Table of Contents
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SERVICE MANUAL
(SUPPLEMENT)
THIS CHASSIS IS SIMILAR TO MODEL DS25320, CHASSIS NUMBER
25320-06. SERVICE INFORMATION GIVEN IN THIS MANUAL IS ONLY
THE DIFFERENCE INFORMATION FROM MODEL DS25320, CHASSIS
NUMBER 25320-06. FOR ADDITIONAL SERVICE INFORMATION, REFER
TO THE SERVICE MANUAL FOR CHASSIS NUMBER 25320-06 USED IN
MODEL DS25320 (SM780077-06).
H2DAA, PRODUCT CODE 111378080
Remote Control Color
Television
AS
FILE NO.
DS24205
(U.S.A.)
(CANADA)
ORIGINAL VERSION
Chassis No. 24205-00
NOTE: Match the Chassis No. on
the unit's back cover with
the Chassis No. in the
Service Manual.
If the Original Version
Service Manual Chassis
No. does not match the
unit's, additional Service
Literature is required. You
must refer to "Notices" to
the Original Service Manual
prior to servicing the unit.
SS
REFERENCE No.
780052
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Related Manuals for Sanyo DS24205
Summary of Contents for Sanyo DS24205
- Page 1 FILE NO. SERVICE MANUAL Remote Control Color DS24205 (U.S.A.) Television (SUPPLEMENT) (CANADA) ORIGINAL VERSION Chassis No. 24205-00 NOTE: Match the Chassis No. on the unit’s back cover with the Chassis No. in the Service Manual. If the Original Version Service Manual Chassis No.
- Page 2 DIFFERENCES MODEL DS24205 (Chassis No. 24205-00) SAME AS MODEL DS25320 (Chassis No. 25320-06) EXCEPT: 1. IN THE CABINET / ACCESSORY PARTS LIST MODEL DS24205 (Chassis No. 24205-00) MODEL DS25320 (Chassis No. 25320-06) KEY NO. Part No. Description Part No.
- Page 3 2. IN THE CHASSIS ELECTRICAL PARTS LIST MODEL DS24205 (Chassis No. 24205-00) MODEL DS25320 (Chassis No. 25320-06) KEY NO. Part No. Description Part No. Description 404 081 2807 MT-POLYPRO 0.33U J 250V 403 349 3204 MT-POLYPRO 0.30U J 250V C416 403 346 7205 MT-POLYPRO 0.33U J 250V...
- Page 4 For parts or service contact SANYO FISHER SERVICE 21605 Plummer Street Chatsworth, CA 91311 (U.S.A.) 300 Applewood Crescent, Concord, Ontario L4K 5C7 (CANADA) March / 2005 / 2000 SMC Printed in U.S.A.
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Page 5: Table Of Contents
Notice PRODUCTION CHANGE CORRECTION FILE NO. SERVICE FLASH ADD INFORMATION REVISION 06 Please add this notice to the Service Manual listed below. April / 15 / 2003 COLOR TELEVISION Date: Category DS25320 25320-06 Model: Effective from : Chassis No. U.S.A. / CANADA SM780077 Destination: REF : No. -
Page 6: Safety Instructions
SAFETY INSTRUCTIONS SAFETY PRECAUTIONS WARNING: The chassis of this receiver has a floating READING SHOULD NOT EXCEED 750 mV. AC VOLTMETER ground with the potential of one half the AC line voltage in (5000 ohms per volt or more sensitivity) respect to earth ground. -
Page 7: Service Adjustments
SERVICE ADJUSTMENTS GENERAL This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments. To enter the Service Menu, first disconnect the AC power cord. Then while pressing the MENU key on the front control panel, recon- nect the AC power cord. - Page 8 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 pages. Initial Setup Data marked with an * should be changed from Initial Reference Data.
- Page 9 DRIVE AND BIAS ADJUSTMENTS PROGRAM CODE The microprossesor used in this model is a multi-purpose Note 1. type and is used in several different models. To ensure Red/Blue Drive Adjustments in Service Menu NO. 8F DRV: proper operation and the correct features for your Adjust Red and Blue Drive Levels alternately with 1, 3, 7, particular model, the Program Code must be correct.
