DOWNLOAD Sony KDL-40X4000 / KDL-46X4000 / KDL-52X4000 Service Manual ↓ Size: 4.07 MB | Pages: 54 in PDF or view online for FREE

Model
KDL-40X4000 KDL-46X4000 KDL-52X4000
Pages
54
Size
4.07 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40x4000-kdl-46x4000-kdl-52x4000.pdf
Date
PREV: Sony KLV-32G480A Service Manual

Sony KDL-40X4000 / KDL-46X4000 / KDL-52X4000 Service Manual ▷ View online

KDL-40/46/52X4000 (K)     2-1
SECTION 2
TROUBLESHOOTING
2-1. TRIAGE CHART
Reference
Symptoms - (dead set)
Video - distorted or missing
2
3
5
6
7
8
10
13
14
No
No Video No Video No Video
No Tuner
No
No
Blinks Blinks Blinks Blinks Blinks Blinks Blinks Blinks Blinks Power
BL OK
No BL
BL OK
Video OK
HDMI
Audio
OSD OK
  No OSD
BUK Board
G6 (40") Board
G6 (46") Board
D3 (40") Board
D3 (46") Board
D4 (52") Board
D5 (52") Board
G5 (52") Board
Panel Module
Flowchart Reference
C
C
C
C
C
C
C
C
C
B
E
E
E
E
E
D
Problem
DC_
DC_
DC_
T-CON_
DET
ALERT1 ALERT3
BACKLIGHT
TEMP
AUDIO
DFE
BALANCER
RDY
: Doubtful part
: just a few possibility
KDL-40/46/52X4000 (K)     2-2
2-2. FLOW CHART
Troubleshooting
YES
Set Power
NO
See
2-3. No Power (Chart_B) 
See
2-5. Audio Problem (Chart_D)
See
2-6. Video problem (Chart_E)
Audio
Video
Red blinks
LED
Green
See
2-4. Self Diagnosis
    
(Chart_C)
KDL-40/46/52X4000 (K)     2-3
No
198-242V AC
Inlet on Power Board 
1)
Yes
3.3V DC
(CN1411 3Pin on
BUK 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?
BUK board
Switch Unit
1) 40", 46": G6 BOARD
 
52":
G5 BOARD
2-3. No Power (Flow Chart_B)
KDL-40/46/52X4000 (K)     2-4
Panel Balancer Trouble
BALANCER
13 times
Digital FE Module Trouble
FE
10 times
Monitor an Increase of an Inside-Temperature
TEMPERATURE
7 times
Audio Trouble
AUDIO
8 times
Backlight Trouble
BACKLIGHT
6 times
D3.3V or THH3.3V Trouble
DC_ALERT1
3 times
Main Supply Voltage Trouble
DC_DET
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.
T-CON Trouble
TCON-RDY
14 times
DC_ALERT3
5 times
Panel12V Trouble
2-4. Self Diagnosis
Page of 54
Display

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