Panasonic TX-29PX20D Service Manual

Panasonic TX-29PX20D Service Manual

Euro- 9s chassis
Hide thumbs Also See for TX-29PX20D:

Advertisement

Service Manual
SPECIFICATIONS
Power Source:
220-240V a.c., 50Hz
Power Consumption:
107W
Stand-by Power
Consumption:
0,6W
Aerial Impedance:
75Ω unbalanced, Coaxial Type
Receiving System:
PAL-I, B/G, D/K, PAL-525/60
SECAM B/G, D/K, L/L'
M.NTSC (AV only)
NTSC (AV only)
Receiving Channels:
VHF E2-E12
VHF H1-H2 (ITALY)
VHF A-H (ITALY)
VHF R1-R2
VHF R3-R5
VHF R6-R12
UHF E21-E69
CATV (S01-S05)
CATV S1-S10 (M1-M10)
CATV S11-S20 (U1-U10)
CATV S21-S41 (HYPERBAND)
Intermediate Frequency:
Video/Audio
Video
38,9MHz, 33,9MHz
Sound
33,4MHz (B/G), 33,16MHz (A2)
33,05MHz (NICAM B/G,D/K,L)
32,4MHz (D/K),32,66MHz (CZ STEREO)
40,4MHz (L'), 39,75MHz (L'NICAM)
Colour
34,47MHz (PAL)
34,5MHz, 34,65MHz (SECAM)
38,3MHz, 38,15MHz (SECAM L')
Terminals:
AUDIO MONITOR OUT
Audio (RCAx2) 500mV rms 1kΩ
AV1 IN
Video (21 pin)
Audio (21 pin)
RGB (21 pin)
AV1 OUT
Video (21 pin)
Audio (21 pin)
AV2 IN
AV2 OUT
AV3 IN
AV4 IN
AV4 OUT
AV4C IN
High Voltage:
Picture Tube:
Audio Output:
Headphones:
Accessories
supplied :
1V p-p 75Ω
500mV rms 10kΩ
Dimensions:
0,7V p-p 75Ω
Height:
1V p-p 75Ω
Width:
500mV rms 1kΩ
Depth:
Net weight:
Specifications are subject to change without notice.
Weights and dimensions shown are approximate.
ORDER No. 03-SM-014
Colour Television
TX-29PX20D
TX-29PX20F
TX-29PX20P
EURO- 9S Chassis
Video (21 pin)
Audio (21 pin)
S-Video IN
(21-pin)
Video (21 pin)
Audio (21 pin)
S-Video IN
(4-pin)
Audio (RCAx2)
Video (RCAx1)
Video (21 pin)
Audio (21 pin)
RGB (21 pin)
S-Video IN
(21-pin)
Video (21 pin)
Audio (21 pin)
Video (RCAx3)
30,5kV ± 1kV
A68ELO50X71
2x10W RMS, 2x20W MPO,
8Ω impedance
8Ω Impedance
Remote Control
2 x R6 (UM3) Batteries
586mm
781mm
531mm
49,5kg
1V p-p 75Ω
500mV rms 10kΩ
Y: 1V p-p 75Ω
C:0,3V p-p 75Ω
1V p-p 75Ω
500mV rms 1kΩ
Y: 1V p-p 75Ω
C:0,3V p-p 75Ω
500mV rms 10kΩ
1V p-p 75Ω
1V p-p 75Ω
500mV rms 10kΩ
0,7V p-p 75Ω
Y: 1V p-p 75Ω
C:0,3V p-p 75Ω
1V p-p 75Ω
500mV rms 1kΩ
Y:1V p-p 75Ω
Pb, Pr: 0,7V p-p 75Ω
68cm

