Mp3 Link Does Not Work - Philips HTB3510 Service Manual

MP3 Link does not work

MP3 Link does
not work
Go
Check signal
PIN14:MP3_L ON front board whether normal
or not
Yes
Check Main Board U18 74HC4052 PIN2,
PIN15 L/R signal input right or not
Yes
Check voltage at U18 PIN16 (6V), check
12V on Main Board whether normal or not
Yes
Check U18 74HC4052 whether broken
or not
Yes
Replace U18 74HC4052
at XP15 PIN16:MP3_R
5-9
No Refer to Main Board XP9
No
Check Main Board C361, C352, R352,
R458
No
Refer to Power Board CON501
No
Check Main Board power supply
circuit.
Trouble shooting Chart