Philips HTD3500 Service Manual page 29

MP3 Link does not work
MP3 Link does
not work
Go
HTS3538:Check signal at XP12:PIN11:MP3_L
PIN13:MP3_R
normal or not
Yes
Check Main
PIN4,PIN11 L/R signal input whether right
or not
Yes
Check voltage at U5 74HC4052
PIN16,VDD +6V, on Main Board
Whether normal or not
Yes
Check U5 74HC4052 whether broken
Or not
Yes
Replace U5 74HC4052
ON front board whether
Board U5 74HC4052
5-9
No
Refer to Main Board XP12
No
Check Main Board C169, C170, R103,
R105,
No
Check Main Board U1 power
supply and out circuit
No
Check Main Board U1
Trouble shooting Chart