Sony KE-32TS2E / KE-32TS2U Service Manual ▷ View online
-34-
1
Y
X-SUS board is
defective.
Y-SUS board
CN33
1
―
2
pins or
CN33
5
―
7
pins are
shorted.
ABUSL board
CN52
1
―
4
pins or
CN52
5
―
7
pins
are shorted.
Y
Y
Remove SDM from the
following (2) connectors.
following (2) connectors.
∗
CN 34 and CN 35
Y-SUS board
CN33
1
―
2
pins or
CN33
5
―
7
pins
are shorted.
SDM is defective
(Panel chassis is
defective.)
Y
Y-SUS board is
defective.
N
ADM is defective
(Panel chassis is
defective.)
ABUSL board is
defective.
End of analysis
N
Y
Switching circuit (power
supply) has a short-circuit.
supply) has a short-circuit.
Switching circuit (power
supply) has short-circuit.
supply) has short-circuit.
SDM chip/Flexible shorted
ADM chip/Flexible shorted
Power supply circuit has a short-circuit.
* Refer to Chapter 5.3 for
SDM removal. procedure.
CN23
3 : Vcc
4 : GND
6 : GND
8 : Vs
3 : Vcc
4 : GND
6 : GND
8 : Vs
N
N
* Refer to Chapter 5.4 for
ADM removal. procedure.
ABUSL board
CN52
1
―
4
pins or
CN52
5
―
7
pins
are shorted.
CN33
1 : Vcc
2 : GND
5 : GND
7 : Vs
1 : Vcc
2 : GND
5 : GND
7 : Vs
CN52
1 : Va
4 : GND
5 : GND
7 : Vcc
1 : Va
4 : GND
5 : GND
7 : Vcc
X-SUS board
CN23
3
―
4
pins or
CN23
6
―
8
pins
are shorted.
Remove ADM from the following
(2) connectors.
(2) connectors.
∗
CN 53 CN 54
CN 55 CN 56
CN 55 CN 56
2
-35-
LOGIC board is
defective.
PSU board
Vcc (5V) exists?
N
Y
ABUSL board
CN42
1
―
4
pins or
CN42
5
―
7
pins
are shorted.
Y
Remove ADM from the following (4)
connectors.
connectors.
CN 43
CN 44
CN 45
CN 46
CN 44
CN 45
CN 46
ADM is defective
(Panel chassis is
defective.)
ABUSR board is
defective.
N
Y
Turn on AC power.
Turn on the Jig PDP go switch.
End of analysis
Turn off the AC power.
End of analysis
Control logic power system has short-circuit.
Power supply circuit has short-circuit.
ADM chip/Flexible shorted
* Refer to Chapter 5.4 for
ADM removal. procedure.
ABUSL board
CN42
1
―
4
pins or
CN42
5
―
7
pins
are shorted.
N
CN42
1 : Va
4 : GND
5 : GND
7 : Vcc
1 : Va
4 : GND
5 : GND
7 : Vcc
3
2
-36-
PSU board
Vcc (5V) exists ?
Y
Turn off the AC power.
Remove ADM 1 - 8
Turn off the AC power.
Connect CN 52(ABUSL).
Turn on AC power.
PSU board
Vcc (5V) exists ?
ABUSL board is
defective.
Turn off the AC power.
Connect CN 42(ABUSR).
Turn on AC power.
Y
PSU board
Vcc (5V) exists?
ABUSR board is
defective.
N
Turn off the AC power.
Connect CN 23(X-SUS).
Turn on AC power.
PSU board
Vcc (5V) exists ?
X-SUS board is
defective.
Turn off the AC power.
Connect CN 33(Y-SUS).
Turn on AC power.
Y
N
Y-SUS board is
defective.
Turn off the AC power.
End of analysis
N
Logic buffer circuit has abnormality.
Y
N
Logic buffer circuit has abnormality.
DC/DC power supply circuit or control logic
circuit has abnormality.
circuit has abnormality.
DC/DC power supply circuit or control logic circuit
has abnormality.
has abnormality.
3
4
-37-
Turn on AC power.
PSU board
Va (50V) exists ?
Y
N
Turn off the AC power.
ABUSR board
Disconnect connector CN42.
Turn on AC power.
PSU board
Va (50V) exists ?
ABUSR board
is defective.
Y
N
Turn off the AC power.
ABUSL board
Disconnect connector CN52.
Turn on AC power.
PSU board
Va (50V) exists ?
ABUSL board
is defective.
Y
N
End of analysis
Turn off the AC. power
ADM chip operation is abnormal.
Power supply system (capacitor, etc.,)
has abnormality.
has abnormality.
4
5
ADM is defective
(Panel chassis is
defective.)
Power supply system (capacitor, etc.,)
has abnormality.
has abnormality.
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