- Page 10 SERVICE ADJUSTMENTS (Continued) ANTENNA CONNECTIONS GRAYSCALE ADJUSTMENT This receiver is designed for UHF/VHF reception. A 75 ohm 1. Set the picture controls to the Auto levels (use MENU terminal is provided for UHF and VHF receptions. When key and key or RESET key). connecting a CATV antenna system, connect the 75 ohm 2.
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Page 11: Picture Tube
VCO ADJUSTMENT HIGH VOLTAGE HOLD-DOWN TEST Every time the receiver is serviced, the HIGH VOLTAGE Note: VCO must be adjusted after IC101 (Signal HOLD-DOWN circuit must be tested for proper operation by Processor), IC802 (EEPROM) or T151 (VCO Coil) is following these steps: replaced. - Page 12 SERVICE ADJUSTMENTS (Continued) VIDEO LEVEL SOUND ADJUSTMENT 1. Connect color-bar generator to antenna terminals. 1. Connect a color-bar generator to the antenna terminals 2. Switch the generator to a white field (100 IRE). with audio signal of 1KHz at 100% modulation. 3.
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Page 13: Service Hints
SERVICE HINTS POWER FAILURE DETECTOR This unit 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 Horizontal Output Transformer. If, while the power is on, a failure is caused by any of the following that results in a low voltage supply, the CPU will turn the unit off in 1.5 seconds to prevent unnecessary damage: •... -
Page 14: Purity And Convergence
PURITY AND CONVERGENCE ADJUSTMENTS CAUTION: The Purity and Convergence adjustments have been made at the factory. Readjustments should be made only after the picture tube or deflection yoke is replaced. Follow the steps below for necessary readjustments. PURITY ADJUSTMENTS 1. When replacing picture tube or deflection yoke, mount deflection yoke and purity and convergence magnets DEFLECTION YOKE assembly properly. -
Page 15: Convergence Adjustment
CONVERGENCE ADJUSTMENT CENTER CONVERGENCE ADJUSTMENT OUTER AREA CONVERGENCE ADJUSTMENT 1. Connect a crosshatch generator to antenna terminals. The outer area convergence is performed by positioning of 2. Set Contrast to low level to eliminate blooming. Reduce the yoke as follows: Brightness level to obtain black background if necessary. -
Page 16: Mechanical Disassemblies
MECHANICAL DISASSEMBLIES CHASSIS REMOVAL CABINET BACK REMOVAL 1. Remove cabinet back. 1. Refer to Figure 1, remove 7 screws. 2. Discharge the picture tube anode (2nd anode lead) to the 2. Pull off cabinet back and remove. dag coating (picture tube grounding lead). 3. -
Page 17: Chassis Electrical Parts List
CHASSIS ELECTRICAL PARTS LIST CAUTION: To Protect against electrical shock and for continued product safety, refer to SAFETY PRECAUTIONS, X-RADIATION PRECAUTIONS, HIGH VOLTAGE HOLD-DOWN TEST, and PRODUCT SAFETY NOTICE on Page 2. PRODUCT SAFETY NOTICE PRODUCT SAFETY SHOULD BE CONSIDERED WHEN A REPLACEMENT IS MADE IN ANY AREA OF A RECEIVER. COMPONENTS INDICATED BY A STAR ( ) IN THIS PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY CAN BE OF SPECIAL SIGNIFICANCE. -
Page 18: Transistors
Schematic Schematic Part No. Part No. Description Description Location Location C805 404 084 2200 ELECT 100U M 6.3V C408 404 085 4609 ELECT 47U M C411 403 343 7703 MT-POLYPRO 0.012U H 1.5KV C807 403 234 9809 CERAMIC 18P J C808 403 234 9809 CERAMIC... - Page 19 Schematic Schematic Part No. Description Part No. Description Location Location D626 407 007 7801 DIODE EU2Z TRANSISTORS D680 407 013 4306 DIODE 1S2076A Q401 405 018 0507 TR 2SC3332-R 407 013 7109 DIODE 1S2473 405 018 0606 TR 2SC3332-S 408 008 2406 DIODE 1N4148 Q402 406 017 4602...
