Panasonic TX-29AD1E, Service Manual

Page 1: ...ematic 25 E Schematic 29 Y Schematic Parts List Self Check Disassembly Waveforms Specifications Location of Controls Service Information Service Manual Colour Television EURO 2 Chassis TX 25AD1E TX 29...

Page 2: ...deo 21 pin 1 Vp p 75W Audio 21 pin 500mV rms 10kW RGB 21 pin AV1 OUT Video 21 pin 1 Vp p 75W Audio 21 pin 500mV rms 1kW AV2 IN Video 21 pin 1 Vp p 75W Audio 21 pin 500mV rms 10 kW S Video IN Y 1 Vp p...

Page 3: ...h an ohmmeter between the jumpered AC plug and each exposed metallic cabinet part on the receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return...

Page 4: ...Location Of Controls Service Hints How to remove the rear cover 1 Remove the 8 fixing screws A as shown in Fig 3 Fig 4...

Page 5: ...ently pull the chassis toward you Realese the M PCB as explained on page 6 2 Turn the chassis through 90_ anti clockwise as shown in fig 6 3 Clip the chassis onto the support bracket as shown in fig 6...

Page 6: ...o its original position before returning the receiver to the customer HOW TO REMOVE THE A BOARD 1 Disconnect the 5 leads from the A board 2 Release the A and F boards securing brackets by pushing the...

Page 7: ...lip the three metal clips marked B in fig 9 4 Unclip the front metal cover Fig10 and remove from the A board 5 Fit the extension leads to the A board making sure that the A board does not touch the E...

Page 8: ...f the TV has only one 21 pin connector then this will be able to accept the memory pack 2 Go into the Service Mode as explained above The screen will show 3 Press the blue button on the remote control...

Page 9: ...he tuner RF AGC and ground 3 Set the oscilloscope gain range to 1V div 1 Check that the noise becomes large when the RF AGC VR P4701 is turned counterclockwise After the check turn it clockwise 2 Grad...

Page 10: ...mum setting 11 Trapezium comp TRAPEZ 1 014 TRAPEZ 1 000 Optimum setting 12 Trapezium comp TRAPEZ 2 012 TRAPEZ 2 009 Optimum setting 13 Colour VCO COLOUR VCO 015 COLOUR VCO 006 Optimum setting 14 Cut o...

Page 11: ...SOR I1351 8V REG I1011 AV SWITCHING I1111 AV SWITCHING I1601 5V REG I2651 COMB FILTER CONTROL I2601 COMB FILTER I4700 IF PROCESSOR I4071 12V REG I611 PSU CONTROL I646 9V REG I661 12V REG I466 AUDIO OU...

Page 12: ...06 AMP I2601 COMB FILTER Q2651 BUFFER Q2653 BUFFER I2651 Q2611 BUFFER Q2607 Q2605 AMP Q1653 BUFFER Q1651 AMP Q1656 AMP Q1643 BUFFER Q1641 AMP Q1646 AMP Q1633 BUFFER Q1631 AMP Q1636 AMP Q3162 Q3164 Q31...

Page 13: ...BUFFER Q1496 BUFFER I466 AUDIO OUTPUT AMP I1301 AUDIO MIXER DEMODULATOR VOLUME BASS TREBLE CONTROL AV1 AV2 Q1091 MUTE Q1071 MUTE Q1382 MUTE Q1466 BUFFER Q1476 BUFFER AV3 Q6443 Q6447 AMP Q6413 Q6417 A...

Page 14: ...1 W 1 2 5 1 W 2 6 0 1 W 1 6 5 1 W 6 1 2 W 2 1 4 W 2 5 2 W 4 0 0 1 W 6 3 0 W 6 6 0 W 5 4 8 W 3 3 1 7 W 3 1 5 2 W 2 6 0 2 W3316 W6102 W6010 W1370 W610 W1951 W1511 W511 W1201 W211 A V 3 W1221 W1211 AV1...

Page 15: ...WAVEFORM PATTERN TABLE...

Page 16: ...the Audio signal path Indicates the Vertical Horizontal signal path 8 This schematic diagram is the latest at the time of printing and is subject to change without notice Precautions a Do not touch t...

Page 17: ...PARTS LOCATION NOTE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 19 22...

Page 18: ...C465 ECEA1CU470 ELECT 16V 47mF C466 ECEA1HU222 ELECT 50V 2200mF C467 ECQB1H103J FILM 50V 10nF C471 ECEA1HU010 ELECT 50V 1mF C472 ECEA1CU101 ELECT 16V 100mF C473 ECEA1EGE222 ELECT 25V 2200mF C476 ECEA...

