Sony KDL-40Z5600 / KDL-46Z5600 / KDL-52Z5600 Service Manual ▷ View online
KDL-40/46/52Z5600 (K) 2-1
SECTION 2
TROUBLESHOOTING
2-1.
TRIAGE CHART
Reference
2 Blimks
5 Blimks
6 Blimks
7 Blimks
8 Blimks
10 Blimks
12 Blimks
13 Blimks
14 Blimks
No power
BU Board
SWITCH Unit
G6N Board (40")
POWER Unit (G7N) (52")
D1N-40/D2N-40 Board (40")
D1N-46/D2N-46 Board (46")
D3N/D4N Board (52")
T-CON Board
Speaker Unit
PANEL Module
LVDS Cable
Joint Connector
Problem
SWITCH Unit
G6N Board (40")
POWER Unit (G7N) (52")
D1N-40/D2N-40 Board (40")
D1N-46/D2N-46 Board (46")
D3N/D4N Board (52")
T-CON Board
Speaker Unit
PANEL Module
LVDS Cable
Joint Connector
Problem
Low B+
Backlight
Temp
Audio
Digital
HFR
Balance
T-con
Symptom (dead set)
Low B+
Video distored or missing
Reference
No Vodeo
Backlight OK
OSD OK
Backlight OK
OSD OK
No Picture
Tuner NG
Video OK
Tuner NG
Video OK
No Picture
Tuner OK
Video 1-3 NG
Tuner OK
Video 1-3 NG
No Picture
HDMI NG
HDMI NG
No Audio
BU Board
SWITCH Unit
G6N Board (40")
POWER Unit (G7N) (52")
D1N-40/D2N-40 Board (40")
D1N-46/D2N-46 Board (46")
D3N/D4N Board (52")
T-CON Board
Speaker Unit
PANEL Module
LVDS Cable
Joint Connector
SWITCH Unit
G6N Board (40")
POWER Unit (G7N) (52")
D1N-40/D2N-40 Board (40")
D1N-46/D2N-46 Board (46")
D3N/D4N Board (52")
T-CON Board
Speaker Unit
PANEL Module
LVDS Cable
Joint Connector
No Vodeo
Backlight NG
Backlight NG
No Vodeo
Backlight OK
OSD NG
Backlight OK
OSD NG
: Doubtful part
: Few possibility
: Few possibility
KDL-40/46/52Z5600 (K) 2-2
2-2. FLOW CHART
YES
YES
NO
START
Does the power led
stay on when the TV is
switched on ?
Is the picture and
sound OK ?
END
Is the standby led
blink ?
See
2-4. Standby Led Blink
2-4. Standby Led Blink
See
2-3. No Power
2-3. No Power
See
2-5. No Picture
2-6. No Sound
2-5. No Picture
2-6. No Sound
NO
YES
NO
KDL-40/46/52Z5600 (K) 2-3
2-3. NO POWER
No
AC Cable or AC Inlet
YES
No Power
BU Board
Check 88-132VAC
inlet on
POWER Board *
No
POWER Board **
Check 3.3V_DC
CN1303 3pin on
BU Board
No
SWITCH Unit
Does
Power Button
work ?
* : G6N Board (40")
POWER Unit (G7N) (46"/52")
POWER Unit (G7N) (46"/52")
KDL-40/46/52Z5600 (K) 2-4
2-4. STANDBY LED BLINK
1)
2 times Blinkings
2)
5 times Blinkings
OK
POWER Board *
2 times blinkings
BU Board
Replace
POWER Board *
* : G6N Board (40")
POWER Unit (G7N) (46"/52")
POWER Unit (G7N) (46"/52")
NO
5 times blinkings
BU Board
Replace
BU Board
OK
3)
6 times Blinkings
OK
D1N/D2N/D3N/D4N
Board *
6 times blinkings
LCD Panel
Replace
D1N/D2N/D3N/D4N
Board *
OK
BU Board
Replace
BU Board
NO
NO
*: D1N/D2N Board (40"/46")
D3N/D4N Board (52")
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