Sanyo DS25320 Service Manual Download Page 14

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Schematic
Location

Part No.

Description

Schematic
Location

Part No.

Description

C284

403 043 0202

ELECT

220U M

16V

C285

403 224 6108

CERAMIC

0.01U K

50V

C401

403 042 2405

ELECT

100U M

16V

C402

403 224 6108

CERAMIC

0.01U K

50V

C403

403 063 0206

POLYESTER 6800P K

50V

403 312 2807

POLYESTER 6800P K

50V

C405

403 086 2607

NP-ELECT

1U M

50V

C406

403 075 9006

CERAMIC

150P K

500V

C407

403 075 7101

CERAMIC

1000P K

500V

C408

403 103 0005

ELECT

4.7U M

160V

★

C411

404 078 2506

MT-POLYPRO4200P H

1.5K

403 343 7802

MT-POLYPRO4200P H

1.5K

★

C413

403 324 3001

CERAMIC

680P K

★

C414

403 076 4010

CERAMIC

4700P K

500V

★

C417

404 081 2609

MT-POLYPRO 0.27U M

200V

404 346 7126

MT-POLYPRO 0.27U J

250V

403 372 6807

MT-POLYPRO 0.27U J

250V

C421

403 038 6301

ELECT

220U M

6.3V

C426

403 224 6108

CERAMIC

0.01U K

50V

C441

403 224 6108

CERAMIC

0.01U K

50V

C483

404 069 2102

ELECT

47U M

160V

C484

403 051 0607

ELECT

4.7U M

50V

C487

403 053 2104

ELECT

220U M

35V

C491

403 041 8804

ELECT

10U M

16V

C493

404 056 5307

NP-ELECT

2.2U M

100V

C496

403 044 1703

ELECT

470U M

16V

C497

403 038 1603

ELECT

100U M

6.3V

C501

403 049 4204

ELECT

10U M

50V

C502

403 053 2104

ELECT

220U M

35V

C503

403 044 6609

ELECT

10U M

25V

C504

403 042 4805

ELECT

1000U M

16V

C505

404 084 5706

MT-POLYEST 0.47UJ

63V

403 166 7706

MT-POLYEST 0.47U J

63V

403 067 7805

MT-COMPO

0.47U J

50V

C506

404 084 5201

POLYESTER 0.018UK

63V

403 059 0104

POLYESTER 0.018U K

50V

403 312 0100

POLYESTER 0.018U K

50V

C508

403 028 1705

CERAMIC

56P J

50V

C509

404 084 5706

MT-POLYEST 0.47UJ

63V

403 166 7706

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

403 049 0008

ELECT

1U M

50V

★

C601

404 071 2404

MT-POLYEST 0.22U M

250V

404 066 2204

MT-POLYEST 0.22U M

275V

★

C602

403 075 7111

CERAMIC

1000P K

500V

★

C604

403 075 7111

CERAMIC

1000P K

500V

★

C606

404 073 5304

CERAMIC

470P K

250V

404 088 3500

CERAMIC

470P M

250V

404 088 3609

CERAMIC

470P M

250V

★

C608

403 222 1907

CERAMIC

2200P K

403 263 6305

CERAMIC

2200P K

403 232 0204

CERAMIC

2200P K

C609

404 049 4706

ELECT

330U M

200V

404 085 9000

ELECT

330U M

200V

C612

403 057 3107

POLYESTER

0.1U K

50V

403 311 8909

POLYESTER

0.1U K

50V

C613

403 061 9805

POLYESTER 0.047U J

50V

403 312 2104

POLYESTER 0.047U J

50V

C614

403 056 9704

POLYESTER

0.01U J

50V

403 311 8602

POLYESTER

0.01U J

50V

★

C624

403 266 4902

CERAMIC

1200P K

403 262 2308

CERAMIC

1200P K

★

C625

403 266 4902

CERAMIC

1200P K

403 262 2308

CERAMIC

1200P K

C626

403 042 4805

ELECT

1000U M

16V

C628

404 073 9005

ELECT

220U M

160V

C629

403 043 0202

ELECT

220U M

16V

★

C631

404 073 5304

CERAMIC

470P K

250V

404 088 3500

CERAMIC

470P M

250V

404 088 3609

CERAMIC

470P M

250V

★

C632

404 088 2909

CERAMIC

1000P M

250V

404 088 7102

CERAMIC

1000P M

250V

★

C633

404 088 2909

CERAMIC

1000P M

250V

404 088 7102

CERAMIC

1000P M

250V

C634

403 043 9106

ELECT

47U M

16V

C683

403 042 7707

ELECT

22U M

16V

C693

403 049 0008

ELECT

1U M

50V

C701

403 224 5715

CERAMIC

1000P K

50V

C711

403 357 9403

CERAMIC

820P J

50V

C721

403 357 8802

CERAMIC

1000P J

50V

★

C742

403 077 2807

CERAMIC

1000P Z

C801