Advertisement

Table of Contents
loading

Summary of Contents for Panasonic TX-29PX20D

  • Page 1 ORDER No. 03-SM-014 Service Manual Colour Television TX-29PX20D TX-29PX20F TX-29PX20P EURO- 9S Chassis SPECIFICATIONS Power Source: 220-240V a.c., 50Hz AV2 IN Video (21 pin) 1V p-p 75Ω Audio (21 pin) 500mV rms 10kΩ Power Consumption: 107W S-Video IN Y: 1V p-p 75Ω...
  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ................................. 2 SERVICE HINTS ..................................3 ADJUSTMENT PROCEDURE AND SELF-CHECK ........................4 WAVEFORM PATTERN TABLE............................... 5 ALIGNMENT SETTINGS ................................6 BLOCK DIAGRAMS.................................. 7 PARTS LOCATION................................. 12 REPLACEMENT PARTS LIST..............................13 SCHEMATIC DIAGRAMS............................... 26 CONDUCTOR VIEWS ................................30 SAFETY PRECAUTION GENERAL GUIDE LINES It is advisable to insert an isolation transformer in the...
  • Page 3: Service Hints

    SERVICE HINTS How to remove the rear cover 1. Remove the 9 screws as shown in Fig.2. SCREWS SCREWS Fig. 2 LOCATION OF CONTROLS H-Board A-Board L-Board Focus Screen D-Board G-Board Fig. 3...
  • Page 4: Adjustment Procedure And Self-Check

    TV set. To exit Self Check, switch off the TV set at the power button. O.K. **** O.K. O.K. AVSW O.K. O.K. O.K. TX-29PX20D TX-29PX20F TX-29PX20P OPTION 1 OPTION 2 OPTION 3 OPTION 4 OPTION 5 OPTION 6...
  • Page 5: Waveform Pattern Table

    WAVEFORM PATTERN TABLE CONDITIONS: CONTRAST...MAX, BRIGHTNESS...MID, COLOUR...MID, SHARPNESS...MID...
  • Page 6: 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, 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.
  • Page 7: Block Diagrams

    AV3 CVBS AV3 Y AV3 C TUNER CVBS...
  • Page 8 HEADPHONE SPKR OUT L IC2351 NJM4556AD SPKR OUT R OP. AMPLIFIER HP L HP L HP L HP R HP R HP R...
  • Page 9 LED SBY ROTATION RC SIG SDA3 SDA1 SCL1 SDA2 SMUTE2 SCL2 AUDIO MUTE SCL3 RST MAIN KEYSCAN RC SIG LED SBY ROTATION AV LINK IN AV LINK OUT YUV SW...
  • Page 10 VERT DY HORIZ DY...
  • Page 11 POWER BUS SB2,5V 3,3V SB5V IC1501 VIDEO SB3,3V 65,66 11,12,13 POWER BUS POWER BUS MAINS IN DEGAUSS COIL...
  • Page 12: Parts Location

    PARTS LOCATION NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.
  • Page 13: Replacement Parts List