Page 19: ...CUV1H104ZFX S M CAP 50V 100nF C1309 ECEA1CU100 ELECT 16V 10mF C1310 ECEA1CU100 ELECT 16V 10mF C1311 ECUV1H104ZFX S M CAP 50V 100nF C1312 ECEA50Y3R3 ELECT 50V 3 3mF C1313 ECUV1H471JCX S M CAP 50V 470pF...

Page 20: ...0DCX S M CAP 50V 10pF C2604 ECUV1H104ZFX S M CAP 50V 100nF C2605 ECEA1CKA470 ELECT 16V 47mF C2606 ECUV1H104ZFX S M CAP 50V 100nF C2607 ECUV1H104ZFX S M CAP 50V 100nF C2609 ECEA1CKA470 ELECT 16V 47mF C...

Page 21: ...C4744 ECUV1H100DCX S M CAP 50V 10pF C4745 ECUV1H102KBX S M CAP 50V 1nF C4746 ECUV1H104ZFX S M CAP 50V 100nF C4747 ECUV1H102KBX S M CAP 50V 1nF C4748 ECUV1H102KBX S M CAP 50V 1nF C4749 ECUV1H102KBX S...

Page 22: ...0 LA7577N V I F I4701 AN78N12 12V REGULATOR I6101 AN78L05TA 5V REGULATOR I6301 RPM 637CBRS1 LED RECEIVER SOCKETS TERMINALS LINK WIRES BC1 ERJ6GEY0R00 WIRE LINK BC2 ERJ6GEY0R00 WIRE LINK BC4 ERJ6GEY0R0...

Page 23: ...WIRE LINK JC1104 ERJ8GEY0R00 METAL 0 125W 1 0W JC1105 ERJ8GEY0R00 METAL 0 125W 1 0W JC1106 ERJ8GEY0R00 METAL 0 125W 1 0W JC1107 ERJ8GEY0R00 METAL 0 125W 1 0W JC1108 ERJ8GEY0R00 METAL 0 125W 1 0W JC110...

Page 24: ...4 BC847B TRANSISTOR Q1827 BC857B TRANSISTOR Q1831 BC847B TRANSISTOR Q2601 BC847B TRANSISTOR Q2602 BC847B TRANSISTOR Q2603 BC847B TRANSISTOR Q2604 BC847B TRANSISTOR Q2605 BC857B TRANSISTOR Q2606 BC857B...

Page 25: ...AL 0 25W 1 3R92KW R634 ERDS1TJ1R5 CARBON 0 5W 5 1R5W R636 ERD25TJ473 CARBON 0 25W 5 47KW R639 ERD75TAJ825 CARBON 0 75W 5 8M2W R651 ERDS1TJ474 CARBON 0 5W 5 470KW R666 ERO25CKF3301 METAL 0 25W 1 3K3W R...

Page 26: ...1W 5 150W R1621 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R1622 ERJ6GEYJ103 S M CARB 0 1W 5 10KW R1623 ERJ6GEYJ123 S M CARB 0 1W 5 12KW R1624 ERJ6GEYJ333 S M CARB 0 1W 5 33KW R1626 ERJ6GEYJ151 S M CARB 0 1W 5...

Page 27: ...2640 ERJ6GEYJ121 S M CARB 0 1W 5 120W R2641 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R2642 ERJ6GEYJ473 S M CARB 0 1W 5 47KW R2643 ERJ6GEYJ333 S M CARB 0 1W 5 33KW R2644 ERJ6GEY0R00 WIRE LINK R2645 ERJ6GEYJ151...

Page 28: ...703 ERJ6GEYJ472 S M CARB 0 1W 5 4K7W R4705 ERJ6GEY0R00 WIRE LINK R4707 ERJ6GEYJ683 S M CARB 0 1W 5 68KW R4708 ERJ6GEYJ153 S M CARB 0 1W 5 15KW R4709 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R4710 ERJ6GEYJ181 S...

Page 29: ...NSFORMERS T528 5270103200 TRANSFORMER T531 ZTFH65005A TRANFORMER T639 ETS39AH117AC TRANSFORMER T6101 BV030 7395 0 TRANSFORMER FILTERS X1321 TSS4004 B CRYSTAL X1608 TSS2169 B CRYSTAL X1854 TSS4007 B CR...

Page 30: ...ODE INTEGRATED CIRCUITS I1941 X24C16 9AD1E EAROM SOCKETS TERMINALS LINK WIRES J12 EXCELSA39V COIL J23 EXCELSA39V COIL COILS L507 ELESN331KA COIL L511 297 23477 TRANSFORMER L541 ELH5L7002 COIL L594 297...

Page 31: ...541 ELH5L421 COIL L594 297 23294 COIL L1614 EXCELDR35V COIL CONTROLS PK401 TKP8E1112 FRONT PANEL RIGHT PK402 TKP8E1113 FRONT PANEL LEFT PK403 TBM8E1359 INDICATION SHEET PK404 TBM8E1360 INDICATION SHEE...

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