Pioneer SC-LX90 Service Manual page 381

Audio/video multi-channel amplifier
Table of Contents
5
SIDE B
AC
IR 232C ASSY
CN6409
R6254
R6253
R6252
R6202
C6212
7.GNDRY
6.V+12RY
5.V+5_6ST
4.RMC
3.GNDU
2.V+5_6U
1.GLCD
1.GNDST
2.FAN DET
3.FAN H/L
4.FAN ON/OFF
5.AC RY
6.STBYOFF
7.GNDST
8.GNDST
9.V+5.6ST
1
13
CN6401
160
150
140
130
5
6
R6392
R6338
R6313
R6312
R6337
R6319
R6330
IR & 232C ASSY
LF
L6201
20
1
20
CN6402
120
110
100
90
6
7
NN
AWX8746
AWX
1
20
CN6403
CN6404
80
70
60
50
SC-09TX
7
8
SIDE B
1.(CD)
6.(DSR)
2.RXD(TD)
7.BUSY(CTS)
3.TXD(RD)
8.(NC)
4.(DTR)
9.(NC)
5.GND
R6006
1
(ANP7588-C)
40
30
20
10
X Y
AC
8
A
140
B
130
120
110
100
C
90
80
70
60
50
D
40
30
20
10
E
0
F
235
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