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 CONTROL BLOCK DIAGRAM

9

H3

3

E63

1

E18

6

5

4

SDA 1

SCL 1

SDA 2

SCL 2

SERVICE / TEST

IC2101

IC1101

TUNER

IC601

IC1103

6

5

50

SCL 2

SDA 2

4

3

SDA 1

SCL 1

SCL

SDA

48

49

8

7

4

5

IC3401

71

LOCAL

KEYS

SWITCH
MATRIX

60

52

74

IC1051

81

AV2

8

10

AV1

8

10

12

75

51

72

73

AV LINK

SLOW 2

SLOW 1

SCL 1

SDA 1

59

58

55

VPROT

KEYSCAN

ON/OFF

R.C.

L.E.D.

PROT 1

SLOW 2

OUT

IN

S

L

OW

 1

SERVI

C

E

SCL

SDA

H - BOARD

E - BOARD

VIDEO

SWITCHING

AUDIO

PROCESSOR

MICRO

PROCESSOR

VIDEO

PROCESSOR

EAROM

REMOTE

CONTROL

RECEIVER

3

Содержание TX-21MK1P/M

Страница 1: ...ITOR OUT Audio RCAx2 500mV rms 1kΩ AV1 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ RGB 21 pin AV1 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ AV2 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ S Video IN Y 1V p p 75Ω 21 pin C 0 3V p p 75Ω AV2 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ Selectable output 21 pin AV3 IN Audio RCAx2 500mV rms 10kΩ Video RCAx1 1...

Страница 2: ...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 a c cord directly into the a c outlet Do not use an isolation transformer for this check 2 Connec...

Страница 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 ...

Страница 4: ... set at the same time pressing the STATUS button on the remote control To exit Self Check switch off the TV set at the power button If the CCU ports have been checked and found to be incorrect or not located then will appear in place of O K Service Aids To aid in the service of our current chassis there are a number of Service Aids which have been made available LUCI interface kit Linked Utility C...

Страница 5: ...275mV 64µS 64µS 3V H Out IC601 Pin 50 Vert Out IC601 Pin 31 20mS 0 7V 13µS 3 7V SCL IC1201 Pin 3 R Out E8 Pin 5 64µS 4 6V HFLB IC601 Pin 13 64µS 6 2V R Out IC601 Pin 37 64µS 275mV G Out IC601 Pin 38 275mV 64µS Vert Drive IC451 Pin 2 20mS 57V HFLB IC701 Pin 8 64µS 1 5V G Out E8 Pin 3 64µS 4 4V SVM Out IC601 Pin 34 88mV 64µS H Out IC701 Pin 5 30mV 64µS ...

Страница 6: ...al 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 changing slowly and press STR Cut off DC Cut off 0171 Ug2 Test Ug2 055 O K To adjust Cutoff connect an oscilloscope to the blue cathode adjust cutoff value using the Yellow and Blue buttons until the black ...

Страница 7: ... Q303 Q301 E8 4 3 5 Q353 Q352 Q351 CRT 3 2 1 7 8 9 Y2 4 3 5 IC351 Q104 5HG OXH UHHQ 9LGHR Q 9 9LGHR 2XW G OUT 38 R OUT 37 G IN 46 R IN 45 Q304 Q302 Q354 7 7 VM COILS Q905 Q907 Q909 Q908 Q906 SVM OUT 34 Q950 Q951 Q3001 G 38 B 39 Y BOARD E BOARD RGB OUTPUT VIDEO PROCESSOR MICRO PROCESSOR H3 E61 E15 1 6 8 H1 1 6 8 H BOARD TX 28MK1P M ONLY TX 28MK1P M ONLY IC3401 Q3402 8 6 3 VIDEO SWITCHING ...

Страница 8: ...R 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 HEADPHONE 7 R 5 L E6 1 E7 3 21 DACA_R 22 DACA_L E BOARD AUDIO PROCESSOR AUDIO OUTPUT AUDIO MONITOR OUT Q2304 Q2302 Q2303 Q2301 ...

