Sanyo DS31520 Service Manual Download

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Schematic
Location

Part No.

Description

Schematic
Location

Part No.

Description

R1026

401 026 9600

CARBON

470 JA 1/6W

R1027

401 162 3708

MT-GLAZE

4.7K JA 1/10W

R1031

401 256 2709

MT-GLAZE

75 JA 1/10W

R1032

401 256 6004

MT-GLAZE

27K JA 1/10W

R1033

401 256 0408

MT-GLAZE

12K JA 1/10W

R1046

401 150 5905

MT-GLAZE

10K JA 1/10W

R1047

401 256 6004

MT-GLAZE

27K JA 1/10W

R1901

401 150 5905

MT-GLAZE

10K JA 1/10W

R1902

401 150 6209

MT-GLAZE

1K JA 1/10W

R1903

401 162 2800

MT-GLAZE

1.8K JA 1/10W

R1904

401 150 6100

MT-GLAZE

2.2K JA 1/10W

R1905

401 256 7605

MT-GLAZE

3.9K JA 1/10W

R1906

401 162 4101

MT-GLAZE

5.6K JA 1/10W

R1907

401 256 0408

MT-GLAZE

12K JA 1/10W

R1909

401 024 7004

CARBON

1K JA 1/6W

R1910

401 024 7004

CARBON

1K JA 1/6W

R3401

401 025 7409

CARBON

220 JA 1/6W

R3402

401 025 7409

CARBON

220 JA 1/6W

R3406

401 150 5806

MT-GLAZE

100K JA 1/10W

R3407

401 255 6005

MT-GLAZE

1M JA 1/10W

R3411

401 265 4008

MT-GLAZE

62K JA 1/10W

R3421

401 162 3104

MT-GLAZE

3.3K JA 1/10W

R3422

401 255 6401

MT-GLAZE

3K JA 1/10W

R3426

401 256 7605

MT-GLAZE

3.9K JA 1/10W

R3432

401 150 5905

MT-GLAZE

10K JA 1/10W

R3433

401 150 5905

MT-GLAZE

10K JA 1/10W

R3434

401 162 4002

MT-GLAZE

560 JA 1/10W

R3435

401 150 5806

MT-GLAZE

100K JA 1/10W

R3436

401 162 4002

MT-GLAZE

560 JA 1/10W

R3437

401 150 5806

MT-GLAZE

100K JA 1/10W

R3441

401 256 1405

MT-GLAZE

330K JA 1/10W

R3442

401 255 6500

MT-GLAZE

100 JA 1/10W

R3443

401 256 1405

MT-GLAZE

330K JA 1/10W

R3444

401 255 6500

MT-GLAZE

100 JA 1/10W

TRANSFORMERS

T151

645 049 3775

TRANS, OSC 45.75MHZ

T401

610 000 1138

DRIVE TRANS

610 223 1663

DRIVE TRANS

★

T402

645 032 8978

TRANS, FLYBACK

645 018 9579

TRANS, FLYBACK

★

T601

645 035 9910

TRANS, POWER, PULSE

645 045 6169

TRANS, POWER, PULSE

645 041 5944

TRANS, POWER, PULSE

X141

421 008 9008

SAW F TSF5235P

X161

610 015 3059

TRAP, CERAMIC 4.5MHZ

645 041 1618

TRAP CERAMIC 4.5MHZ

X251

610 204 4195

CRYSTAL OSCILLATOR

610 245 9746

CRYSTAL OSCILLATOR

610 012 0655

CRYSTAL OSCILLATOR

X801

645 000 6692

OSC, CERAMIC 8.00MHZ

645 021 5483

OSC, CERAMIC 8.00MHZ

MISCELLANEOUS

A001

610 295 6849

ASSY, PWB,MAIN

★

A101

645 052 6084

TUNER, U/V

A701

610 289 6183

ASSY, PWB, SOCKET

A1901

645 047 6228

UNIT, REMOCON RECEIVER

★

F601

423 029 8008

FUSE 125V 4A

423 018 8101

FUSE 125V 4A

423 007 1601

FUSE 125V 4A

423 007 1809

FUSE 125V 4A

F601A

645 000 5077

HOLDER, FUSE

645 016 0479

HOLDER, FUSE

F601B

645 000 5077

