Sanyo HVR-DX610 Service Manual page 25

TROUBLE SHOOTING
Are there Audio signal
at IC251 pin#2~11?
YES
Is FM OSC signal at IC251
pin#36?
YES
Is FM OSC signal at P401 pin#2?
YES
HEAD CLEANING.
Is there normal Audio signal at
IC251 pin#17, 18?
Pin #25 of P100 is Digital
signal SPDIF?
YES
Check JK101 and PCB pattern.
Check input SCART JACK.
NO
Check input front jack.
Check ICD02(DVD).
NO
Replace IC251
NO
Replace DRUM.
NO
Voltage at IC251 pin#34 is 12V?
Voltage at IC251 pin#40 and at
IC301 pin#18 is 5V?
YES
Is Playback Audio signal at
IC301 pin#11?
YES
Is there Playback Normal Audio
signal at IC251 pin #16,17?
YES
Check Output JACK.
NO
Check MPEG board.
24
NO
Check power circuit.
NO
Check A/C HEAD and IC301
NO
Replace IC251.