Panasonic KX-FC971CX-S Service Manual page 211

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17 SCHEMATIC DIAGRAM
17.1. ANALOG BOARD
+5V
R501
(
)
NC
6
7
5
IC503
-1
NC
+5V
8
2
1
3
4
IC503
-2
NC
C509
J180p
R520
100K
6
7
5
IC500
-1
DA502
1K
1A2K
2A
Vrefop
+5VA
+24VA
+24V
Q506
+5VA
R578
R573
10K
2.2
JJ502
+5V
+5V
R504
(
)
(
NC
C
A
R502
(
)
NC
E
K
NC
(
C513
K820p
R528
22K
IC500
R523
C511
C564
R526
Vrefop
12K
K0.1u
K0.1u
2.7K
R574
NC
(
)
Vrefop
Q502
+5V
+5V
CN505
R507
R508
)
(
)
NC
NC
PC500
R510
(
)
C502
(
)
)
NC
Q500
Q501
NC
NC
+5VA
R531
C517
K0.1u
12K
-2
8
2
1
3
R530
C518
K0.1u
4
12K
L504
PAPER SENSOR SW
4
3
SW501
C565
K1000p
+24V
CN504
211
KX-FC971CX-S / KX-FGA521CX-S
+5V
+5V
C
A
PC501
NC
E
K
R512
D500
12K
Q508
Q507
R575
(
)
(
)
NC
R539
0
C530
C531
R538
R536
0
1.2K
C528
(
)
NC
C527
J120p
R540
R537
0
150K
C525
(
)
NC
C521
R534
C524
IC501
-1
6
7
D10p
K0.1u
15K
5
+12VA
C522
R535
L524
K0.1u
15K
JAM SENSOR SW
R544
1
4
1
2
3
2
100
SW502
C532
C566
K0.01u
K1000p
(1)
C
A
(
)
PC503
E
K
(2)
Q503
(3)
(4)
NC
NC
R541
2.2K
C529
(
)
NC
(5)
(6)
(7)
(8)
HOOK SW
1
2
3
4
5
6
(9)
(10)
(11)
(12)

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