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SERVICE MANUAL

CTF6870S

68CM CTV

APR03

SERVCTF6870

Summary of Contents for CT-F6870S

Page 1: ...SERVICE MANUAL CTF6870S 68CM CTV APR03 SERVCTF6870 ...

Page 2: ...edure 36 5 Block Diagram 42 6 Schematic Diagram 43 7 PCB Layout 44 8 Exploded View Diagram Temporary Absence This manual is the latest at the time of printing and does not include the modification which may be made after the printing by the constant improvement of product CT F6870S ...

Page 3: ...ce of uninsulated voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to the person The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance CAUTION Use of controls adjustments or procedures...

Page 4: ...onnel 8 Do not subject your television set to impact of any kind Be particularly careful not to damage the picture tube surface 9 Unplug this television set from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning 10 1 Do not place this television set on an unstable cart stand or table The television set may fall causing serious injury to a ...

Page 5: ...pporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electrode and requirements for the grounding electrode 15 2 Note to CATV system installer Only for the television set with CATV reception This reminder is provided to call the CATV system attention to Article 820 40 of the NEC that pr...

Page 6: ... 21 If you are unable to restorenormal operation by following the detailedprocedurein your operating instructions do not attempt any further adjustment Unplug the set and call your dealer or service technician 22 Whenever the television set is damaged or fails or a distinct change in performance indicates a need for service unplug the set and have it checked by a professional service technician 23...

Page 7: ...ODUCT SPECIFICATION MODEL CT F6870S AMBIENT CONDITIONS AMBIENT TEMPERATURE OPERATING 10 C 40 C STORAGE 15 C 45 C HUMIDITY OPERATING 80 STORAGE 90 AIR PRESSURE 86kpa 106kpa PREPARED BY DATE APPROVED BY DATE ...

Page 8: ... SIE SDA 5352 X X 其他 OTHERS M13 4 TV BROADCASTING SYSTEM AND COUNTRY PAL I X X PAL BG PAL DK PAL DK 1 PAL DK BG SECAM BG SECAM L SECAM DK BG PAL N NTSC M X X NTSC3 579 4 43 AV MODE 21 MULTI SYSTEM UK HK GERMAN RUSSIA CHINA USA E EUROPE VIETNAM CANADA DUBAI INDONESIA S AFRICA MALAYSIA MID AMERICA SINGAPORE ISRAEL X X AUSTRALIA NEW ZEALAND TAIWAN MOROCCO PHILIPPINES OTHER 5 RECEIVING CHANNELS CH21 C...

Page 9: ...X 4 433MHz X X 3 579MHz 3 58MHz 8 INTERMEDIATE FREQUENCIES PICTURE 39 5MHz SOUND 6 0MHz X X PICTURE 38 9MHz X X SOUND5 5MHz PICTURE 38 0MHz SOUND 6 5MHz PICTURE 45 75MHz SOUND 4 5MHz OTHER AM SOUND 6 5MHz 9 POWER CONSUMPTION 65W 70W 75W 80W 110W 120W X X 130W 140W 180W 190W OTHER 10 POWER SOURCE AC 120V 60Hz 10 AC 200V 50Hz 10 AC 220V 50Hz 10 AC 220V 50Hz 10 25 X X AC 240V 50Hz 10 AC 110V 240V 50 ...

Page 10: ...NBALANCED F TYPE ANT INPUT FOR NTSC 300 Ω BALANCED TWO TERMINALS ANT INPUT OTHER 13 PRODUCT SAFETY REQUIREMENT BS APPROVAL VDE APPROVAL UL APPROVAL CHINA APPROVAL X X CB APPORVAL X X OTHER SAA EMC 14 PRODUCT EMC EMI REQUIREMENT FTZ APPOVAL FCC APPROVAL X X CHINA APPOVAL OTHER B BASIC FEATURES OF CONTROLLER 1 CHANNEL TUNING METHOD X X VOLTAGE SYNTHESIZER V S ...

Page 11: ... BASS BALANCE CONTROL X X SHARPNESS CONTROL X 4D FAULT SOUND STETTING FIVE BAND EQUALIZER 5 TELETEXT SIMPLE TEXT TOP TABLE OF PAGES FLOF FASTEXT LIST 6 ON SCREEN DISPLAY X X GENERAL FEATURES STEREO DUAL LAN FOUR S EFFECT INDICATOR GERMAN STEREO INDICATOR 注 REMARK OSD GENERAL FEATURES OF CPU VOLUME BRIGHTNESS CONTRAST COLOUR PROGRAM BAND AUTO SEARCH MANUAL TUNE MUTING AV AND SLEEP TIMER 7 SLEEP TIM...

