Remote control digital
color television (43 pages)
Summary of Contents for Sanyo DS19330
FILE NO. SERVICE MANUAL Remote Control Color DS19330 (U.S.A.) Television (SUPPLEMENT) (CANADA) ORIGANAL VERSION Chassis No. 19330-00 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.
DIFFERENCES MODEL DS19330 (Chassis No. 19330-00) SAME AS MODEL DS19310 (Chassis No. 19310-04) EXCEPT: 1. IN THE CABINET / ACCESSORY PARTS LIST MODEL DS19330 (Chassis No. 19330-00) MODEL DS19310 (Chassis No. 19310-04) KEY NO. Part No. Description Part No.
Notice PRODUCTION CHANGE CORRECTION FILE NO. SERVICE FLASH ADD INFORMATION REVISION 04 Please add this notice to the Service Manual listed below. COLOR TELEVISION MARCH / 15 / 2002 Category Date: DS19310 19310-04 Model: Effective from : Chassis No. SM5110224 U.S.A.
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.
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. IC802 (EEPROM) REPLACEMENT When IC802 (EEPROM) is replaced, IC801 (CPU) will automatically write the initial reference data into IC802 for basic TV operation. However, the bus data should be checked and some bus data should be set up before attempting the service adjustments.
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.
Table 1. ON-SCREEN SERVICE MENU (Continued) 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.
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.
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.
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.
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: •...
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.
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.
MECHANICAL DISASSEMBLIES CHASSIS REMOVAL CABINET BACK REMOVAL 1. Remove cabinet back. 1. Refer to Figure 1, remove 4 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.
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.
Schematic Schematic Part No. Part No. Description Description Location Location C624 403 266 4902 CERAMIC 1200P K C285 403 224 6108 CERAMIC 0.01U K 403 262 2308 CERAMIC 1200P K C401 403 042 2405 ELECT 100U M C625 403 266 4902 CERAMIC 1200P K C402...
COMPONENT AND TESTPOINT LOCATIONS MAIN BOARD PARTS SIDE CH-DN VOL-UP VOL-DN CH-UP MENU POWER A1901 SW1901 SW1902 SW1903 SW1904 SW1905 SW1906 EEPROM CONTROL IC802 4A 125V TP814 4A 125V SCREEN ???? K7U1 RL601 C742 K701A X801 LF601 PS601 LF601A IC801 C609 K7Y1 R601H3...
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 PIC TUBE SOCKET BOARD COMPONENTS MAIN BOARD COMPONENTS AND TEST POINTS GRID LOCATIONS...
COMPONENT AND TESTPOINT LOCATIONS (Cont.) MAIN BOARD FOIL SIDE SW1906 SW1905 SW1904 SW1903 SW1902 SW1901 A1901 IC802 R1907 R1904 R1903 R1908 R1905 R1906 R1002 R863 R852 K1001 C862 TP814 B10B0790B R728 FOR CONTINUED PROTECTION Q831 R724 CAUTION R892 C821 AGAINST C742 RISK FIRE,...
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) March / 2002 / 2000 SMC Printed in U.S.A. — 24 —...
MODEL DS19310 Chassis No. 19310-04 WAVEFORMS SCHEMATIC DIAGRAMS CAUTION FOR CONTINUED PROTECTION AGAINST Note: Voltages were measured with offset color-bar signal and controls set for normal picture. A RISK OF FIRE, REPLACE ONLY WITH THE SAME TYPE 4A, 125V FUSE. BLOCK DIAGRAM ATTENTION: POUR MAINTENIR LA PROTECTION NOTES ON SCHEMATIC DIAGRAMS...