Panasonic TX-29AD1DP Service Manual Download Page 13

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VIDEO BLOCK DIAGRAM

TUNER

X4704

FILTER

I4700

VIDEO DEMODULATOR

Q1123

BUFFER

AV1

Q1167

BUFFER

Q1163

BUFFER

Q1172

MIXER

AV2

AV3

Q4701

BUFFER

Q1192

BUFFER

Q1182

BUFFER

I1701

TELETEXT

1
7
5
1

M
O
R

I1601

VIDEO PROCESSOR

Q2603

DRIVER

FILTER

Q2601

BUFFER

Q1267

BUFFER

Q2614

AMP

Q2613

BUFFER

Q2612

BUFFER

Q2610

BUFFER

Q2604

BUFFER

Q2602

BUFFER

Q2608 Q2606

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 Q3166

Q3169 Q3391

Q3393

DRIVE

Q3394 Q3397

OUTPUT AMP

Q3172 Q3174 Q3176

Q3179 Q3381

Q3383

DRIVE

Q3384 Q3387

OUTPUT AMP

Q3182 Q3184 Q3186

Q3189 Q3371

Q3373

DRIVE

Q3374 Q3377

OUTPUT AMP

RESISTOR

MATRIX

Q3109 Q3108
Q3111 Q3122

Q3126 Q3127

DRIVER

Q3368

SPOT SU

PRESS

Q3359

CUTOFF

Q3131 Q3136

OUTPUT AMP

I1111

AV SWITCH

Q2609

BUFFER

Q3368

SPOT SU

PRESS

Q3143

AMP

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Summary of Contents for TX-29AD1DP

Page 1: ... view A Adjustments Service Hints Mechanical View A Schematic B Schematic E Schematic Self Check Disassembly Waveforms Location of Controls Service Manual Colour Television EURO 2 Chassis TX 25A1DP TX 29AD1DP Notes Service Support About K Schematic M Schematic Y Schematic EXIT GO BACK Block Diagram Audio All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...1 Vp p 75W Audio 21 pin 500mV rms 1kW Selectable output 21 pin 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 High Voltage 31kV _1kV at zero beam current Picture Tube 68cmV 59 cmV Super Flat FST 110 measured diagonally Audio Output Internal Speaker 2 x 20 W Music Power 8W Impedance External Speaker 2 x 10W Front Music Power 2 x 15W Rear Mu...

Page 3: ...d 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 path to the chassis the reading should be between 4M ohm and 20M ohm When the exposed metal does not have a return path to the chassis the reading must be infinite Leakage Current Hot Check 1 Plug the AC cord directly into the AC out...

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 All manuals and user guides at all guides com ...

Page 5: ...ion before returning the receiver to the customer How to Remove the A Board 1 Disconnect the four leads from the A board 2 Release the A board securing brackets by pushing the clips in the direction shown in Fig 5 and remove the A board by gently lifting vertically 3 After servicing ensure all wiring is returned to its original position before returning the receiver to the customer All manuals and...

Page 6: ...ease the respective wiring clips and turn the chassis through 90_ anti clockwise as shown in fig 7 3 Clip the chassis onto the support bracket as shown in fig 7 and fig 8 4 After servicing ensure all wiring is returned to its original position before returning the receiver to the customer All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 7: ...e extension leads to the A board making sure that the A board does not touch the E board fig 12 6 After servicing ensure all wiring is returned to its original position before returning the receiver to the customer Note The extension lead wire kit is supplied as a service kit Part number TZS2EP001 Service Position for the K Board A A 1 Remove the two screws A indicated in fig 13 to release K Board...

Page 8: ... 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 The screen will show 4 Press the STORE button on the TV The screen will show 5 All the tuning information stored inside the TV will now be transferred to the Memory Pack This process will take 2 3 minutes to complete and when finished the screen will s...

Page 9: ... RF AGC 1 Receive a test pattern 2 Connect an oscilloscope between the 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 Gradually turn the RF AGC VR anti clockwise and set the RF AGC VR to the point where the RF AGC voltage is just falling to a point where...

Page 10: ...PEZ 1 060 Optimum setting 12 Trapezium comp TRAPEZ 2 034 TRAPEZ 056 Optimum setting 13 Colour VCO Colour VCO 034 Colour VCO 034 Pree either Blue or Yellow buttons to effect automatic adjustment 14 Cut off DC Cut off DC 028 Cut off DC 028 Not to be adjusted 15 Ug2 Test Ug 2 Test 040 007 010 Ug 2 Test 040 007 010 To adjust the screen settings Turn P3362 until a colour reaches 25 5 place an oscillosc...

