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Sanyo C25EG92F, Service Manual, Page: 6 / 18

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Sanyo C25EG92F Service Manual Download Page 6

IC350

IC352

Q311

Q461

VR461
H-WIDTH

T471
Flyback
Transformer

Q1002

Q722

IC701

Q721

SW222

IC790

AJ1

IC101

VR401
H-CENTRE

A101
TUNER

IC270

IC1001

SW451
V-CENTRE

IC451
V-Output

Q881

Q431

Q432

H-Output

KDY

CPU

IF/CHROMA/VIDEO/DEF.

SW701

SW702

SW703

SW704

-> SERVICE

VR351
+B ADJ.

R232

VR431
V-SIZE

MEMORY

Main switch

T311
Converter
transformer

Q712

Q711

Q172

Q201

Q202

Q437

Q1005

Q351

102

Q856

Q101

R382

D315

VR120

AGC

SW301

K801
SCART Terminal

EC3

FOCUS

SCREEN

F301
Fuse

SW705

SW706

R352

R145

R350

R354

Q312

Q313
Power
switching

Q436

Q713

Q352

Q345

Q371

Q372
Q353

Q1007

Q154

Q153

Q152

Q134

Q781

Q857

Q858

Q131

Q132

T101

L230

Q852

Q851

Q434

Q121

Q133

IC171
Audio
Output

Q708

Q703

Q722

Q1001

Q1003

B1 POWER SUPPLY ADJ.

TU-AGC ADJ.

AFT ADJ.

GREY SCALE ADJ.

FOCUS ADJ.

MAIN BOARD

HIGH VOLTAGE &
H-WIDTH ADJ.

V-CENTRE ADJ.

H-CENTRE ADJ.

V-SIZE ADJ.

-6-

Q601

Q611

Q621

Q640

VR621
G-BIAS

VR601
B-BIAS

VR612
R-DRIVE

VR602
B-DRIVE

VR611
R-BIAS

SERVICE CONTROL ADJUSTMENT

CRT BOARD

Summary of Contents for C25EG92F

Page 1: ...iffer from the design specifications Refer to the specifications for the design specifications PRODUCT CODE 1113 24310 ORIGINAL VERSION Chassis No EC3 A Specifications Power source AC 220 240V 50Hz Television system System B G I L L Colour system PAL SECAM Receiving channel VHF E2 E12 F2 F10 CATV X Y X S1 S41 B Q UHF 21 69 Aerial input impedance 75ohm AV terminal 21 Pin socket CENELEC standard Sou...

Page 2: ...receiver Components indicated by mark in the parts list and the schematic diagram designate components in which safety can be of special significance It is particularly recommended that only parts designated on the parts list in this manual be used for component replacement designated by mark No deviations from resistance wattage or voltage ratings may be made for replacement items designated by m...

Page 3: ...IC280 SECAM Q202 Q131 Q132 Q134 Q152 Q601 Q611 Q621 HV FBT DY C461 VR431 Speaker Control Keys SIF L L VL VH U TU IF 16 12 13 6 5 SCL SDA 3 Volume 4 Colour 5 Brightness 6 Contrast 7 Sharpness 33 10 TV AV 48 42 43 44 14 A Out A In RGB BLK In V In V Out 16 1 6 24 23 22 21 15 13 45 46 28 29 30 31 27 7 5 20 19 18 R G B B G R BLK R Y B Y R Y B Y CVBS 37 43 41 50 11 12 14 16 9 10 16 4 2 V Feedback 2 4 8 ...

Page 4: ...5 The video signal input to pin13 or pin15 is separated to luminance Y signal and chroma signal in IC101 These pins are used in common with H V sync separation input The peaking of Y signal is adjusted by DC voltage of pin14 SHARPNESS control The chroma signal is divided into R Y and B Y chroma signals demodulated in IC101 and output from pin30 R Y and pin31 B Y These chroma signals pass through t...

