background image

Description

Cct Ref

Parts Number

Description

Cct Ref

Parts Number

S.M.CARB

R451  

ERJ6GEYJ223

0.1W

5%

22K

S.M.CARB

R452  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R453  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R454  

ERJ6GEYJ752 

0.1W

5%

7K5

S.M.CARB

R455  

ERJ6GEYJ222

0.1W

5%

2K2

S.M.CARB

R456  

ERJ6GEYJ104

0.1W

5%

100K

S.M.CARB

R457  

ERJ6GEYJ223

0.1W

5%

22K

CARBON  

R458  

ERD25TJ1R5  

0.25W

5%

1R5

S.M.CARB

R459  

ERJ6GEYJ101

0.1W

5%

100

CARBON

R460  

ERDS1TJ331  

0.5W

5%

330

CARBON

R463  

ERD25TJ222

0.25W

5%

2K2

S.M.CARB

R464  

ERJ6GEYJ182

0.1W

5%

1K8

S.M.CARB

R465  

ERJ6GEYJ681

0.1W

5%

680

S.M.CARB

R502  

ERJ6GEYJ511 

 0.1W

 5%

  510

CARBON  

R506  

ERD25TJ560  

0.25W

5%

56

METAL

R507  

ERG1FJ271P  

1W

5%

270

CARBON

R509  

ERDS1TJ152

0.5W

5%

1K5

CARBON  

R510  

ERDS1FJ152  

0.5W

5%

1K5

METAL   

R553  

ERG1SJ152   

1W

5%

1K5

METAL   

R554  

ERG1SJ101   

1W

5%

100

METAL   

R555  

ERQ12HKR33  

0.5W

5%

R33

CARBON  

R558  

ERDS1TJ124  

0.5W

5%

120K

METAL   

R559  

ERQ12HKR33  

0.5W

5%

R33

S.M.CARB

R560  

ERJ6GEYJ274 

0.1W

5%

270K

S.M.CARB

R561  

ERJ6GEYJ273

0.1W

5%

27K

S.M.CARB

R563  

ERJ6GEYJ474

0.1W

5%

470K

S.M.CARB

R564  

ERJ6GEYJ623 

0.1W

5%

62K

S.M.CARB

R566  

ERJ6GEYJ563

0.1W

5%

56K

WOUND

R567  

ERF7ZK1R0   

7W 10%

1

S.M.CARB

R601  

ERJ6GEYJ101

0.1W

5%

100

S.M.CARB

R602  

ERJ6GEYJ821

0.1W

5%

820

S.M.CARB

R603  

ERJ8GEYJ103 

.125W

5%

10K

S.M.CARB

R604  

ERJ6GEYJ101

0.1W

5%

100

CARBON

R605  

ERD25TJ331

0.25W

5%

330

CARBON

R606  

ERD25TJ331

0.25W

5%

330

S.M.CARB

R607  

ERJ6GEYJ821

0.1W

5%

820

S.M.CARB

R608  

ERJ6GEYJ271

0.1W

5%

270

S.M.CARB

R609  

ERJ6GEYJ122

0.1W

5%

1K2

S.M.CARB

R610  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R611  

ERJ6GEYJ103

0.1W

5%

10K

S.M.CARB

R612  

ERJ6GEYJ101

0.1W

5%

100

S.M.CARB

R613  

ERJ6GEYJ152

0.1W

5%

1K5

S.M.CARB

R622  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R636  

ERJ6GEYJ750

0.1W

5%

75

S.M.CARB

R645  

ERJ6GEYJ103

0.1W

5%

10K

S.M.CARB

R647  

ERJ6GEYJ472

0.1W

5%

4K7

S.M.CARB

R648  

ERJ6GEYJ152

0.1W

5%

1K5

S.M.CARB

R650  

ERJ6GEYJ750

0.1W

5%

75

S.M.CARB

R651  

ERJ6GEYJ750

0.1W

5%

75

S.M.CARB

R652  

ERJ6GEYJ102

0.1W

5%

1K

S.M.CARB

R654  

ERJ6GEYJ622

0.1W

5%

6K2

S.M.CARB

R655  

ERJ6GEYJ103

0.1W

5%

10K

S.M.CARB

R658  

ERJ6GEYJ153

0.1W

5%

15K

S.M.CARB

R659  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R660  

ERJ6GEY0R00

0.1W

5%

0

FUSIBLE 

R701  

ERQ12AJ101  

0.5W

5%

100

METAL   

R703  

ERG2FJ821   

2W

5%

820

S.M.CARB

R704  

ERJ6GEYJ563

0.1W

5%

56K

S.M.CARB

R705  

ERJ6GEYJ104

0.1W

5%

100K

S.M.CARB

R706  

ERJ6GEYJ103

0.1W

5%

10K

S.M.CARB

R707  

ERJ6GEYJ391

0.1W

5%

390

S.M.CARB

R708  

ERJ6GEYJ393

0.1W

5%

39K

S.M.CARB

R709  

ERJ6GEYJ393