HOLDER, FUSE

645 016 0479

HOLDER, FUSE

★

K701

645 025 6103

SOCKET, CRT 8P

645 028 0306

SOCKET, CRT 8P

K1002

645 038 1898

JACK, RCA-5

★

PS601

408 046 5209

TH PTDAA1BF3R0Q100

★

Q900

414 010 6905 CRT M78JUA361X72

★

RL601

645 000 4155

RELAY

645 011 2713

RELAY

645 024 7828

RELAY

645 015 8629

RELAY

645 024 7767

RELAY

645 052 5933

RELAY

SP901

645 013 6306

SPEAKER,8

SP902

645 013 6306

SPEAKER,8

★

W601

645 030 5306

CORD, POWER-2.0MK

★

W901

610 264 8362

ASSY, WIRE GND CONNECTOR

610 267 0325

(MEX) GND CONNECTOR

Summary of Contents for DS31520

Page 1: ...mponent and Test Point Locations 21 23 Schematic Insert 25 32 Schematic Notes 25 Pin Layouts 25 Capacitor and Resistor Codes 25 Block Diagram 26 28 Voltage Charts 26 27 Waveforms 28 Schematic Diagrams 29 32 Specifications Power Rating 120V 60Hz 89W Avg 2 5A Max Antenna Input Impedance 75Ω UHF VHF CATV Receiving Channel 2 13 VHF 14 69 UHF 01 14 94 95 125 CATV Remote Ready 37 Key Remote Control Soun...

Page 2: ...inet screw heads metal overlays control shafts etc Measure the AC voltage across the 1500 ohm resistor The AC voltage should not exceed 750 mV A reading exceeding 750 mV indicates that a dangerous potential exists The fault must be located and corrected Repeat the above test with the receiver power plug reversed NEVER RETURN A RECEIVER TO THE CUSTOMER WITHOUT TAKING THE NECESSARY CORRECTIVE ACTION...

Page 3: ... cord AC 120V line 2 While pressing the MENU key reconnect the AC power cord The Service Menu display will now appear 3 Select NO 03 HP H Phase with or key Adjust the data with or key for 13 4 Select NO 05 VPO V Position with or key Adjust the data with or key for 20 5 Select NO 07 VLN V Lin with or key Adjust the data with or key for 20 6 Select NO 23 POS Pre Over Switch with or key Adjust the da...

Page 4: ...tion 11 HBR 3 3 0 7 H BLK R 12 HBL 4 4 0 7 H BLK L 13 CDM 0 0 0 1 C D Mode 14 VC 5 5 0 7 Vertical Compression 15 RB 0 0 0 255 Red Bias 16 GB 0 0 0 255 Green Bias 17 BB 0 0 0 255 Blue Bias 18 RD 64 64 0 127 Red Drive 19 GD 8 8 0 15 Green Drive 20 BD 64 64 0 127 Blue Drive 21 SBI 64 64 0 127 Sub Bias 22 OSD 2 2 0 3 OSD Contrast 23 POS 0 1 0 1 Pre Over SW 24 FLS 2 2 0 7 Filter System 25 CKO 3 3 0 7 C...

Page 5: ...54 SCO 7 7 0 31 Sub Color 55 STI 20 14 0 31 Sub Tint 56 SSH 12 12 0 31 Sub Sharpness 57 OPT 0 16 0 255 Option See Note 1 page 6 58 OP2 0 66 0 255 Option 2 See Note 2 page 6 59 HR 24 24 0 63 OSD Horizontal Position 60 ATT 10 10 0 63 Input Level 61 WDB 32 32 0 63 Wideband 62 SPC 32 32 0 63 Spectral 63 SBO 5 5 0 255 Sub Bright Offset 64 PCO 40 40 0 63 PIP Color 65 PTI 40 40 0 63 PIP Tint 66 PUV 24 24...

