- 52 -
TROUBLE SHOOTING GUIDE
CENTER SPEAKER NO SOUND.
Is there waveform at
pin 3 of J5501?
YES
Is there voltage at
pin 7,8,13,15 of IC5503?
Check of DIODE.
D5502 ~ D5509
NO
NO
Check Q5512.
NO
Check DVD/VR SET.
YES
Is there voltage at
pin 9,10 of IC5503?
YES
Check of IC5503.
SUB WOOFER SPEAKER
NO SOUND.
Is there waveform at
pin 2 of J5501?
NO
Check DVD/VR SET.
YES
Is there voltage at
pin 7,8,13,15 of IC5504?
Check of DIODE.
D5501
NO
YES
Is there voltage at
pin 9,10 of IC5504?
YES
Check of IC5504.
NO
Check Q5513.