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SERVICE MANUAL

CTM3440

34CM CTV

Effective: JULY02

CTM3440SERV

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Summary of Contents for CT-M3440

Page 1: ...SERVICE MANUAL CTM3440 34CM CTV Effective JULY02 CTM3440SERV ...

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: ... X 8 AB 2 MTG F AV BD TO F CAB 02 GND014 XX0 ASS Y CRT GND WIRE HOUS 14 1 FOR CRT GROUNDING 36 200580 019 DEGAUSSING COIL JXC 40 1080 14 1 42 D7616A XX0 SPEAKER 76MM 16 OHM 1 5W 2 W601 W602 44 14OFLS IR2A CRT 37SX110Y22 DC05 SH AU 1 CRT01 46 20600H 04X HS 4P A B 360 13 RBGW TJC1 4Y 1 P401H FOR D Y COIL 46 27250H 02X HS 2P24 450 5 F W TJC3 2Y 1 P602H FOR M BD P602 46 37144H 02X HS 2P24 450 5 F W S1...

Page 10: ...633 R636 R915 R916 R917 R918 18 CB0104 JNX RES C F 100K OHM 1 6W 5 3 R035 R037 R042 18 CB0106 JNX RES C F 10M OHM 1 6W 5 1 R134 18 CB0123 JNX RES C F 12K OHM 1 6W 5 1 R231 18 CB0151 JNX RES C F 150 OHM 1 6W 5 2 R107 R109 18 CB0152 JNX RES C F 1 5K OHM 1 6W 5 1 R025 18 CB0153 JNX RES C F 15K OHM 1 6W 5 3 R004 R046 R902 18 CB0182 JNX RES C F 1 8K OHM 1 6W 5 2 R032 R642 18 CB0183 JNX RES C F 18K OHM ...

Page 11: ...7 UF 35V 20 1 C613 25 BFB100 M1X CAP ELEC 10 UF 50V 20 1 C219 25 BFB109 M1X CAP ELEC 1 UF 50V 20 11 C211 C234 C602 C615 C619 C622 C624 C904 C905 C907 C908 25 BFB229 M1X CAP ELEC 2 2 UF 50V 20 2 C003 C612 25 BFB478 M1X CAP ELEC 0 47 UF 50V 20 2 C213 C230 25 BFB479 M1X CAP ELEC 4 7 UF 50V 20 1 C104 25 BHB100 M1X CAP ELEC 10 UF 100V 20 1 C420 25 BJA470 M1X CAP ELEC 47 UF 160V 20 1 C411 25 BLA100 M1X ...

Page 12: ...10 J013 J014 J017 J018 J019 J020 J201 J205 J216 J226 J234 J240 J253 J304 J417 J418 J419 J607 J609 J610 J907 L411 R920 41 WJ0080 B00 WIRE BARE JUMPER 8 MM 1 FOR P1 P5 OF IC202 41 WJ0080 B00 WIRE BARE JUMPER 8 MM 5 J106 J244 J245 J602 J603 41 WJ0085 B00 WIRE BARE JUMPER 8 5MM 5 J002 J204 J207 J232 J237 41 WJ0090 B00 WIRE BARE JUMPER 9MM 3 J042 J404 J905 41 WJ0095 B00 WIRE BARE JUMPER 9 5MM 1 J235 41...

Page 13: ...22032 6WE POLYBAG 22CMX32CMX0 06MM 1 FOR OPERATION MANUAL 74 081081 80HAA POLYBAG W SUFFOCATION WARNING 1 75 253270 C01 POLYFOAM UR 1 75 253280 C01 POLYFOAM UL 1 75 253290 C01 POLYFOAM LR 1 75 253300 C01 POLYFOAM LL 1 75 314900 C00 POLYFOAM PLATE 2911DZ 1 76 01419A 0AT CARTON BOX 1 08 01419U PW3 ASS Y POWER PARTS AUST 10 0001H8 FBX DIODE 1H8 FAST RECOVERY 1 D804A 10 0RL255 EBX DIDEO RL255 RECTIFIE...

Page 14: ...ORMER CONV BCK 4001 34F 1 T802 41 AJ0125 BEE WIRE BARE JUMPER 12 5MM 1 L801 FOR FERR BEAD BF60 X2 41 WJ0050 B00 WIRE BARE JUMPER 5MM 10 C837 C850 J810 J811 J812 J813 J814 J815 J816 J817 41 WJ0060 B00 WIRE BARE JUMPER 6MM 1 J801A 41 WJ0075 B00 WIRE BARE JUMPER 7 5MM 2 J802 J805 41 WJ0140 B00 WIRE BARE JUMPER 14MM 1 J806 41 WJ0150 B00 WIRE BARE JUMPER 15MM 2 J801 J803 46 10962W 02X PIN BASE 2 TJC2 2...

Page 15: ...FB 0HA CASE LOWER REMOTE HANDSET 1 55 HS46FD 0HA DOOR BATT REMOTE HANDSET 1 55 HS46FT 0HA CASE UPPER REMOTE HANDSET 1 58 HS46F0 YUI INLAY IR TRANSMITTER BD 1 63 B26060 BT2 S T SCREW B 2 6 X 6 BT 1 67 26968X 0E2 BATT TERMINAL 1 67 310280 0E2 SPRING BATTERY 1 67 310290 0E2 SPRING BATTERY 1 74 009022 60C POLYBAG HANDSET 9CMX22CM 1 Page 7 of 7 CTM3440 ...

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