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Service Manual
Colour Television EURO 2 Chassis
TX-25AD1E TX-29AD1E
Safety
Specifications
Block Diagram(Video)
Block Diagram(Audio)
Block Diagram(Control)
Parts List
Service Information
PCB view(E)
PCB view(Y)
PCB view(F)
PCB view(A)
PCB view(B)
PCB view(M)
Adjustments
Self Check
Service Hints
Mechanical View
Disassembly
Location of Controls
Waveforms
E Schematic (25)
E Schematic (29)
Y Schematic
F Schematic
A Schematic
B Schematic
M Schematic
Notes
Service Support
About....
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Table of Contents
Related Manuals for Panasonic TX-29AD1E
Summary of Contents for Panasonic TX-29AD1E
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Page 1: Service Manual
Service Manual Colour Television EURO 2 Chassis TX-25AD1E TX-29AD1E Safety Adjustments Notes Self Check Specifications Service Support Service Hints Block Diagram(Video) Mechanical View Block Diagram(Audio) Disassembly Block Diagram(Control) Location of Controls Parts List About..Waveforms Service Information E Schematic (25) -
Page 2: Specifications
SM - 95015 Service Manual Colour Television TX-29AD1E TX-25AD1E EURO-2 Chassis Specifications ( Information in brackets {} refer to TX-25AD1E) Power Source : 220-240V AC 50Hz AV2 IN Video (21 pin ) 1 Vp-p 75W Audio (21 pin ) 500mV rms,10 kW... -
Page 3: Safety Precautions
Contents Safety Precautions Location of Controls Chassis Service Position Service Mode Self Check Adjustment Procedure Alignment Settings Waveform Pattern Table P.C.B. Views Block Diagrams Schematic Diagrams Parts Location Replacement Parts List Safety Precautions General Guide Lines It is advisable to insert an isolation transformer in the AC Use an AC voltmeter with high impedance to measure the supply before servicing a hot chassis. -
Page 4: Location Of Controls
Location Of Controls Service Hints How to remove the rear cover Remove the 8 fixing screws (A) as shown in Fig.3/Fig.4. - Page 5 How to move the chassis into the Service position Hold and lift the rear of the E- PCB chassis and M - PCB as shown in fig.5. and gently pull the chassis toward you. Realese the M - PCB as explained on page 6 Turn the chassis through 90 , anti-clockwise, as shown in fig.6.
- Page 6 HOW TO REMOVE THE CONTROL PANEL (M-BOARD) Remove the E-board from the cabinet with the M-board attached. Unclip by lifting the front of the M-board vertically. After servicing ensure all wiring is returned to its original position before returning the receiver to the customer. HOW TO REMOVE THE A - BOARD Disconnect the 5 leads from the A - board.
- Page 7 Service position for the A-Board Remove the A-board from the main chassis (E-board) as shown in Fig.8. Remove the two screws (A) (fig.9) from the plastic AV cover and unclip the AV cover from the A-board. Carefully unclip the three metal clips marked B in fig.9. Unclip the front metal cover (Fig10) and remove from the A-board.
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Page 8: Service Mode
Service Mode The remote control is used for entering and storing adjustments, with the exception of cut-off adjustments which must always be done prior to service adjustment. Perform adjustments in accordance with screen display. The display on the screen also specifies the CCU variants as well as the approx. -
Page 9: Self Check
SELF CHECK Self check is used to automatically check the Bus lines and Hexadecimal code of the TV set. To enter the Self Check mode press Function down button, on the Preset Panel, at the same time pressing the Status button, on the Remote Control, and the screen will show:- Adjustment Procedure Item/Preparation... -
Page 10: Alignment Settings
Alignment Settings Alignment Function TX-29AD1E TX-25AD1E Settings / Special features Vertical amplitude V-AMP V-AMP Optimum setting Vertical symmetry V-SYM V-SYM Optimum setting Vertical linearity V-LIN V-LIN Optimum setting -020 Vert. D.C. Vert. D.C. Vert. D.C. Optimum setting V-Pos. V. Pos V. - Page 11 POWER SUPPLY AND CONTROL BLOCK DIAGRAM I2651 COMB FILTER CONTROL I4071 I4700 I1351 I661 12V REG IF PROCESSOR 8V REG 12V REG I1941 EEPROM MEMORY I2601 COMB FILTER I1301 I1601 SOUND PROCESSOR VIDEO PROCESSOR TUNER I561 VERTICAL OUTPUT I646 9V REG I466 AUDIO OUTPUT HEADPHONE...
- Page 12 VIDEO BLOCK DIAGRAM X4704 Q2602 Q2604 Q2608 Q2606 TUNER FILTER BUFFER BUFFER I4700 VIDEO DEMODULATOR Q2613 Q2612 Q2610 Q4701 BUFFER BUFFER BUFFER BUFFER I2601 COMB FILTER Q1123 Q2614 Q2653 BUFFER BUFFER Q1167 I1111 Q1267 BUFFER AV SWITCH BUFFER I2651 Q1172 Q1163 Q1192 Q2651...
