Sony KDL-70X3500 Service Manual ▷ View online
KDL-70X3500 (AEP) 3-3
No
RED LED
Blinks
Yes
5VDC
(CN001 9Pin on
AE board)
See Chart _C
NO
G1P2 board
(No STBY5V)
(No STBY5V)
YES
NO
200-240VAC
(CN6402 on G1P2
board)
YES
FP board, AC cable
or AC inlet
or AC inlet
No Power
(No relay clicks)
YES
Power key
doesn’t work
NO
H1 board
AE board
3-1. No Power (Flow Chart_B)
KDL-70X3500 (AEP) 3-4
3-2. Set Reboots
• TV micro (on AE 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 restart. We can see chassis
reboot at this case. Check FB2 board has correct power or not.
reboot at this case. Check FB2 board has correct power or not.
• FB2 board:
– CN5600 12V, 6.5V power and harness to G1P2 board.
– F4100, F4102, F5200 conduction.
– F4100, F4102, F5200 conduction.
• If power rail has no problem, replace FB2 board.
Panel Balancer Error (CCFL only)
BALANCER
13 times
DTAU Power
DTT_ERR
10 times
Fan Error
FAN_ERR
9 times
Temperature Abnormal Detection
TEMP_ERR
7 times
Audio Abnormal Detection
AUD_PROT
8 times
Backlight Error (EED Backlight Error)
BACKLITE
6 times
T-CON Error
T_CON
5 times
Power Error
POW ERR1
3 times
Main Power Over Voltage Protection
POW OVP
2 times
Contents
Display
(Self Diagnosis mode )
Red LED
flashing
When self diagnosis happens, STBY (Red) LED blinks and the history can be
seen on display by self diagnosis mode.
seen on display by self diagnosis mode.
3-3. Self Diagnosis
KDL-70X3500 (AEP) 3-5
NO
2 times
YES
See
3-3-2 Power OVP
3-3-2 Power OVP
RED LED Blinks
NO
3 times
YES
See
3-3-3 Power Error
3-3-3 Power Error
NO
5 times
YES
See
3-3-4 T-CON Error
3-3-4 T-CON Error
NO
6 times
YES
See
3-3-5 Backlight Error
3-3-5 Backlight Error
NO
7 times
YES
See
3-3-6 Temperature Error
3-3-6 Temperature Error
8 times
YES
See
3-3-7 Audio Error
3-3-7 Audio Error
NO
9 times
YES
See
3-3-8 Fan Error
3-3-8 Fan Error
3-3-1. Flow Chart_C
KDL-70X3500 (AEP) 3-6
3-3-2. POWER OVP (RED 2 times blink)
• This indicates OVP (Over Voltage Protection) of G1P2 board.
• 12V line on G1P2 board is over voltage.
• TV micro on AE board detects OVP ERR and shuts down chassis power to standby
status.
– TV micro 139Pin: Normal condition: Low / Error case: High
• Replace G1P2 board.
3-3-3. POWER ERR (RED 3 times blink)
• This indicates Power Error, LowB error of 12V from G1P2 board.
• TV micro on AE board detects POWER_ERR and shuts down chassis power to
standby status.
– TV micro 150Pin: Normal condition: High / Error case: Low
• Check 12V at CN002 1Pin, 2 on AE board, and F200 on AE board has 12V or not.
• Check G1P2 board.
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