Sanyo HV-DX3E Service Manual page 22

C. No Hi-Fi playback in record/playback mode (REC MODE)
Are there Audio signal
at IC251 pin#4~9?
YES
Is FM OSC signal at IC251
pin#36?
YES
Is FM OSC signal at P401 pin#2?
YES
HEAD CLEANING.
D. No NORMAL AUDIO playback (PLAY MODE)
Is there normal Audio signal at
IC251 pin#17, 18?
NO Check input LINE1 JACK.
Check input LINE2 JACK.
Check ICD03(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 #17,18?
YES
Check Output JACK.
21
NO
Check power circuit.
NO
Check A/C HEAD and IC301
NO
Replace IC251.