Sony BDP-S560 Service Manual ▷ View online
9-7
BDP-S560
IFcon section flowchart (2/2)
Check of IFcon reset in
p
ut
p
or
t
Is the voltage of IC1403 pin 6 "H" (3.3 V)?
No
Is there a problem with the mounting
condition of R1414, C1410, or R1408?
Yes
Yes
Pcont out
p
ut
p
ort check
Check of each power supply control port
when the power is ON
∗
Corresponding output
IC1403 pin 20 Pcont3
IC1403 pin 21 Pcont2
IC1403 pin 28 Pcont1
IC1403 pin 31 Pcont4
IC1403 pin 32 ATAPCONT2
IC1403 pin 33 ATAPCONT2
SW3.3V output
1.05 V system output
DCSW3.3V output
1.8 V system output
DR_SW12V output
POWER (3.3 V and 1.5 V) output
No
Check for shorts at each port
No
All the ports go "H" within 2 to 10 ms, but
soon go "L".
No
Yes
Yes
Yes
Do the symptoms improve after checking the
soldering and pattern of IC1403?
No
Power su
pp
ly
out
p
ut check
SW3.3V Short circuit o
p
eration chec
k
Check the output of the corresponding
voltage.
No
When IC1403 pin 20 Pcont3 has gone "H", is
the SW3.3V voltage output?
Yes
No
To Power Supply (System) flowchart
Do the symptoms improve after checking the
mounting condition of R1439, R1442, and
IC1403 pin 52?
No
Replace IC1403 or replace the MB board.
To Drive flowchart
BU Adjustment Flow [yy] ~ After BU/MB
Replacement ~
Yes
Check SYS
_
RST si
g
nal out
p
ut
Is IC1403 pin 35 "H" (3.3 V)?
The mounting condition of R919 and R523
are OK.
No
Replace IC1403 and the MB board.
To Drive flowchart
BU Adjustment Flow [yy] ~ After BU/MB
Replacement ~
No
Yes
Check the communication with the host CPU
(SYSCON
_
REQ si
g
nal check
)
Do cyclical "H" and "L" communication
waveforms come to IC1403 pin 36?
No
Is there a problem with the mounting
condition of R1450, or 1462?
No
Do the symptoms improve after replacing
IC101?
No
Yes
Check the communication with the host CPU
(Serial communication si
g
nal check
)
Do cyclical "H" and "L" communication
waveforms come to IC1403 pins 25, 26, and
27?
No
Is there a problem with the mounting
condition of RB1403, R1430, R937, R936,
R939, or R938?
No
Replace IC1403 or replace the MB board.
To Drive flowchart
BU Adjustment Flow [yy] ~ After BU/MB
Replacement ~
Is the voltage at the "H" level (3.3 V)?
SW3.3V output
1.05 V system output
DCSW3.3V output
1.8 V system output
DR_SW12V output
POWER (3.3 V and 1.5 V) output
㪘
㪙
9-8
BDP-S560
FL/FR Board flowchart (1/3)
Power button on the main unit does not work
Ke
y
1 does not o
p
erate
Does symptom improve when
replacing the FL board?
No
To IFcon section flowchart
Is there voltage of about 3.3V at pin
13 of CN701 without pressing the
keys?
No
To IFcon section flowchart
Yes
Yes
The potential of pin 1 of CN331 does
not change from 3.3V to near 0V
when pressing the power button
No
Check pattern and S331 might be
broken.
Check the resistance of resistors of
Key1 line. Also check the surrounding
pattern.
Yes
Disconnected harness or replace FL
board.
Ke
y
o
p
erations cannot be made on
Ke
y
2 does not o
p
erate
Does symptom improve when
replacing the FR board?
No
To IFcon section flowchart
Is there voltage of about 3.3V at pin
14 of CN701 without pressing the
keys?
No
To IFcon section flowchart
Yes
Yes
Which row of keys do not operate?
