Sony KDL-32CX525 / KDL-40CX525 / KDL-46CX525 Service Manual ▷ View online
KDL-32CX525/40CX525/46CX525 28
SECTION 5 - FLOW CHARTS AND DIAGRAMS
OVERVIEW
The following flow charts provide information to determine what repair parts to order based on the TV error.
DIAGNOSING THE ERROR
Use the Overall Flowchart to determine which flowchart to review to find a solution.
START
Does the Power Led
stay on when the
TV is switched on ?
Is the Standby Led
blinking?
Is the Picture and
Sound OK?
END
See
No Power
See
Standby LED Blinking
See
No Picture or No Sound
Is the network
connection OK?
See
Network Not Connecting
No
Yes
Yes
No
Yes
Do the buttons
on the TV & Remote
Commander work
properly?
See
TV/Remote Commander
Buttons Not Working
No
No
Yes
No
Yes
No
See
Skype Accessory
Not Working
No
Is the Skype
functioning OK?
Yes
FIGURE 5-1. OVERALL FLOWCHART
KDL-32CX525/40CX525/46CX525 29
SECTION 5 - FLOW CHARTS AND DIAGRAMS
NO POWER
No Power
Check STBY 3.3V
at 10 pin of CN6001
on the B* Board
Harness
G* Board
Replace Harness
Between G* Board and
B* Board
B* Board
NG
OK
NG
OK
FIGURE 5-2. NO POWER
KDL-32CX525/40CX525/46CX525 30
SECTION 5 - FLOW CHARTS AND DIAGRAMS
STANDBY LED BLINKING
2X Blink
Check REG12V at
pins 2/3 of
CN6001 on
the B* Board
B* Board
Harness
G* Board
Replace Harness
between G* Board and
B* Board
12V NG
12V OK
NG
OK
FIGURE 5-3. 2 BLINK ERROR
KDL-32CX525/40CX525/46CX525 31
SECTION 5 - FLOW CHARTS AND DIAGRAMS
3 X Blink
Check D+1.2V at
JL6007
on the B* Board
F6001,IC6005,etc
(B* Board)
Speaker
Check +3.3V_MAIN
at JL9234 on
the B* Board
Check
Speaker Connector
F6003,IC6003,etc
(B* Board)
Check AUDIO+12.5V
at pin 8/9 of
CN6001 on
the B* Board
G* Board
Check +12.5V
at F4601 on
the B* Board
F4601,IC4601,etc
(B* Board)
IC4601,etc
(B* Board)
DC_ALERT
NG
OK
AUDIO
AUDIO
FE/BE Communication
NG
OK
NG
OK
NG
OK
NG
OK
FIGURE 5-4. 3 BLINK ERROR
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