Panasonic TX-28MD4P Service Manual Download | Manualshive

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Description

Cct Ref

Parts Number

Description

Cct Ref

Parts Number

DIODE

D854

TVSRU2AMLFA5

DIODE

D855

FML22SLF610

DIODE

D856

RU4AMLF-M1

DIODE

D857

MTZJT-775.1C

DIODE

D858

MA165TA5

DIODE

D859

MA165TA5

DIODE

D861

MA165TA5

DIODE

D862

MTZJT-7736A

DIODE

D863

MA165TA5

DIODE

D865

MA165TA5

DIODE

D866

MA165TA5

DIODE

D867

EK06-V0

DIODE

D868

1N4150T-77

DIODE

D869

1N4150T-77

DIODE

D870

MA165TA5

DIODE

D871

1N4150T-77

DIODE

D873

MTZJT-775.6C

DIODE

D874

1SR124-4AT82

DIODE

D875

BZX79A75A26A

LED

D1051 SLR56UR3FLF

DIODE

D1101 MA165TA5

DIODE

D1102 MA165TA5

DIODE

D2101 MA723TA5

DIODE

D2102 MA723TA5

DIODE

D2103 MA723TA5

DIODE

D2104 MA723TA5

DIODE

D2105 MTZJT-778.2C

DIODE

D2303 MA723TA5

DIODE

D2304 MA723TA5

DIODE

D3101 MTZJT-778.2C

DIODE

D3102 MTZJT-778.2C

TRANSISTORS

TRANSISTOR

Q101

BC847B

TRANSISTOR

Q102

BC847B

TRANSISTOR

Q104

BC847B

TRANSISTOR

Q105

BC847B

TRANSISTOR

Q251

2SD1328STX

TRANSISTOR

Q252

2SD1328STX

TRANSISTOR

Q253

BC847B

TRANSISTOR

Q254

BC847B

TRANSISTOR

Q301

BC847B

TRANSISTOR

Q302

FMY4T148

TRANSISTOR

Q303

BC847B

TRANSISTOR

Q304

FMY4T148

TRANSISTOR

Q305

BC847B

TRANSISTOR

Q306

FMY4T148

TRANSISTOR

Q351

2SA1767

TRANSISTOR

Q352

2SA1767

TRANSISTOR

Q353

2SA1767

TRANSISTOR

Q354

BC857B

TRANSISTOR

Q451

BC857B

TRANSISTOR

Q503

2SD2398-M2

TRANSISTOR

Q551

BU2508AXLB

TRANSISTOR

Q552

2SC1473-RN

TRANSISTOR

Q701

BC857B

TRANSISTOR

Q850

2SD1273PLB

TRANSISTOR

Q851

BC857B

TRANSISTOR

Q852

2SC1383-S

TRANSISTOR

Q853

BC847B

TRANSISTOR

Q854

BC847B

TRANSISTOR

Q855

BC847B

TRANSISTOR

Q856

BC847B

TRANSISTOR

Q857

2SA1018QTA

TRANSISTOR

Q950

BC847B

TRANSISTOR

Q951

FMY4T148

TRANSISTOR

Q1051 BC847B

TRANSISTOR

Q1052 BC847B

TRANSISTOR

Q1101 BC847B

TRANSISTOR

Q1104 BC847B

TRANSISTOR

Q1105 BC847B

TRANSISTOR

Q1106 BC847B

TRANSISTOR

Q1107 BC847B

TRANSISTOR

Q1108 BC847B

TRANSISTOR

Q2101

BC857B

TRANSISTOR

Q2102

BC857B

TRANSISTOR

Q2103

BC857B

TRANSISTOR

Q2301 BC847B

TRANSISTOR

Q2302

BC857B

TRANSISTOR

Q2303 BC847B

TRANSISTOR

Q2304

BC857B

TRANSISTOR

Q3001 BC847B

TRANSISTOR

Q3006 BC847B

TRANSISTOR

Q3007 BC847B

TRANSISTOR

Q3401 BC847B

TRANSISTOR

Q3402 BC847B

TRANSISTOR

Q3601 BC847B

TRANSFORMERS

TRANSFORMER

T501

ETH19Y173AY

F.B.T.

