Read Sony KLV-52X200A / KLV-52X250A Service Manual online
KLV-52X200A/
52X250A
(GA) 2-2
If power rail has no problem, replace B2 or FXE.
If power rail has no problem, replace B2 or FXE.
CN4000 11V, 7V power and harness to G2
CN4000 11V, 7V power and harness to G2
B2 board
B2 board
at this case. Check B2 and FXE
at this case. Check B2 and FXE
Micro (on B2 board) and EMMA (on FXE)
Micro (on B2 board) and EMMA (on FXE)
2. Set Reboots
2. Set Reboots
TV micro (on AG board) is monitoring WE
TV micro (on AG board) is monitoring WE
are alive or not like watch dog timer. When WEM or EMMA has not
are alive or not like watch dog timer. When WEM or EMMA has not
boot up,
boot up,
TVM try to re
TVM try to re
-
-
start. We can see chassis reboot
start. We can see chassis reboot
has correct power or not.
has correct power or not.
-
-
-
-
-
-
F4300, F4301, F4302, F4303, F4000 conduction.
F4300, F4301, F4302, F4303, F4000 conduction.
-
-
FXE board
FXE board
-
-
CN 7500
CN 7500
11V power.
11V power.
-
-
PS 7500 conduction.
PS 7500 conduction.
3. Self Diagnosis
3. Self Diagnosis
Communication Error (DTAU)
Communication Error (DTAU)
DIGCO
DIGCO
11
11
Power Error (DTAU)
Power Error (DTAU)
DIGBO
DIGBO
10
10
Audio Protector
Audio Protector
AUDIO
AUDIO
7
7
Panel Error
Panel Error
PANEL
PANEL
9
9
LowB Error
LowB Error
POWER_ER
POWER_ER
6
6
FAN Error
FAN Error
(Not Detected. Display Only)
(Not Detected. Display Only)
FAN
FAN
4
4
+B_OVP
+B_OVP
OVP
OVP
3
3
Panel Temp Error
Panel Temp Error
TEMP
TEMP
2
2
Contents
Contents
Display
Display
(Self Diagnosis mode )
(Self Diagnosis mode )
Red LED
Red LED
Blink
Blink
When self diagnosis happens, STBY (RED LED) blinks and
the history can be seen on display by self diagnosis mode.
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