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PART NUMBER

DESCRIPTION               QTY

                  LOCATION

25-GFB109-K1X

CAP. ELEC 1UF 50V +/-10%

1

C223

26-AIC221-KBX

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

2

C431, C441

26-AIC332-KBX

CAP. CER 3300 PF 500V +/-10% B

1

C402

26-AIC391-KBX

CAP. CER 390 PF 500V +/-10% B

1

C403

26-AIM103-KBX

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

1

C401

26-EBP101-JCX

CAP. CER 100 PF 50V +/-5% CH

5

C032, C071, C254, C255, C272

26-EBP102-KBX

CAP. CER 1000 PF 50V +/-10% B

15 C001, C002, C013, C061, C062, C127, C224, C265, 

C305, C312, C411, C602, C606, C942, C971

26-EBP103-ZFX

CAP. CER 0.01UF 50V +80-20% F

19 C075, C083, C111, C121, C125, C126, C203, C205, 

C215, C226, C229, C256, C273, C275, C657, C732, 
C935, C961, C962

26-EBP104-ZFX

CAP. CER 0.1UF 50V +80-20% F

10 C107, C114, C204, C609, C635, C673, C674, C675, 

C745, C945

26-EBP120-JCX

CAP. CER 12 PF 50V +/-5% CH

1

C209

26-EBP150-JCX

CAP. CER 15 PF 50V +/-5% CH

4

C041, C042, C043, C044

26-EBP220-JCX

CAP. CER 22 PF 50V +/-5% CH

2

C053, C054

26-EBP221-JCX

CAP. CER 220 PF 50V +/-5% CH

4

C021, C092, C112, C228A

26-EBP222-KBX

CAP. CER 2200PF 50V +/-10% B

1

C452

26-EBP300-JZX

CAP. CER 30 PF 50V +/-5% SL

2

C055, C056

26-EBP330-JZX

CAP. CER 33 PF 50V 5% SL TUBU

2

C128, C953

26-EBP331-JCX

CAP. CER 330 PF 50V +/-5% CH

6

C004, C063, C084, C085, C091, C301

26-EBP390-JCX

CAP. CER 39 PF 50V +/-5% CH

1

C051

26-EBP470-JZX

CAP. CER 47 PF 50V +/-5% SL

5

C072, C073, C261, C262, T141

27-AHR434-J0X

CAP. M.PP 0.43 UF 400V +/-5%

1

C418

27-ALQ272-J0X

CAP. M.PP 0.0027UF 1.6KV +/-5%

1

C413

27-ALR722-J0X

CAP. M.PP 7200 PF 1.6KV +/-5%

1

C415

27-ALR762-J0X

CAP. M.PP 7600 PF 1.6KV +/-5%

1

C414

27-MBC104-J0X

CAP. M.P.E.0.1 UF 50V +/-5%

6

C102, C211, C212, C213, C242, C252

27-MBC224-J0X

CAP. M.P.E. 0.22 UF 50V +/-5%

2

C113, C307

27-MBC474-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. 4700PF 50V +/-5%

1

C244

27-PBC563-J0X

CAP. P.E 0.056 UF 50V +/-5%

1

C304

27-PBC822-J0X

CAP. P.E. 8200 PF 50V +/-5%

2

C652, C656

27-RHQ223-J0X

CAP. PP 0.022 UF 400V +/-5%

1

C416

27-RHQ563-J0X

CAP. PP 0.056 UF 400V +/-5%

1

C451

34-A109K2-0IX

COIL CHOKE 1 UH +/-10% (5MM)

1

L121

34-A608K6-1BX

COIL CHOKE 0.6 UH +/-10%

1

L412

34-R100J2-0EX

COIL PL - 10 UH +/-5%

1

L252

34-R101J2-0EX

COIL PL - 100 UH +/-5%

3

L201, L211, L271

34-R120J2-0EX

COIL PL - 12 UH +/-5%

2

L256, L262

34-R220J2-0EX

COIL PL - 22 UH +/-5%

3

L051, L081, L251

34-R229J2-0EX

COIL PL - 2.2 UH +/-5%

1

L053

36-HDR001-XX1

TRANSFORMER HORIZ DRIVE

1

T401

36-LIN210-XX1

COIL LINEARITY 21 UH

1

L413

36-WID801-XX1

COIL WIDTH 800 UH

1

L414

37-BSC290-1650X

FLYBACK BSC29-0165

1

T461

38-236560-00X

COIL I.F.T. 236560 FOR VCO

1

T271

40-2916MT-MAG

P.C.B. MAIN BD

1

41-BF0080-0BB

WIRE UL 1007 #24 80MM BLACK

1

FOR J731(R954) TO P1/P1200

41-RE0050-1BB

WIRE UL 1672 #22 50MM BROWN

1

FOR P602(GND) TO C610(GND)

41-WJ0050-B00

WIRE BARE JUMPER 5MM

1

FOR Q749 (B - E)

41-WJ0050-B00

WIRE BARE JUMPER 5MM

21 C744, C946, J022, J410A, J415, J416, J417, J418, 

J419, J420, J435, J436, J437, J525, J636, J637, J638, 
J773, J871, J954, J955

41-WJ0060-B00

WIRE BARE JUMPER 6MM

40 J044, J075, J081, J123, J132, J141, J229, J230, J232, 

J242, J261, J301, J327, J328, J338, J401, J421, J512, 
J523, J543, J601, J633, J720, J732, J733, J825, J826, 
J832, J834, J836, J837, J838, J911, J921, R028A, 
R028B, R028C, R126, R224, R751

Page 4 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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