Pioneer SC-LX90 Service Manual page 21

Audio/video multi-channel amplifier
Table of Contents

Advertisement

5
2.2 CONTRAST OF PCB ASSEMBLIES
A
F
A-AUDIO ASSY
AWX8745 and AWX9330 are constructed the same except for the following:
Mark
Symbol and Description
JA3001
CN3011
R9901, R9902
K
F
FRONT INPUT ASSY
AWX8774 and AWX9329 are constructed the same except for the following:
Mark
Symbol and Description
J5201
CN5203
C5235, C5236
O
F
MAIN DIGITAL ASSY
AWX8721 and AWX8722 are constructed the same except for the following:
Mark
Symbol and Description
IC107 Port Expander IC
IC119
IC301 XM/DT IC
IC302 Load Switching
IC303 Regulator IC
IC332
IC333
IC510
IC511
D301, D302
L301, L332, L333, L508, L513
L302
JA300 4p Socket
X301 Crystal Resonator (45.1584 MHz)
R150
R163
R187
R188
R189, R262, R264, R295, R297, R303, R304
R320-R322, R325, R326, R336, R337, R340
R341, R344, R346, R481, R535-R537, R569, R570
R190, R316, R327, R473-R477, R492, R597-R599
R240, R241, R292, R298, R300, R311, R312
R314, R315, R317, R319
R263, R338, R339, R342, R343, R345, R348
R349, R539, R541, R543
R293, R308, R323, R480, R490, R540, R542
R571, R572
R305, R306
R307
R309
R310
R313
R347
R538, R573-R576
C118, C135, C304-C306, C311, C314, C316
C334, C337, C530, C540
5
6
AWX8745
AKB7186
Not used
RS1/16S0R0J
AWX8774
ADX7617
Not used
Not used
AWX8721
BU4094BCFV
TC74VHC125FTS1
BU9450KV-TBB
AAT4618IGV-0.5-1
NJM2872BF33
TC74LCX157FTS1
TC74VHC126FTS1
TC74VHC08FTS1
TC74LCX157FTS1
UDZS5R6(B)
QTL1013
ATL7002
AKP7201
ASS7065
RS1/16S224J
RAB4C473J
Not used
RS1/16S473J
RS1/16S101J
RS1/16S101J
RS1/16S101J
Not used
RS1/16S104J
RS1/16S104J
RS1/16S470J
RS1/16S470J
RS1/16S0R0J
RS1/16S0R0J
RS1/16S102J
RS1/16S681J
RS1/16S105J
RAB4C470J
RAB4C101J
RS1/16S151J
RS1/16S220J
CKSRYB104K16
CKSRYB104K16
SC-LX90
6
7
AWX9330
VKB1133
B02B-XASK-1
Not used
AWX9329
Not used
KM200NA3L
CKSRYB104K25
AWX8722
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
RS1/16S473J
Not used
Not used
Not used
Not used
RS1/16S0R0J
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
7
8
A
Remarks
Remarks
B
Remarks
C
D
*1
*2
E
F
21
8

Advertisement

Table of Contents
loading

Table of Contents