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PART NUMBER

DESCRIPTION               QTY

                  LOCATION

67-H30179-3A0

HEAT SINK

1

FOR IC301

67-H30705-3A0

HEAT SINK

1

FOR IC601

70-271510-00A

SERVICE CARD

1

FOR PRODUCTION USE

71-270870-0A9

LABEL

2

90-209770-SR1

SILICONE GREASE G-746 (1KG/CAN

0

FOR IC601 & Q412 & Q722

90-269080-ZU0

CLEAN COATING TC-131L 14KG/BAR

0

49-341790-BAT

BATTERY AA SIZE

2

72-29064T-E12

OPERATION MANUAL

1

74-022032-6WE

POLYBAG (22CMX32CMX0.06MM)

1

74-130130-80HAA

POLYBAG W/SUFFOCATION WARNING

1

75-2906LL-CC0

POLYFOAM "LL"

1

75-2906LR-CC0

POLYFOAM "LR"

1

75-2906UL-CC0

POLYFOAM "UL"

1

75-2906UR-CC0

POLYFOAM "UR"

1

76-02906A-0AT

CARTON BOX

1

08-02918T-PW2

ASS'Y - POWER PARTS (AUST)

10-0EG01C-FBX

DIODE EG01C (FAST RECTIFIER)

1

D803

10-0TEU1Z-FBX

DIODE EU1Z (FAST RECOVERY)

3

D804, D805, D806

10-1N4004-EBX

DIODE IN4004 (RECTIFIER)

1

D843

10-1N4148-ABX

DIODE 1N4148 (SWITCHING)

1

D842

10-55C10V-DBX

DIODE ZENER 10V 1/2W +/-5%

1

D840

10-55C16V-DBX

DIODE ZENER 16V 1/2W +/-5%

1

D807

10-55C2V4-DBX

DIODE ZENER 2V4 1/2W 5%

1

D841

10-55C3V9-DBX

DIODE ZENER 3.9V 1/2W +/-5%

1

D839

10-T3SB60-H7X

DIODE T3SB60 (BRIDGE RECT.)

1

DB801

10-TEU2YX-FBX

DIODE TEU2YX (FAST RECTIFIER)

2

D833, D834

10-TFR104-FBX

DIODE TFR104 (FAST RECOVERY)

1

D832

10-TRU3AM-F0X

DIODE TRU3AM (FAST RECOVERY)

1

D831

10-TRU4YX-F0X

DIODE TRU4YX (FAST RECOVERY)

1

D830

11-0BF422-0BX

TRANSISTOR BF422

1

Q831

11-SB649A-0AX

TRANSISTOR 2SB649A

1

Q830

11-SC4793-0AX

TRANSISTOR 2SC4793 (VM)

1

Q801

13-000L78-05S

IC L7805 CV 5V 1A (REGUALTOR)