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

R806  

ERD25TJ100

0.25W

5%

10

CARBON

R807  

ERD25TJ332

0.25W

5%

3K3

CARBON

R809  

ERD25TJ681

0.25W

5%

680

WOUND

R810  

ERW2PKR33   

2W 20%

R33

WOUND

R811  

ERW2PKR33   

2W 20%

R33

CARBON

R812  

ERD75TAJ825

0.75W

5%

8M2

WOUND   

R813  

ERF7ZK2R7   

7W 20%

2R7

CARBON

R814  

ERD25TJ473

0.25W

5%

47K

CARBON

R815  

ERD25TJ222

0.25W

5%

2K2

CARBON

R850  

ERD25TJ122

0.25W

5%

1K2

S.M.CARB

R852  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R853  

ERJ6GEYJ102

0.1W

5%

1K

METAL   

R854  

ERG2FJ223   

2W

5%

22K

S.M.CARB

R855  

ERJ6GEYJ752 

0.1W

5%

7K5

S.M.CARB

R857  

ERJ6GEYJ752 

0.1W

5%

7K5

S.M.CARB

R858  

ERJ6GEYJ752 

0.1W

5%

7K5

S.M.CARB

R859  

ERJ6GEYJ753 

0.1W

5%

75K

FUSIBLE

R860  

ERQ1CJP2R2  

1W 10%

2R2

CARBON

R861  

ERD25TJ221

0.25W

5%

220

CARBON

R862  

ERD25TJ272  

0.25W

5%

2K7

CARBON

R863  

ERDS1TJ560  

0.5W

5%

56

CARBON  

R864  

ERDS1TJ680  

0.5W

5%

68

S.M.CARB

R865  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R867  

ERJ6GEYJ103

0.1W

5%

10K

S.M.CARB

R868  

ERJ6GEYJ223

0.1W

5%

22K

S.M.CARB

R869  

ERJ6GEY0R00

0.1W

5%

0

S.M.CARB

R870  

ERJ6GEYJ272

0.1W

5%

2K7

S.M.CARB

R871  

ERJ6GEYJ153

0.1W

5%

15K

METAL

R872  

ERG1SJ183   

1W

5%

18K

METAL

R873  

ERG1SJ223   

1W

5%

22K

CARBON

R874  

ERD25TJ104

0.25W

5%

100K

S.M.CARB

R876  

ERJ6GEYJ103

0.1W

5%

10K

WOUND

R877  

ERW2PKR56   

2W 10%

R56

S.M.CARB

R878  

ERJ6GEYJ473

0.1W

5%

47K

S.M.CARB

R951  

ERJ6GEYJ391

0.1W

5%

390

S.M.CARB

R952  

ERJ6GEYJ102

0.1W

5%

1K

S.M.CARB

R953  

ERJ6GEYJ750

0.1W

5%

75

S.M.CARB

R954  

ERJ6GEYJ391

0.1W

5%

390

S.M.CARB

R1051 ERJ6GEYJ102

0.1W

5%

1K

S.M.CARB

R1052 ERJ6GEYJ271

0.1W

5%

270

S.M.CARB

R1053 ERJ6GEYJ103

0.1W

5%

10K

S.M.CARB

R1054 ERJ6GEYJ750

0.1W

5%

75

S.M.CARB

R1101 ERJ6GEYJ101

0.1W

5%

100

S.M.CARB

R1102 ERJ6GEYJ102

0.1W

5%

1K

S.M.CARB

R1103 ERJ6GEYJ331

0.1W

5%

330

S.M.CARB

R1104 ERJ6GEYJ331

0.1W

5%

330

S.M.CARB

R1105 ERJ6GEYJ101

0.1W

5%

100

S.M.CARB

R1106 ERJ6GEYJ104

0.1W

5%

100K

S.M.CARB

R1107 ERJ6GEYJ104

0.1W

5%

100K

S.M.CARB

R1108 ERJ6GEYJ102

0.1W

5%

1K

S.M.CARB

R1109 ERJ6GEYJ472

0.1W

5%

4K7

S.M.CARB

R1110 ERJ6GEYJ472

0.1W

5%

4K7

S.M.CARB

R1111 ERJ6GEYJ473

0.1W

5%

47K

S.M.CARB

R1112 ERJ6GEYJ473

0.1W

5%

47K

S.M.CARB

R1113 ERJ6GEYJ101

0.1W

5%

100

S.M.CARB

R1115 ERJ6GEYJ471

0.1W

5%

470

S.M.CARB

R1116 ERJ6GEYJ101

0.1W

5%

100

S.M.CARB

R1117 ERJ6GEYJ101

0.1W

5%

100

S.M.CARB

R1118 ERJ6GEYJ472

0.1W

5%

4K7

S.M.CARB

R1119 ERJ6GEYJ472

0.1W

5%

4K7

S.M.CARB

R1120 ERJ6GEYJ101

0.1W

5%

100

S.M.CARB

R1121 ERJ6GEYJ101

0.1W

5%

100

CARBON

R1122 ERD25TJ103

0.25W

5%

10K

S.M.CARB

R1123 ERJ6GEYJ101

0.1W

5%

100

16

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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