No Light; No Sound - Philips 32PHT4001/60 Service Manual

No light

Y
N
Test PU7 No .8foot
has voltage or not
Y
N
Test PQ8 is
normal or not
Y
N
Test PJ has
voltage or not
Y
Repair OK
Check Q1,Q11,Q10 is OK or
not ,if no,change it
Check PQ8 PU7 is
normal or not ,if
no,change it
，
Check PD12 is
normal or not ,if
no,change it

No sound

Test 15 16 27
28 has 12V or not
Test C319,C2225
has voltage input
or not
Test L1,L12,L14,L23 has
voltage output or not
upgrade
software
The end
60
If no,change
L210,L204
If no, change
U201
If no, change
U202