Sanyo DS31590 Service Manual Download

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Schematic
Location

Part No.

Description

Schematic
Location

Part No.

Description

TRANSFORMERS

T131

645 027 6095

TRANS, IF 4.5MHZ

T151

645 027 6088

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

645 032 5175

TRANS, POWER, PULSE

FILTERS/CRYSTALS

X141

421 006 3206

SAW F TSF5221P

X153

610 015 2946

CERAMIC FILTER 4.5MHZ

X153

645 030 1049

CERAMIC FILTER 4.5MHZ

X161

610 015 3059

TRAP, CERAMIC 4.5MHZ

X251

610 204 4195

CRYSTAL OSCILLATOR

610 245 9746

CRYSTAL OSCILLATOR

610 012 0655

CRYSTAL OSCILLATOR

X401

645 020 9147

OSC, CERAMIC 507.5KHZ

X801

645 000 6692

OSC, CERAMIC 8.00MHZ

645 021 5483

OSC, CERAMIC 8.00MHZ

MISCELLANEOUS

A100

610 278 0888

ASSY, PWB, MAIN

★

A101

645 032 5632

TUNER, U/V

A102

610 246 9660

HOLDER ANT A-VC

A102B

610 278 8815

ANT CABLE

A700

610 275 9822

ASSY, PWB, SOCKET

A1000

610 276 0101

ASSY, PWB, AV

A1901

645 027 4213

UNIT, REMOCON RECEIVER

★

F601

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

★

K701A

645 025 6103

SOCKET, CRT 8P

K1001

645 032 1979

JACK, RCA-3

K1003

645 032 2006

JACK, RCA-2

K1051

610 010 8295

SOCKET, DIN 4P

★

PS601

408 038 5606

THERMISTOR

★

Q900

414 009 5407

CRT M78JUA068X78

414 009 5704

CRT M78LKU30X12(W)

★

RL601

645 000 4155

RELAY (POWER ON/OFF)

645 011 2713

RELAY

645 024 7828

RELAY

645 015 8629

RELAY

645 024 7767

RELAY

SP901

645 013 6306

SPEAKER, 8

SP902

645 013 6306

SPEAKER, 8

VR461

645 003 5531

VR, SEMI, 10K N (H-WIDTH)

645 011 6988

VR, SEMI, 10K N

645 019 6003

VR, SEMI, 10K N

★

W601

645 034 8518

CORD ,POWER-2.0MK-

★

W900

610 264 8362

ASSY, WIRE GND CONNECTOR

610 267 0325

GND CONNECTOR

Summary of Contents for DS31590

Page 1: ...10 Chassis Electrical Parts List 11 20 Cabinet Parts List 21 Component and Test Point Locations 22 23 Schematic Diagrams 25 32 Block Diagram 26 28 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 38 Key Remote Control Sound Output 1 0 W CH Intermediate Frequency Picture IF Carrier ...

Page 2: ...ensitivity Connect a 1500 ohm 10 watt resistor paralleled by a 0 15 µF 150 VAC capacitor between a known good earth ground water pipe conduit etc and all exposed metal parts of the cabinet antennas handle bracket metal cabinet 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 indicate...

Page 3: ...ta should be set up before attempting the service adjustments See pages 4 5 for detailed information INITIAL BUS DATA SETUP Note When IC802 EEPROM is replaced the Service Menu NO 01 HP H Phase NO 14 AF Auto Flesh NO 24 AG AFC Gain NO 26 SCO Sub Color NO 27 STI Sub Tint NO 29 OPT Option 1 NO 30 OP2 Option 2 and NO 31 HR OSD Display H Position should be set up for proper TV operation before attempti...

Page 4: ...etch 1 OFF 0 ON 16 VL 4 4 0 7 Video Level 17 FL 15 15 0 31 FM Level 18 NIS 1 1 0 1 N I Switch Black Noise Inverter 1 OFF 0 ON 19 ABL 1 1 0 1 ABL Defeat 0 OFF 1 ON 20 WP 1 1 0 1 White Peak Limiter 1 OFF 0 ON 21 GD 7 7 0 15 Green Drive Reduction 22 VC 0 0 0 7 Vert Comp 23 VD 32 32 0 63 Vert DC 24 AG 3 0 0 3 AFC Gain 00 Auto 01 High Gain 10 Low Gain 11 Non Gate 25 SB 32 32 0 63 Sub Brightness 26 SCO ...

