2-85
ELECTRICAL TROUBLESHOOTING GUIDE
Portable function.
Tuner function.
BD/CD/DVD disc or USB play.
6B
6A
6A
CN251 pin4, 6 audio L/R OK?
TUN01 pin1, 2, 3, 4 signal OK?
IC200 pin43, 42, 41 signal OK?
TUN01 pin7, 8 audio L/R OK?
IC200 pin43, 42, 41 signal OK?
Check CN251 and JACK PCB.
Check IC101 or replace.
Check IC200 or replace.
Check TUN01 or replace.
Check IC200 or replace.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES