BDP-BX38, BDP-S280, BDP-S380, BDP-S383 - Sony DVD Service Manual (repair manual). Page 112

Read Sony BDP-BX38 / BDP-S280 / BDP-S380 / BDP-S383 Service Manual online

USB (Rear) Dev
ice Flow 
USB dev
ice is not
 reco
g
niz
ed
In
sert t
he USB dev
ice again
.
Is
 it
 recogn
iz
ed when t
h
e power
 is 
tu
rned OFF and t
hen ON
 again
?
No
Is
 5V presen
t at CN60
4
 pin1(
MB-
138
 board
)?
No
Is
 6V present at
 
IC603 pin8
(MB board)
No
Power suppl
y
 board
 def
ectiv
e
Poor cont
act
 of
 t
he USB
 dev
ice
Does replac
ing I
C
601(M
B
 board
improv
e t
h
e sy
mptoms?
No
Repla
c
e t
he MB
 board
      Y
e
s
IC
603(M
B
 board
) def
ectiv
e
9-14
BDP-BX38/S280/S380/S383
      Y
e
s
      Y
e
s
Repla
c
e t
he MB
 board
      Y
e
s
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