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Page 13: Audio Block Diagram
AUDIO BLOCK DIAGRAM X4704 Q4704 Q4704 I4700 TUNER FILTER BUFFER SIF FILTER Q1091 Q1071 Q4702 Q4703 MUTE MUTE BUFFER Q1486 I1301 BUFFER I466 AUDIO AUDIO OUTPUT MIXER DEMODULATOR Q1496 VOLUME BUFFER BASS TREBLE CONTROL Q1466 Q1476 Q6403 Q498 Q496 BUFFER BUFFER MUTE MUTE... - Page 14 WIRING BLOCK DIAGRAM W1211 W1221 W6010 W6102 W1201 W1511 W1951 W1370 FACTORY COIL ADJUSTMENT W534 W211 W511 W610 W3316 W3316 W554 W619 W569 W534 TO CRT DEGAUSS V DY H DY SCREEN...
- Page 15 WAVEFORM PATTERN TABLE...
- Page 16 SCHEMATIC DIAGRAM FOR MODELS TX-29/25AD1E (EURO-2S CHASSIS) Notes RESISTOR All resistors are carbon ¼W resistor, unless marked. Unit of resistance is OHM (W) (K=1,000, M=1,000,000). CAPACITOR All capacitors are ceramic 50V capacitors, unless marked, the unit of capacitance is mF unless otherwise stated. COIL Unit of inductance is mH, unless otherwise stated.
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Page 17: Parts Location
PARTS LOCATION NOTE :... -
Page 18: Replacement Parts List
REPLACEMENT PARTS LIST Important Safety Notice PARTS COMMON TO TX-29AD1E AND TX-25AD1E C229 ECKC1H102J CERAMIC 1000pF MISCELLANEOUS COMPONENTS C462 ECEA1EU101 ELECT 100mF EUR51920 REMOTE CONTROL C463 ECEA1EU471 ELECT 470mF ********** SEE DIFFERENCE LIST C465 ECEA1CU470 ELECT 47mF ********** SEE DIFFERENCE LIST... - Page 19 C647 222236516334 FILM 160V 330nF C1310 ECEA1CU100 ELECT 10mF C650 ECKC3A102J CERAMIC C1311 ECUV1H104ZFX S.M. CAP 100nF C651 ECOS2EA221AB ELECT 400V 220mF C1312 ECEA50Y3R3 ELECT 3.3mF C656 ECKC2H681J CERAMIC 500V 680pF C1313 ECUV1H471JCX S.M. CAP 470pF C657 ECEA1HU471 ELECT 470mF C1314 ECUV1H471JCX S.M.
- Page 20 C1680 ECUV1H471JCX S.M. CAP 470pF C2607 ECUV1H104ZFX S.M. CAP 100nF C1681 ECUV1H102KBX S.M. CAP C2609 ECEA1CKA470 ELECT 47mF C1682 ECUV1H102KBX S.M. CAP C2611 ECUV1H104ZFX S.M. CAP 100nF C1683 ECUV1H271JCX S.M. CAP 270pF C2612 ECEA1CKA470 ELECT 47mF C1684 ECUV1H121JCX S.M. CAP 120pF C2613 ECUV1H104ZFX...
- Page 21 C3143 ECEA1CU100 ELECT 10mF C6402 ECEA1CU101 ELECT 100mF C3144 ECEA1CU470 ELECT 47mF C6403 ECUV1H103ZFX S.M. CAP 10nF C3146 ECEA2EU220 ELECT 250V 22mF C6406 ECEA1HU4R7 ELECT 4.7mF C3152 ECEA2EU220 ELECT 250V 22mF C6407 ECUV1H102KBX S.M. CAP C3153 ECEA1VU101 ELECT 100mF C6408 ECEA1HU4R7 ELECT 4.7mF...
- Page 22 D1158 PMLL5242B DIODE I1601 VDP3108-25 VIDEO PROCESSOR D1172 PMLL5242B DIODE I1701 TPU3040-18 TEXT PROCESSOR D1221 PMLL5232B DIODE I1751 81C1000A-70P DRAM D1222 PMLL5232B DIODE I1801 CCU3000I-05 CENTRAL CONTROL UNIT D1270 PMLL5242B DIODE I1871 27C010-07A1E EPROM D1273 PMLL5242B DIODE I1981 MN1280R RESET D1282 PMLL5242B DIODE...
- Page 23 JC1047 ERJ8GEY0R00 METAL 0.125W 1% 0W W1951 MKS165810808 CONNECTOR JC1048 ERJ6GEY0R00 WIRE LINK JC1049 ERJ8GEY0R00 METAL 0.125W 1% 0W COILS JC1050 ERJ8GEY0R00 METAL 0.125W 1% 0W JC1051 ERJ6GEY0R00 WIRE LINK L204 ELER220KA COIL JC1052 ERJ8GEY0R00 METAL 0.125W 1% 0W L206 EXCELSA35T COIL JC1053...