Page 12: ...NDBY INDICATOR X X PROGRAM VOLUME UP DOMN BAND SELECT X X RCA SOCKET SIDE EARPHONE INPUT OTHER AUTO SEARCH AND MANUAL TUNING SELECT D CONSTRUCTION OF REAR PANEL X X 75Ω AERIAL TERMINAL 300Ω AERIAL TERMINAL RCA SOCKET AV INPUT ONLY RCA SOCKET AV IN OUT X X RCA SOCKET A R L IN OUT V IN OUT RCA SOCKET A R L V INPUT X 2 SCART SOCKET X X S VHS INPUT EXT INT SPEAKER SELECT EXT SPEAKERS R L TERMINALS EXT...

Page 13: ... 1VP P 1VP P AUDIO OUTPUT 1kΩ R L 0 5VrmS 0 5VrmS RGB INTPUT 75Ω 0 7VP P AUDIO LINE OUTPUT 1kΩ 1VP P F OTHERS INFORMATION 1 FLYBACK 37 BS2901 58BOX 2 TUNER 07 389VI5 NX4 3 SAW FILTER 45 SAWK33 50K 4 POWER CORD 5 FUSE 6 COLOUR TEMP 7 MAGNETIC FIELD 8 IC EEPROM 13 00M24C 08P 9 IR RECEIVER 11 IRR001 1X0 10 CIRCUIT DIAGRAM 01 29704T MA5 11 MAIN BOARD 40 2916MT MAH ...

Page 14: ...IL CHOKE 600 UH C 1 L414 08 29704T MAN ASS Y MAIN BD 70 271510 00A SERVICE CARD C 1 FOR PRODUCTION USE 08 29704T MAN ASS Y MAIN BD 62 2970TB 0UN TERMINAL BD BRACKET C 1 08 29704T MAN ASS Y MAIN BD 27 ALQ272 J0X CAP M PP 0 0027UF 1 6KV 5 C 1 C413 08 29704T MAN ASS Y MAIN BD 27 ALQ432 J0X CAP M PP 4300 PF 1 6KV 5 C 1 C414 08 29704T MAN ASS Y MAIN BD 27 ALR822 J0X CAP M PP 8200 PF 1 6KV 5 C 1 C415 08...

Page 15: ... 5 C 4 R222 R223 R229 R259 08 29704T MAN ASS Y MAIN BD 18 CB0471 JNX RES C F 470 OHM 1 6W 5 C 4 R125 R252 R931 R932 08 29704T MAN ASS Y MAIN BD 18 CB0473 JNX RES C F 47K OHM 1 6W 5 C 5 R052 R115 R262 R263 R284 08 29704T MAN ASS Y MAIN BD 18 CB0560 JNX RES C F 56 OHM 1 6W 5 C 1 R122 08 29704T MAN ASS Y MAIN BD 18 CB0561 JNX RES C F 560 OHM 1 6W 5 C 1 R228 08 29704T MAN ASS Y MAIN BD 18 CB0750 JNX R...

Page 16: ... 29704T MAN ASS Y MAIN BD 67 H27292 1A0 HEAT SINK REGULATOR DPC A 60 C 1 FOR Q722 08 29704T MAN ASS Y MAIN BD 18 CB0201 JNX RES C F 200 OHM 1 6W 5 C 1 R993 08 29704T MAN ASS Y MAIN BD 18 CD0100 JNX RES C F 10 OHM 1 4W 5 C 1 R064 08 29704T MAN ASS Y MAIN BD 18 CE0470 JNX RES C F 47 OHM 1 2W 5 C 1 R103 08 29704T MAN ASS Y MAIN BD 26 AIM103 KBX CAP CER 0 01 UF 500V 10 B C 1 C401 08 29704T MAN ASS Y M...

Page 17: ... BD 25 BEA102 M1X CAP ELEC 1000 UF 35V 20 C 4 C432 C607 C608 C610 08 29704T MAN ASS Y MAIN BD 41 WJ0065 B00 WIRE BARE JUMPER 6 5MM C 8 J410 J511 J514 J615 J632 J725 J729 R238 08 29704T MAN ASS Y MAIN BD 41 WJ0110 B00 WIRE BARE JUMPER 11MM C 11 J227 J228 J244 J302 J313 J322 J324 J612 J614 J625 08 29704T MAN ASS Y MAIN BD 41 WJ0200 B00 WIRE BARE JUMPER 20MM C 8 J312 J332 J427 J624 J626 J727 J824 J83...