403 224 6108

CERAMIC

0.01U K

50V

C805

403 039 3507

ELECT

470U M

6.3V

C806

403 039 3507

ELECT

470U M

6.3V

C807

403 234 9809

CERAMIC

18P J

50V

C808

403 234 9809

CERAMIC

18P J

50V

C811

403 235 0607

CERAMIC

100P J

50V

C812

403 235 0607

CERAMIC

100P J

50V

C822

403 041 8804

ELECT

10U M

16V

C831

403 049 0008

ELECT

1U M

50V

C834

403 224 6108

CERAMIC

0.01U K

50V

C841

403 224 6108

CERAMIC

0.01U K

50V

C842

403 224 6108

CERAMIC

0.01U K

50V

C843

403 224 6108

CERAMIC

0.01U K

50V

C862

403 224 6108

CERAMIC

0.01U K

50V

C891

404 084 9803

NP-ELECT

1U M

50V

403 086 2300

NP-ELECT

1U M

50V

C892

403 224 5705

CERAMIC

1000P K

50V

C894

403 323 3602

CERAMIC

0.047U K

50V

C896

403 049 9803

ELECT

2.2U M

50V

C1001

403 041 8804

ELECT

10U M

16V

C1002

403 046 9905

ELECT

4.7U M

25V

C1902

403 038 1603

ELECT

100U M

6.3V

DIODES

D001

408 047 4706

ZENER DIODE MTZJ15B (15V)

D101

407 100 0204

ZENER DIODE MTZJ36A (36V)

407 056 2307

ZENER DIODE RD36EB1 (36V)

408 046 1508

ZENER DIODE MTZJ36A (36V)

D351

407 063 8606

ZENER DIODE MTZJ5.1A (5.1V)

407 056 8002

ZENER DIODE RD5.1EB2 (5.1V)

★

D421

407 158 1307

ZENER DIODE HZ11B2L (11V)

★

D422

407 158 1307

ZENER DIODE HZ11B2L (11V)

D428

407 099 3309

ZENER DIODE MTZJ13C (13V)

407 054 4808

ZENER DIODE RD13EB3 (13V)

408 046 0303

ZENER DIODE MTZJ13C (13V)

Summary of Contents for DS25320

Page 1: ...tions 2 Service Adjustments 3 8 Service Hints 9 Purity and Convergence 10 11 Mechanical Disassemblies 12 Chassis Electrical Parts List 13 18 Cabinet Parts List 19 Component and Test Point Locations 20 23 Schematic Insert 25 32 Schematic Notes 25 Pin Layouts 25 Capacitor and Resistor Codes 25 Block Diagram 26 27 Voltage Charts 26 27 Waveforms 28 Schematic Diagrams 29 32 SERVICE MANUAL Remote Contro...

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: ...b Color No 49 STI Sub Tint No 50 SSH Sub Sharpness No 51 OPT Option 1 and No 52 OPT2 Option 2 should be set up for proper TV operation before attempting the service adjustments Bus data is in the hexadecimal format 1 Disconnect the AC power 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 4 VS V Size with or key Adjust...

Page 4: ...1 00 01 Filter System 25 CKO 03 03 00 07 Color Killer Operation 26 GYA 00 00 00 01 G Y Angle 27 CRG 02 02 00 03 Corring Gain 28 PRE 03 02 00 03 Preshoot Adjust 29 WP 01 01 00 01 White Peak Limiter 01 OFF 00 ON 30 FSW 00 00 00 o1 Flyback Blanking Switch 31 VBL 00 00 00 01 Vertical Blanking Switch 32 BSG 01 02 00 03 Black Stretch Gain 33 BSS 01 01 00 03 Black Stretch Start 34 DCR 01 01 00 03 DC Rese...

Page 5: ... the Program Code must be correct Note 1 Option Data NO 51 OPT should be set to hexa decimal 04 See page 3 INITIAL DATA SETUP step 13 for set up procedure If this program code is wrong the TV will not operate properly Note 2 Option Data NO 52 OPT2 should be set to hexa decimal 80 See page 3 INITIAL DATA SETUP step 14 for set up procedure If this program code is wrong the TV will not operate proper...

Page 6: ...re center is too high add resistor R512 470 ohm 1W GRAYSCALE ADJUSTMENT 1 Set the picture controls to the Auto levels use MENU key and or key or RESET key 2 Turn off the receiver and disconnect the AC power cord 120V AC line 3 While pressing the MENU key reconnect the AC power cord The Service Menu display will now appear 4 Select NO 15 RB Red Bias NO 16 GB Green Bias and NO 17 BB Blue Bias with o...

