Led Blinking; Bax-L Board (Xm-L) - Sony KJ-32W7 C Series Service Manual

Troubleshooting

3-2. LED BLINKING

3-2-1. LED Blinking: 2x (Main power Error)

BAX-L board (XM-L)

2-time blinking
Check 19.5V_HOLD
at pin 18 of CN9101
on B* Board
OK
Turn off power
IC9101 output
or input short to GND?
SL9104, C9114
OK
Turn on power
+5V_MAIN
(IC9101) OK?
SL9104
OK
B* Board
Check
NG
NG
Harness/connection
LD*Board to B*Board
OK
Harness
NG
NG
Remove IC9101.
Still short?
OK
IC9101 broken
NG
NG
MAIN_PWR high?
OK
IC9101 broken
Replace NG
LD* Board
OK
LD* Board
Other part in
+5.0V_MAIN line or
19.5V_SS line broken.
Refer AYU2L
Troubleshooting
AC Adapter
Note: Board Details refer Section 3
main page.
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