Page 18: ...34 08 29704T MAN ASS Y MAIN BD 18 CB0102 JNX RES C F 1K OHM 1 6W 5 C 24 R062 R067 R071 R091 R124 R220 R269 R271 R301 R304 R451 R911 R912 R921 R922 R936 R938 R939 R945 R946 R947 R948 R966 R968 08 29704T MAN ASS Y MAIN BD 41 WJ0050 B00 WIRE BARE JUMPER 5MM C 1 FOR Q241 B E 08 29704T MAN ASS Y MAIN BD 46 33079W 06X PIN BASE 6 TJC3 6A C 1 P002 FOR W BAL ADJUST 08 29704T MAN ASS Y MAIN BD 46 12866W 02X...

Page 19: ...N ASS Y MAIN BD 45 OSC4M4 3Y0 CRYSTAL 4 43 MHZ C 1 X201 08 29704T MAN ASS Y MAIN BD 45 TRA5M5 0Y0 CER TRAP 5 5 MHZ C 1 Z254 08 29704T MAN ASS Y MAIN BD 45 OSC8M0 0Y0 CRYSTAL 8 0MHZ C 1 X051 08 29704T MAN ASS Y MAIN BD 47 SVI002 XX0 SOCKET S W16 J C 1 P981 08 29704T MAN ASS Y MAIN BD 63 B30100 BT4 S T SCREW B 3 X 10 BT C 2 MTG M BD FBT 08 29704T MAN ASS Y MAIN BD 63 W30100 AB4 S T SCREW W 3 X 10 AB...

Page 20: ...061 J134 J203 J402 J423 J432 J501 J611 J631 J652 J653 J692 J728 08 29704T MAN ASS Y MAIN BD 18 CD0272 JNX RES C F 2 7K OHM 1 4W 5 C 1 J691 08 29704T MAN ASS Y MAIN BD 41 WJ0195 B00 WIRE BARE JUMPER 19 5MM C 4 J323 J355 J641 J731 08 29704T MAN ASS Y MAIN BD 26 ABC104 ZFX CAP CER 0 1 UF 50V 80 20 F C 1 FOR R038 R040 TO R036 GND 08 29704T MAN ASS Y MAIN BD 41 WJ0075 B00 WIRE BARE JUMPER 7 5MM C 35 D0...

Page 21: ... CB H 2 C801 C802 08 02988T PW1 ASS Y POWER PARTS AUST 36 TRF001 XX2 TRANSFORMER CONV KB49C1640 C 1 T802 08 02988T PW1 ASS Y POWER PARTS AUST 13 STRF66 56P IC STR F6656 H 1 IC801 08 02988T PW1 ASS Y POWER PARTS AUST 18 CB0152 JNX RES C F 1 5K OHM 1 6W 5 C 1 R833 08 02988T PW1 ASS Y POWER PARTS AUST 18 CB0223 JNX RES C F 22K OHM 1 6W 5 C 1 R840 08 02988T PW1 ASS Y POWER PARTS AUST 18 CB0332 JNX RES...

Page 22: ...J381 08 02988T PW1 ASS Y POWER PARTS AUST 66 20516X 0B0 FUSE HOLDER C 2 FOR F801 08 02988T PW1 ASS Y POWER PARTS AUST 67 H10918 4M2 HEAT SINK C 2 FOR IC841 IC851 08 02988T PW1 ASS Y POWER PARTS AUST 13 00MC78 09S IC MC7809C LINEAR 9V 1A H 1 IC851 08 02988T PW1 ASS Y POWER PARTS AUST 26 APK471 KBJ CAP CER 470PF 400VAC 10 B H 2 C812 C813 08 02988T PW1 ASS Y POWER PARTS AUST 27 MHM104 K0X CAP METAL P...