Page 7: ... Adjust the data with or key for 600 mVDC 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 the contrast level will be suppressed HIGH VOLTAGE HOLD DOWNTEST Every time the receiver is serviced the HIGH VOLTAGE HOLD DOWN circuit must be tested for ...

Page 8: ...key to turn off the Service Menu display and disconnect oscilloscope from chassis SOUND ADJUSTMENT 1 Connect a color bar generator to the antenna terminals with audio signal of 1KHz at 100 modulation 2 Set the picture controls to the Auto levels 3 Connect oscilloscope lead to TP21 pin 75 of IC101 or C132 and lead to ground 4 Turn off the receiver and disconnect the AC power cord AC 120V line 5 Whi...

Page 9: ...ny 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 power fail...

Page 10: ...ust Service Menu NO 15 RB Red Bias NO 16 GB Green Bias and NO 17 BB Blue Bias data each to 0 8 Select Service Menu NO 56 no vertical sweep 9 Adjust the Screen Control counterclockwise until the horizontal scan line is no longer visible 10 Select Service Menu NO 16 GB Green Bias and increase the data to produce a green raster If retrace lines appear reduce screen control slightly 11 Pull yoke back ...

Page 11: ...D GREEN Adjust six pole tabs angle to superimpose red blue and green vertical line Adjust six pole tabs together to superimpose red blue and green horizontal line RED GREEN BLUE RED GREEN BLUE Line movement when adjusting top of yoke in and out Figure 7 Side of Yoke Movement OUTER AREA CONVERGENCE ADJUSTMENT The outer area convergence is performed by positioning of the yoke as follows 1 Move the t...

Page 12: ... 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 picture tube out of the cabinet 4 Install a replacement picture tube...

Page 13: ...10 U 75 10 V 20 10 W 100 10 X 40 20 Y 150 10 Z 80 20 Rated Value P Pico Farad U Micro Farad Material CERAMIC Ceramic MT PAPER Metalized Paper POLYESTER Polyester MT POLYEST Metalized Polyester POLYPRO Polypropylene MT POLYPRO Metalized Polypropylene COMPO FILM Composite Film MT COMPO Metalized Composite STYRENE Styrene TA SOLID Tantalum Solid AL SOLID Aluminum Solid ELECT Electrolytic NP ELECT Non...

Page 14: ...706 ELECT 330U M 200V 404 085 9000 ELECT 330U M 200V C612 403 057 3107 POLYESTER 0 1U K 50V 403 311 8909 POLYESTER 0 1U K 50V C613 403 061 9805 POLYESTER 0 047U J 50V 403 312 2104 POLYESTER 0 047U J 50V C614 403 056 9704 POLYESTER 0 01U J 50V 403 311 8602 POLYESTER 0 01U J 50V C624 403 266 4902 CERAMIC 1200P K 1K 403 262 2308 CERAMIC 1200P K 1K C625 403 266 4902 CERAMIC 1200P K 1K 403 262 2308 CER...

Page 15: ...IODE 1S2076A 407 013 7109 DIODE 1S2473 D693 407 099 5501 ZENER DIODE MTZJ6 2C 6 2V 407 057 2801 ZENER DIODE RD6 2EB3 6 2V D801 408 008 2406 DIODE 1N4148 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D802 408 008 2406 DIODE 1N4148 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D831 407 222 5903 ZD UDZS TE 173 6B 3 6V D834 407 063 8606 ZENER DIODE MTZJ5 1A 5 1V 407 099 5204 ZENER DIODE ...

Page 16: ...907 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 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 Q695 405 001 7605 TR 2SA1015 Y SAN 405 004 3208 TR 2SA564A R CU 405 004 4809 T...

Page 17: ...2 2 JB 1 2W R496 401 061 1706 OXIDE MT 33 JA 1W R497 401 069 0404 OXIDE MT 6 8 JA 2W R498 401 011 1107 CARBON 68 JA 1 2W R499 401 059 1602 OXIDE MT 15 JA 1W R503 401 026 7002 CARBON 3 9K JA 1 6W R504 401 026 9907 CARBON 4 7K JA 1 6W R505 401 006 8401 CARBON 1 5 JA 1 2W R506 401 025 7409 CARBON 220 JA 1 6W R507 401 006 8807 CARBON 1 8 JA 1 2W R508 401 024 9701 CARBON 12K JA 1 6W R509 401 027 2600 C...

