Service manual

3-4
NO 34VA.
Replace the F101.
(use the same Fuse)
Is the F101 normal?
Is the TH101
normal?
Is the BD101
normal?
NO
NO
NO
Replace the BD101.
Replace the TH101.
NO
NO
NO
Is the D108
normal?
Check or Replace
the D108.
Replace the D122.
Replace the IC103.
YES
YES
YES
YES
YES
YES
YES
Is Vcc(12~23V) sup-
plied to IC101 Pin3?
Is the D122
normal?
Is there about 2.5V
at the IC103?
Check the Woofer Main PCB
Power supply Line short or not?
(5) No 34VA
YES