Funai / Sylvania 6427TD / SST4273 free download

File name 6427TD.pdf

SERVICE MANUAL 27" COLOR TELEVISION 6427TD/SST4273 IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended. It is important to note that this service manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Funai could not possibly know, evaluate and advice the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way. Consequently, Funai has not undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not recommended by Funai must first use all precautions thoroughly so that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected. TABLE OF CONTENTS Specifications ... Important Safety Precautions... Standard Notes for Servicing ... Disassembly Instructions ... Electrical Adjustment Instructions ... Block Diagram... Schematic Diagram / CBA's and Test Points ... Schematic Diagram ... 1-1 2-1 3-1 4-1 5-1 6-1 7-1 7-3 CBA Views and Test Points... 7-11 Wave Forms ... 8-1 Wiring Diagram... 9-1 IC Pin Function ... 10-1 Cabinet Exploded View ... 11-1 Packing Exploded View ... 11-3 Mechanical Parts List ... 12-1 Electrical Parts List ... 13-1 SPECIFICATIONS ANT. Input ------------------- 75ohm Unbal., F type Reference Level ----------- 20Vp-p (CRT Green Cathode) Test Input Signal ---------- 400Hz 30% modulation Condition Picture Sound VHF CATV UHF Unit MHz MHz dBµv dBµv dBµv MHz Nominal 45.75 41.25 15 15 15 ±2.0 Limit 30 30 40 ±0.7 Description 1. Intermediate Freq. 2. Peak Picture Sens 3. AFT Pull In Range (10mV input) Description 1. Deflection Freq. 2. Linearity 3. Over Scan 4. High Voltage Condition Horizontal Vertical Horizontal Vertical Unit KHz Hz % % % KV Nominal 15.734 60 10 29 Limit ±15 ±10 -