Sony BDP-BX110 / BDP-BX310 / BDP-S1100 / BDP-S3100 Service Manual ▷ View online
BDP-S1100/BX110/S3100/BX310
6-5
6-4. Video/HDMI section fl owchart
Reproduced Video does not appear right
Power Check
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IC101 (#P217: +3.3V)
IC101 (#P226: +1.2V)
IC101 (#P217: +3.3V)
IC101 (#P226: +1.2V)
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Is Power Supply supplied at IC407?
IC407 (#4: +5V)
Is Power Supply supplied at IC407?
IC407 (#4: +5V)
Is PCONT#1 at IC407 (#1: +3.3V)?
IC407 is NG
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(Replace MB Board)
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or IC101 is NG (Replace MB Board)
HDMISD: IC101 (#P199) : +5V
Replace CN401
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Replace MB Board
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IC101 (#P225/224/223/222/
221/220/219/218)
221/220/219/218)
Change HDMI Cable or TV
Replace CN401
R411/412/413/414/415
/416/417/418 is NG
/416/417/418 is NG
Note: TMDS Signal output normal value varies from +2.6V~+3.2V
Only CN401 and MB board applies in Service part
Check the writing from IC101 for PCONT#1 or IC101 is NG
(Replace MB Board)
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
BDP-S1100/BX110/S3100/BX310
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
BDP-S1100/BX110/S3100/BX310
6-7
6-6. Remote does not operate
Check of +3.3V voltage at IC710 pin1?
No
(MB board)
No
To Power supply flow chart
Yes
No
Check FFC disconnected from
CN701 or broken?
CN701 or broken?
Yes
Check of appearance waveform during
pressing remote control at IC710 pin2
pressing remote control at IC710 pin2
No
Yes
Check of +3.3V voltage at CN303 pin 1?
Check of +3.3V voltage at CN701 pin 1?
No
FFC
NG
FFC
NG
Check of appearance waveform during
pressing remote control at CN303
pin3 (MB board)
pressing remote control at CN303
pin3 (MB board)
Yes
Yes
No
Check of appearance waveform
during pressing remote control
at CN701 pin3
during pressing remote control
at CN701 pin3
No
Replace IC710
If symptoms do not improve,
If symptoms do not improve,
Check pattern along SIRCS line
If symptom do not improve,
If symptom do not improve,
Check FFC disconnected from
CN701 or broken?
CN701 or broken?
No
Yes
Yes
Yes
Check pattern around IC710
If symptom do not improve,
FR board
If symptom do not improve,
FR board
NG
FR board
NG
FR board
NG
FR board
NG
FR board
NG
CHECK IC101
(P192)
BDP-S1100/BX110/S3100/BX310
6-8
6-7. White LED fl owchart
White LED does not light
Yes
Check +3.3V voltage after R720
No
Yes
No
Check if FFC broken or disconnected from CN701
No
Yes
Reconnect FFC. If symptoms do not improve,
FFC
NG
R720
NG
Check +5V voltage at CN303 pin6?
Yes
Yes
FR Board
NG
.
Is there a voltage of about +5V at emitter Q301
Check +5V voltage at CN701 pin6?
Check pattern around D720(LED),
If symptoms do not improve, FR board
NG
Check polarity of D720(LED)
Is it reverse polarity ?
No
D720 (LED)
NG
No
No
Check Power flowchart
Is there a voltage about
+3.3V at base Q301?
Yes
Yes
Transistor Q301
NG
No
Check IC101 P187
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