Page 11: ...WAVEFORM PATTERN TABLE All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 12: ... 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 OUTPUT I561 VERTICAL OUTPUT TUNER T6101 D6101 HEADPHONE AMP Q674 Y PCB Q526 DRIVER Q543 LINE OUTPUT FBT D547 D557 2 4 V 150V 200V 27V 5V 15V 5VSB 20V 9V CLOCK 4 DATA CLOCK 1 5VSB 9V 15V 5V 9V 12V 12V 15V All manuals and user...

Page 13: ...ER 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 Q3166 Q3169 Q3391 Q3393 DRIVE Q3394 Q3397 OUTPUT AMP Q3172 Q3174 Q3176 Q3179 Q3381 Q3383 DRIVE Q3384 Q3387 OUTPUT AMP Q3182 Q3184 Q3186 Q3189 Q3371 Q3373 DRIVE Q3374 Q3377 OUTPUT AMP RESISTOR MATRIX Q3109 Q3108 Q3111 Q3122 Q3...

Page 14: ...466 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 AMP Q6403 MUTE Q6433 MUTE Q498 MUTE Q496 MUTE Q497 MUTE Q1812 BUFFER Q494 MUTE Q463 MUTE I1011 AV SWITCHING All manuals and user guides at all guides com ...

Page 15: ...IC701 1 IC7004 IC7014 IC7007 IC7009 IC7006 Lin Rin IC7013 Surround IC7012 Front R Front L Centre Q7004 Q7005 I7001 I7003 I7002 I7000 T7000 BRIDGE RECT I7017 1 2 1 2 W7004 240 V IN 240 V OU T 1 3 1 3 2 3 9 12V 5V 5V W7006 5V LINE 5V LINE 12V LINE DOLBY BOARD BLOCK SIGNAL LINE All manuals and user guides at all guides com ...

Page 16: ...he 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 the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical components may be damaged c Do not connect an instrument such as an oscilloscope...

Page 17: ...PARTS LOCATION 14 19 NOTE 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 20 21 22 All manuals and user guides at all guides com ...

Page 18: ...mF C623 222236516224 FILM 160V 220nF C626 ECKC3D471JB CERAMIC 2KV 470pF C628 ECKC1H221J CERAMIC 50V 220pF C629 ECQB1H153K FILM 50V 15nF C631 ECQB1H472J FILM 50V 4 7nF C632 ECQB1H103J FILM 50V 10nF C634 ECEA1HGE010 ELECT 50V 1mF C636 ECKC2H472J CERAMIC 500V 4 7nF C637 ECQB1H222J FILM 50V 2200mF C638 ECQF6333JZH FILM 630V 33nF C639 ECKCWS152MEJ CERAMIC 500V 1500mF C647 222236516334 FILM 160V 330nF C...

Page 19: ...P 50V 100pF C1843 ECUV1H472KBX S M CAP 50V 4 7nF C1845 ECUV1H560JCX S M CAP 50V 56pF C1849 ECEA1HU4R7 ELECT 50V 4 7mF C1851 ECUV1H470JCX S M CAP 50V 47pF C1852 ECUV1H390JCX S M CAP 50V 39pF C1853 ECUV1H390JCX S M CAP 50V 39pF C1857 ECUV1H560JCX S M CAP 50V 56pF C1859 ECUV1H560JCX S M CAP 50V 56pF C1871 ECUV1H103KBX S M CAP 50V 10nF C1879 ECUV1H560JCX S M CAP 50V 56pF C1888 ECUV1H103KBX S M CAP 50V...

Page 20: ...1 5pF C7066 ECUV1H333KBX S M CAP 50V 33pF C7067 ECUV1H562KBX S M CAP 50V 5 6pF C7068 ECEA1CU101 ELECT 16V 100mF C7069 ECUV1H300JCX S M CAP 50V 30mF C7070 ECEA1CU101 ELECT 16V 100mF C7071 ECEA1HN010 ELECT 50V 1mF C7072 ECUV1H333KBX S M CAP 50V 33pF C7073 ECUV1H101JCX S M CAP 50V 100pF C7074 ECEA1CU470 ELECT 16V 47mF C7075 ECEA1CU470 ELECT 16V 47mF C7076 ECUV1H392KBX S M CAP 50V 3 9nF C7077 ECEA1CN1...

Page 21: ...I6101 AN78L05TA 5V REGULATOR I6301 RPM 637CBRS1 LED RECEIVER I7000 STR10006 M SWITCHABLE POWER SUPPLY I7001 L78M12MRB 12V REGULATOR I7002 AN79M12LB1 12V REGULATOR I7003 L78M05MRB 5V REGULATOR I7004 HEF4066BT T SWITCHING I C I7005 51832AFL10EL STATIC RAM I7006 HEF4066BT T SWITCHING I C I7007 HEF4066BT T SWITCHING I C I7008 YSS215 F DOLBY PROCESSOR I7009 AN6554NSF E2 OPERATIONAL AMPLIFIER I7010 AN65...

