Panasonic TX-29AK1P Service Manual
Panasonic TX-29AK1P Service Manual

Panasonic TX-29AK1P Service Manual

Euro-4 chassis
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SPECIFICATIONS

Power Source:
220-240V a.c., 50Hz
Power Consumption:
150W
Stand-by Power
Consumption:
1,4W
Aerial Impedance:
75Ω unbalanced, Coaxial Type
Receiving System:
PAL B/G, H, D/K, PAL-525/60
SECAM B/G, D/K
M.NTSC
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
Audio
33,16MHz, 33,4MHz
32,4MHz (A2 Stereo)
33,05MHz (NICAM)
32,66MHz, 32,4MHz (Czech Stereo)
Colour
34,47MHz (PAL)
34,5MHz, 34,65MHz (SECAM)
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
Colour Television
TX-29AK1P
EURO-4 Chassis
AV2 IN
Video (21 pin)
Audio (21 pin)
S-Video IN
(21-pin)
AV2 OUT
Video (21 pin)
Audio (21 pin)
Selectable output (21 pin)
AV3 IN
Audio (RCAx2)
Video (RCAx1)
30,5kV ±1kV
High Voltage:
Picture Tube:
M68LQK185X06
Audio Output:
2 x 20W (Music Power)
8Ω Impedance
Headphones:
8Ω Impedance
3,5 mm
Accessories
supplied :
Remote Control
2 x R6 (UM3) Batteries
Dimensions:
Height:
568mm
Width:
688mm
Depth:
492mm
Net weight:
47kg
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-99056
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
500mV rms 10kΩ
1V p-p 75Ω
68cm

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Summary of Contents for Panasonic TX-29AK1P

  • Page 1: Specifications

    ORDER No. SM-99056 Colour Television TX-29AK1P EURO-4 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: 150W S-Video IN Y: 1V p-p 75Ω (21-pin) C:0,3V p-p 75Ω...
  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS................................2 SERVICE HINTS ..................................3 SERVICE POSITION.................................4 ADJUSTMENT PROCEDURE AND SELF-CHECK ........................5 WAVEFORM PATTERN TABLE ...............................6 ALIGNMENT SETTINGS................................7 BLOCK DIAGRAMS ..................................8 PARTS LOCATION .................................12 REPLACEMENT PARTS LIST ..............................13 SCHEMATIC DIAGRAMS ...............................23 CONDUCTOR VIEWS................................28 SAFETY PRECAUTION 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 9 screws as shown in Fig.2. Screws A Screws A SCREWS Fig.2. LOCATION OF CONTROLS Y-Board V-Board Q-Board M-Board N-Board H-Board Z-Board E-Board P-Board Screen Focus Fig.3.
  • Page 4: How To Move The Chassis Into Service Position

    HOW TO MOVE THE CHASSIS INTO SERVICE POSITION 1. Remove the bead clamper from the mains lead and affix, using back cover screw, into top right-hand cabinet rib (A), shown in Fig.3. 2. Remove 2 screws (B), as shown in Fig.4, and remove speaker assembly. 3.
  • Page 5: Adjustment Procedure And Self-Check

    ADJUSTMENT PROCEDURE Item / Preparation Adjustments +B SET-UP 1. Set the +B voltage up as follows:- Adjust R811 so that B2 shows 148V±1V Receive a Greyscale signal. 2. Confirm the following voltages. Set the controls :- ± 0,25V ± 0,25V ±...
  • Page 6: Waveform Pattern Table

    WAVEFORM PATTERN TABLE Vert Drive VFLB Vert Out IC451 Pin 2 IC451 Pin 3 IC601 Pin 31 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 Q104 IC351 SVM OUT 34 VIDEO PROCESSOR B OUT 39 Q353 43 B IN Q105 OUTPUT 42 G IN G OUT 38 Q303 Q304...
  • Page 9: Audio Block Diagram

