Sony KDL-22EX425 Service Manual page 44

SECTION 5 - FLOW CHARTS AND DIAGRAMS
3 X Blink
Check D+1.2V at
JL6007
on the B* Board
OK
Check +3.3V_MAIN
at JL9234 on
the B* Board
OK
Check
Speaker Connector
OK
KDL-22EX425/32EX425/32EX525/40EX525/46EX525
DC_ALERT
NG
F6001,IC6005,etc
(B* Board)
NG
F6003,IC6003,etc
(B* Board)
AUDIO
NG
Speaker
FIGURE 5-4. 3 BLINK ERROR
Check AUDIO+12.5V
NG
at pin 8/9 of
CN6001 on
the B* Board
OK
NG
Check +12.5V
at F4601 on
the B* Board
OK
FE/BE Communication
IC4601,etc
(B* Board)
AUDIO
G* Board
F4601,IC4601,etc
(B* Board)
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