Page 6: ... 3 7 and 9 keys on the remote control See Figure 2 The Drive Level adjustment data will be written in the Service Menu No 18 and 20 automatically 1 2 3 4 5 6 7 9 8 RB RB BB BB N A GB N A GB N A FOR RED BIAS ADJUSTMENT FOR BLUE BIAS ADJUSTMENT FOR GREEN BIAS ADJUSTMENT Figure 2 Figure 3 1 2 3 4 5 6 7 9 8 RD RD BD BD N A N A N A N A N A FOR RED DRIVE ADJUSTMENT FOR BLUE DRIVE ADJUSTMENT BIT FUNCTION...

Page 7: ...eiver and disconnect the AC power cord 4 While pressing the MENU key reconnect the AC power cord The Service Menu display will now appear 5 Select NO 04 VS Vertical Size with or key 6 Adjust the data with or key for full scan To turn off the Service Menu display press the MENU key VERTICAL CENTERING ADJUSTMENT 1 Tune receiver to an active channel 2 Check that picture is in the center of TV screen ...

Page 8: ...ower cord 6 While pressing the MENU key reconnect the AC power cord The Service Menu display will now appear 7 Select NO 53 SB Sub Brightness with or key 8 Adjust the data with or key for 820mVDC 9 Press the MENU key to turn off the Service Menu display 10 Check brightness level on every active channel readjust repeat steps 5 9 if necessary Note Do not set to excessive brightness level otherwise t...

Page 9: ...nu key reconnect the AC power cord The Service Menu will now appear 5 Select NO 60 ATT Attenuation with the or key 6 Adjust the or key for a voltmeter reading of 400 20 mVrms at TP317 SEPARATION ADJUSTMENT 7 Turn off the receiver and disconnect the AC power cord AC 120V line 8 Connect oscilloscope CH1 to TP317 and CH2 to TP318 and ground 9 Connect an MTS TV Stereo generator to antenna terminal 10 ...

Page 10: ...n and any of these failures remains uncorrected the CPU will shut off the power within 3 seconds Check the following if the unit is turned off by the power failure detector 1 Disconnect the AC power cord 120V AC line for at least 10 seconds 2 Connect a DC Voltmeter to the following TEST POINTS 3 Press the Power key and check for the proper voltage supplies 4 If any of these voltages is low the pow...

Page 11: ... to keep these assemblies intact unless picture tube is being replaced Discharge the picture tube to the coating before handling the tube 1 Remove chassis referring to Chassis Removal instructions 2 Place cabinet s front face down on a soft surface 3 Remove the screw on each corner of the picture tube and GENTLY lift the picture tube out of the cabinet 4 Install a replacement picture tube in rever...

Page 12: ... K 50V C146 403 224 6108 CERAMIC 0 01U K 50V C147 403 038 1603 ELECT 100U M 6 3V C151 403 048 6308 ELECT 0 47U M 50V C153 403 048 6308 ELECT 0 47U M 50V C161 403 357 9601 CERAMIC 0 1U Z 50V C211 403 086 2607 NP ELECT 1U M 50V C212 403 049 9803 ELECT 2 2U M 50V C221 403 086 2607 NP ELECT 1U M 50V C251 401 150 6001 MT GLAZE 0 000 ZA 1 10W C252 403 062 0504 POLYESTER 0 047U K 50V 403 312 2203 POLYEST...

