Sony KDL-46V4800 / KDL-52V4800 Service Manual ▷ View online
KDL-46/52V4800 (CH) 2-1
SECTION 2
TROUBLESHOOTING
2-1. TRIAGE CHART
Reference
Symptoms - (dead set)
2
6
7
8
10
11
12
13
14
15
16
17
18
19
21
No Power
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
BGC COMPL
D5 COMPL (52")
D4 COMPL (52")
G5 COMPL (52")
IP5 COMPL (46")
IP5 COMPL (40")
Panel Module
Flowchart Reference
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
B
Problem
Power_
Back
I2C
I2C
I2C
D
DET
Light
TEMP
Audio
DFE
NVM
VCT
Balancer
HDMI
Tuner
CH1
CH0
Demod
USB
VCTP
Reference
Video - distorted or missing
No Video
No
No Video
No
BL OK
Video
BL OK
Tuner
No
No
OSD OK
No BL
No OSD Video OK
HDMI
Audio
BGC COMPL
D5 COMPL(52")
D4 COMPL(52")
G5 COMPL(52")
IP5 COMPL(46")
IP5 COMPL(40")
Panel Module
Flowchart Reference
E
E
E
E
E
D
Problem
: Doubtful part
: just a few possibility
: just a few possibility
KDL-46/52V4800 (CH) 2-2
2-2. FLOW CHART
Troubleshooting
YES
Set Power
NO
See
2-3. No Power (Chart_B)
2-3. No Power (Chart_B)
See
2-5. Audio Problem (Chart_D)
2-5. Audio Problem (Chart_D)
See
2-6. Video problem (Chart_E)
2-6. Video problem (Chart_E)
Audio
Video
Red blinks
LED
Green
See
2-4. Self Diagnosis
(Chart_C)
2-4. Self Diagnosis
(Chart_C)
KDL-46/52V4800 (CH) 2-3
No
207-253VAC
Inlet on Power Board
1)
Yes
3.3VDC
(CN6401 3Pin on
BGC board)
NO
Power Board
1)
(No STBY3.3V)
YES
NO
YES
AC cable or AC inlet
No Power
(No relay clicks)
Does Power
button work?
BGC board
2-3. No Power (Flow Chart_B)
Switch Unit
1) 46" : IP5 BOARD
52" : G5 BOARD
KDL-46/52V4800 (CH) 2-4
VCT I2C Bus Trouble.
I2C Error VCT
12 times
DEF (Digital Front End Module) Trouble.
Digital Error
10 times
Audio Trouble.
Audio Error (SP Protection)
8 times
HFR Error (for EMH and Cumin).
HFR Error
9 times
Monitor an Increase of an Inside-Temperature.
Internal Temperature Error
7 times
Backlight Trouble.
Panel Det Error
6 times
Main Supply Voltage Trouble.
DC_DET (12V Main Voltage)
2 times
Contents
Display
(Self Diagnosis mode)
Red LED
Blink
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.
2-4. Self Diagnosis
EEPROM Error (notread/write available).
NVM Error
11 times
No Acknowledge detected.
Digital Demod
18 times
I2C Ch1 Error in VERD.
I2C CH1 (VERD TAS)
16 times
HDCP cannot be setup correctly.
HDMI Error
14 times
If circuit or PLL circuit do not respond to IIC commands.
Tuner Error
15 times
13 times
I2C Ch0 Error in VERD.
I2C CH0 (VERD NVM/RTC)
17 times
Panel Balance Trouble.
Balance Error
MSP3410G IC does not respond to IIC commands.
MSP Error
22 times
CI Trouble.
CI Error
20 times
USB over current detected.
USB Error
19 times
No DPI-I2C
VCT Error
21 times
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