    SE130N ERROR AMPLIFIER KFT7CM446F1 ANODE LEAD IC1101 SDA6000-A23 MICRO PROCESSOR TADF4-301B TUNER IC1102 EDF2/040/0F 8MEG FLASH 29LV800BTC7 TBM0E0101 PANASONIC BADGE IC1103 PST9128NR SYSTEM RESET TBX0E80700 POWER BUTTON IC1105 C0EAH0000105 MOS LOGI IC THT1062 CRT FIXING SCREW IC1106 C3ABPG000102 64M SDRAM...
  • Page 14 Cct Ref Parts Number Description Cct Ref Parts Number Description D376 1SS355TE-17 DIODE D897 1SR124-4AT82 DIODE D377 1SS355TE-17 DIODE D899 MTZJT-7736A DIODE D378 1SS355TE-17 DIODE D910 R2KNLFA1 DIODE D387 MA2160LFS DIODE D1001 LNH201RFCF6 L.E.D. D454 EU02V0 DIODE D1004 MTZJT-778.2C DIODE D456 MTZJT-775.6C DIODE...
  • Page 15 Cct Ref Parts Number Description Cct Ref Parts Number Description Q853 BC847B TRANSISTOR Q3006 BC857B TRANSISTOR Q854 BC847B TRANSISTOR Q3007 BC847B TRANSISTOR Q855 BC847B TRANSISTOR Q3008 BC847B TRANSISTOR Q856 BC847B TRANSISTOR Q3009 BC847B TRANSISTOR Q893 2SA1018QTA TRANSISTOR Q3010 BC847B TRANSISTOR Q894 BC847B TRANSISTOR...
  • Page 16 Cct Ref Parts Number Description Cct Ref Parts Number Description L3078 ELESN2R2KA COIL JA13 ERJ8GEY0R00V S.M.CARB 0.125 0 Ω L3201 ELEBR6R8KA COIL JA14 ERJ8GEY0R00V S.M.CARB 0.125 0 Ω L3202 ELEBR6R8KA COIL JA15 ERJ8GEY0R00V S.M.CARB 0.125 0 Ω L3203 EXCELSA35T COIL JA16 ERJ6GEY0R00V S.M.CARB...
  • Page 17 Cct Ref Parts Number Description Cct Ref Parts Number Description R260 ERJ6GEYJ121V S.M.CARB 0.1W 120 Ω R569 ERJ6GEYJ102V S.M.CARB 0.1W 1K Ω R261 ERJ6GEYJ152V S.M.CARB 0.1W 1K5 Ω R578 ERQ12HKR39P FUSIBLE 0.5W 10% R39 Ω R262 ERJ6GEYJ152V S.M.CARB 0.1W 1K5 Ω R581 ERG3FJ561H METAL...
  • Page 18 Cct Ref Parts Number Description Cct Ref Parts Number Description R914 ERJ6GEYJ331V S.M.CARB 0.1W 330 Ω R1141 ERJ3GEYJ101V S.M.CARB 0.1W 100 Ω R918 ERJ6GEY0R00V S.M.CARB 0.1W 0 Ω R1142 ERJ3GEYJ221V S.M.CARB 0.1W 220 Ω R921 ERJ6GEY0R00V S.M.CARB 0.1W 0 Ω R1144 ERJ3GEYJ472V S.M.CARB...
  • Page 19 Cct Ref Parts Number Description Cct Ref Parts Number Description R1272 ERJ6GEY0R00V S.M.CARB 0.1W 0 Ω R1745 ERJ6GEYJ471V S.M.CARB 0.1W 470 Ω R1273 ERJ6GEY0R00V S.M.CARB 0.1W 0 Ω R1746 ERJ3GEYJ472V S.M.CARB 0.1W 4K7 Ω R1278 ERJ6GEY0R00V S.M.CARB 0.1W 0 Ω R1747 ERJ3GEYJ102V S.M.CARB...
  • Page 20 Cct Ref Parts Number Description Cct Ref Parts Number Description R2023 ERJ6GEYJ222V S.M.CARB 0.1W 2K2 Ω R3033 ERJ6ENF9101V S.M.CARB 0.1W 9K1 Ω R2024 ERJ6GEY0R00V S.M.CARB 0.1W 0 Ω R3034 ERJ3GEYJ391V S.M.CARB 0.1W 390 Ω R2025 ERJ6GEYJ562V S.M.CARB 0.1W 5K6 Ω R3035 ERJ3GEYJ391V S.M.CARB...
  • Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description R3208 ERDS1TJ151T CARBON 0.5W 150 Ω C355 ECKR2H102KB5 CERAMIC 500V R3212 ERJ6GEYJ101V S.M.CARB 0.1W 100 Ω C358 ECJ2VC1H222J S.M.CAP 2.2nF R3213 ERJ6GEYJ101V S.M.CARB 0.1W 100 Ω C359 ECJ2VC1H030C S.M.CAP R3214 ERJ6GEYJ153V S.M.CARB 0.1W...
  • Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description C804 222233820154 FILM 275V 150nF C1116 ECJ1VF1E104Z S.M.CAP 100nF C806 ECKWNA101MB CERAMIC 400V 100pF C1117 ECJ1VF1E104Z S.M.CAP 100nF C807 ECKW2H472PU7 CERAMIC 500V 4.7nF C1118 ECJ1VB1H472K S.M.CAP 4.7nF C808 ECKW2H472PU7 CERAMIC 500V 4.7nF C1119...
  • Page 23 Cct Ref Parts Number Description Cct Ref Parts Number Description C1508 ECJ2VF1C105Z S.M.CAP 1µF C1719 ECJ1VB1H103K S.M.CAP 10nF C1509 ECJ2VF1C105Z S.M.CAP 1µF C1720 ECJ1VB1H103K S.M.CAP 10nF C1510 ECJ1VF1E104Z S.M.CAP 100nF C1721 ECJ1VB1H103K S.M.CAP 10nF C1511 ECJ1VF1E104Z S.M.CAP 100nF C1722 ECJ1VB1H103K S.M.CAP 10nF C1512...
  • Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description C2034 ECJ2VC1H010C S.M.CAP C3051 ECJ2VF1C105Z S.M.CAP 1µF C2035 ECJ2VC1H010C S.M.CAP C3052 ECJ2VF1C105Z S.M.CAP 1µF C2037 ECA1CM102B ELECT 1000µF C3053 ECJ2VF1C105Z S.M.CAP 1µF C2038 ECA1CM471B ELECT 470µF C3054 ECJ2VF1C105Z S.M.CAP 1µF C2039 ECJ2VB1H103K S.M.CAP...
  • Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description C3801 ECJ2FB1H104K S.M.CAP 100nF DIFFERENCES FOR MODEL TX--29PX20P C3802 ECA1CM221B ELECT 220µF C3803 ECJ2FB1H104K S.M.CAP 100nF C3804 ECA1CM470B ELECT 47µF EXPLODED VIEW C3806 ECA1HM101B ELECT 100µF TBM0E0095 MODEL LABEL C3807 ECA1AHG332B ELECT 3.3nF...
  • Page 26: Schematic Diagrams