Reference: Relationship of Buttons and Voltages
Check the resistance of resistors of
Key2 line. Also check the surrounding
pattern.
STOP buttons
-> To
Key1 does not operate
OPEN/CLOSE button
-> To
Key2 does not operate
PLAY button
-> To
Key3 does not operate
Ke
y
3 does not o
p
erate
Is there voltage of about 3.3V at pin
15 of CN701 without pressing the
keys?
No
To IFcon section flowchart
Yes
Check the resistance of resistors of
Key3 line. Also check the surrounding
pattern.
9-9
BDP-S560
FL/FR Board flowchart (2/3)
FLD does not light
LED does not light
Is there voltage of about 5.8V at
PS701?
No
To "FLD Switch Surrounding Check "
Is there voltage of about 5.8V at
PS701?
No
To "LED Switch Surrounding Check"
Yes
Yes
Is there voltage of about -22V at
JL701?
No
Check the circuits surrounding the
FLD DD CONVERTER.
If NG, then replace the FR board.
Is there voltage of about 5.8V at
Emitter Q709 ?
No
Check the "LED Switch Surround
check"
If NG, then replace the FR board.
Yes
Yes
Is there voltage of 3.3V at Pin 43 of
IC702 ?
No
Check the 3.3V line of the FR board.
Is there voltage of 3.3V at Pin 43 of
IC702 ?
No
Check the 3.3V line of the FR board.
Yes
Yes
Is pin 5 of IC702 oscillating?
No
Replace IC702. If no effect, replace
the FR board.
Is pin 1 and pin2 of IC702 about
3.3V?
No
Replace IC702.
If no effect, replace the FR board.
Yes
Yes
Is there input of pulse to pins 7, 8 and
9 of IC702?
No
Replace FFC between FR and MB.
If no effect, then goto "IFD flow"
Replace Q711 and Q710, if no effect
then replace FR board
Yes
Check connection of FLD and IC702.
Replace IC702 if OK.
If no effect, replace the FL board.
FLD Switch Surroundin
g
Check
Is the potential of pin 3 of Q704 5.8V?
No
Check the 5.8V line of the FR board.
Yes
Is the potential of the base of Q704
around 5V?
Yes
Is the collector voltage of Q703 about
0V?
No
Is the voltage of the base of Q703 at
3.3V?
No
Is pin 7 of CN701 at 3.3V?
No
Replace FFC, and Check pattaern
near IC1403 of MB board. Replace
IC1403 or MB board if NG.
To Drive flowchart
BU Adjustment Flow [yy] ~ After
BU/MB Replacement ~
No
Yes
Yes
Yes
Replace Q704
Replace Q704
Replace Q703
Replace the FR board
9-10
BDP-S560
FL/FR Board flowchart (3/3)
LED Switch Surroundin
g
Check
Is the potential of pin 3 of Q709 5.8V?
No
Check the 5.8V line of the FR board.
Yes
Is the potential of the base of Q709
around 5V?
Yes
Is the collector voltage of Q708 about
0V?
No
Is the voltage of the base of Q708 at
3.3V?
No
Is pin 6 of CN701 at 3.3V?
No
Replace FFC, and Check pattaern
near IC1403 of MB board. Replace
IC1403 or MB board if NG.
To Drive flowchart
BU Adjustment Flow [yy] ~ After
BU/MB Replacement ~
No
Yes
Yes
Yes
Replace Q709
Replace Q709
Replace Q708
Replace the FR board
Remote control does not operate
Symptom improve when replacing FR
board?
No
Are there signals to pin 17 of MB
board CN1404?
No
Replace FFC
Yes
Yes
Are there signals to IC1403 pin 24?
No
Check MB pattern near IC1403
Yes
To IFcon section flowchart
Is there output of about 3.3V for
potential of CN701 pin 17?
No
Replace IC701 and check FR board
pattern
Yes
Disconnected flexible harness
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