Page 5: ...control output 6 bit DAC Pin4 Colour control output 6 bit DAC Pin5 Brightness control output 6 bit DAC Pin6 Contrast control output 6 bit DAC Pin7 Sharpness control output 6 bit DAC Pin8 50Hz 60Hz switch Pin9 AV1 AV2 output L AV1 Pin10 TV AV output L AV Pin11 Option switch Pin12 I2C bus SCL Serial clock for memory Pin13 I2C bus SDA Serial date for memory Pin14 Tuning voltage output Pin15 Ident sig...

Page 6: ... 102 Q856 Q101 R382 D315 VR120 AGC SW301 K801 SCART Terminal EC3 FOCUS SCREEN F301 Fuse SW705 SW706 R352 R145 R350 R354 Q312 Q313 Power switching Q436 Q713 Q352 Q345 Q371 Q372 Q353 Q1007 Q154 Q153 Q152 Q134 Q781 Q857 Q858 Q131 Q132 T101 L230 Q852 Q851 Q434 Q121 Q133 IC171 Audio Output Q708 Q703 Q722 Q1001 Q1003 B1 POWER SUPPLY ADJ TU AGC ADJ AFT ADJ GREY SCALE ADJ FOCUS ADJ MAIN BOARD HIGH VOLTAGE...

Page 7: ...ockwise 6 Set screen VR for one colour to be just visible BIAS VR ADJUSTMENT 7 By using VR601 VR611 or VR621 adjust the line until white 8 Set SW220 to NORMAL position DRIVE VR ADJUSTMENT 9 By using VR602 and VR612 adjust white balance HIGH VOLTAGE WIDTH ADJUSTMENT HIGH VOLTAGE ADJUSTMENT 1 Tune the receiver to the PAL circular pattern 2 Set the brightness and contrast controls to maximum 3 Connec...

Page 8: ... probe SW222 IC101 VR401 H CENTRE Q1006 A101 TUNER IC270 SW451 V CENTRE IC451 V Output Q881 IF CHROMA VIDEO DEF SERVICE VR431 V SIZE Q202 IC280 TV AV SW IC1003 Q1005 Q351 102 Q856 Q101 VR120 AGC K801 SCART Terminal R145 Q436 Q1008 Q154 Q153 Q152 Q134 Q781 Q773 Q772 Q771 Q857 Q858 Q131 Q132 T101 L230 Q852 Q851 Q434 Q121 Q133 JR012 Detector adjustment I MAIN BOARD 38 9MHz P DETECTOR ADJUSTMENT II R3...

Page 9: ... the screen 2 Confirm SET number of all items is 0 by pressing the Function button 3 If it is not 0 change to 0 by the Level button Changing the SET number automatically memorised 4 Press the Recall button to return the normal TV mode For more information please refer to special functions on the instruction manual MEMORY IC REPLACEMENT Important Notice PT M AS F P 1 2 3 4 5 6 7 8 9 0 P F TV P P Fu...

Page 10: ...C CORD GBR D4VA 6 645 003 9256 BADGE SANYO 46 2X13 5L45 7 610 210 7302 COIL SPRING D8HA 8 610 255 2423 BUTTON POWER E8GC 9 645 002 0636 ASSY REMOTE CONTROL JXRB 610 247 0154 RC CASE TOP JXRA 610 247 0161 RC CASE BOTTOM JXRA 610 247 0178 RC BATTERY LID JXRA 610 247 0123 DEC RC SHEET JXRA 1 2 6 4 3 8 7 5 1 2 3 4 5 6 7 8 9 0 P F TV P P 9 REF PART No DESCRIPTION No C25EG92F 00 02 ...

Page 11: ...acement 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 No Part No and description...

Page 12: ... 406 007 2106 TR JC546A 406 007 2007 TR JC546B 405 019 1909 TR 2SC536 E NP 405 019 2708 TR 2SC536 F NP 405 019 3804 TR 2SC536 G NP Q708 406 007 1901 TR JC556A 406 007 1802 TR JC556B 405 004 4205 TR 2SA608 E CTV NP 405 004 4809 TR 2SA608 F CTV NP 405 028 7909 TR 2SA608 G CTV NP Q711 405 118 4207 TR PH2369 Q722 406 007 2106 TR JC546A 406 007 2007 TR JC546B 405 019 1909 TR 2SC536 E NP 405 019 2708 TR...

