Sony KLV-40X300A / KLV-40X350A / KLV-46X300A / KLV-46X350A / KLV-52X300A / KLV-52X350A Service Manual ▷ View online
KLV-40/46/52X300A, 40/46/52X350A (GA/SA) 3-2
YES
No RED LED
Blinks
NO
5Vdc
CN001 #9
on AG Board
See
3-3-1. Flow Chart _C
3-3-1. Flow Chart _C
NO
GF1(GF2) board
(No STBY5V)
(No STBY5V)
YES
NO
80-240Vac
CN6000 on
GF1(GF2) board
YES
AC cable or AC inlet
No Power
(No relay clicks)
YES
Power key
doesn’t work
NO
HW1 board
AG board
3-1. No Power (Flow Chart_B)
(Standby Indicator)
KLV-40/46/52X300A, 40/46/52X350A (GA/SA) 3-3
TV micro (on AG board) is monitoring BE Micro (on FB2 board) are alive or not like
watch dog timer. When BEM has not boot up, TVM try to re-start. We can see chassis
reboot at this case. Check FB2 board has correct power or not.
watch dog timer. When BEM has not boot up, TVM try to re-start. We can see chassis
reboot at this case. Check FB2 board has correct power or not.
-
FB2 board
-
CN 5600 12V, 6.5V power and harness to GF1(GF2) Board.
-
F4100, F4102, F5200 conduction.
If power rail has no problem, replace FB2 board.
3-2. Set Reboots
KLV-40/46/52X300A, 40/46/52X350A (GA/SA) 3-4
Panel Balancer Error
BALANCER
13
FAN Error (Not Detected. Display Only)
FAN_ERR
9
Temperature Abnormal Detection
TEMP ERR
7
Audio Abnormal Detection
AUD PROT
8
Back Light Error (Panel Inverter)
BACKLITE
6
T-CON Error
T_CON
5
Power Error
POW ERR1
3
Main Power Over Voltage Protection
POW OVP
2
Contents
Display
(Self Diagnosis mode)
Red LED
Blink
When self diagnosis happens, STANDBY (RED) LED blinks and
the history can be seen on display by self diagnosis mode.
3-3. SELF DIAGNOSIS
KLV-40/46/52X300A, 40/46/52X350A (GA/SA) 3-5
NO
2 Times
YES
See
3-3-2. POWER OVP
(RED 2 times blink)
3-3-2. POWER OVP
(RED 2 times blink)
RED LED Blinks
NO
3 Times
YES
See
3-3-3. POWER ERROR
(RED 3 times blink)
3-3-3. POWER ERROR
(RED 3 times blink)
NO
5 Times
YES
See
3-3-4. T-CON ERROR
(RED 5 times blink)
3-3-4. T-CON ERROR
(RED 5 times blink)
NO
6 Times
YES
See
3-3-5. BACK LIGHT ERROR
(RED 6 times blink)
3-3-5. BACK LIGHT ERROR
(RED 6 times blink)
NO
7 Times
YES
See
3-3-6 TEMP ERR
(RED 7 times blink)
3-3-6 TEMP ERR
(RED 7 times blink)
NO
8 Times
YES
See
3-3-7 AUDIO ERROR
(RED 8 times blink)
3-3-7 AUDIO ERROR
(RED 8 times blink)
13 Times
YES
3-3-1. Flow Chart_C
(Standby Indicator)
See
3-3-9. BALANCER ERROR
(RED 13 times blink)
3-3-9. BALANCER ERROR
(RED 13 times blink)
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