Sansei TS4120 Service Manual Download | Manualshive

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Chassis Block Diagrams

-4-

SYSTEM CONTROL

QXXAVC479P

15

C-CAPTION IN

IC001

*Stereo Model

only

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Summary of Contents for TS4120

Page 1: ...r to the specifi cation table Specifications Power Source AC220V 50Hz 60Hz Receiving System PAL M M N N NTSC M M Channel Coverage Antenna mode VHF CH02 CH13 UHF CH14 CH69 CATV mode VHF band CH01 CH13 Mid band CH14 CH22 Super band CH23 CH36 Hyper band CH37 CH64 Ultra band CH65 CH94 and CH100 CH125 Low mid band CH95 CH99 Video IF 45 75MHz Aerial Input Impedance 75Ω Ext Terminals Video inputs Phono j...

Page 2: ...ceiver is the picture tube The picture tube is specially con structed to limit X RADIATION emissions For continued X RADIATION protection the replacement tube must be the same type as the original including suffix letter Excessive high voltage may produce potentially hazardous X RADIATION To avoid such hazards the high voltage must be maintained within specified limit Refer to this ser vice manual...

Page 3: ...12 11 14 15 16 17 42 EXT VIDEO IN K1001 K1002 REAR AVIN FRONT AVIN VIDEO VIDEO A L A L 19 20 21 R G B 7 AC POWER CIRCUIT CONVERTER TRANS 130V MAIN HIGH 20V AUDIO 12V MAIN LOW 24V VERT 9V IC202 REG IC 5V 2 REG IC IC681 5VRC 27 23 HORIZ OUT FBT VERT OUT HORIZ OUT EXT AUDIO IN AMP LA4266_2W 1 AUDIO OUTPUT 51 5 Q900 CRT IF VIDEO CHROMA DEFLECTION WITH PLL FILTER MEMORY IIC BUS CONTROL 15 C CAPTION IN ...

Page 4: ...Chassis Block Diagrams 4 SYSTEM CONTROL QXXAVC479P 15 C CAPTION IN IC001 Stereo Model only ...

Page 5: ...LMP V C VCC 5V 46 47 48 49 50 A2C PLL 51 52 53 54 Audio Output FM Output Selected Audio Output PIF AGC RF AGC Output PIF Input1 PIF Input 2 IF Ground IF Vcc FM Filter AFT Output Bus Data Bus Clock ABL Red Input Green Input Blue Input Fast Blanking Input RGB Vcc Red Output Green Output Blue Output fsc output or C Sync output Vertical Output Ramp ALC Filter Horizontal BUS Vcc Horizontal Output Horiz...

Page 6: ... 3bit Amp 54 10p SIF In Sound BPF VCO Coil VCO COIL1 VCO COIL2 48 49 VIF VCO Chroma Counter B N INV IF Ident OSC C D Amp SIF Sys 2bit pre scaller SIF VCO 500K BPF SIF APC Filter 1K 0 01u 1000p 53 LIM AMP FM Det FM Level 5bit Chroma C D APC Det 500K Det To BUS Chroma VCO VIF Counter Reset Pulse VCO Ident VIF Sys 2bit Phase Detector A MUTE 1bit VOLUME D A VOLUME Filter A SW 1bit Input Select VOLUME ...

Page 7: ... 3 PRE GND 4 6 7 8 9 NC 10 AMP 5 POWER GND NC FILTER NC VCC INPUT OUT PUT NFL 30KΩ 300Ω Thermal Protection AMP Pump Up 1 INVERTING INPUT 2 Vcc 3 PUMP UP OUT 4 GND 5 Ver OUTPUT 6 OUTPUT STAGE Vcc 7 NON INV INPUT IC501 Vertical Output LA78040N TDA9302H ...

Page 8: ...e Service Menu now appear 2 Service Adjustments Press the CHANNEL UP or CHANNEL DOWN button on the remote control handset to select the desired service menu item you want to adjust Use the VOLUME or to adjust the data The or button will increase or decrease the data sequentially 3 Exit from the Service Menu Press the MENU button to turn off the Service Menu display The data which is set in the ser...

Page 9: ...lateral line 23 DRV Brightness and dark of White balance adjustment 24 B YD 10 00 15 B Y DC Level 25 R YD 10 00 15 R Y DC Level 26 B YND 0 16 15 Difference value of NTSC B Y DC Level 27 R YND 0 16 15 Difference value of NTSC R Y DC Level 28 G YA 00 00 01 G Y Angle 29 RBGB 08 00 15 R Y B Y Gain Balance 30 RBAG 08 00 15 R Y B Y Angle 31 G YAN 00 00 01 Difference value of NTSC G Y Angle 32 RBGBN 0 8 ...

