Philips DVDR3320V Series, Руководство по обслуживанию, Страница: 68 / 196

3-75
VDR ELECTRICAL TROUBLESHOOTING GUIDE
3-75
<when playing DISC,
no audio output> check
Check FFC Cable
and VCR part
Audio output even
When playing DISC
PN304-19~22 Check
audio signals
IC802 – 15, 18
Check audio signals
NO
NO
Check IC802 power
and other circuits
NO
Check AV_RST1 and
power, other circuits
NO
YES
YES
IC802-10 Check
High?
YES
Check IC802 power
And Other circuits
YES
<when playing DISC,
no audio output> check
Check Audio Cable
Audio output even
When playing DISC
PN5401 – 4~6 Check
audio signals
PN304-27~30 :
Check audio signals
NO
NO
Check PN302-5,6
and Front Jack Cable
NO
Check FFC Cable
and VCR part
NO
Check IC804 power
and other circuits
NO
YES
YES
PN304-19~22
Check audio signals
YES
IC804 – 10, 12
Check audio signals
YES
Check /RST-Audio and
power, other circuits IC804-9 Check
High?
Check IC804 power
And Other circuits
NO
YES YES
YES
IC802 – 15, 18
Check audio signals
Check IC802 power
and other circuits
NO
Check AV_RST1 and
power, other circuits
NO
YES
IC802-10 Check
High?
YES
Check IC802 power
And Other circuits
YES
Check IC804 power
and other circuits
NO
IC804 – 10, 12
Check audio signals
YES
Check /RST-Audio and
power, other circuits IC804-9 Check
High?
Check IC804 power
And Other circuits
NO
YES YES
YES
8. No External Input 1, 2 audio 9. No External Input 3 audio