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Service Manual
Colour Television EURO 2 Chassis
TX-25A1DP TX-29AD1DP
Safety
Specifications
Block Diagram(Video)
Block Diagram(Audio)
Block Diagram(Control)
Block Diagram (Dolby)
Parts List
Service Information
PCB view(A)
PCB view(B)
PCB view(E)
PCB view(K)
PCB view(M)
PCB view(Y)
All manuals and user guides at all-guides.com
Adjustments
Self Check
Service Hints
Mechanical View
Disassembly
Location of Controls
Waveforms
A Schematic
B Schematic
E Schematic
K Schematic
M Schematic
Y Schematic
Notes
Service Support
About....
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Summary of Contents for Panasonic TX-29AD1DP
- Page 1 All manuals and user guides at all-guides.com Service Manual Colour Television EURO 2 Chassis TX-25A1DP TX-29AD1DP Safety Adjustments Notes Specifications Self Check Service Support Block Diagram(Video) Service Hints Block Diagram(Audio) Mechanical View Block Diagram(Control) Disassembly Location of Controls Block Diagram (Dolby) About..
- Page 2 EURO 2 technical guide. AV3 IN S-Video IN Y : 1 Vp-p 75W (4-pin ) C : 0.3 Vp-p 75W Audio (RCA x 2) 500mV rms,10kW Video (RCA x 1) 1 Vp-p 75W Panasonic (U.K.) LTD. WILLOUGHBY ROAD, BRACKNELL, BERKS, RG12 8FT.
- Page 3 All manuals and user guides at all-guides.com Contents Safety Precautions Location of Controls Chassis Service Position Self Check Adjustment Procedure Alignment Procedure Waveform Pattern Table Conductor Views Block Diagrams Schematic Diagrams Exploded Views Parts List Safety Precautions General Guide Lines It is advisable to insert an isolation transformer in the AC Check each exposed Metallic part and check the voltage at supply before servicing a hot chassis.
- Page 4 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 four leads from the A - board.
- Page 6 All manuals and user guides at all-guides.com How to move the chassis into the Service position Hold and lift the rear of the E- PCB chassis as shown in fig.6. and gently pull the chassis toward you. Release the respective wiring clips and turn the chassis through 90 , anti-clockwise, as shown in fig.7.
- Page 7 All manuals and user guides at all-guides.com Service position for the A-Board Remove the A-board from the main chassis (E-board), see fig. 5, ensuring all leads are disconnected. Remove the two screws (A) (fig.9) from the plastic AV cover and unclip the AV cover from the A-board. Unclip the front metal cover (Fig10) and remove from the A-board.
- Page 8 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com Alignment Settings Alignment Function TX-29AD1DP TX-25AD1DP 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 Vert. D.C. Vert. D.C. Vert.D.C.
- Page 11 All manuals and user guides at all-guides.com WAVEFORM PATTERN TABLE...
- Page 12 All manuals and user guides at all-guides.com 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...
- Page 13 All manuals and user guides at all-guides.com 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...
- Page 14 All manuals and user guides at all-guides.com 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...
- Page 15 All manuals and user guides at all-guides.com D O L B Y B O A R D B L O C K W7004 BRIDGE I7000 RECT. T7000 W7006 I7001 I7003 I7017 I7002 IC7008 VOCP VOCM IC7004 IC7006 Linm IC7010 VORP IC7012 VORM Rinm...
- Page 16 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM FOR MODELS TX-29/25AD1DP (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.
- Page 17 All manuals and user guides at all-guides.com PARTS LOCATION NOTE :...
- Page 18 FILM 50V 2200mF ********** SEE DIFFERENCE LIST C638 ECQF6333JZH FILM 630V 33nF TBX8E021 POWER BUTTON C639 ECKCWS152MEJ CERAMIC 500V 1500mF TBM153022 PANASONIC BADGE C647 222236516334 FILM 160V 330nF TNP117057 K P.C.B. C650 ECKC3A471J CERAMIC 470pF TBM8E1186 AV BLIND SHEET C651...
- Page 19 All manuals and user guides at all-guides.com C1307 ECUV1H104ZFX S.M. CAP 100nF C1849 ECEA1HU4R7 ELECT 4.7mF C1309 ECEA1CU100 ELECT 10mF C1851 ECUV1H470JCX S.M. CAP 47pF C1310 ECEA1CU100 ELECT 10mF C1852 ECUV1H390JCX S.M. CAP 39pF C1311 ECUV1H104ZFX S.M. CAP 100nF C1853 ECUV1H390JCX S.M.