Page 13: ... 3U K 50V C504 403 045 9807 ELECT 2200U M 25V C505 403 166 7706 MT POLYEST 0 47U J 63V 403 067 7805 MT COMPO 0 47U J 50V C506 403 059 0104 POLYESTER 0 018U K 50V 403 312 0100 POLYESTER 0 018U K 50V C508 403 235 0300 CERAMIC 56P J 50V C509 403 166 7706 MT POLYEST 0 47U J 63V C509 403 067 7805 MT COMPO 0 47U J 50V C511 403 141 5802 POLYESTER 0 15U J 50V 403 058 5407 POLYESTER 0 15U K 50V C516 403 05...

Page 14: ...007 6606 DIODE ES1 407 124 5506 DIODE RMPG06G D482 407 011 4407 DIODE TVR1G D483 407 124 6404 DIODE ERA18 04 407 007 6606 DIODE ES1 407 124 5506 DIODE RMPG06G D486 407 099 6102 ZENER DIODE MTZJ10B 10V 407 054 0008 ZENER DIODE RD10EB2 10V D487 407 005 8602 DIODE ERA15 02 407 088 6502 DIODE MPG06D 407 011 3004 DIODE S5277B 408 009 9404 DIODE 1N4002ID D490 407 063 8903 ZENER DIODE MTZJ5 6C 5 6V 407 0...

Page 15: ...2B6 409 497 0706 IC S524C20D21 DCB0 409 333 3700 IC 24LC02B P IC1001 409 051 3006 IC TC4053BP IC3401 409 467 1108 IC CXA2134Q T6 COILS LF601 645 042 7510 LINE FILTER L164 645 003 9713 INDUCTOR 15U K 645 016 2657 INDUCTOR 15U K L301 645 008 2894 INDUCTOR 5 6U K 645 016 3104 INDUCTOR 5 6U K L302 645 008 2894 INDUCTOR 5 6U K 645 016 3104 INDUCTOR 5 6U K L303 645 008 2894 INDUCTOR 5 6U K 645 016 3104 ...

Page 16: ...07 TR 2SB985 S 405 009 7003 TR 2SB985 T Q635 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 2101 TR 2SC1815 O 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 405 020 7907 TR 2SC945A RA Q681 405 011 8401 TR 2SC1740S Q 405 011 8500 TR 2SC1740S...

Page 17: ...R287 401 255 6500 MT GLAZE 100 JA 1 10W R288 401 255 6500 MT GLAZE 100 JA 1 10W R289 401 255 6500 MT GLAZE 100 JA 1 10W R301 401 150 6001 MT GLAZE 0 000 ZA 1 10W R311 401 024 6700 CARBON 100 JA 1 6W R312 401 162 4101 MT GLAZE 5 6K JA 1 10W R321 401 150 5905 MT GLAZE 10K JA 1 10W R323 401 256 4109 MT GLAZE 56 JA 1 10W R324 401 162 4101 MT GLAZE 5 6K JA 1 10W R326 401 256 4109 MT GLAZE 56 JA 1 10W R...

Page 18: ...0K JA 1 6W R694 401 024 7400 CARBON 10K JA 1 6W R695 401 025 8208 CARBON 22K JA 1 6W R701 401 025 3807 CARBON 180 JA 1 6W R703 401 256 0309 MT GLAZE 820 JA 1 10W R704 401 027 8107 CARBON 82 JA 1 6W R706 401 009 1508 CARBON 2 7K JA 1 2W R707 401 065 4604 OXIDE MT 12K JA 2W R711 401 025 3807 CARBON 180 JA 1 6W R713 401 256 0309 MT GLAZE 820 JA 1 10W R714 401 255 9006 MT GLAZE 82 JA 1 10W R716 401 00...