Page 10: ... 00 00 01 Adjustment of AFC Gain Gate RF 66 VSURF 00 00 01 Adjustment of Vertical Sync Separation Sensitivity RF 67 CDMRF 00 00 07 Vertical Count Down Loop Adjustment RF 68 AFCAV 00 00 01 Adjustment of AFC Gain Gate AV 69 VSUAV 00 00 01 Adjustment of Vertical Sync Separation Sensitivity AV 70 CDMAV 00 00 07 Vertical Count Down Loop Adjustment AV 71 HLK T 00 00 01 H lock V Det RF 72 HLK V 00 00 01 ...

Page 11: ...and contrast to maximum 3 Select Item No 04 V SIZ in the service mode 4 Change value to be optimum vertical size 5 Exit from the service mode 1 Receive a monochrome circular pattern 2 Set the brightness and contrast to normal 3 Select Item No 12 OSDHP in the service mode 4 Change value to be proper OSD position 5 Exit from the service mode 1 Switch on the TV 2 Select Item No 65 AFCRF in service mo...

Page 12: ...r grey scale tracking at all brightness levels NOTE If the grey scale adjustment is made after picture tube replacement check the high voltage Items 16 23 GREY SCALE Service Adjustments JXMRR Red Bias Red Bias Green Bias Blue Bias Red Drive Blue Drive Blue Drive Green Bias Blue Bias Press the MENU button to exit from service mode Red Drive E E B 3 3 T471 H1 T471 H2 T471 H4 T471 H5 T471 H6 T471 H7 ...

Page 13: ...s function is available for one channel only and the fine tuned channel is memorized into IC802 EEPROM FINE TUNING 1 Enter the Service Menu While pressing the MENU button on the television press the 4 or MENU button on the remote control unit The Service Menu now appear 2 Service Adjustments Press and hold the VOLUME or VOLUME button on the remote control handset or TV set to make fine tuning adju...

Page 14: ...negative lead to ground and connect lead to anode of picture tube 2 Tune receiver to an active channel and confirm TV is operating properly 3 The high voltage must be 14 21KV 1KV 20 21 25KV 1KV 29 26 5KV 1KV and less than 14 25KV 20 21 27 5KV 29 29 5KV at 0 beam current Brightness and contrast minimum setting Note If the picture tube is replaced check the high voltage The horiz width adjustment af...

Page 15: ...olours to check this use bias controls Readjust the yoke position if necessary until all screens are pure 7 Adjust each Bias control and screen control to obtain white raster Refer to Gray Scale Adjustment If part of the picture screen is coloured adjust the Deflection Yoke position forward or backward slightly 8 Tighten the mounting screw of the Deflection Yoke Adjust Convergence next CENTRE CONV...

Page 16: ...269 8930 BUTTON UNITED F5TB 4 610 269 6578 CABINET FRONT F5TB 5 610 269 6585 CABINET BACK F5TB 6 610 318 1424 LABEL RATING F5TW 7 645 069 4608 ASSY REMOCON JXMRR 8 610 297 3723 RC BATTERY LID JXMRA 9 645 004 3925 ANT MATCHING BOX or 645 005 0251 ANT MATCHING BOX 610 317 9414 INSTRUCTION MANUAL F5SW Key No Part No Description Key No Part No Description VIDEO AUDIO MENU CH VOL AUDIO IN ANT 75Ω R L V...

Page 17: ...dered when a component replacement is made in any area of a receiver Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark Note Parts order must contain Service Ref...

Page 18: ...5 TR 2SC536NF NPA 405 151 8705 TR 2SC536NG NPA 405 020 7501 TR 2SC945A PA 405 020 7709 TR 2SC945A QA 405 020 7907 TR 2SC945A RA Q693 405 011 8401 TR 2SC1740S Q 405 011 8500 TR 2SC1740S R 405 011 8609 TR 2SC1740S S 405 012 2002 TR 2SC1815 GR 405 012 2309 TR 2SC1815 Y 405 157 0505 TR 2SC536NF NPA 405 151 8705 TR 2SC536NG NPA 405 020 7501 TR 2SC945A PA 405 020 7709 TR 2SC945A QA Q818 405 014 4509 TR ...

Page 19: ...76 3102 CERAMIC 3900P K 500V C434 403 051 3103 ELECT 47U M 50V C441 403 346 6901 MT POLYPRO 0 22U J 250V C442 403 346 6901 MT POLYPRO 0 22U J 250V C469 403 049 4204 ELECT 10U M 50V C471 404 056 5208 NP ELECT 2 2U M 100V 404 056 5307 NP ELECT 2 2U M 100V 404 045 6605 NP ELECT 2 2U M 50V C486 403 055 8401 ELECT 22U M 250V C487 403 076 5304 CERAMIC 680P K 500V C510 404 084 4204 ELECT 4 7U M 50V 403 0...