    AUDIO BLOCK DIAGRAM Z - BOARD L MIC IC2221 IC2201 R MIC M - BOARD E - BOARD E16A IC251 IC2101 AUDIO AUDIO Q252 TUNER PROCESSOR OUTPUT L 11 DACM_R 24 Q2102 Q251 DACM_L 25 Q2103 HEADPHONE Q103 X101 SC3_IN_L 37 44 MONO IN SC3_IN_R 38 X102...
  • Page 10 CONTROL BLOCK DIAGRAM H - BOARD E - BOARD TUNER IC3401 L/L’ POS/NEG VIDEO IC2101 SWITCHING AUDIO IC601 SDA 1 PROCESSOR VIDEO PROCESSOR SCL 1 SERVICE / TEST V - BOARD SDA 1 SCL 1 SDA 2 N - BOARD SCL 2 VPROT IC1051...
  • Page 11: Power Supply Block Diagram

    POWER SUPPLY BLOCK DIAGRAM E - BOARD N - BOARD 5V SBY Q852 D867 Q855 D868 Q853 Q854 IC251 AUDIO D862 T802 RL801 R854 OUTPUT T801 D801 Line S840 F802 Filter 150V D850 Y - BOARD Line R802 T551 Filter Q850 Degauss Coil IC351...
  • 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

    RIGHT SPEAKER RL801 TSE1885-1 RELAY ENG29505GR TUNER S351 0330550049 C.R.T. SOCKET EUR511200 REMOTE CONTROL INSTRUCTION BOOKS M68LQK185X06 C.R.T. TBMA059 PANASONIC BADGE TQB8E2808MN1 BULG./ROMANIAN TBXA20001 POWER BUTTON TQB8E2808PQ1 POLISH/HUNGARIAN THT1062 CRT FIXING SCREW TQB8E2808RU1 CZECH/ENGLISH TKP8E1297 DOOR LID LEFT I.C.s TKP8E1298...
  • Page 14 Cct Ref Parts Number Description Cct Ref Parts Number Description D363 MA165TA5 DIODE D1104 MA165TA5 DIODE D364 MA165TA5 DIODE D1105 MA165TA5 DIODE D453 MA165TA5 DIODE D2101 MA723TA5 DIODE D454 ERA15-02V3 DIODE D2102 MA723TA5 DIODE D456 MTZJT-775.6C DIODE D2103 MA723TA5 DIODE D457 MA165TA5 DIODE...
  • Page 15 Cct Ref Parts Number Description Cct Ref Parts Number Description Q2303 BC847B TRANSISTOR L3005 ELEBR2R2KA COIL Q2304 BC857B TRANSISTOR L3006 ELEBR2R2KA COIL Q3001 BC847B TRANSISTOR L3007 TLTACT2R2K COIL Q3006 BC847B TRANSISTOR L3201 ELEBR6R8KA COIL Q3007 BC847B TRANSISTOR L3202 ELEBR6R8KA COIL Q3201 BC847B TRANSISTOR...
  • Page 16 Cct Ref Parts Number Description Cct Ref Parts Number Description JA53 ERJ8GEY0R00 S.M.CARB .125W R309 ERJ6GEYJ391 S.M.CARB 0.1W JA54 ERJ6GEY0R00 S.M.CARB 0.1W R310 ERJ6GEYJ102 S.M.CARB 0.1W JA55 ERJ6GEY0R00 S.M.CARB 0.1W R311 ERJ6GEYJ750 S.M.CARB 0.1W JA56 ERJ8GEY0R00 S.M.CARB .125W R312 ERJ6GEYJ331 S.M.CARB 0.1W JA57...
  • Page 17 Cct Ref Parts Number Description Cct Ref Parts Number Description R608 ERJ6GEYJ271 S.M.CARB 0.1W R874 ERD25TJ104 CARBON 0.25W 100K R609 ERJ6GEYJ122 S.M.CARB 0.1W R876 ERJ6GEYJ103 S.M.CARB 0.1W R610 ERJ6GEY0R00 S.M.CARB 0.1W R877 ERW2PKR47 WOUND 2W 10% R611 ERJ6GEYJ103 S.M.CARB 0.1W R878 ERJ6GEYJ473 S.M.CARB...
  • Page 18 Cct Ref Parts Number Description Cct Ref Parts Number Description R1131 ERJ6GEYJ103 S.M.CARB 0.1W R2201 ERJ6GEYJ393 S.M.CARB 0.1W R1132 ERJ6GEYJ101 S.M.CARB 0.1W R2202 ERJ6GEYJ103 S.M.CARB 0.1W R1133 ERJ6GEYJ272 S.M.CARB 0.1W R2203 ERJ6GEYJ103 S.M.CARB 0.1W R1136 ERJ6GEYJ273 S.M.CARB 0.1W R2204 ERJ6GEYJ822 S.M.CARB 0.1W R1137...
  • Page 19 Cct Ref Parts Number Description Cct Ref Parts Number Description 56pF R3025 ERJ6GEYJ750 S.M.CARB 0.1W C106 ECUV1H560JCX S.M. CAP 100nF R3026 ERJ6GEYJ750 S.M.CARB 0.1W C107 ECJ2VF1H104Z ELECT 350V 47µF R3044 ERJ6GEYJ750 S.M.CARB 0.1W C108 ECA1CM470GB ELECT R3046 ERJ6GEYJ101 S.M.CARB 0.1W C109 ECUV1H102JCX S.M.
  • Page 20 Cct Ref Parts Number Description Cct Ref Parts Number Description 27nF 4.7nF C556 ECQF4273JZH FILM 400V C810 ECKC2H472J CERAMIC 500V 470pF 220µF C557 ECKC2H471J CERAMIC 500V C811 ECOS2GA221CA ELECT 400V 470µF 2200pF C558 ECA1HHG471E ELECT C814 ECKC3D222JB CERAMIC 1000µF 470pF C561 ECA1EHG102B ELECT...
  • Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description 470pF 5.6nF C1123 ECUV1H471JCX S.M. CAP C2220 ECUV1H562KBX S.M. CAP 100pF 10µF C1124 ECUV1H101JCX S.M. CAP C2221 ECA1HM100GB ELECT 100pF 100µF C1125 ECUV1H101JCX S.M. CAP C2222 ECA0JM101G ELECT 6.3V 100pF 47µF C1126 ECUV1H101JCX...
  • Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description 10nF C3215 ECUV1H103KBX S.M. CAP 33pF C3216 ECA1CM330GB ELECT 100nF C3217 ECJ2VB1C104K ELECT 350V 4.7µF C3221 ECA1HM4R7GB ELECT 220nF C3401 ECQM1H224J FILM 100pF C3402 ECUV1H101JCX S.M. CAP 100µF C3403 ECA1HM101GB ELECT 220nF C3404...
  • Page 23: Schematic Diagrams

