DV-600AV-S
26
1
2
3
4
1
2
3
4
C
D
F
A
B
E
THE OUTPUT OF 21PIN DOESN'T
CHANGE (COMPOSITE-RGB)
When 21 pin output is RGB,
Is there voltage at pin 16 of
21pin about 4.5V
(No load)?
Check 21pin cable and
connection.
Yes
Yes
No
No
Check IC4002 and
peripheral circuit.
Is the
voltage at pin 188 of IC4002
about 3.3Vp-p ?
Check Q8104, Q8105 and
peripheral circuit.
NO 5.1CH AUDIO ON
PLAYBACK
Is there
AUDIO signal at pins 7 and 8
of IC8003, IC8004
and IC8005 ?
Yes
Is there
waveform at pins 1,2
and 3 0f IC8003, IC8004
and IC8005 ?
Yes
Check J8001, J8002 and
peripheral circuit.
No
No
No
Check AT +5V.
Change IC4002.
Is there
voltage at pin 6 of IC8003, IC8004
and IC8005 about 5V ?
YES
Change IC8003, IC8004
and IC8005.
Содержание DV-600AV-K
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