T551

ZTFL94002A

TRANSFORMER

T802

ETP35KAN619U

COILS

COIL

L104

EXCELSA35T

COIL

L106

TLTACT100K

COIL

L107

TLTACT6R8K

COIL

L301

TLTACT4R7K

COIL

L302

TLTACT4R7K

COIL

L451

EXCELSA35T

COIL

L501

EXCELSA35T

COIL

L553

ELC08D682E

COIL

L601

TLTACT4R7K

COIL

L602

TLTACT4R7K

COIL

L603

TLTACT4R7K

COIL

L604

TLTACT4R7K

COIL

L606

TLTACT4R7K

COIL

L607

ELJFC2R2KF

COIL

L701

ELC10D822E

COIL

L850

EXCELSA35T

COIL

L851

EXCELSA35T

COIL

L852

ELEIN470KA

COIL

L853

EXCELSA35T

COIL

L854

EXCELSA35T

COIL

L855

EXCELSA35T

COIL

L856

EXCELSA39V

COIL

L1103 TLTACT100K

COIL

L1104 EXCELSA35T

COIL

L1105 ELJFC2R2KF

COIL

L2101 TLTACT100K

COIL

L2103 EXCELSA35T

COIL

L2104 TLTACT4R7K

COIL

L3001 ELEMV1R5MA

COIL

L3002 ELEMV1R5MA

COIL

L3003 ELEMV1R5MA

COIL

L3004 ELEMV1R5MA

COIL

L3005 ELEBR2R2KA

COIL

L3006 ELEBR2R2KA

COIL

L3007 TLTACT2R2K

COIL

L3101 ELEBT6R8KA

COIL

L3102 ELEBT6R8KA

COIL

L3401 ELESN2R2KA

COIL

L3402 ELESN2R2KA

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Summary of Contents for TX-28MD4P

Page 1: ...RCAx2 500mV rms 1k AV1 IN Video 21 pin 1V p p 75 Audio 21 pin 500mV rms 10k RGB 21 pin AV1 OUT Video 21 pin 1V p p 75 Audio 21 pin 500mV rms 1k AV2 IN Video 21 pin 1V p p 75 Audio 21 pin 500mV rms 10k...

Page 2: ...e 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 m...

Page 3: ...SERVICE HINTS How to remove the rear cover 1 Remove the 9 screws as shown in Fig 2 LOCATION OF CONTROLS 3 SCREWS Fig 2 E BOARD Y BOARD FOCUS SCREEN H BOARD Fig 3...

Page 4: ...h the TV on 2 Go into 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 STR button on the TV The screen will show 5 Al...

Page 5: ...s at the front of the set at the same time pressing the STATUS button on the remote control and the screen will show If the CCU ports have been checked and found to be incorrect or not located then wi...

Page 6: ...75mV 64 S 64 S 3V H Out IC601 Pin 50 Vert Out IC601 Pin 31 20mS 0 7V 13 S 3 7V SCL IC1201 Pin 3 R Out E8 Pin 5 64 S 4 6V HFLB IC601 Pin 13 64 S 6 2V R Out IC601 Pin 37 64 S 275mV G Out IC601 Pin 38 27...

Page 7: ...l Linearity V Lin 006 Optimum setting Vertical Symmetry V Sym 002 Optimum setting DVCO DVCO 005 Receive a PAL Colour Bar Pattern For DVCO alignment press Blue button wait until the colours are changin...

Page 8: ...4 3 5 Q353 Q352 Q351 CRT 3 2 1 7 8 9 Y2 4 3 5 IC351 TUNER Q104 5HG OXH UHHQ 9LGHR Q 9 9LGHR 2XW G OUT 38 R OUT 37 G IN 46 R IN 45 Q306 Q304 Q302 Q354 7 7 VM COILS Q905 Q907 Q909 Q908 Q906 SVM OUT 34 Q...

Page 9: ...R 7 6 R 1 R OUT 3 L OUT 1 R OUT 3 L OUT 2 R IN 6 L IN 2 R IN 6 L IN 47 ANA_IN1 DACM_L 25 SC3_IN_R 38 SC1_IN_R 42 SC1_IN_L 41 SC2_OUT_R 27 SC2_OUT_L 28 SC2_IN_R 40 SC2_IN_L 39 Q252 Q251 2 L L 11 4 L H...

Page 10: ...CAL KEYS SWITCH MATRIX 60 Q854 52 Q853 74 IC1051 Q1052 81 AV2 8 10 AV1 8 10 12 Q856 75 Q851 Q1106 Q1105 Q1107 Q1104 51 72 73 AV LINK SLOW 2 SLOW 1 SCL 1 SDA 1 59 58 Q3006 Q3007 55 VPROT KEYSCAN ON OFF...

Page 11: ...4 2 1 3 1 S4 B1 P2 P1 S5 S2 S7 10 9 6 8 5 6 2 6 3 1 6 12V 200V 33V 14V 14V 27V 150V 29V 7V 15V 5V D867 Q852 Q854 Q855 1 D805 R805 R814 IC850 1 2 D862 R854 33V 16 REMOTE CONTROL RECEIVER RESET MICRO PR...

Page 12: ...PARTS LOCATION 12 NOTE The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List 17 18 12 11 9 10 16 15 4 7 3 14 8 13 5 1 6 2...

Page 13: ...2MRB 8V REGULATOR IC853 AN78L08TA LED RECEIVER IC1051 RPM 637CBRL MICRO PROCESSOR IC1101 SDA5450C47 EPROM IC1102 27C2001 G01 DIODE IC1104 MN1381 R TA DIODE IC1105 MN1381 T TA AUDIO PROCESSOR IC2101 MS...