Страница 9: ... SCL 1 SCL SDA 48 49 8 7 4 5 IC3401 71 LOCAL KEYS SWITCH MATRIX 60 52 74 IC1051 81 AV2 8 10 AV1 8 10 12 75 51 72 73 AV LINK SLOW 2 SLOW 1 SCL 1 SDA 1 59 58 55 VPROT KEYSCAN ON OFF R C L E D PROT 1 SLOW 2 OUT IN SLOW 1 SERVICE SCL SDA H BOARD E BOARD VIDEO SWITCHING AUDIO PROCESSOR MICRO PROCESSOR VIDEO PROCESSOR EAROM REMOTE CONTROL RECEIVER 3 ...

Страница 10: ... 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 PROCESSOR AUDIO PROCESSOR VIDEO PROCESSOR EPROM EAROM RESET REG REG REG IC3401 7 VIDEO SWITCHING EW CORRECTION POWER SUPPLY RGB OUTPUT V OUTPUT AUDIO OUTPUT D801 E BOARD Y BOARD E3 2 Y3 2 E1 4 1 E2 2 1 R80...

Страница 11: ...PARTS LOCATION 11 NOTE The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List 20 21 16 15 13 14 4 19 5 9 3 18 12 17 6 1 7 2 8 11 10 ...

Страница 12: ...Y IC801 STRF6654LF51 12V REGULATOR IC851 L78M12MRB 8V REGULATOR IC853 AN78L08TA LED RECEIVER IC1051 RPM6937 V4 MICRO PROCESSOR IC1101 SDA5450C47 EPROM IC1102 27C2001 G09 RESET IC1104 MN1381 R TA RESET IC1105 MN1381 T TA AUDIO PROCESSOR IC2101 MSP3410DPOB4 VIDEO SWITCHING IC3401 TEA2114 FUSES FUSE F802 19181 3 15 FUSE HOLDER F8021 EYF52BC FUSE HOLDER F8022 EYF52BC DIODES DIODE D251 MA2180BLFS DIODE...

Страница 13: ...STOR 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 BC847...

Страница 14: ...JSH001 ERJ6GEY0R00 0 1W 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 3K3 S M CARB R105 ERJ6GEYJ101 0 1W 5 100 S M CARB R106 ERJ6GEYJ681 0 1W 5 680 S M CARB R107 ERJ6GEYJ102 0 1W 5 1K S M CARB R111 ERJ6GEY0R00 0 1W 5 0 S M CARB R112 ERJ6GEYJ101 0 1W 5 100 S M CARB R113 ERJ6GEYJ223 0 1W 5 22K S M CAR...

Страница 15: ... 5 10 CARBON R807 ERD25TJ332 0 25W 5 3K3 CARBON R809 ERD25TJ681 0 25W 5 680 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 ERJ6GE...

Страница 16: ...12 ERJ6GEYJ103 0 1W 5 10K S M CARB R3001 ERJ6GEYJ101 0 1W 5 100 S M CARB R3002 ERJ6GEYJ471 0 1W 5 470 S M CARB R3003 ERJ6GEYJ101 0 1W 5 100 S M CARB R3004 ERJ6GEYJ153 0 1W 5 15K S M CARB R3005 ERJ6GEYJ101 0 1W 5 100 S M CARB R3006 ERJ6GEYJ471 0 1W 5 470 S M CARB R3007 ERJ6GEYJ101 0 1W 5 100 S M CARB R3008 ERJ6GEYJ153 0 1W 5 15K S M CARB R3009 ERJ6GEYJ750 0 1W 5 75 S M CARB R3010 ERJ6GEYJ750 0 1W 5...

Страница 17: ... CAP C601 ECUV1H104KBX 50V 100nF ELECT C602 ECA1HM101GB 50V 100µF S M CAP C603 ECUV1H102JCX 50V 1nF ELECT C604 ECJ2VF1H223Z 350V 22nF ELECT C605 ECA1HM101GB 50V 100µF ELECT C606 ECA1HM3R3GB 50V 3 3µF ELECT C607 ECJ2VF1H104Z 350V 100nF S M CAP C608 ECUV1H153KBX 50V 15nF S M CAP C609 ECUV1H153KBX 50V 15nF S M CAP C610 ECUV1H153KBX 50V 15nF S M CAP C611 ECUV1H153KBX 50V 15nF S M CAP C612 ECUV1H153KBX...

