Troubleshooting - Sony HT-S200F Service Manual

HT-S200F/SF200/SF201
1. Protection mode is occurs after turning the power on.
When protection mode is occurs, all LEDs are fl ash for 10 seconds and turn the power off .
Note: Please remove the USB device before troubleshooting.
Protection mode is occurs after
turning the power on.
Yes
Protection mode is not occurs,
when removing the speaker
connection connector (CN1001) on
the MAIN board and turning the
power on.
Yes
Check and replace the speaker
(SP1, SP2).
2. The sound is not outputted
The sound is not outputted.
Yes
The signals are inputted to the
following pins.
MAIN board: IC1000
pin 11, 22, 23, 24, 27
Yes
The signals are outputted from the
following pins.
MAIN board: IC1000
pin 38, 39, 42, 43, 48, 49
Yes
The signals are outputted from the
following pins.
MAIN board: IC1001
pin 27, 28, 32
(front R-ch speaker)
pin 35, 39, 40
(front L-ch speaker)
Yes
The signals are outputted from the
following pins.
MAIN board: IC1002
pin 27, 28, 32
(subwoofer speaker)
Yes
The speakers' resistance are not
short-circuit or open.
28
SECTION 4

TROUBLESHOOTING

Protection mode is not occurs,
when removing the speaker
No
connection connector (CN1002) on
the MAIN board and turning the
power on.
Yes
Check and replace the subwoofer
(SP3).
No
Replace the MAIN board.
No
Replace the IC1000 on the MAIN board.
No
Replace the IC1001 on the MAIN board.
No
Replace the IC1002 on the MAIN board.
No
Replace the speakers (SP1, SP2, SP3)
Protection mode is occurs even after
No
replacing IC1001 and IC1002 on the
MAIN board.
Yes
Replace the MAIN board.
SYS SET