SRS-RA5000
65
Sony CONFIDENTIAL
For Authorized Servicer
SECTION 4
TROUBLESHOOTING
1. Protection occurs after turning the power on.
When protection occurs, power indicator (red)
fl
ashes and turn the power off.
Power indicator (red) flashes 2 times.
Yes
No
Protection occurs after turning the
power on.
Yes
The voltage of the following is 0.3 V
to 1.3 V before turning the power off.
MAIN-AMP board: CL6007, CL6008
Yes
No
Check the surrounding circuit of the
thermistors (TH6001, TH6002) on the
MAIN-AMP board, and replace the
defective parts.
Replace the MAIN-AMP board.
Power indicator (red) flashes 3 times.
No
Yes
Protection does not occur, when
removing the speaker connection
connectors (CN6002, CN6003,
CN6007, CN6008) on the MAIN-AMP
board.
Yes
No
Replace the MAIN-AMP board.
No
Replace the MAIN-AMP board.
Check and replace the speaker (SP1,
SP2, SP3, SP4, SP5, SP6, SP7) or
check and repair the speaker
connection cable.
Power indicator (red) flashes 4 times.
Yes
Protection does not occur, when
removing the A-IN JACK board
connection connector (CN501) on the
MAIN-AMP board.
Yes
Check and replace the A-IN JACK
board or check and repair the
connection cable between A-IN JACK
board and MAIN-AMP board.
2. The sound is not outputted
Entering the “BUILT-IN DEMO”
(Touch and hold the [
u
] button for
more than 2 seconds), and then the
“BUILT-IN DEMO” sound is outputted.
(Touch the [
u
] button again to
release the “BUILT-IN DEMO”)
Check the signal path for being
inputted to the IC101 on the
MAIN-AMP board, and then replace
the defective part, or replace the
applicable board on which the
defective part is mounted.
Yes
Yes
The sound is not outputted.
No
Replace the MAIN-AMP board.
SYS SET
2021/01/20 22:17:49 (GMT+09:00)