Page 23: ...RTS AUST 10 0TEU1Z FBX DIODE EU1Z FAST RECOVERY C 3 D804 D805 D806 08 02988T PW1 ASS Y POWER PARTS AUST 10 0EG01C FBX DIODE EG01C FAST RECTIFIER C 1 D803 08 02988T PW1 ASS Y POWER PARTS AUST 10 1N4004 EBX DIODE IN4004 RECTIFIER C 1 D843 08 02988T PW1 ASS Y POWER PARTS AUST 10 1N4148 ABX DIODE 1N4148 SWITCHING C 1 D842 08 02988T PW1 ASS Y POWER PARTS AUST 10 55C10V DBX DIODE ZENER 10V 1 2W 5 C 1 D8...

Page 24: ...41 WJ0150 B00 WIRE BARE JUMPER 15MM C 1 R812 08 02988T PW1 ASS Y POWER PARTS AUST 41 WJ0125 B00 WIRE BARE JUMPER 12 5MM C 3 J361 J492 R831 08 02988T PW1 ASS Y POWER PARTS AUST 22 PTC140 XX0 PTC 14 OHM C 1 RT801 08 02988T PW1 ASS Y POWER PARTS AUST 36 LIF002 XX0 LINE FILTER 20 MH C 1 T803 08 02988T PW1 ASS Y POWER PARTS AUST 36 LIF005 XX0 LINE FILTER C 1 T801 08 02988T PW1 ASS Y POWER PARTS AUST 65...

Page 25: ...460 0C0 SW POWER TV8 PCB MOUNTING H 1 SW801 08 02970T SW1 ASS Y POWER SW BD AUST 51 JC0243 0CH POWER CORD SAA PLUG W HOUSING H 1 08 02970T SW1 ASS Y POWER SW BD AUST 62 265160 0HA POWER SW ADAPTOR C 1 08 02970T SW1 ASS Y POWER SW BD AUST 63 W30100 AB4 S T SCREW W 3 X 10 AB C 2 MTG PWR SW BD M BD BKT 08 02970T SW1 ASS Y POWER SW BD AUST 46 35049H 02X HS 1617 22 350MM TJC1 2Y 2 C 1 FOR PWR SW BD P80...

Page 26: ... 7K OHM 1 6W 5 C 1 R514 08 02988T CR2 ASS Y CRT BD ORION 18 CB0561 JNX RES C F 560 OHM 1 6W 5 C 3 R501 R505 R510 08 02988T CR2 ASS Y CRT BD ORION 18 CB0681 JNX RES C F 680 OHM 1 6W 5 C 8 R502 R503 R506 R508 R509 R511 R513 R522 08 02988T CR2 ASS Y CRT BD ORION 18 FG0183 JHX RES M O 18K OHM 2W 5 C 3 R516 R517 R518 08 02988T CR2 ASS Y CRT BD ORION 25 BLA100 M1X CAP ELEC 10 UF 250V 20 C 1 C504 08 0298...

Page 27: ...CAP ELEC 22 UF 25V 20 C 1 C553 08 02988T VMY ASS Y VM BD 25 BDB221 M1X CAP ELEC 220 UF 25V 20 C 1 C552 08 02988T VMY ASS Y VM BD 25 BFB470 M1X CAP ELEC 47 UF 50V 20 C 1 C556 08 02988T VMY ASS Y VM BD 40 2980UA VMB P C B VM BD C 1 08 02988T VMY ASS Y VM BD 18 CB0103 JNX RES C F 10K OHM 1 6W 5 C 3 R551 R552 R564 08 02988T VMY ASS Y VM BD 18 CB0122 JNX RES C F 1 2K OHM 1 6W 5 C 3 R582 R585 R590 08 02...

Page 28: ...VMY ASS Y VM BD 11 SK2541 0BX TRANSISTOR 2SK2541 N CHANNEL H 1 Q552 08 02988T VMY ASS Y VM BD 26 EBP680 JZX CAP CER 68 PF 50V 5 SL TUBU H 3 C555 C562 C564 08 02988T VMY ASS Y VM BD 27 AGQ104 J0X CAP M PP 0 1 UF 250V 5 C 1 C570 08 02988T VMY ASS Y VM BD 63 W26080 0B4 S T SCREW W 2 6 X 8 OB C 2 MTG VM BD TO CRT 08 02988T VMY ASS Y VM BD 64 B30080 104 M C SCREW B 3 X 8 C 2 FOR Q561 Q560 08 02988T VMY...