Page 20: ... JA 1 16W R223 401 105 0504 MT GLAZE 1K JA 1 16W R224 401 105 5301 MT GLAZE 4 7K JA 1 16W R225 401 105 5301 MT GLAZE 4 7K JA 1 16W R226 401 105 3406 MT GLAZE 27K JA 1 16W R227 401 105 4205 MT GLAZE 33K JA 1 16W R228 401 024 7707 CARBON 100K JA 1 6W R229 401 105 6704 MT GLAZE 680K JA 1 16W R230 401 026 9303 CARBON 47 JA 1 6W R234 401 105 0900 MT GLAZE 120 JA 1 16W R235 401 105 0900 MT GLAZE 120 JA ...

Page 21: ...6W R836 401 105 0603 MT GLAZE 10K JA 1 16W R837 401 105 5301 MT GLAZE 4 7K JA 1 16W R838 401 105 5301 MT GLAZE 4 7K JA 1 16W R839 401 105 4007 MT GLAZE 330 JA 1 16W R840 401 105 4007 MT GLAZE 330 JA 1 16W R841 401 105 5301 MT GLAZE 4 7K JA 1 16W R842 401 105 5301 MT GLAZE 4 7K JA 1 16W R851 401 025 1605 CARBON 1 5K JA 1 6W R853 401 027 8602 CARBON 8 2K JA 1 6W R855 401 027 8602 CARBON 8 2K JA 1 6W...

Page 22: ...J6 2C 407 057 2801 ZENER DIODE RD6 2EB3 D662 407 099 5600 ZENER DIODE MTZJ6 8A 408 047 8605 ZENER DIODE MTZJ6 8A D664 407 099 6102 ZENER DIODE MTZJ10B 407 054 0008 ZENER DIODE RD10EB2 408 047 2306 ZENER DIODE MTZJ10B D671 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D692 407 149 0807 DIODE 1SS355 TE 17 D693 408 008 2406 DIODE 1N4148 407 0...

Page 23: ...0V C721 403 157 6602 CERAMIC 470P K 50V C731 403 077 2807 CERAMIC 1000P Z 2K C741 403 049 0008 ELECT 1U M 50V C751 403 044 1703 ELECT 470U M 16V RESISTOR R701 401 105 2706 MT GLAZE 220 JA 1 16W R703 401 105 5202 MT GLAZE 470 JA 1 16W R704 401 065 4604 OXIDE MT 12K JA 2W R705 401 009 1508 CARBON 2 7K JA 1 2W R711 401 105 2706 MT GLAZE 220 JA 1 16W R713 401 105 5202 MT GLAZE 470 JA 1 16W R714 401 06...

Page 24: ...July 04 ...

Page 25: ...2 1 16GJ 100AZ 25KK 0 033GQ CJ27CGQZ CJ15CGQZ V10B0 560N 570N AJ 1 5K 1 16GJ 1 5KAZ EM1 RD3 6EL DZXLBB017 1 16GJ 4 7KAZ 1 16GJ 8 2KAZ H OUT PM1 X 1K 1 16GJ33AZ 1 16GJ0AZ X 2SJ4 7 25KK 0 1GQ 25KK 0 1GQ 25KK 0 1GQ X X EM1 X 1 16GJ 33KAZ 470 X X 25KK 0 1GQ 25KK 0 1GQ X J30B0250N J30B1380N 2SC2814 F4P EM1 KK1000 GQBZ 1 16GJ 820AZ 1 16GJ 470AZ X X X X EM1LBWA J 1 16GJ6 8KAZ 1 16GJ5 6KAZ KK3300GQBZ AH 1...

Page 26: ...R029 J127 J128 J129 J130 R019 J028 JP652 J139 J143 J141 T471 H8 R662 L601 H2 L601 H1 L601 H4 L601 H3 C609 H1 C521 J142 J009 R036 D1001 J144 Q432 H3 Q432 H1 JP029 J145 J132 C487 R435H2 R435H1 T431A R528 C618 D653 R1907 J075 JW1 JW3 JW4 D1901 R423 C652 J051 D512 R831 J090 D861 D646 R830 VR462 J140 R602A C033 JP030 JP441 JP3402 L441A C465A PS601 R602 H3 IC002 IC001 J013 C355 J152 JP003 J008 J155 J151...

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