    SCHEMATIC DIAGRAMS FOR MODELS TX-29PX20D, TX-29PX20F, TX-29PX20P (EURO-9S CHASSIS) IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturers' specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise.
  • Page 32 CONDUCTOR VIEWS FOR MODELS TX-29PX20D, TX-29PX20F, TX-29PX20P G - BOARD TNP8EG005 TRAN’S D3201 Q1002 D3202 Q1901 D3204 Q1902 D801 Q1903 D807 Q1904 D808 Q1905 D809 Q2351 D811 Q2352 D812 Q2353 D815 Q2354 D854 Q853 D860 Q854 D861 Q855 D862 Q856...
  • Page 33 D - BOARD TNP8ED005 TRAN’S D706 Q101 D707 Q102 D710 Q103 D711 Q106 D712 Q109 D713 Q2001 D714 Q2002 D841 Q2003 D843 Q2004 D844 Q2005 D847 Q2006 D848 Q251 D870 Q252 D871 Q253 D884 Q254 D887 Q3802 D888 Q503 D889 Q551 D890 D891...
  • Page 34 H - BOARD TNP8EH008 - TOP H - BOARD TNP8EH008 - BOTTOM TRAN’S Q3018 E4 TRAN’S Q3007 Q3014 Q1801 E3 Q1802 Q3008 Q3016 Q3000 B4 IC‘S Q3003 Q3009 Q3017 Q3001 B4 IC3001 E3 Q3004 Q3010 Q3301 Q3015 D2 IC3301 E2 Q3005 Q3011 Q3006...
  • Page 35 A - BOARD TNP8EA007 - BOTTOM A - BOARD TNP8EA007 - TOP TRAN’S Q1115 TRAN’S Q1708 DIODE IC1102 A4 IC1503 Q1101 Q1116 Q1106 Q1710 D1101 IC1103 A5 IC1701 Q1102 Q1703 Q1113 Q1712 D1104 IC1104 TP’S Q1104 Q1704 Q1125 Q1713 D1701 IC1105 D3 TPA1 Q1108...
  • Page 36 NOTES L - BOARD TNP8EL020 TRAN’S DIODE D371 C1 IC361 Q3352 D3351 C4 D372 C2 IC371 Q351 D3352 C4 D376 TP’S Q361 D3353 A4 D377 B4 TPL1 Q371 D3354 D2 D378 C2 TPL2 Q906 D351 D3 D387 B3 TPL3 Q907 D352 D3 D910 A2 TPL4...
  • Page 37 NOTES...

This manual is also suitable for:

Tx-29px20fTx-29px20p

Table of Contents