1

IC841

13-00MC78-09S

IC MC7809C 9V 1A

1

IC851

13-00SE14-0NS

IC SE140N

1

IC831

13-SFH615-A3P

PHOTO COUPLER SFH615A3C

1

IC802

13-STRF66-56P

IC STR-F6656

1

IC801

18-CB0152-JNX

RES. C.F. 1.5K OHM 1/6W +/-5%

1

R833

18-CB0223-JNX

RES. C.F. 22K OHM 1/6W +/-5%

1

R840

18-CB0332-JNX

RES. C.F. 3.3K OHM 1/6W +/-5%

1

R838

18-CB0392-JNX

RES. C.F. 3.9K OHM 1/6W +/-5%

1

R841

18-CD0102-JNX

RES. C.F. 1K OHM 1/4W +/-5%

2

R805, R808

18-CD0272-JNX

RES. C.F. 2.7K OHM 1/4W +/-5%

1

R813

18-CD0470-JNX

RES. C.F. 47 OHM 1/4W +/-5%

1

R809

18-CD0479-JNX

RES. C.F. 4.7 OHM 1/4W +/-5%

1

R811

18-CD0560-JNX

RES. C.F. 56 OHM 1/4W +/-5%

1

R837

18-CD0829-JNX

RES. C.F. 8.2 OHM 1/4W +/-5%

1

R842

18-CE0105-JNX

RES. C.F. 1M OHM 1/2W +/-5%

2

R806, R806A

18-CE0563-JNX

RES. C.F. 56K OHM 1/2W +/-5%

2

R803, R804

18-FG0223-JHX

RES. M.O. 22K OHM 2W +/-5%

1

R836

18-FG0333-JHX

RES. M.O. 33K OHM 2W +/-5%

2

R810, R839

18-GG0158-JHX

RES WIRE ROUND 0.15 OHM 2W 5%

1

R807

18-GG0228-JHX

RES WIRE ROUND 0.22 OHM 2W 5%

1

R830

18-KE0105-JNX

RES. H. VOLT. CC 1M OHM 1/2W

1

R801

18-KF0825-JHX

VOLTAGE RES. 8.2M OHM 2W +/-5%

1

R835

22-NTC479-XX0

NTC 4.7 OHM +/-18% NTC4.7D2-14

1

R802

22-PTC140-XX0

PTC 14 OHM

1

RT801

25-BCB331-M1X

CAP. ELEC 330 UF 16V +/-20%

2

C843, C846

25-BCB470-M1X

CAP. ELEC 47 UF 16V +/-20%

2

C849, C855

25-BDB470-M1X

CAP. ELEC 47 UF 25V +/-20%

1

C809

25-BEA102-M1X

CAP. ELEC 1000 UF 35V +/-20%

1

C832

25-BKA100-M1X

CAP. ELEC 10 UF 200V +/-20%

2

C808, C838

25-BKJ221-M1X

CAP. ELEC 220 UF 200V +/-20%

1

C835

25-BMJ221-M11

CAP. ELEC 220 UF 400V +/-20%

1

C806

26-AIC221-KBX

CAP. CER 220 PF 500V +/-10% B

5

C830, C833, C836, C841, C844

26-AIM103-KBX

CAP. CER 0.01 UF 500V +/-10% B

3

C805, C834, C837

26-AKK222-KRX

CAP. CER 2200 PF 1KV +/-10% R

1

C814

26-AMK221-JZX

CAP. CER 220 PF 2KV +/-5% SL

1

FOR P2 - P3 OF IC801

Page 6 of 7

CTM6840

Summary of Contents for CT-M6840

Page 1: ...SERVICE MANUAL CTM6840 68CM CTV Effective JULY02 CTM6840SERV ...

Page 2: ...NTSC QC checking Enter D Mode by pressing D Mode ON OFF key and then you can enter the D mode Enter S Mode by pressing VOLUME DOWN key on the unit until the volume decrease to minimum level then press the DISPLAY key on the remote handset don t release the volume key and you can enter S mode After enter D mode or S mode you can adjust the setting according to the following procedure Press 1 to ent...

Page 3: ...put level at 25 9 Volume output level at 50 Press 7 to enter system setting System setting 9 System setting System setting System setting System setting System setting System setting Press 8 to enter picture alignment menu 1 SCNT Sub contrast for luminance signal CNTX Maximum contrast CNTN Minimum contrast 9 BRTX Maximum brightness 9 BRTN Minimum brightness 9 COLX Maximum color COLN Minimum color ...

Page 4: ... the voltage at pin 48 of IC201 becomes 4 62 0 2V the picture must stable 4 Enter D mode and press the AFT update BBE button It will start Auto AFT Adjustment and the screen will show PIFAFT OK if the process is finished 1 Apply a 38 9MHz color bar with NICAM signal to the IF input 2 Monitor the DC voltage at pin 15 of IC1101 3 Adjust T1101 until the voltage at pin 15 of IC1101 becomes 2 5 0 1V 4 ...

Page 5: ...nter D mode and press 1 key and the screen will become a horizontal line Then adjust the SCREEN VR on the flyback transformer to set the intensity of the line to a minimum visible level the line can just be seen 4 Press 1 key again and the TV will become full raster 5 Select BRTC to adjust the sub brightness until that the 2 dark bar of 8 level grey scales just can be seen 1 Receive a black and wh...

Page 6: ... NTSC signal to the RF input in STANDARD status 2 Select HPOS60 to adjust the Horizontal center 3 Select VPOS60 to adjust the Vertical center 4 Select HIGH60 to adjust the Vertical amplitude 5 Select VLIN60 to adjust the vertical linearity 6 Select VSC60 to adjust the vertical S correction 1 Enter D mode and press key 0 then choose OSD item and adjust the OSD horizontal position 2 Enter D mode and...

Page 7: ...alue 00 BIT Item 0 Blanking 0 on 1 off 1 2 3 4 5 V Mute timing 200ms 8ms Data 6 Base band filter in NTSC system 0 on 1 off 7 VMOD VCDM2 default value 40 for 38MHz IF 30 for 38 9MHz IF BIT Item 0 AFT mute 0 on 1 off 1 SECAM ADJ 0 SECAM correction off 1 SECAM correction on 2 TB1238N_VMOD 3 PIF VCO ADJ 0 follow bit 0 1 manual adjust 6 5 4 IF frequency 111 33 9MHz 110 33 95MHz 101 34 47MHz 100 38MHz 0...

Page 8: ...o use 4 BG 0 off 1 on 5 I 0 off 1 on 6 DK 0 off 1 on 7 M 0 off 1 on OPTION default value 04 BIT Item 0 When blue background off mute pin of CPU 0 audio mute on 1 audio mute off 1 When blue background off external mute pin of CPU 0 audio mute on 1 audio mute off 2 When change channel 0 picture mute off 1 picture mute on 3 Audio demodulation gain setting 0 50KHz 1 25KHz 4 When no signal 0 search cha...

