Read Sony BDP-S2100 Service Manual online
BDP-S2100
6-6
6-5. FR-1001 Board fl owchart
Key1 does not operate
Is there voltage of about 3.3V at pin
7
of
CN701
without pressing the keys?
No
Yes
Check the potential voltage CN701
pin
pin
7
change from +3.3V to near 0V
when pressing the stop button.
Does symptom improve when replace
FR-1001
board?
Yes
Which row of keys do not operate?
STOP buttons ->
Key1 does not operate
Reference: Relationship of Buttons and Voltages
OPEN/CLOSE button ->
Key3 does not operate
PLAY button ->
Key2 does not operate
Input
2.90-3.30
0.00-0.40
KEY0
(S700)
(S701)
(S702)
(S703)
Key_OFF
POWER
KEY1
Key_OFF
STOP
KEY2
Key_OFF
OPEN/CLOSE
KEY3
Key_OFF
PLAY
Reconnect FFC, if symtoms
donot improve,
FFC
donot improve,
FFC
NG
Does FFC disconnected
CN701
or broken
from
Yes
No
Does FFC disconnected
CN701
or broken
from
Yes
No
Check IC101,
P190
P190
Pattern and S701 might be broken
Pattern and S702 might be broken
Yes
Is there voltage of about 3.3V at pin
5
of
CN701
without pressing the keys?
Yes
Check the potential voltage CN701
pin5 change from +3.3V to near 0V
when pressing the stop button.
pin5 change from +3.3V to near 0V
when pressing the stop button.
Does FFC disconnected
CN701
or broken
from
Yes
No
Pattern and S703 might be broken
Yes
Key2 does not operate
Is there voltage of about 3.3V at pin
8
of
CN701
without pressing the keys?
Check IC101 (P188)
Yes
Check the potential voltage CN701
pin8 change from +3.3V to near 0V
when pressing the stop button.
pin8 change from +3.3V to near 0V
when pressing the stop button.
FR-1001
board
NG
FR-1001
board
NG
FR-1001
board
NG
FR-1001
board
NG
Reconnect FFC, if symtoms
do not improve, replace
FFC
do not improve, replace
FFC
Does harness disconnected
CN701
or broken
from
Yes
No
No
Pattern and S700 might be broken
Yes
Key0 does not operate
No
No
No
No
No
CHECK IC101
button ->
Key0 does not operate
POWER
Is there voltage of about 3.3V at pin
4
of
CN701
without pressing the keys?
Yes
Check the potential voltage CN701
pin4 change from +3.3V to near 0V
when pressing the stop button.
pin4 change from +3.3V to near 0V
when pressing the stop button.
Reconnect FFC, if symtoms
do not improve,
FFC
do not improve,
FFC
NG
Reconnect FFC, if symtoms
do not improve,
FFC
do not improve,
FFC
NG
Reconnect FFC, if symtoms
do not improve,
FFC
do not improve,
FFC
NG
Does harness disconnected
CN701
or broken
from
Yes
No
Yes
Key3 does not operate
No
Check IC101,
P191
P191
No
Check IC101,
P189
P189
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