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Manuals
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Pioneer Manuals
Amplifier
SC-LX90
Service manual
Ir 232C Assy - Pioneer SC-LX90 Service Manual
Audio/video multi-channel amplifier
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Contents
Table of Contents
Bookmarks
Table of Contents
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1
11.16 IR 232C ASSY
SIDE A
A
AC
IR 232C ASSY
B
140
130
6.(DSR)
7.BUSY(CTS)
8.(NC)
9.(NC)
120
110
R6002
R6003
C6007
100
R6007
R6008
C
90
R6113
R6121
80
70
60
50
D
40
30
20
10
AD
CN8511
E
0
10
20
30
Y
X
F
AC
234
1
2
1.(CD)
2.RXD(TD)
3.TXD(RD)
4.(DTR)
5.GND
CONTACT SIDE
CN6381
1
10
C6004
8
14
IC6052
1
7
D6002
Q6001
R6009
14
8
C6101
IC6051
Q6101
C6105
1
7
D6121
C6102
R6114
C6301
Q6102
C6106
R6122
R6115
C6103
R6123
Q6103
C6107
Q6104
C6104
D6153
Q6152
D6151
R6155
D6152
R6151
C6108
R6156
R6116
R6124
CN6404
20
1
1
CN6404
AD
CN8510
40
50
60
70
2
3
AE
CN251
IC6392
9.DBGP2
C6393
IC6391
C6391
R6332
NN
C6303
R6336
R6335
R6331
R6405
R6309
25
1
IC6301
R6314
C6302
R6315
R6303
R6316
NP
R6301
R6302
X6301
CN6406
1.EXL EN
2.EXL STB
CN6405
3.EXL DT
1.LED IRSNC
IC6053
4.EXL CLK
2.LED MCACC
5.LCD CL
3.LED ILINK
14
6.LCD DI
4.LED HDMI
7.LCD CS
5.LED PHASE
C6413
6.LED POWER
7.FJOGA
1
8.LCD SD
8.FJOGB
IC6411
9.LCD SI
9.VJOGA
[[ G ]]
5
4
10.VJOGB
11.KEYP
A30C5/C7
12.KEY3
13.KEY2
10.ALERT
14.KEY1
1 2
3
11.MICDET
C6412
12.HP DET
CN6403
20
1
CN6403
CN6402
AD
CN8509
80
90
100
110
SC-09TX
3
4
AH
CN5093
CN6409
AH
CN5092
8.DBGP1
CONTACT SIDE
6001
7.DBGP0
6.RESET
5.GNDU
8
4.NC
1
CN6409
3.NC
2.NC
1.NC
CONTACT
SIDE
Production Code
R6231
FLASH
R6205
R6201
X6201
Q6201
R6209
R6203
R6213
30
1
100
31
R6226
R6227
50
81
IC6201
80
51
C6207
C6203
8
R6215
R6218
7
7.GNDRY
6.V+12RY
5.V+5_6ST
C6201
4.RMC
3.GNDU
2.V+5_6U
1.GLCD
1.GNDST
D6401 D6402
2.FAN DET
3.FAN H/L
4.FAN ON/OFF
5.AC RY
6.STBYOFF
7.GNDST
8.GNDST
9.V+5.6ST
CN6401
CN6402
13
1
20
CN6401
AD
CN8508
(ANP7588-C)
120
130
140
150
4
SIDE A
R6401
R6403
160
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Chapters
Section 1
2
Section 2
60
Safety Information
149
Table of Contents
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