Page 22: ... L1601 ELEV4R7KA COIL L1606 EXCELDR35V COIL L1611 ELEV4R7KA COIL L1614 EXCELDR35V COIL L1619 EXCELDR35V COIL L1622 ELEV4R7KA COIL L1634 EXCEMT101BT COIL L1644 EXCEMT101BT COIL L1652 ELEV4R7KA COIL L1654 EXCEMT101BT COIL L1687 ELEMV1R5MA COIL L1691 EXCEMT101BT COIL L1692 EXCEMT101BT COIL L1693 EXCEMT101BT COIL L1694 EXCEMT101BT COIL L1701 ELEV4R7KA COIL L1714 EXCELDR35V COIL L1751 EXCELDR35V COIL L...

Page 23: ...73 ERO25CKF1801 METAL 0 25W 1 1K8W R592 ERD25TJ103 CARBON 0 25W 5 10KW R593 ERD25TJ103 CARBON 0 25W 5 10KW R598 ERD25TJ102 CARBON 0 25W 5 1KW R613 ERF10ZK5R6 WIRE 10W 5 5R6W R614 ERDS1TJ394 CARBON 0 5W 5 390KW R616 ERC12GK154D SOLID 0 5W 5 150KW R619 232266296706 THERMISTOR R621 ERG2FJ183 METAL 0 5W 5 18KW R622 ERDS1TJ394 CARBON 0 5W 5 390KW R623 ERD25TJ472 CARBON 0 25W 5 4K7W R624 ERD25TJ121 CARB...

Page 24: ...S M CARB 0 1W 5 4K7W R1811 ERJ6GEYJ101 S M CARB 0 1W 5 100W R1812 ERJ6GEYJ472 S M CARB 0 1W 5 4K7W R1815 ERJ6GEYJ101 S M CARB 0 1W 5 100W R1816 ERJ6GEYJ473 S M CARB 0 1W 5 47KW R1819 ERJ6GEYJ472 S M CARB 0 1W 5 4K7W R1821 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R1822 ERJ6GEYJ392 S M CARB 0 1W 5 3K9W R1823 ERJ6GEYJ472 S M CARB 0 1W 5 4K7W R1824 ERJ6GEYJ473 S M CARB 0 1W 5 47KW R1825 ERJ6GEYJ101 S M CARB 0 ...

Page 25: ...S M CARB 0 1W 5 4K7W R6114 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R6301 ERJ6GEYJ101 S M CARB 0 1W 5 100W R6302 ERJ6GEYJ101 S M CARB 0 1W 5 100W R6305 ERJ6GEY0R00 WIRE LINK R6401 ERD25TJ220 CARBON 0 25W 5 22W R6402 ERD25TJ220 CARBON 0 25W 5 22W R6403 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R6404 ERJ6GEY0R00 WIRE LINK R6405 ERJ6GEY0R00 WIRE LINK R6406 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R6407 ERJ6GEYJ472 S M CARB 0 1W...

Page 26: ...KW R7148 ERJ6GEYJ103 S M CARB 0 1W 5 10KW R7149 ERJ6GEYJ103 S M CARB 0 1W 5 10KW R7150 ERJ6GEYJ272 S M CARB 0 1W 5 2K7W R7151 ERJ6GEYJ103 S M CARB 0 1W 5 10KW R7152 ERJ6GEYJ222 S M CARB 0 1W 5 2K2W R7153 ERJ6GEYJ471 S M CARB 0 1W 5 470W R7154 ERJ6GEYJ471 S M CARB 0 1W 5 470W R7155 ERJ6GEYJ101 S M CARB 0 1W 5 100W R7156 ERJ6GEYJ101 S M CARB 0 1W 5 100W R7157 ERJ6GEYJ101 S M CARB 0 1W 5 100W R7158 E...

Page 27: ...EAKER TMW8E016 CONTROL BRACKET TPC8E4469 OUTER CARTON TS 2770 TV STAND PKN1 TMX8E005 CHASSIS FRAME TKP8E1113 FRONT PANEL LEFT TKP8E1125 PANEL CAPACITORS C201 ECEA1CU330 ELECT 16V 33mF C534 ECWH12H392J CAPACITOR C537 ECQF4393JZH CAPACITOR C539 ECKC3D681J CERAMIC 2KV 680pF C541 ECWF2H824J CAPACITOR C567 ECQB1H333J FILM 50V 33nF C578 222236576104 FILM 760V 100nF C591 ECEA1HGE4R7 ELECT 50V 4 7mF C3167...

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