Roadstar 1450-2050-2150KT, Amstrad TV14M3 free download

File name Roadstar.(Amstrad).Chassis.VE01.pdf

COLOR TELEVISION SERVICE MANUAL CHASSIS: - VE01 MODEL NO: - 1450KT, 2050KT, 2150KT 1 CONTENTS Safety Precautions-----------------------------------------------------------------------Introduction----------------------------------------------------------------------------------1. SCART details-----------------------------------------------------------------------------2. Micro-Controller and Small Signal function 4. Video Switch TDA9351.-----------------------3. Tuner-----------------------------------------------------------------------------------------HEF4052BP-----------------------------------------------------------5. Sound Processor - TDA9859--------------------------------------------------------6. Sound Output - AN17821-------------------------------------------------------------7. Vertical Output Stage STV9302A-------------------------------------------------8. Video Output Amplifier ------------------------------------------------------------------9. Power Supply------------------------------------------------------------------------------10. Memory IC AT24C16---------------------------------------------------------------3 3 4 5-8 9 10 10 10 10 11 11 11 12 12-18 18-19 19-20 20-21 21-23 24 24-25 25-26 26 26 26 27 27 27-31 32-42 43 44 45 11. IC Description with Pin Details----------------------------------------------------11A. TDA9351------------------------------------------------------------------------11B. HEF4052BP--------------------------------------------------------------------11C. STV9302A----------------------------------------------------------------------11D. IC AT24C16--------------------------------------------------------------------11E. TDA9859------------------------------------------------------------------------11F. AN17821-------------------------------------------------------------------------11G.STR5Q0765----------------------------------------------------------------------11H. Video Amplifier Transistors--------------------------------------------------12. Alignment Procedures-----------------------------------------------------------------12.A. Procedure to enter Service Mode-----------------------------------------12.B. Procedure to enter Design Mode------------------------------------------12.C. White Balance Adjustment--------------------------------------------------12.D. Screen Adjustment------------------------------------------------------------12.E. Design and Service data adjustment-------------------------------------12.F. Manufacturing and alignment procedures-------------------------------13. 14. 15. Block Diagram-------------------------------------------------------------------------Circuit Diagram------------------------------------------------------------------------Track Side Layout--------------------------------------------------------------------2 SAFETY PRECAUTIONS · · · · · · · · · · Do not change any module unless the set is switched off. The mains supply side of the SMPS transformer is