- Page 20 All manuals and user guides at all-guides.com C4748 ECUV1H102KBX S.M. CAP C7077 ECEA1CN100 ELECT 10mF C4749 ECUV1H102KBX S.M. CAP C7078 ECEA1CN100 ELECT 10mF C4790 ECEA1HKA010 ELECT C7079 ECUV1H104ZFX S.M. CAP 100nF C6101 ECEA1HU471 ELECT 470mF C7080 ECEA1CU220 ELECT 22mF C6102 ECQM1H334J FILM 330nF...
- Page 21 All manuals and user guides at all-guides.com D671 ERD32-02L7 DIODE INTEGRATED CIRCUITS D674 MA4120 DIODE D678 MA4027 DIODE I466 LA4282 AUDIO OUTPUT D681 EU02 DIODE I561 TDA8175-3 VERTICAL OUTPUT D686 RU4AMLF-M1 DIODE I611 TDA4605-3 SWITCHABLE POWER SUPPLY D1019 PMLL5242B DIODE I646 L78M09MRB 9V REGULATOR...
- Page 22 All manuals and user guides at all-guides.com JC1054 ERJ8GEY0R00 METAL 0.125W 1% 0W L1751 EXCELDR35V COIL JC1055 ERJ6GEY0R00 WIRE LINK L1801 ELEV4R7KA COIL JC1056 ERJ6GEY0R00 WIRE LINK L1837 EXCELDR35V COIL JC1057 ERJ6GEY0R00 WIRE LINK L1845 ELEV3R3KA COIL JC1058 ERJ8GEY0R00 METAL 0.125W 1% 0W L1857 ELEV3R3KA COIL...
- Page 23 All manuals and user guides at all-guides.com Q3127 BC857B TRANSISTOR R548 ERD25TJ223 CARBON 0.25W 5% 22KW Q3131 2SB940APLB TRANSISTOR R549 ERDS1TJ224 CARBON 0.5W 5% 220KW Q3136 2SD1264APLB TRANSISTOR R557 ERQ12HKR22 FUSIBLE 0.5W 5% 0R22W Q3143 BC847B TRANSISTOR R559 ERDS1TJ100 CARBON 0.5W Q3162 BC857B...
- Page 24 All manuals and user guides at all-guides.com R1178 ERQ14AJ100 METAL 0.25W R1815 ERJ6GEYJ101 S.M.CARB 0.1W 5% 100W R1181 ERJ6GEYJ103 S.M.CARB 0.1W 5% 10KW R1816 ERJ6GEYJ473 S.M.CARB 0.1W 5% 47KW R1182 ERJ6GEYJ101 S.M.CARB 0.1W 5% 100W R1819 ERJ6GEYJ472 S.M.CARB 0.1W 5% 4K7W R1183 ERJ6GEYJ680 S.M.CARB...
- Page 25 All manuals and user guides at all-guides.com R3172 ERJ6GEYJ102 S.M.CARB 0.1W R6301 ERJ6GEYJ101 S.M.CARB 0.1W 5% 100W R3173 ERJ6GEYJ332 S.M.CARB 0.1W 5% 3K3W R6302 ERJ6GEYJ101 S.M.CARB 0.1W 5% 100W R3174 ERJ6GEYJ471 S.M.CARB 0.1W 5% 470W R6305 ERJ6GEY0R00 WIRE LINK R3176 ERJ6GEYJ471 S.M.CARB 0.1W...
- Page 26 CRYSTAL R7146 ERJ6GEYJ563 S.M.CARB 0.1W 5% 56KW R7147 ERJ6GEYJ563 S.M.CARB 0.1W 5% 56KW R7148 ERJ6GEYJ103 S.M.CARB 0.1W 5% 10KW PARTS FOR TX-29AD1DP ONLY C534 ECWH12H562J FILM 1250V 56nF MISCELLANEOUS COMPONENTS C537 ECQF4273JZH FILM 420V 73nF C541 ECWF2H105J FILM 500V 1000nF...
- Page 27 All manuals and user guides at all-guides.com INTEGRATED CIRCUITS RESISTORS I1601 VDP3108-25 VIDEO PROCESSOR R501 ERD25TJ470 CARBON 0.25W I1701 TPU3040-18 TEXT PROCESSOR R507 ERD25TJ2R2 CARBON 0.25W 5% 2R2W I1801 CCU3000I-05 CENTRAL CONTROL UNIT R569 ERDS1TJ221 CARBON 0.5W 5% 220W I1871 27C010-07A EPROM R570...
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