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Tuesday, November 6, 2018

SANYO CM21KF81N

SYSTEM = LA76931A DE
POWER = STR W6754
SMPS TRANSFORMER = L54B6680N
AUDIO = TDA 8944J
VERTICAL = LA78040
HOR OP = TT2140
EHT = BSC 21 2696S
HOR OSC = LB LZ87
REMOTE = CR C009
SERVICE MODE = VOL + (PANNEL ) + MENU ( REMOTE )

FAULT - When Stand By realise for a few second then stand by
goto protection mode
Solutions - LA 76931A chroma protection pin no is 23
here section feedback are connected
so disconnected all except a 5v to a resistor supply

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