Page 29: ...C 1 J1117 08 29884T CFN ASS Y COMB FILTER BD 18 CB0512 JNX RES C F 5 1K OHM 1 6W 5 C 1 R1113 08 29884T CFN ASS Y COMB FILTER BD 25 BCB470 M1X CAP ELEC 47 UF 16V 20 C 2 C1113 C1115 08 29884T CFN ASS Y COMB FILTER BD 25 BFB479 M1X CAP ELEC 4 7 UF 50V 20 C 1 C1121 08 29884T CFN ASS Y COMB FILTER BD 18 CB0820 JNX RES C F 82 OHM 1 6W 5 C 1 R1116 08 29884T CFN ASS Y COMB FILTER BD 41 WJ0060 B00 WIRE BAR...

Page 30: ... PF 50V 10 B C 2 C1006 C1007 08 02916T NIY ASS Y NICAM BD 67 257870 1T0 BRACKET IF BD C 1 08 02916T NIY ASS Y NICAM BD 67 257870 2T0 BRACKET IF BD C 1 08 02916T NIY ASS Y NICAM BD 25 BCB100 M1X CAP ELEC 10 UF 16V 20 C 5 C1003 C1014 C1015 C1016 C1022 08 02916T NIY ASS Y NICAM BD 25 BCB470 M1X CAP ELEC 47 UF 16V 20 C 2 C1001 C1013 08 02916T NIY ASS Y NICAM BD 25 BFB109 M1X CAP ELEC 1 UF 50V 20 C 1 C...

Page 31: ...P PARTS 41 WJ0100 B00 WIRE BARE JUMPER 10MM C 1 J843 08 03416T W0Y ASS Y WOOFER AMP PARTS 41 WJ0140 B00 WIRE BARE JUMPER 14MM C 1 J841 08 03416T W0Y ASS Y WOOFER AMP PARTS 25 BFB101 M1X CAP ELEC 100 UF 50V 20 C 1 C626 08 03416T W0Y ASS Y WOOFER AMP PARTS 18 CB0122 JNX RES C F 1 2K OHM 1 6W 5 C 1 R620 08 03416T W0Y ASS Y WOOFER AMP PARTS 18 CB0203 JNX RES C F 20K OHM 1 6W 5 C 1 R622 08 03416T W0Y A...

Page 32: ...RE BARE JUMPER 5MM C 1 FOR Q963 B E 08 02970T AVY ASS Y SIDE AV BD 41 WJ0050 B00 WIRE BARE JUMPER 5MM C 3 C951 C954 C955 08 02970T AVY ASS Y SIDE AV BD 46 37031H 06X HS 6P 2468 24 500 TJC3 6Y SCN C 1 P902 P2 P7 FOR M BD P003 08 HS46F0 M13C ASS Y IR HANDSET NI BG SW 67 26968X 0E2 BATT TERMINAL C 1 08 HS46F0 M13C ASS Y IR HANDSET NI BG SW 67 310280 0E2 SPRING BATTERY C 1 08 HS46F0 M13C ASS Y IR HAND...

Page 33: ...01 08 29704T FCN ASS Y FRONT CABINET 46 27580H 02X HS 2P22 600 7 F W TJC3 2Y C 1 P602H FOR M BD P602 08 29704T FCN ASS Y FRONT CABINET 46 35102H 03X HS 3P22 200 5 TJC3 3Y C 1 FOR VM BD P506 08 29704T FCN ASS Y FRONT CABINET 55 2970FC 0AN FRONT CABINET 94V 0 100 C 1 08 29704T FCN ASS Y FRONT CABINET 56 2970FB 0HA PUSH BUTTON C 1 08 29704T FCN ASS Y FRONT CABINET 56 2970LE 0HC LENS SENSOR C 1 08 297...

Page 34: ...RUBBER PAD 25MMX7MM C 4 08 29704T FCN ASS Y FRONT CABINET 59 312160 000 SPONGE CUSHION C 8 FOR SPK TO FRONT CABINET 08 29704T FCN ASS Y FRONT CABINET 62 10654X 00F UNI TIE 2 5MMX95MM C 13 08 29704T FCN ASS Y FRONT CABINET 62 216340 0UA HOLDER POWER CORD C 1 08 29704T FCN ASS Y FRONT CABINET 62 310020 0HN POST CATCHER A C 4 08 29704T FCN ASS Y FRONT CABINET 62 321780 0HG CRT COIL MTG 25 29 C 4 FOR ...