Page 5: ... and XDS Extended Data Service features are available Note 3 Red Blue Drive Adjustments in Service Menu NO 40 DRV Adjust Red and Blue Drive Levels alternately with 1 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 11 and 12 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 ADJ...

Page 6: ...to an active channel 2 Check that picture is in the vertical center of TV screen If picture center is too low replace resistor R513 1K ohm 1 2W with 470 ohm 1W resistor If picture center is too high remove resistor R513 1K ohm 1 2W GRAYSCALE ADJUSTMENT 1 Set the picture controls to the Sports levels or Reset use MENU key and or key or RESET key 2 Turn off the receiver and disconnect the AC power c...

Page 7: ...ad to terminal TP51 and lead to terminal TP50 on main board Set voltmeter for 1 5V 3V range 5 Turn off the receiver and disconnect the AC power cord 120V AC line 6 While pressing the MENU key reconnect the AC power cord The Service Menu display will now appear 7 Select NO 25 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 di...

Page 8: ...tage is at trap point Voltage change in the filter adjustments is shown in Figure 7 SEPARATION ADJUSTMENT 21 Turn off the receiver and disconnect the AC power cord AC 120V line 22 Remove jumper lead from TP21 signal generator from TP301 and voltmeter from TP317 23 Connect oscilloscope CH1 to TP317 and CH2 to TP318 and ground 24 Connect an MTS TV Stereo generator to antenna termi nal 25 Select pilo...

Page 9: ...y of these failures remains uncorrected the CPU will shut off the power within 3 seconds Check the following if the set 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 power failur...

Page 10: ...lection yoke or magnet assembly on the picture tube neck Care must be taken 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 pi...

Page 11: ...0V C202 403 069 8315 CERAMIC 0 01U Z 50V C208 403 041 8804 ELECT 10U M 16V C211 403 049 0008 ELECT 1U M 50V C212 403 049 9803 ELECT 2 2U M 50V C221 403 041 8804 ELECT 10U M 16V C252 403 060 8403 POLYESTER 0 033U K 50V 403 312 1305 POLYESTER 0 033U K 50V C253 403 049 9803 ELECT 2 2U M 50V C256 403 041 4509 ELECT 470U M 10V C258 403 041 8804 ELECT 10U M 16V C272 403 050 6600 ELECT 3 3U M 50V C300 40...

Page 12: ...OMPO 0 33U J 50V C506 403 059 0104 POLYESTER 0 018U K 50V 403 312 0100 POLYESTER 0 018U K 50V C509 403 166 7716 MT POLYEST 0 47U J 63V 403 067 7805 MT COMPO 0 47U J 50V C511 403 057 3107 POLYESTER 0 1U K 50V 403 311 8909 POLYESTER 0 1U K 50V C516 403 041 8804 ELECT 10U M 16V C601 404 071 2404 MT POLYEST 0 22U M 250V 404 066 2204 MT POLYEST 0 22U M 275V C608 403 247 5508 CERAMIC 4700P K 1K 403 232 ...

Page 13: ...1S2076 407 013 7109 DIODE 1S2473 D351 407 099 6607 ZENER DIODE MTZJ12B 12V 407 063 8408 ZENER DIODE MTZJ12C 12V 407 054 3207 ZENER DIODE RD12EB2 12V 407 054 3306 ZENER DIODE RD12EB3 12V D406 407 006 4108 DIODE ERB44 04 D407 407 095 8001 DIODE ERD07 15L D421 407 158 1307 ZENER DIODE HZ11B2L 11V D422 407 158 1307 ZENER DIODE HZ11B2L 11V D428 407 099 7109 ZENER DIODE MTZJ15C 15V 407 054 5904 ZENER DI...

Page 14: ...7 ZENER DIODE RD4 3EB2 4 3V D834 407 099 8007 ZENER DIODE MTZJ20C 20V 407 055 1905 ZENER DIODE RD20EB3 20V D836 407 005 4505 DIODE DS442X 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4207 DIODE 1S2076 407 013 7109 DIODE 1S2473 D843 407 005 4505 DIODE DS442X 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4207 DIODE 1S2076 407 013 7109 DIODE 1S2473 D1001 407 099 6102 ZENE...

