TROUBLESHOOTING GUIDE
E-25
D-VR4SU/D-VR4SC
YES
YES
YES
YES
NO
NO
NO
NO
E-E AUDIO (STEREO)
DOES NOT APPEAR
Is the voltage at pin 5,
15, 32 and 46 of IC701
5V ?
Check POWER BLOCK.
Check POWER BLOCK.
Change IC701.
Is there Audio signal at pin
7, 9, 69 and 71 of IC701 ?
Is there Audio signal at
pin 8 and 80 of IC701?
Check circuit around of J8005.
Check J8002, J602 and J603.
Is the voltage at pin
3 and 54 of IC701 9V ?