- Page 20 Schematic Schematic Description Description Part No. Part No. Location Location Q721 (Cont.)405 066 9903 TR 2SC2688(1)-K R251 401 162 3005 MT-GLAZE 22K JA 1/10W 405 067 0008 TR 2SC2688(1)-L R252 401 162 3005 MT-GLAZE 22K JA 1/10W 405 067 0107 TR 2SC2688(1)-M R272 401 027 5502...
- Page 21 Schematic Schematic Part No. Description Part No. Description Location Location 402 088 1502 RESISTER 3.3M JA 1/2W R852 401 256 1702 MT-GLAZE 33K JA 1/10W 402 090 2108 RESISTER 3.3M JA 1/2W R856 401 024 6700 CARBON 100 JA 1/6W R603 401 021 5003 CARBON...
- Page 22 Schematic Schematic Part No. Part No. Description Description Location Location CRYSTAL/FILTERS K701 645 028 0306 SOCKET, CRT 8P K1001 645 040 5952 JACK, RCA-2 X141 421 009 9403 SAW F TSF5246P PS601 408 046 5209 TH PTDAA1BF3R0Q100 X251 610 012 0655 CRYSTAL OSCILLATOR 610 204 4195 CRYSTAL OSCILLATOR...
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Page 23: Cabinet Parts List
CABINET BACK OR 610 295 7525 CABINET BACK 412 036 1805 SCREW 4X14 (7 USED) OR 411 078 1101 SCREW 4X14 (7 USED) 610 295 7464 BUTTON UNIT 610 267 0851 CAP RC 610 293 2560 SANYO BADGE — 19 —... -
Page 24: Component And Testpoint Locations
COMPONENT AND TESTPOINT LOCATIONS MAIN BOARD PARTS SIDE VOL-UP VOL-DN CH-UP CH-DN MENU POWER A1901 SW1903 SW1904 SW1905 SW1901 SW1902 SW1906 EEPROM IC802 CONTROL 4A 125V TP814 4A 125V RL601 X801 LF601 PS601 LF601A R601H1 IC801 R601H2 R601H3 C633 C609 C633A TP113 D612... -
Page 25: Locations
CAUTION 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 RECHANGE DE MEME TYPE 4A, 125V. 4A 125V MAIN BOARD COMPONENTS AND TEST POINTS GRID LOCATIONS Part... - Page 26 COMPONENT AND TESTPOINT LOCATIONS (Cont.) MAIN BOARD FOIL SIDE SW1906 SW1905 SW1904 SW1903 SW1902 SW1901 A1901 IC802 R1907 R1904 R1903 R1905 R1906 R863 R852 K1001 C862 TP814 FOR CONTINUED PROTECTION CAUTION AGAINST RISK FIRE, Q831 R892 C821 REPLACE ONLY WITH THE SAME R894 TYPE 4A, 125V FUSE.
- Page 27 PICTURE TUBE SOCKET BOARD SCREEN ???? K7U1 C742 PIC TUBE SOCKET BOARD COMPONENTS Part Loc. Q701 Q711 Q721 — 23 —...
- Page 28 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) April / 2003 / 2000 SMC Printed in U.S.A. — 24 —...
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Page 29: Schematic Insert
MODEL DS25320 Chassis No. 25320-06 WAVEFORMS CAUTION FOR CONTINUED PROTECTION AGAINST A RISK OF FIRE, REPLACE ONLY WITH SCHEMATIC DIAGRAMS THE SAME TYPE 4A, 125V FUSE. Note: Voltages were measured with offset color-bar signal and controls set for normal picture. BLOCK DIAGRAM ATTENTION: POUR MAINTENIR LA PROTECTION CONTRE LES RISQUES D' INCENDIE UTILISER UN... - Page 30 MODEL DS25320 Chassis No. 25320-06 ASSY, PWB, MAIN IC501 TUNER(WITH PLL & BAND SW) A101 R517 C106 L902 LBWA D501 C502 35EM C516 220LBWA R518 TP16 16EM10 LBWA L256 C508 KX5P R503 C506 CJ56G C258 R252 C253 3.9K FK5600 16EM 1/10GJ EM0.47 R511...