
SERVICE MANUAL
CTM689
68 cm CTV
Effective: AUGUST,1997 CTM689SERV

TECHNICAL BULLETIN 28th April 1999
Page 1 of 1
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.
• ( White ) connects to pin 36 of microprocessor.
÷ ( Orange ) connects to pin 26 of microprocessor.
Affix the board to the top of the microprocessor using some double-sided tape.
Fabian Lubanovic
TEAC Australia Pty Ltd.