7. Audio is not output from OPT OUT
Check input of digital audio waveform. (OPT OUT へ信号出力時 )
MAIN PCB
DIR[
U3007
]
[
R3158
]BCK, [
R3165
]LRCK, [
R3166
]DATA
Check the following areas to identify the area where the S/PDIF
signal is cut off.
Malfunctions in the OPT INPUT terminal
Power supply voltage of input buffer IC[
U3011
], input/output
There is a malfunction in the communication between the following areas or in PLD[U3013].
PLD[
U3013
] and MCU[
U3001
]。
Replace PLD [
U3013
] or the MAIN PCB.
Check the S/PDIF output signal.
MAIN PCB
DIR[
U3007
], [
R3232
] OPT OUT
There is a malfunction in the communication between the following areas or in DIR[
U3007
].
DIR[
U3007
] and MCU[
U3001
]
Replace DIR [
U3007
] or the MAIN PCB.
NG
OK
NG
OK
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
50