Page 35: ...M BD RCA 6 Y C C 1 08 29704T RCN ASS Y REAR CABINET 58 2970SI 1UI INLAY SIDE AV RCA 3 C 1 08 29704T RCN ASS Y REAR CABINET 54 114000 00X FELT TAPE 150X19MM C 13 FOR SPK TO R CAB 08 29704T RCN ASS Y REAR CABINET 54 205140 000 SPACER CRT MOUNTING T 2MM C 4 FOR HOLDER 08 29704T RCN ASS Y REAR CABINET 54 354210 000 SPONGE C 2 08 29704T RCN ASS Y REAR CABINET 59 130460 00X RUBBER PAD 25MMX7MM C 2 08 29...

Page 36: ... BOX C 1 08 29704T PAN ASS Y PACKING 49 341790 BAT BATTERY AA SIZE C 2 08 29704T PAN ASS Y PACKING 74 022032 6WE POLYBAG 22CMX32CMX0 06MM C 1 FOR OPERATION MANUAL 08 29704T PAN ASS Y PACKING 75 2970LL CC0 POLYFOAM LL C 1 08 29704T PAN ASS Y PACKING 75 2970LR CC0 POLYFOAM LR C 1 08 29704T PAN ASS Y PACKING 75 2970UL CC0 POLYFOAM UL C 1 08 29704T PAN ASS Y PACKING 75 2970UR CC0 POLYFOAM UR C 1 35 ...

Page 37: ...factory remote handset you can find the BUS OFF key It can cut off the I2 C control from the CPU to other IC This is only useful when automatic adjustment of white balance 3 All system data in menu of key 7 must keep unchanged when servicing Otherwise the set may not work properly Setting method No Adjustment Items Data Name default value inside blanket Conditions and input signal Setting method n...

Page 38: ... Receive pattern of cross hatch with black background and then change to white background then compare the vertical and horizontal size between black and white background Adjust VEHT and HEHT until you get the minimum difference of screen size After you adjust VEHT and HEHT you must re adjust vertical and horizontal amplitude 7 Horizontal geometry for NTSC system Key 5 HPOS60 11 HSIZE60 2A PARA60 ...

Page 39: ...y 0 OSD 0A TXCX 30 RGCN 20 TNTX 25 TNTN 32 FMMODE 13 DKFMMD 20 OSD OSD position TXCX OSD intensity when maximum contrast RGCN OSD intensity when minimum contrast TNTX maximum tint level TNTN minimum tint level FMMODE frequency shift for FM mono mode only useful for NICAM model DKFMMD frequency shift for DK NICAM mode 9 Key 8 SCNT 0F CNTX 3F CNTN 00 BRTX 20 BRTN 25 COLX 35 COLN 00 SCNT sub contrast...

Page 40: ...sharpness 13 KEY CALL DBE STR 50 DBE HMC 0D DBE HP 07 DBE LP 00 DBE LIM FO SUB FRE 15 SUB HP 02 VOLMAI 03 Richly Music Signal Effect Strength Harmonic Content High Pass Corner Frequency Low Pass Corner Frequency Amplitude Limit Subwoofer Corner Frequency Subwoofer Complementary High Pass Filter Volume Loudspeaker System data Item Adjust item Default value 12 Key 7 VCDM0 VCDM1 VCDM2 MODE0 MODE1 MOD...

Page 41: ...ng 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 off 1 on brightness off 1 SECAM ADJ 0 SECAM correction off 1 SECAM correction on 2 TB1238N_VMOD 3 PIF VCO ADJ 6 5 4 IF frequency 111 33 9MHz 110 33 95MHz 101 34 47MHz 100 38MHz 011 38 9MHz 010 39 5MHz 001 45 75MHz 000 58 75MHz 7 No use MODE0 BIT Item 0 0...

Page 42: ... off 1 on 5 WOOFER 0 off 1 on 6 DBE 0 off 1 on 7 VM 0 off 1 on OPTION default value 10 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 on 1 picture mute off 3 Audio demodulation gain setting 0 50KHz 1 25KHz 4 When no signal 0 search channel ...

Page 43: ... Tunner TU101 SAW Filter Z101 IF TB1240 IC201 Amplifier IC601 23V 12V Audio Video In Audio Video out 5V 9V CRT board 9V RGB CRT V Drive IC301 Deflection Yoke H Drive T401 Q401 Q402 28V 140V FBT T402 140V HV 28V 9V CPU IC001 5V AV TV Select I2 C EEPROM IC002 KEY IR Sensor 5V 5V TEXT Board Comb Flitter Optional Optional AV1 AV2 Select RGB ...

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