- Page 24 L6417 ELEBT6R8KA COIL Q2601 BC847B TRANSISTOR L6447 ELEBT6R8KA COIL Q2602 BC847B TRANSISTOR L6811 ELF18D415F FILTER Q2603 BC847B TRANSISTOR L6812 ELF18D415F FILTER Q2604 BC847B TRANSISTOR Q2605 BC857B TRANSISTOR Q2606 BC857B TRANSISTOR CONTROLS Q2607 BC847B TRANSISTOR Q2608 BC847B TRANSISTOR P633 EVMEASA00B52 CONTROL 500W Q2609 BC857B TRANSISTOR...
- Page 25 R633 ERO25CKF3921 METAL 0.25W 1%3R92KW RESISTORS R634 ERDS1TJ1R5 CARBON 0.5W 5% 1R5W RL6101 TSE10818 RELAY R636 ERD25TJ473 CARBON 0.25W 5% 47KW R201 ERD25TJ223 CARBON 0.25W 5% 22KW R639 ERD75TAJ825 CARBON 0.75W 5% 8M2W R206 ERG2ANJ223 METAL 5% 22KW R651 ERDS1TJ474 CARBON 0.5W 5% 470KW...
- Page 26 R1172 ERJ6GEYJ102 S.M.CARB 0.1W R1623 ERJ6GEYJ123 S.M.CARB 0.1W 5% 12KW R1173 ERJ6GEYJ151 S.M.CARB 0.1W 5% 150W R1624 ERJ6GEYJ333 S.M.CARB 0.1W 5% 33KW R1174 ERJ6GEYJ151 S.M.CARB 0.1W 5% 150W R1626 ERJ6GEYJ151 S.M.CARB 0.1W 5% 150W R1177 ERJ6GEYJ561 S.M.CARB 0.1W 5% 560W R1627 ERJ6GEYJ750 S.M.CARB...
- Page 27 R1844 ERJ6GEYJ103 S.M.CARB 0.1W 5% 10KW R2642 ERJ6GEYJ473 S.M.CARB 0.1W 5% 47KW R1845 ERJ6GEYJ470 S.M.CARB 0.1W R2643 ERJ6GEYJ333 S.M.CARB 0.1W 5% 33KW R1847 ERJ6GEYJ103 S.M.CARB 0.1W 5% 10KW R2644 ERJ6GEY0R00 WIRE LINK R1849 ERJ6GEYJ472 S.M.CARB 0.1W 5% 4K7W R2645 ERJ6GEYJ151 S.M.CARB 0.1W 5% 150W...
- Page 28 R3166 ERJ6GEYJ471 S.M.CARB 0.1W 5% 470W R4709 ERJ6GEYJ102 S.M.CARB 0.1W R3167 ERJ6GEYJ471 S.M.CARB 0.1W 5% 470W R4710 ERJ6GEYJ181 S.M.CARB 0.1W 5% 180W R3168 ERJ6GEYJ102 S.M.CARB 0.1W R4711 ERJ6GEYJ151 S.M.CARB 0.1W 5% 150W R3169 ERJ6GEYJ122 S.M.CARB 0.1W 5% 1K2W R4713 ERJ6GEYJ222 S.M.CARB 0.1W 5% 2K2W...
- Page 29 SWITCHES FILTERS S6304 EVQPB105K SWITCH X1321 TSS4004-B CRYSTAL S6305 EVQPB105K SWITCH X1608 TSS2169-B CRYSTAL S6306 EVQPB105K SWITCH X1854 TSS4007-B CRYSTAL S6307 EVQPB105K SWITCH X2651 TAFCSB503F35 CRYSTAL S6308 EVQPB105K SWITCH X2652 TSS4006-B CRYSTAL (10082031) S6811 ESB91232A SWITCH X4703 EFCV3095A6 CHIP FILTER X4704 G3355K SAW FILTER...
- Page 30 PARTS FOR TX-29AD1E ONLY MISCELLANEOUS COMPONENTS INTEGRATED CIRCUITS TKU8E00156 REAR COVER I1941 X24C16-9AD1E EAROM TKY8E031 CABINET A68ESF002X11 SOCKETS/TERMINALS/LINK WIRES TLK8E05116 DEGAUSS COIL TNP117037AC Y P.C.B. EXCELSA39V COIL TNP197087AD E P.C.B. EXCELSA39V COIL TNP117034AH A P.C.B. EAGG1201D2 SPEAKER COILS TBM8E1439 BACKCOVER...
- Page 31 PARTS FOR TX-25AD1E ONLY MISCELLANEOUS COMPONENTS COILS TKU8E00157 REAR COVER L203 ELER100KA COIL TKY8E032 CABINET L541 ELH5L421 COIL A59EEH048201 C.R.T. L594 297-23294 COIL TLK8E05115 DEGAUSSING COIL L1614 EXCELDR35V COIL TNP117037AB Y P.C.B. TNP197087AG E P.C.B. CONTROLS TNP117034AA A P.C.B. EAGG1201C2 SPEAKER PK401 TKP8E1112...