Страница 18: ...1H010CCX 50V 1pF S M CAP C2128 ECUV1H010CCX 50V 1pF ELECT C2129 ECA1CM102B 16V 1pF ELECT C2130 ECA1CM331B 16V 330µF S M CAP C2131 ECUV1H103ZFX 50V 10nF S M CAP C2132 ECUV1H103ZFX 50V 10nF S M CAP C2134 ECUV1H103ZFX 50V 10nF ELECT C2135 ECA1HM101GB 50V 100µF ELECT C2136 ECJ2VF1H104Z 350V 100nF ELECT C2137 ECA1CM100GB 16V 10µF S M CAP C2138 ECUV1H471KBX 50V 470pF S M CAP C2139 ECUV1H221JCX 50V 220pF...

Страница 19: ... 22 WOUND R810 ERW2PKR33 2W 20 R33 CAPACITORS S M CAP C364 ECUV1H103ZFX 50V 10nF ELECT C365 ECA1CM100GB 16V 10µF CERAMIC C551 ECKC3D271JB 2KV 10µF FILM C555 ECWH15H822JN 1500V 8 2nF FILM C556 ECQF4123JZH 400V 12nF FILM C559 ECWF2474JBB 500V 470nF DIFFERENCES FOR MODEL TX 28MK1P M MECHANICAL PARTS ANODE LEAD 11 ZTUZAE550A BACK COVER 12 TKU8E00350 C R T 13 A66ECF50X42 CABINET 14 TKY8E194 1 CRT FIXIN...

Страница 20: ...471 0 25W 5 470 CARBON R928 ERD25TJ5R6 0 25W 5 5R6 CARBON R929 ERDS1FJ471 0 5W 5 470 CARBON R930 ERD25TJ5R6 0 25W 5 5R6 CARBON R931 ERDS1FJ390 0 5W 5 39 FUSIBLE R935 ERQ14AJW3R9 0 25W 5 3R9 FUSIBLE R936 ERQ1CJP331 1W 5 330 CAPACITORS ELECT C364 ECJ2VF1H103Z 350V 10nF ELECT C366 ECA1CM100GB 16V 10µF CERAMIC C551 ECKC3D152J 2KV 1 5nF FILM C554 ECWF2H514J 500V 510nF FILM C555 ECWH15H103JN 1500V 10nF ...

Страница 21: ... 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 cold circuits as electrical components may be damaged c Do not connect an instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may cause fuse failure Connect the ear...

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Страница 27: ...5 F7 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 IC853 J9 Q701 J5 D859 H5 IC852 I10 Q552 N3 D858 E5 IC851 G5 Q551 K1 D857 E5 IC850 H4 Q503 I2 D856 F4 IC801 G2 Q451 F8 D855 F4 IC701 K5 Q305 K9 D854 G4 IC601 L7 Q304 K9 D853 H3 IC451 L5 Q303 K9 D852 I4 IC251 D6 Q302 J9 D851 I4 Q301 K9 D850 H4 TP...

Страница 28: ...4 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 TPY3 F6 TPY2 E7 TPY1 G6 IC S IC351 E8 28 H G F E D C B A 1 2 3 4 5 6 7 8 9 ...

Страница 29: ...4 G5 D355 F6 D356 G5 D357 G5 D358 F5 D359 G5 D360 C6 D361 B6 D362 D7 D363 D7 D364 D7 TEST POINTS PY1 E4 PY2 F5 PY3 F4 PY4 E3 PY5 D3 PY6 B6 TRANSISTORS Q351 G4 Q352 F4 Q353 G4 Q354 C7 I C S IC351 E6 29 1 2 3 4 5 6 7 A C B D E F G H ...

Страница 30: ...H BOARD TNP8EH002 TRANSISTORS Q3401 C3 Q3402 A2 I C S IC3401 C2 30 1 2 3 A C B ...

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