Page 14: ...Q853 BC847B TRANSISTOR Q854 BC847B TRANSISTOR Q855 BC847B TRANSISTOR Q856 BC847B TRANSISTOR Q857 2SA1018QTA TRANSISTOR Q950 BC847B TRANSISTOR Q951 FMY4T148 TRANSISTOR Q1051 BC847B TRANSISTOR Q1052 BC...

Page 15: ...ERJ8GEY0R00 125W 5 0 S M CARB JA23 ERJ8GEY0R00 125W 5 0 S M CARB R101 ERJ6GEY0R00 0 1W 5 0 S M CARB R102 ERJ6GEYJ103 0 1W 5 10K S M CARB R103 ERJ6GEYJ222 0 1W 5 2K2 S M CARB R104 ERJ6GEYJ332 0 1W 5 3...

Page 16: ...EYJ393 0 1W 5 39K S M CARB R710 ERJ6GEYJ273 0 1W 5 27K METAL R711 ERG1SJ101 1W 5 100 S M CARB R712 ERJ6GEYJ102 0 1W 5 1K SOLID R803 ERC12ZGK335D 0 5W 10 3M3 CARBON R805 ERD25TJ473 0 25W 5 47K CARBON R...

Page 17: ...B R2120 ERJ6GEYJ222 0 1W 5 2K2 S M CARB R2302 ERJ6GEYJ104 0 1W 5 100K S M CARB R2303 ERJ6GEYJ101 0 1W 5 100 S M CARB R2304 ERJ6GEYJ471 0 1W 5 470 S M CARB R2305 ERJ6GEYJ102 0 1W 5 1K S M CARB R2306 ER...

Page 18: ...C C557 ECKC2H471J 500V 470pF ELECT C558 ECA1HHG471E 50V 470 F ELECT C560 ECA2GHG2R2B 400V 470 F ELECT C561 ECA1EHG102B 25V 470 F CERAMIC C562 ECKC2H101J 500V 100pF ELECT C563 ECA2EHG220B 250V 20 F ELE...

Page 19: ...2116 ECUV1H221JCX 50V 220pF S M CAP C2117 ECUV1H221JCX 50V 220pF S M CAP C2118 ECUV1H221JCX 50V 220pF S M CAP C2119 ECUV1H221JCX 50V 220pF S M CAP C2120 ECUV1H221JCX 50V 220pF ELECT C2121 ECA1CM100GB...

Page 20: ...METAL R377 ERQ1ABJP5R6S 0 5W 5 5R6 S M CARB R378 ERJ6GEY0R00 0 1W 5 0 S M CARB R379 ERJ6GEY0R00 0 1W 5 0 S M CARB R380 ERJ6GEY0R00 0 1W 5 0 WOUND R461 ERW2PK2R2 2W 10 2R2 METAL R702 ERQ12HJ220 0 5W 5...

Page 21: ...TNP8EY012AF MISCELLANEOUS COMPONENTS OUTER CARTON TPC8E4685 TOP CUSHION TPD8E639 BOTTOM CUSHION TPD8E640 ANODE LEAD ZTUZAE550A I C s ERROR AMPLIFER IC850 SE140N EAROM IC1103 XGL2 01FP DIODES DIODE D90...

Page 22: ...AP C906 ECUV1H471KBX 50V 470pF S M CAP C908 ECUV1H151JCX 50V 150pF CERAMIC C909 ECKC2H472J 500V 4 7nF CERAMIC C910 ECKC2H472J 500V 4 7nF S M CAP C911 ECUV1H151JCX 50V 150pF ELECT C912 ECEA2CU100 160V...

Page 23: ...printing and are subject to change without notice REMARKS 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...

Page 24: ......

Page 25: ......

Page 26: ......

Page 27: ......

Page 28: ......

Page 29: ...Q856 F9 D865 I9 IC1104 C9 Q855 J5 D864 I10 IC1103 F8 Q854 B4 D863 G9 IC1102 D10 Q853 B4 D862 N10 IC1101 D8 Q852 B5 D861 J9 IC1051 A10 Q850 F5 D860 I10 IC852 I10 Q701 J5 D859 H5 IC851 G5 Q552 N3 D858 E...

Page 30: ...54 A7 Q353 G6 Q352 F6 Q351 F6 DIODES D906 F1 D905 G4 D904 D3 D902 G4 D901 G3 D364 C9 D363 C8 D362 B9 D361 B7 D360 D8 D359 G6 D358 E7 D357 F7 D356 G7 D355 F7 D354 G7 TEST POINTS TPY6 B8 TPY5 D5 TPY4 E5...

Page 31: ...5 D355 F6 D356 G5 D357 G5 D358 F5 D359 G5 D360 C6 D361 B6 D362 D7 D363 D7 D364 D7 TEST POINTS TPY1 E4 TPY2 F5 TPY3 F4 TPY4 E3 TPY5 D3 TPY6 B6 TRANSISTORS Q351 G4 Q352 F4 Q353 G4 Q354 C7 I C S IC351 E6...

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