WIRING DIAGRAM
AVR-S540BT/X550BT/X250BT WIRING DIAGRAM
FRONT PCB
3P
BN131
3P
CN103
3P
H/P PCB
CN104
LED PCB
POWER
27P
BN12B1
MAIN PCB
SMPS PCB
DIGITAL PCB
27P
CN711
9P
CN712
6P
CN751
6P
BN
60
1
3P
BN505
7P
CN102
2P
CN602
2P
CN601
7P
CN503
AC CORD
F
R
O
N
T
<
->
D
IG
IT
A
L
H
/P
-F
R
O
N
T
H
/P
<
-
M
A
IN
SMPS<-DIGITAL
SMPS<-AC IN
13P
CN772
13P
BN501
M
A
IN
->
D
IG
IT
A
L
M
A
IN
->
D
IG
IT
A
L
9P
BN502
USB & BT PCB
BN914
REGULATOR PCB
BN
30
1
5P
CN
30
2
T
R
A
N
S
->
S
M
P
S
REGUL.<- DIGITAL
TRANS
TRANS -> FRONT
POWER LED<->FRONT
TRANS->MAIN
T
R
A
N
S
->
R
E
G
U
L.
9P
9P
USB & BT <-> DIGITAL
BN101
BN101_1
5P
CN771
5P
VIDEO & D_AUDIO PCB
9P
9P
11P
CN911
5P
BN912
CN741
USB
CN752
CN713
CN781
10P
BT MODULE
10P
5P
11P
FUNCTION
ENCODER
USB & BT <-> DIGITAL
MIC
5P
5P
BN12A
BN12B
MIC PCB
*AVR-S540BT/X550BT:MIC & USB & BT USED
* AVR-X250BT: ONLY BT USED
5P
BT PCB
BT MODULE
11P
BN912
BN911
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
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