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COLOR TELEVISION
SERVICE MANUAL
CHASSIS: - VE01
MODEL NO: - 1450KT, 2050KT, 2150KT
1
CONTENTS
Safety Precautions------------------------------------------------------------------------ 3
Introduction----------------------------------------------------------------------------------- 3
1. SCART details------------------------------------------------------------------------------ 4
2. Micro-Controller and Small Signal function TDA9351.------------------------ 5-8
3. Tuner------------------------------------------------------------------------------------------ 9
4. Video Switch HEF4052BP------------------------------------------------------------ 10
5. Sound Processor - TDA9859--------------------------------------------------------- 10
6. Sound Output - AN17821-------------------------------------------------------------- 10
7. Vertical Output Stage STV9302A-------------------------------------------------- 10
8. Video Output Amplifier ------------------------------------------------------------------- 11
9. Power Supply------------------------------------------------------------------------------- 11
10. Memory IC AT24C16---------------------------------------------------------------- 11
11. IC Description with Pin Details----------------------------------------------------- 12
11A. TDA9351------------------------------------------------------------------------- 12-18
11B. HEF4052BP--------------------------------------------------------------------- 18-19
11C. STV9302A----------------------------------------------------------------------- 19-20
11D. IC AT24C16--------------------------------------------------------------------- 20-21
11E. TDA9859------------------------------------------------------------------------- 21-23
11F. AN17821-------------------------------------------------------------------------- 24
11G.STR5Q0765----------------------------------------------------------------------- 24-25
11H. Video Amplifier Transistors--------------------------------------------------- 25-26
12. Alignment Procedures------------------------------------------------------------------ 26
12.A. Procedure to enter Service Mode------------------------------------------ 26
12.B. Procedure to enter Design Mode------------------------------------------- 26
12.C. White Balance Adjustment--------------------------------------------------- 27
12.D. Screen Adjustment------------------------------------------------------------- 27
12.E. Design and Service data adjustment-------------------------------------- 27-31
12.F. Manufacturing and alignment procedures-------------------------------- 32-42
13. Block Diagram-------------------------------------------------------------------------- 43
14. Circuit Diagram------------------------------------------------------------------------- 44
15. Track Side Layout--------------------------------------------------------------------- 45
2
SAFETY PRECAUTIONS