Sanyo DS19310 Service Manual

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Sanyo DS19310 Manual Information:

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Summary of Contents:

[Page 1] Sanyo DS19310

REFERENCE No. SM5110224 DS19310, G8EDM, PRODUCT CODE 111355483 AS FILE NO. SERVICE MANUAL Remote Control Color Television DS19310 (U.S.A.) (CANADA) ORIGINAL VERSION Chassis No. 19310-00 NOTE: Match the Chassis No. on the unit’s back cover with th...

[Page 2] Sanyo DS19310

— 2 — SAFETY PRECAUTIONS WARNING: The chassis of this receiver has a floating ground with the potential of one half the AC line voltage in respect to earth ground. Service should not be attempted by anyone not familiar with the precautions necess...

[Page 3] Sanyo DS19310

GENERAL This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments. ON-SCREEN SERVICE MENU SYSTEM 1. Enter the Service Menu: • While pressing the MENU key, reconnect the AC pow...

[Page 4] Sanyo DS19310

— 4 — Table 1. ON-SCREEN SERVICE MENU When IC802 (EEPROM) is replaced, check the bus data to confirm they are the same as below. The shaded menu should be checked and be set up or readjusted according to the procedures described in the following ...

[Page 5] Sanyo DS19310

SERVICE ADJUSTMENTS (Continued) — 5 — PROGRAM CODES The microprocessor used in this model is a multi-purpose type and is used in several different models. To ensure proper operation and the correct features for your particular model, the Program...

[Page 6] Sanyo DS19310

SERVICE ADJUSTMENTS (Continued) — 6 — ANTENNA CONNECTIONS This receiver is designed for UHF/VHF reception. A 75 ohm terminal is provided for UHF and VHF receptions. When connecting a CATV antenna system, connect the 75 ohm coaxial cable direct...

[Page 7] Sanyo DS19310

— 7 — APC DET ADJUSTMENT Note: APC DET must be adjusted after IC101 (Signal Processor), IC802 (EEPROM) or T151 (PLL VCO Coil) is replaced. 1. Disconnect the antenna terminal and the AC power cord (120V AC line). 2. Connect voltmeter + lead to TP1...

[Page 8] Sanyo DS19310

HIGH VOLTAGE CHECK Note: +B (+135V) Voltage Check and Grayscale Adjustment must be completed before attempting High Voltage Check. 1. Connect high voltage voltmeter negative lead to ground, and connect + lead to anode of picture tube. 2. Tune receive...

[Page 9] Sanyo DS19310

— 9 — SERVICE HINTS POWER FAILURE DETECTOR This set is equipped with a Power Failure Detector function included in the CPU which checks for an abnormal condition in the chassis power supplies, including the power supply derived from the Horizont...

[Page 10] Sanyo DS19310

— 10 — PURITY AND CONVERGENCE ADJUSTMENTS PURITY ADJUSTMENT 1. When replacing picture tube or deflection yoke, mount deflection yoke and purity-convergence magnets assembly properly. See Figure 1. Position the picture tube facing east or west. De...

[Page 11] Sanyo DS19310

CONVERGENCE ADJUSTMENT CENTER CONVERGENCE ADJUSTMENT 1. Connect a crosshatch generator to antenna terminals. 2. Set Contrast control to low level to eliminate Blooming. Reduce Brightness level to obtain black background if necessary. 3. Adjust the a...

[Page 12] Sanyo DS19310

MECHANICAL DISASSEMBLIES CABINET BACK REMOVAL 1. Refer to Figure 1, remove 4 screws. 2. Pull off cabinet back and remove. — 12 — CHASSIS REMOVAL 1. Remove cabinet back. 2. Discharge the picture tube anode (2nd anode lead) to the dag coating (pict...

[Page 13] Sanyo DS19310

CHASSIS ELECTRICAL PARTS LIST CAPACITORS NOTES: Read description of the Capacitor as follows: (Example) CERAMIC 100P K 50V Rated Voltage Tolerance Symbols: less than 10PF A . .Not specified B . .±0.1PF C . .±0.25PF D . .±0.5PF F . .±1PF G . ...

[Page 14] Sanyo DS19310

— 14 — C405 404 084 4006 ELECT 2.2U M 50V C406 403 076 0200 CERAMIC 220P K 500V C407 403 076 3607 CERAMIC 470P K 500V C408 403 076 3102 CERAMIC 3900P K...

[Page 15] Sanyo DS19310

— 15 — 407 063 9306 ZENER DIODE MTZJ7.5C (7.5V) D496 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 408 008 2406 DIODE 1N4148 D501 407 005 8602 DIODE ERA15-02...

[Page 16] Sanyo DS19310

— 16 — Q101 (Cont.) 405 020 7709 TR 2SC945A-QA 405 020 7907 TR 2SC945A-RA 405 151 8705 TR 2SC536NG-NPA 405 157 0505 TR 2SC536NF-NPA Q202 405 011 8401 TR 2SC1740S-Q 405 011 8500 TR 2SC17...

[Page 17] Sanyo DS19310

— 17 — 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 2S...

[Page 18] Sanyo DS19310

— 18 — R206 401 150 6001 MT-GLAZE 0.000 ZA 1/10W R207 401 150 6209 MT-GLAZE 1K JA 1/10W R212 401 255 6005 MT-GLAZE 1M JA 1/10W R251 401 256 7308 MT-GLAZE 6....

[Page 19] Sanyo DS19310

— 19 — Schematic Location Part No. Description R847 401 162 4101 MT-GLAZE 5.6K JA 1/10W R848 401 162 4101 MT-GLAZE 5.6K JA 1/10W R849 401 162 4101 MT-GLAZE 5.6K JA 1/10W R851 ...

[Page 20] Sanyo DS19310

— 20 — Schematic Location Part No. Description Schematic Location Part No. Description Q901A2(Cont.)610 117 7924 DY SPACER Q901A3 610 117 0154 DY SPACER 610 117 7924 DY SPACER ★...

[Page 21] Sanyo DS19310

— 21 — CABINET PARTS LIST 1 610 293 2669 CABINET FRONT 2 610 285 5685 SANYO BADGE 3 610 289 8071 DEC SHEET 4 610 289 3731 BUTTON UNITED 411 078 1101 SCREW 4X14 OR 412 036 1805 SCREW 4X14 5 610 289 5148 ...

[Page 22] Sanyo DS19310

— 22 — COMPONENT AND TEST POINT LOCATIONS MAIN BOARD - Parts Side CAUTION FOR CONTINUED PROTECTION AGAINST ARISK OF FIRE, REPLACE ONLY WITH THE SAME TYPE 4A, 125V FUSE. ATTENTION : POUR MAINTENIR LA PROTECTION CONTRE LES RISQUES D’ INCENDIE UTI...

[Page 23] Sanyo DS19310

— 23 — MAIN BOARD - Foil Side ...

[Page 24] Sanyo DS19310

— 24 — PICTURE TUBE SOCKET BOARD - Parts Side Printed in U.S.A.August / 2001 / 2200 SMC For parts or service contact SANYO Fisher Service Corporation 21605 Plummer Street, Chatsworth, CA 91311 (U.S.A.) 300 Applewood Crescent, Concord, Ontario L4...