- 6 -
TROUBLE SHOOTING
Is there VIDEO signal
at pi n 17 0 of IC800.
NO PLAYBACK PICTURE OF COMPOSITE VIDEO OUT
NO PLAYBACK PICTURE OFS-VIDEO OUT
N
Y
Check composite signal line
(DAC_D line) and S8400 around.
Is there wave form from pin
9 to pin 23 of IC 800?
Check IC130 and peripheral
circui t.
Y
N
Se lect S-VIDEO side.
S8400 is S-VI DEO side?
N
Y
Check IC800 or
change IC800.
Is there VIDEO signal at
pin 169 and 170 of IC800?
S8400 is COMPONENT
VI DEO side?
Select COMPONENT side .
Y
N
N
Y
A
A
NO PLAYBACK PICURE OF COMPONENT
VIDEO(UK,XE:RGB) OUT
Is thereVIDEO signal at
pi n 170, 169 and 173 of
IC800?
Y
N
A
NO DI GI TA L AUDI O OUT ON PLAYBA CK
Is there waveform at
pi n 4 of IC859?
Is the volt age at pi n 5
of IC859 about 3. 3V?
Y
Check CN 871(Optical modul)
and peripheral circui t.
N
N
Check IC851 and peripheral
circ ui t.
Y
Check SPDIF CD signal line of
IC130 and periph er al
circui t.
Is there waveform at
pi n 3 and 16 of IC 809?
Check SPDIF SEL (IC800 pin177 )
signal line
Y
N
Is there waveform at
pin 1 and 16 of IC 809?
Pi n 6 of IC859
is LOW?
B
C
Y
Pi n 6 of IC859
is HIGH?
B
C
NO ANALOG AUDIO OUT ON PLAYBACK
Is there AUDIO signal at
pi n 8 and 11 of IC871?
Is there waveform at pi n
1, 2 and 3 of IC871?
Y
Check IC872,Q8720, Q8820 and
peripheral
circ uit.
N
N
Ch eck IC800 and peripher al
circ uit.
Y
Check IC871 or
change IC871.
Is th er e wavefo rm at pi n
20,1 9, 18 and 4
of IC871?
Check IC800, IC820 and periph er al
circui t.
N
Y
N
Change IC859.
B
C
Y
Y
N
N
(UK,XE:RGB)
(UK,XE:RGB)
Check DAC_A, DAC_D signal line
and S8400 around.
Check DAC_A, DAC_B, DAC_C
signal line and S8400 around.
D
When DVD
When CD
Check IC800 pin181 and peripheral
circuit.
D
All manuals and user guides at all-guides.com