Page 9: ... SP602 44 29OFLS SJ2A CRT A68QBT892X50 AUST 1 CRT01 46 26514H 04X HS 4P A B 500 13 RBGW TJC1 4Y 1 P411H FOR D Y COIL 46 27580H 02X HS 2P22 600 7 F W TJC3 2Y 1 P602H FOR M BD P602 46 27580H 02X HS 2P22 600 7 F W TJC3 2Y 1 P601H FOR M BD P601 54 113971 0UE PVC TUBE 6 L 160MM 2 FOR SPEAKER CONNECTORS 54 114000 00X FELT TAPE 150X19MM 4 FOR F CAB SPEAKER 54 205140 000 SPACER CRT MOUNTING T 2MM 4 MTG CR...

Page 10: ...RANSISTOR 2SD1499Q POWER 1 Q722 11 SK2541 0BX TRANSISTOR 2SK2541 N CHANNEL 2 Q052 Q212 13 000040 52P IC 4052 2 IC961 IC962 13 00M24C 08P IC M24C08 EEPROM 8K 1 IC002 13 00TA84 27P IC TA8427K 1 IC301 13 0TDA26 16S IC TDA2616 AUDIO O P 1 IC601 13 TA1216 ANP IC TA1216AN 1 IC651 13 TB1240 ANP IC TB1240AN 1 IC201 13 TCLM13 V1P IC TCLM13V1 3CD4 CPU 1 IC001 14 LED05R XX0 LED HFR105 5MM 1 D031 18 CB0101 JN...

Page 11: ...2 OHM 1 2W 5 1 R305 18 CE0470 JNX RES C F 47 OHM 1 2W 5 1 R103 18 DF0109 JGX RES M F 1 OHM 1W 5 1 R461 18 EG0109 JHX RES FUS 1 OHM 2W 5 1 R431 18 FE0121 JNX RES M O 120 OHM 1 2W 5 1 R306 18 FE0472 JNX RES M O 4 7K OHM 1 2W 5 1 R471 18 FF0103 JGX RES M O 10K OHM 1W 5 1 R421 18 FF0221 JGX RES M O 220 OHM 1W 5 1 R307 18 FF0242 JGX RES M O 2 4K OHM 1W 5 1 R402 18 FF0681 JGX RES M O 680 OHM 1W 5 1 R411...

Page 12: ...4 J0X CAP M P E 0 47 UF 50V 5 5 C225 C243 C251 C603 C604 27 MCC272 J0X CAP P E 2700 PF 100V 5 1 C471 27 PBC103 J0X CAP P E 0 01UF 50V 5 1 C052 27 PBC222 J0X CAP P E 2200 PF 50V 5 2 C207 C221 27 PBC223 J0X CAP P E 0 022UF 50V 5 3 C201 C611 C612 27 PBC273 J0X CAP P E 0 027UF 50V 5 2 C653 C659 27 PBC333 J0X CAP P E 0 033UF 50V 5 1 C302 27 PBC393 J0X CAP P E 0 039UF 50V 5 1 C308 27 PBC472 J0X CAP P E ...

Page 13: ...RE JUMPER 17MM 3 J231 J240 J835 41 WJ0175 B00 WIRE BARE JUMPER 17 5MM 6 J223 J249A J251 J661 J771 J811 41 WJ0180 B00 WIRE BARE JUMPER 18MM 5 J212 J213 J214 J215 J623 41 WJ0190 B00 WIRE BARE JUMPER 19MM 1 J823 41 WJ0195 B00 WIRE BARE JUMPER 19 5MM 3 J323 J355 J641 41 WJ0200 B00 WIRE BARE JUMPER 20MM 7 J312 J427 J624 J626 J727 J824 J831 45 FIL5M5 0Y0 CER FILTER 5 5 MHZ 1 Z261 45 OSC4M4 3Y0 CRYSTAL 4...

Page 14: ...C MC7809C LINEAR 9V 1A 1 IC851 13 00SE14 0NS IC SE140N 1 IC831 13 SFH615 A3P PHOTO COUPLER SFH615A3C 1 IC802 13 STRF66 56P IC STR F6656 1 IC801 18 CB0152 JNX RES C F 1 5K OHM 1 6W 5 1 R833 18 CB0223 JNX RES C F 22K OHM 1 6W 5 1 R840 18 CB0332 JNX RES C F 3 3K OHM 1 6W 5 1 R838 18 CB0392 JNX RES C F 3 9K OHM 1 6W 5 1 R841 18 CD0102 JNX RES C F 1K OHM 1 4W 5 2 R805 R808 18 CD0272 JNX RES C F 2 7K OH...

Page 15: ...075 B00 WIRE BARE JUMPER 7 5MM 1 J471 41 WJ0100 B00 WIRE BARE JUMPER 10MM 3 J371 J654 J655 41 WJ0125 B00 WIRE BARE JUMPER 12 5MM 3 J361 J492 R831 41 WJ0145 B00 WIRE BARE JUMPER 14 5MM 1 J491 41 WJ0150 B00 WIRE BARE JUMPER 15MM 1 R812 41 WJ0155 B00 WIRE BARE JUMPER 15 5MM 2 J561 J562 41 WJ0175 B00 WIRE BARE JUMPER 17 5MM 2 J271 J281 41 WJ0180 B00 WIRE BARE JUMPER 18MM 1 J353 41 WJ0190 B00 WIRE BARE...

Page 16: ......

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