Mother 2 Assy (2/2) - Pioneer SC-LX90 Service Manual

1

10.54 MOTHER 2 ASSY (2/2)

MOTHER2 ASSY
AD
2/2
A
12VTRIGGER 1
3
2
JA8501
1
RKN1004
12VTREGGER 2
3
2
JA8502
1
RKN1004
B
12VTRIGGER 3
3
2
JA8503
1
RKN1004
12VTREGGER 4
3
2
JA8504
1
RKN1004
C
GCC
GCC
RX SR +
D
GND
TX
SR
XKN3015
JA8505
SR IN
XKN3015
JA8506
SR OUT
E
F
AD
2/2
118
1
2
Q8504
2SB1189(QR)
Q8506
2SB1189(QR)
Q8505
Q8507
2SA1602A(EF)
2SA1602A(EF)
R8508 10k
R8511
10k
C
B
C
B
E
Q8513
Q8508
E
RT1N241M RT1N241M
(22k)
(22k)
Q8509
2SB1189(QR)
Q8511
2SB1189(QR)
Q8510
Q8512
2SA1602A(EF)
2SA1602A(EF)
R8514 10k
R8517
10k
C
B C
B
Q8514
E RT1N241M
Q8515
E
RT1N241M
(22k)
R8519
L8502
R8520
L8503
R8521
7
L8504
2
3
L8505
5
6
R8522
4
1
L8506
QTL1013
L8507
R8523
STBY
GSRIN
R8524
7
2
3
5
L8508
6
4 QTL1013
1
R8525
GNDSR STBY
GNDU(u-comGND)
Reference Point
KN8501
VNE1948
(CHASSIS)
GCC
2
3
V+12V
R8504
1.8 R8574 100k
1/4W
MUF R8571
2
8
-
8.2k 1
R8572
3
+
4
8.2k
IC8507 (1/2)
BA4560RF
TRGON1
TRGON2
AD
1/2
TRGON3
TRGON4
(22k)
STBY
D8510
QTL1013
STBY
D8509
QTL1013
STBY
QTL1013
QTL1013
STBY
QTL1013
STBY
GCC
(CHASSIS)
SC-09TX
3
4
IC8507 (2/2)
BA4560RF
R8577
6
8
-
10k
R8578
5
+
4
10k
SRTX
SRRX
RMC
AD
1/2
SRIN
SROUT
NOTES
1.RESISTORS
Unit: k-k , M-M or unless otherwise noted.
Rated power: 1/16W unless otherwise noted.
Tolerance: ±5%(J) unless otherwise noted.
2.CAPACITORS
No marked Capacitors are CEAT or CKSRYB.
Unit: p-pF or F unless otherwise noted.
Rated Voltage: shown as
"Capacity( F)/Voltage(V)",
or 50V unless otherwise noted.
3.DIODES
No marked Diodes are 1SS352.
Parts or parts block marked by "STBY" are standby.
4
R8579
7
12V
4.7k
IP
GND
iPO
MBA:CQMBA