25
BDP-120
5
6
7
8
5
6
7
8
A
B
C
D
E
F
The reproduced audio si
g
nal does not come from each audio output terminal.
Is the audio signal outputted from J2401?
YES
N
O
Check the pattern up to J2401.
Check the connected cable and its connection tightness.
Check also the input of connected T
V
set or amplifier.
Disconnect C
N
2301. Is there the audio signal at SC5601?
Does the mute circuit function?
Is the audio signal inputted to J2401?
Check the mute circuit and the AUDIO_MUTE signal lines.
Muting occurs when AUDIO_MUTE signal are at "H" level.
YES
N
O
Are there the following input audio signals at C
N
2301?
pin (16)
AUD_MAI
N
_L
pin (1
8
)
AUD_MAI
N
_R
MAIN FLOW CHART No.4
N
O
N
O
YES
YES
Check the pattern up to R2212 and R2213.
N
O
Check each terminal.
YES
FLOW CHART No.2
[3] OPE-L, -R and LCD PWB Unit
The remote controller does not function.
The main unit controls function, but the remote controller
controls fail to function.
YES
YES
Check the line between pin (1) of RMC1101 and pin (23) of IC2503.
Check the remote control codes 1, 2 and 3.
Using the remote controller, is the "L" pulse signal outputted
from pin (1) of RMC1101?
Is the "L" pulse signal inputted to pin (23) of IC2503?
Replace RMC1101 or the remote control receiver.
N
O
N
O
Is the remote control code as specified?
N
O
YES
voltage applied to pin (3) of the RMC1101 remote
Check the AT_5
V
line.
N
O
YES
Check IC2503. Replace it as required.
YES
FLOW CHART No.1
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TEL 13942296513 QQ 376315150 892498299