Page 13: ...8007 MT COMPO 0 1U J 50V C211 403 270 3908 MT POLYEST 0 47U K 63V 403 256 0808 MT COMPO 0 47U J 50V C212 403 057 0601 POLYESTER 0 01U K 50V 403 179 3801 POLYESTER 0 01U K 50V C213 403 270 2901 MT POLYEST 0 1U K 63V 403 237 8007 MT COMPO 0 1U J 50V C215 403 270 3908 MT POLYEST 0 47U K 63V 403 256 0808 MT COMPO 0 47U J 50V C216 403 270 2901 MT POLYEST 0 1U K 63V 403 237 8007 MT COMPO 0 1U J 50V C220...

Page 14: ...9 8305 CERAMIC 0 01U Z 50V C732 403 069 8305 CERAMIC 0 01U Z 50V C741 403 270 3403 MT POLYEST 0 22U K 63V 403 237 7901 MT COMPO 0 22U J 50V C742 403 270 2901 MT POLYEST 0 1U K 63V 403 237 8007 MT COMPO 0 1U J 50V C744 403 068 9006 CERAMIC 100P K 50V C746 403 026 0809 CERAMIC 47P J 50V C772 403 018 6208 CERAMIC 220P J 50V C854 403 270 3908 MT POLYEST 0 47U K 63V 403 256 0808 MT COMPO 0 47U J 50V C8...

Page 15: ...401 014 5201 CARBON 15K JA 1 4W R441 401 058 3706 OXIDE MT 1K JA 1W R448 401 065 2808 OXIDE MT 120 JA 2W R451 401 026 8108 CARBON 4 7 JA 1 6W R452 401 026 7002 CARBON 3 9K JA 1 6W R453 401 018 3807 CARBON 3 3K JA 1 4W R454 401 024 9008 CARBON 120 JA 1 6W R455 401 025 7805 CARBON 2 2K JA 1 6W R456 401 020 2003 CARBON 4 7K JA 1 4W R457 401 026 9907 CARBON 4 7K JA 1 6W R458 401 059 2708 OXIDE MT 150 ...

Page 16: ...OWER PULSE T431 610 000 1077 DRIVE TRANS T471 645 003 3094 TRANS FLYBACK COIL L103 645 008 2863 INDUCTOR 4 7U K L135 645 008 2924 INDUCTOR 8 2U K L136 645 003 9782 INDUCTOR 22U K L152 645 008 2894 INDUCTOR 5 6U K L153 645 008 2924 INDUCTOR 8 2U K L201 645 008 2863 INDUCTOR 4 7U K L202 645 008 2863 INDUCTOR 4 7U K L203 645 008 2863 INDUCTOR 4 7U K L230 610 037 4522 S COIL L280 645 001 4727 INDUCTOR...

Page 17: ...UNER U V A701 645 007 1546 UNIT REMOCON RECEIVER 610 224 5806 RC PREAMP 409 1L K801 610 009 8275 SOCKET 21P 610 218 6673 SOCKET 21P 610 225 2361 SOCKET 21P PS301 408 013 3801 TH PTH451C262BF140M270 SW220 610 011 2728 SWITCH LEVER 1P 3T SW301 645 003 6811 SWITCH PUSH POWER 2P 2T SW451 610 011 2728 SWITCH LEVER 1P 3T SW701 610 011 2698 SWITCH PUSH SW702 610 011 2698 SWITCH PUSH SW703 610 011 2698 SW...

Page 18: ... 6602 CARBON 3 3K JA 1 2W R611 401 018 2800 CARBON 330 JA 1 4W R612 401 019 1901 CARBON 3 9K JA 1 4W R613 401 016 3809 CARBON 2 2K JA 1 4W R614 401 065 4604 OXIDE MT 12K JA 2W R615 B 401 009 6602 CARBON 3 3K JA 1 2W R621 401 018 2800 CARBON 330 JA 1 4W R622 401 019 1901 CARBON 3 9K JA 1 4W R623 401 015 2704 CARBON 1 8K JA 1 4W R624 401 065 4604 OXIDE MT 12K JA 2W R625 B 401 009 6602 CARBON 3 3K JA...

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