    SCHEMATIC DIAGRAMS FOR MODEL TX-29AK1P (EURO-4 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 33 CONDUCTOR VIEWS E-BOARD TNP8EE009 TRAN’S DIODES D558 Q3601 L8 D3102 B7 D557 Q3007 M9 D3101 B7 D556 Q3006 N10 D2304 G7 D555 Q3001 N8 D2303 G7 D554 Q2304 I7 D2161 G9 D553 Q2303 M6 D2105 G10 D552 Q2302 I7 D2104 F9 D551 Q2301 L6 D2103 G10...
  • Page 34 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 35 Z - BOARD TNP8EZ001 TRAN’S Q2201 Q2202 Q2203 Q2204 DIODES D2201 TP’S TPZ1 TPZ2 IC’S IC2201 IC2221...
  • Page 36 V - BOARD TNP8EV004 DIODES D1011...
  • Page 37 Q - BOARD TNP8EQ002...
  • Page 38 P - BOARD TNP8EP015 TRANSISTORS Q580 Q3901 C2 Q3902 A4 Q3903 B2 Q3904 B4 Q3905 D3 Q3906 D2 Q3907 C2 Q3908 D1 Q3911 B4 Q3912 B4 Q3917 C4 DIODES D580 D581 D3901 B3 D3907 D3 D3908 D3 D3909 C1 D3910 D5 D3911 D5 D3912 D1 D3915 B4...
  • Page 39 N - BOARD TNP8EN018 DIODES Q1011 B7 Q1012 B6 Q1013 B6 IC’S IC1051 A3...
  • Page 40 M - BOARD TNP8EM020 TRANSISTORS Q3201 Q3202 Q3203 Q3204 Q3205 Q3206 Q3207 Q3208 Q3209 Q1900 DIODES D3201 D3202 D3203 D1900 IC’S IC1900 IC1901...
  • Page 41 H - BOARD TNP8EH002 TRANSISTORS Q3401 Q3402 I.C.’S IC3401 C2...

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