Page 15: ... TR 2SC945A QA 405 020 7907 TR 2SC945A RA Q202 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 405 020 7501 TR 2SC945A PA 405 020 7709 TR 2SC945A QA 405 020 7907 TR 2SC945A RA Q216 405 011 8401 TR 2SC1740S Q 405 011 8500 TR 2SC1740S R 405 011 8609 TR 2SC1740S S 405 012 2002 TR 2SC1815 GR...

Page 16: ...CTV YB Q461 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 405 020 7501 TR 2SC945A PA 405 020 7709 TR 2SC945A QA Q462 405 064 7307 TR 2SB1274 Q RA 405 064 7406 TR 2SB1274 R RA Q486 405 023 5009 TR 2SD400 E MP 405 023 5306 TR 2SD400 F MP Q601 405 095 9004 TR 2SC4423 CTV Q604 405 058 0208 TR 2SC3807 R CTV YA Q605 ...

Page 17: ...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 405 020 7501 TR 2SC945A PA 405 020 7709 TR 2SC945A QA 405 020 7907 TR 2SC945A RA R001 401 039 0413 MT GLAZE 8 2K JA 1 10W R002 401 039 0413 MT GLAZE 8 2K JA 1 10W R003 401 037 9210 MT GLAZE 1 8K JA 1 10W R004 401 037 9210 MT GLAZE 1 8K JA 1 10W R005 401 037 5618 MT GLAZE 10K JA 1...

Page 18: ...7 KA 5W 402 075 5704 WIRE WOUND 4 7 KA 5W R418 401 009 1607 CARBON 2 7K JB 1 2W R421 401 148 7201 MT FILM 1 8K FA 1 6W R422 401 052 6802 MT FILM 10K FA 1 6W R423 401 053 2605 MT FILM 3 3K FA 1 6W R426 401 038 9011 MT GLAZE 680 JA 1 10W R428 401 025 1902 CARBON 15K JA 1 6W R460 401 026 9303 CARBON 47 JA 1 6W R461 401 026 0607 CARBON 270 JA 1 6W R467 401 010 8305 CARBON 5 6K JA 1 2W R468 401 027 520...

Page 19: ...6317 MT GLAZE 470 JA 1 10W R856 401 024 6700 CARBON 100 JA 1 6W R857 401 024 6700 CARBON 100 JA 1 6W R859 401 037 5618 MT GLAZE 10K JA 1 10W R862 401 024 6700 CARBON 100 JA 1 6W R864 401 038 5310 MT GLAZE 39K JA 1 10W R881 401 037 5212 MT GLAZE 100 JA 1 10W R882 401 037 5212 MT GLAZE 100 JA 1 10W R883 401 024 6700 CARBON 100 JA 1 6W R884 401 024 6700 CARBON 100 JA 1 6W R886 401 024 7400 CARBON 10K...

Page 20: ...ER U V A102 610 246 9660 HOLDER ANT A VC A102B 610 278 8815 ANT CABLE A700 610 275 9822 ASSY PWB SOCKET A1000 610 276 0101 ASSY PWB AV A1901 645 027 4213 UNIT REMOCON RECEIVER F601 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 K701A 645 025 6103 SOCKET CRT...

Page 21: ...02 7151 DC HOLDER 4 USED 5 610 275 2472 CABINET BACK 6 412 036 1805 SCREW 4X14 12 USED OR 411 078 1101 SCREW 4X14 12 USED 7 610 276 6363 DEC AV SHEET 8 610 275 4049 BUTTON UNIT 9 610 265 3786 CAP RC 10 610 276 6349 DEC SHEET 11 610 236 9274 SANYO BADGE 610 276 2228 OWNER S MANUAL 645 034 8129 RC TRANSMITTER 610 278 3186 RC BATTERY COVER CABINET PARTS LIST KEY NO PARTS NO DESCRIPTION ACCESSORY PART...

Page 22: ... 22 COMPONENT ANDTESTPOINT LOCATIONS MAIN BOARD CAUTION FOR CONTINUED PROTECTION AGAINST A RISK OF FIRE REPLACE ONLYWITHTHE SAMETYPE 4A 125V FUSE ...

Page 23: ... 23 PICTURETUBE SOCKET BOARD A V BOARD ...