Page 19: ... 256 1405 MT GLAZE 330K JA 1 10W R3442 401 255 6500 MT GLAZE 100 JA 1 10W R3443 401 256 1405 MT GLAZE 330K JA 1 10W R3444 401 255 6500 MT GLAZE 100 JA 1 10W TRANSFORMERS T151 645 049 3775 TRANS OSC 45 75MHZ T401 610 000 1138 DRIVE TRANS 610 223 1663 DRIVE TRANS T402 645 032 8978 TRANS FLYBACK 645 018 9579 TRANS FLYBACK T601 645 035 9910 TRANS POWER PULSE 645 045 6169 TRANS POWER PULSE 645 041 5944...

Page 20: ...INET BACK OR 610 296 6794 CABINET BACK 6 412 036 1805 SCREW 4X14 8 USED OR 411 078 1101 SCREW 4X14 8 USED 7 411 O26 2303 SCREW 3X10 2 USED 8 610 297 6113 DEC AV SHEET 9 610 295 7860 BUTTON UNIT 10 610 267 0851 CAP RC 11 610 296 4318 DEC SHEET 12 610 293 2560 SANYO BADGE LARGE SILVER 610 297 8940 OWNER S MANUAL 645 052 5025 RC TRANSMITTER 610 298 2398 RC BATTERY COVER CABINET PARTS LIST KEY NO PART...

Page 21: ... 21 COMPONENT ANDTESTPOINT LOCATIONS MAIN BOARD FOIL SIDE ...

Page 22: ... 22 COMPONENT ANDTESTPOINT LOCATIONS Cont IC1201 IC1201 IC3401 IC301 IC101 B E C IC801 MAIN BOARD PARTS SIDE ...

Page 23: ...B3 Q695 B3 Q831 A4 Part Loc R513 E3 TE7 H3 TP7 H3 TJ1 B3 TJ4 F3 TJ5 B4 TP16 E6 TP21 F6 TP50 H3 TP51 H3 TP317 B6 TP318 B6 T151 E6 MAIN BOARD COMPONENTS AND TEST POINTS GRID LOCATIONS PIC TUBE SOCKET BOARD COMPONENTS FOR CONTINUED PROTECTION AGAINST A RISK OF FIRE REPLACE ONLY WITH THE SAME TYPE 4A 125V FUSE ATTENTION POUR MAINTENIR LA PROTECTION CONTRE LES RISQUES D INCENDIE UTILISER UN FUSIBLE DE ...

Page 24: ...24 April 2002 2000 SMC Printed in U S A For parts or service contact SANYO Fisher Service Corporation 21605 Plummer Street Chatsworth CA 91311 U S A 300 Applewood Crescent Concord Ontario L4K 5C7 CANADA ...

Page 25: ... signal and the controls adjusted for normal picture IC101 17 R Output 2 0V HORIZ IC101 18 G Output 2 0V HORIZ IC101 19 B Output 2 0V HORIZ IC101 52 Selected Video 1 0V HORIZ IC501 2 Vertical Output 58 VERT IC501 5 Inverting Input 0 6V VERT Q202 E TP16 Internal Video 1 0V HORIZ Q401 B Horizontal Drive 0 7V HORZ Q402 B Horizontal Output 13V HORZ T402 9 Heater 28V HORIZ Q601 B Power Switching 6 0V 5...

Page 26: ...1 LZF 1 10GZ0C 1 10GJ1KC 1 10 GZ0C X X 1 10GJ10KC PM0 47D AC EM0 47 KK0 01 LZB 6 3EM 100 1 10GJ 33KC 1 10GJ 1KC 2SJ22 1 10GJ 15KC 2SD400 E MP F MP 390 1SJ15 HJ0 47 63GJ0 47V 16EM470 KK 0 01 LZB 1 10GZ0C FK0 047 BF D J 1 10GJ 120C 470 1 10 GZ0C J 12K 6 8K J J SF 5235P KK0 01 LZB 1 10GJ 1KC 1 10GJ 33KC J KK0 01 LZB KK 0 022 LZB KK1000 LZB KK0 01 LZB 1 10GJ 3KC CJ10CL 1 10GJ 330C EM 0 47 KK0 01 LZB 1...

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