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SERVICE MANUAL
CTM689
68 cm CTV
Effective: AUGUST,1997 CTM689SERV
TECHNICAL BULLETIN 28th April 1999
MODEL: CT-M6829ST , CTM689ST
PROBLEM: Sound drops off in AV mode when playing Macrovision based tapes.
The problem only occurs when playing Macrovision protected material via AV input.
The modification will also improve flag-waving related problems.
April 99 production onwards is corrected.
Connect the modification pcb as per directions below. P/N CTM6829MVMOD
Best Regards,
Connection:
( Green ) connects to pin 37 of microprocessor.