Page 24: ... 24 May 99 2000 SMC Printed in U S A For parts or service contact SANYO FISHER SERVICE 1411 West 190th Street Suite 800 South Bay Corporate Center Gardena CA 90248 ...

Page 25: ...TECT AGAINST X RADIATION NOMINAL 2ND ANODE VOLTAGE IS 30 0KV AT ZERO BEAM CURRENT AT 120 VOLTS AC LINE AND MUST NOT EXCEED 31 0KV UNDER ANY OPERATING CONDITION SEE HIGH VOLTAGE CHECK ON PAGE 7 NOTES ON SCHEMATIC DIAGRAMS 1 All resistance values in ohms K 1 000 M 1 000 000 2 Unless otherwise noted on schematic all capacitor values less than 1 are expressed in µF Micro Farad and the values more than...

Page 26: ...25pF Material code C Ceramic Voltage number E Electrolytic F Polyester N Polypropylene T Tantalum K Ceramic H MT Composite P NP Electrolytic M MT Polypropylene RESISTOR Example 6 Y K 4 7 D 0 5 F 1 G 2 J 5 Value code K 10 Tolerance code M 20 Material code F Carbon film Wattage number N Metalized carbon S Oxide metalized Y Wire wound C Solid D Carbon film W Wire wound ...

Page 27: ... 27 MODEL DS31590 Chassis No 31590 00 21 22 23 24 25 26 27 28 29 30 31 32 ...

Page 28: ...01 24 GND IC801 25 5 0 IC801 26 3 5 POWER ON POWER OFF IC801 27 4 9 0 IC801 28 1 9 IC801 29 2 1 IC801 30 0 IC801 31 4 9 IC801 32 3 8 IC801 33 4 9 IC801 34 3 6 IC801 35 5 0 IC801 36 5 0 IC801 37 5 0 IC801 38 GND IC801 39 0 3 IC801 40 0 IC801 41 0 IC801 42 0 IC802 1 GND IC802 2 GND IC802 3 GND IC802 4 GND IC802 5 4 9 IC802 6 4 9 IC802 7 GND IC802 8 5 0 Device Pin Volts Mode POWER ON POWER OFF D612 1...

Page 29: ...35 B 3 6 Q135 C 7 6 Q135 E 3 0 Q202 B 3 8 Q202 C 7 6 Q202 E 3 2 Q216 B TV 0 AV 0 6 Q216 C TV 0 7 AV 0 Q216 E GND Q222 B 1 9 Q222 C 6 1 Q222 E 1 3 Q225 B 6 1 Q225 C 2 1 Q225 E 6 8 Q226 B 2 1 Q226 C GND Q226 E 2 8 Q301 B 0 6 Q301 C 4 1 Q301 E GND Q306 B 3 2 Q306 C 9 1 Q306 E 2 6 Q307 B 1 1 Q307 C GND Q307 E 1 8 Q332 B 2 1 Q332 C GND Q332 E 2 7 Q341 B 3 7 Q341 C 4 8 Q341 E 2 9 Q342 B 2 4 Q342 C 4 8 Q...

Page 30: ...N POWER OFF Q693 C 30 4 N A POWER ON POWER OFF Q693 E 0 4 5 7 POWER ON POWER OFF Q695 B 30 4 N A Q695 C GND POWER ON POWER OFF Q695 E 30 6 N A Q701 B 2 5 Q701 C 147 Q701 E 2 6 Q703 B 2 7 Q703 C 146 Q703 E 2 5 Q705 B 2 7 Q705 C 143 Q705 E 2 6 Q721 B 2 1 Q721 C GND Q721 E 1 3 Q831 B 4 3 Q831 C 4 9 Q831 E 4 9 Q881 B 0 Q881 C 4 7 Q881 E GND Q882 B 0 Q882 C 4 5 Q882 E GND Q1071 B 2 6 Q1071 C 9 1 Q1071 ...

Page 31: ...V HORIZ IC501 2 Vertical Output 52 VERT IC501 5 Inverting Input 0 55V VERT Q202 E TP16A Selected Video 1 2V HORIZ Q401 B Horizontal Drive 0 7V HORZ Q402 B Horizontal Output 18V HORZ T402 9 Heater 23V HORIZ Q601 B Power Switchingt 4V 50KHz WAVEFORMS NOTE Waveforms were taken with color bar signal and the controls adjusted for normal picture ...

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