Page 18: ...09 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 401 255 6500 MT GLAZE 100 JA 1 10W SWITCHS SW1901 645 006 9673 SWITCH PUSH POWER SW1902 645 006 9673 SWITCH PUSH VOL SW1903 645 006 9673 SWITCH PUSH VOL SW1904 6...

Page 19: ...OR 411 078 1101 SCREW 4X14 4 USED 7 610 275 1857 BUTTON UNIT 8 610 265 3786 CAP RC 9 610 296 5780 DEC SHEET 610 297 8810 OWNER S MANUAL 645 051 9390 ANTENNA ROD 645 051 8508 RC TRANSMITTER OR 645 051 8553 RC TRANSMITTER 610 290 1221 RC BATTERY COVER OR 610 290 1283 RC BATTERT COVER CABINET PARTS LIST KEY NO PARTS NO DESCRIPTION ACCESSORY PARTS LIST KEY NO PARTS NO DESCRIPTION AS VIDEO IN AUDIO IN ...

Page 20: ...837 Q490 D490 R490 C508 J401 J1901 J146 J147 J504 J409 J107 J501 J407 J412 J411 J406 J413 J408 J405 J502 J106 J802 J818 J817 J816 J813 J423 J141 J142 J421 L811 J801 J1902 L812 J424 J281 J444 J282 J809 R142 J402 A1901 L401 R408A C274 C491 R511A K1001 KSP D001 R001 C001 C008 IC001 J101 C011 J161 J132 J001 J256 R401 R496 R499 C497 C1001 R487 Q486 R486 C805 D680 R628 Q681 Q627 C693 Q693 R694 D693 Q695...

Page 21: ...AUTION Part Loc D429 A1 D612 B4 D802 E2 IC001 E2 IC101 D4 IC501 D2 IC601 C5 IC681 B6 IC801 E5 IC802 E6 Q401 B2 Q402 C2 Q486 C4 Q490 C3 Q601 A3 Q611 A4 Q612 A4 Q613 A4 Part Loc Q627 C4 Q635 B5 Q681 B6 Q693 C4 Q695 C4 Q831 E6 R512 E2 R513 E2 TE7 A1 TP7 A1 TJ1 B3 TJ6 D3 TP16 E3 TP21 D3 TP50 A2 TP51 A2 T151 E3 MAIN BOARD COMPONENTS AND TEST POINTS GRID LOCATIONS PIC TUBE SOCKET BOARD COMPONENTS Part L...

Page 22: ... J482 D802 R404 R882 R881 R884 R883 T402H11C C1002 R488 D683 R686 C689 PS601 R601H2 R601A PS601B KD1P KD2P D604 R601H3 R601 R601H1 C606A D603 D601 D602 C606 R602 A1 A2 F601B F601A LF601 LF601A J608 C632A C632 T601H14 T601H7 D612 C633 C633A T601H2 T601H10 H C609H2 C609H1 L602 R603 R617 R618 J601 R604 R612 C608A C608 D611 C611 Q613 D613 R614 C613 C614 C612 R607 Q612 L612 R606 R611 R613 D614 L611 Q61...

Page 23: ...E E B10B0790B 1 5 4 1 SCREEN GND A Q701 Q701A R706 K7B R717 R727 R707 R726 R707A R727A R717A K7U K7U1 C742 R716 K7S K701 K701A R701 C702 Q721A Q721 Q711 Q711A R721 R711 R722 R723 K7Y1 PICTURETUBE SOCKET BOARD ...

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

Page 25: ...C801 28 4 9 IC801 29 GND IC801 30 GND IC801 31 GND IC801 32 GND POWER ON POWER OFF IC801 33 4 9 0 IC801 34 N C IC801 35 4 9 IC801 36 5 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 30 6 10 5 POWER ON POWER OFF D612 2 29 5 9 4 POWER ON POWER OFF D612 3 0 7 0 4 POWER ON POWER OFF D612 4 14 7 1 7 IC001...

Page 26: ...7 R717 R727 R716 R726 R706 C742 K7U K7Y1 R704 R721 R711 R701 K701 K7U1 R728 R718 K7S K7B 2SJ 6 8 1 6NF 3 9K 35EM 220 LBWA J 3 9K 1SJ180 25EM 10LBWA 220 1 2DJ 1 8 160EM 4 7BE 2SJ 18K 2SD2634YB 5SJ 5 6VC J 2SC2271 C D C E C M N 500KK 150A 500KK 1000A DJ5 6K J 4 7K 5 6K 12K DJ470K 1 10GJ 5 6KC 1 10GJ 5 6KC 5 6K 3 9K F1BAM0300 1SJ560 47 U20B32400 U20B35900 1 10GJ 12KC 1 10GJ 5 6KC 1 10GJ 3 9KC 1 10GJ ...

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Sanyo DS25320, Service Manual

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