWH15H822JN FILM 1500V 22µF 6.8µF C251 ECA1HM220GB ELECT C584 TAC4R6T682JC CERAMIC 400V 10nF 100nF C252 ECUV1H103KBX...
  • Page 20 Cct Ref Parts Number Description Cct Ref Parts Number Description 470pF C855 ECKC2H471J CERAMIC 500V C2104 ECUV1H102JCX S.M. CAP 470pF C856 ECA1AHG222B ELECT C2105 ECUV1H102JCX S.M. CAP 470pF C857 ECKC2H471J CERAMIC 500V C2106 ECUV1H102JCX S.M. CAP 470pF C858 ECEA1HGE102 ELECT C2107 ECUV1H102JCX S.M.
  • Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description 100nF C3101 ECUV1H104KBX S.M. CAP 100nF C3102 ECUV1E104KBX S.M. CAP 390pF C3111 ECUV1H391JCX S.M. CAP 270pF C3112 ECUV1H271JCX S.M. CAP 10nF C3201 ECUV1H103KBX S.M. CAP 10nF C3202 ECUV1H103KBX S.M. CAP 560pF C3203 ECUV1H561JCX...

  • Page 22: Schematic Diagrams

    SCHEMATIC DIAGRAMS FOR MODEL TX-W32R4 (EURO-4 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

    CONDUCTOR VIEWS E-BOARD TNP8EE009 TRAN’S DIODES D558 Q3601 L8 D3103 B7 D557 Q3007 M9 D3101 B7 D556 Q3001 N8 D3102 B7 D555 Q3006 N10 D2161 G9 D554 Q2304 I7 D2105 G10 D553 Q2303 M6 D2104 F9 D552 Q2301 I7 D2103 G10 D551 Q2103 I8 D2102 G9...
  • Page 29 Y - BOARD TNP8EY012 TRANSISTORS Q909 Q908 Q907 Q906 Q905 Q354 Q353 Q352 Q351 DIODES D906 D905 D904 D902 D901 D364 D363 D362 D361 D360 D359 D358 D357 D356 D355 D354 TEST POINTS TPY6 B8 TPY5 D5 TPY4 E5 TPY3 F6 TPY2 E7 TPY1 G6 IC’S...
  • Page 30 M - BOARD TNP8EM017 TRANSISTORS Q3201 Q3202 Q3203 Q3204 Q3205 Q3206 Q3207 Q3208 Q3209 Q1900 Q1061 Q1062 DIODES D3201 D3202 D3203 D1900 D1061 IC’S IC1900 IC1901 IC1061...

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