Check if there is output at Pin1ǃ
No
No
Yes
Yes
No sound but have picture
Change Mainboard
Still having problems
Check if there is
sound input signal
No
Check the input source
Yes
Check if there is input at Pin1
ǃ
Pin9 of UD10
Check if there is signal at C710 and C745
No
check the signal input
circuit of C710, C745.
Yes
Change UD10
No
Check the
speakers
Service Manual
Model No.:
- 40 -
No
Yes
Check if there is +12V at Pin7 of UD10
Change LD3
Change
CD109,CD110.
Check if there is +5V at Pin3, Pin5 and Pin8 of U702
Change U702
Pin4 of J17.
and check if there is output at Pin4
ǃ
Pin6 of UD10
To Next Page
Loading...
Need help?
General
