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Panasonic SA-DA15 Service Manual page 86

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SCHEMATIC DIAGRAM - 9
VOLUME CIRCUIT
C549
25V47
CN501
L_OUT
C550
10
25V47
R_OUT
9
SGND
8
C_OUT
7
TO
LS_OUT
PANEL
6
CIRCUIT
RS_OUT
(CP501) ON
5
SCHEMATIC
+14V
DIAGRAM-4
4
-14V
3
REV
2
FWD
1
PHONO EQ CIRCUIT
R453
390
R469
1K
C469
180P
R451
220K
L CH
PHONO
R CH
R452
220K
JK401
C470
R470
180P
1K
R454
390
: +B SIGNAL LINE
: -B SIGNAL LINE
C541
56P
R549
330K
0V
0V
0V
-16.82V
1
2
3
4
C547
GND
-
0.1
+
IC502
NJM4580EDTE1
+
C548
TONE AMP
-
0.1
VCC
7
8
6
5
14.24V
0V
0V
0V
R550
330K
C542
56P
IC501
BA6218
MOTOR DRIVER
RLQ391R0KT-Y
IC501
1
2
3
4
5
6
7
R503
2.2
R501
R502
10K
C503
10K
0.1
1
2
4
3
5
6
CN502
TO
KEY CIRCUIT
(CP502) ON
SCHEMATIC
DIAGRAM-8
R463
R461
12K
180K
R459
68
C461
C459
0.022
6800P
C451
50V4.7
C457
10V33
4
3
R455
C453
R457
GND
56K
10P
270
IC451
C454
R456
C458
10P
56K
10V33
5
6
R458
270
C456
C452
1000P
50V4.7
R460
C462
C460
68
6800P
0.022
R464
R462
180K
12K
: MAIN SIGNAL LINE
: FM/AM SIGNAL LINE
IC503-IC504
NJM4580EDTE1
VR501 MOTOR VOLUME
IC502
R555
180
R543
R545
180
1.2K
L501,L502
R483
47K
C485
8
9
16V33
L502
L501
C504
0.1
R541
1.2K
8
1
2
7
3
9
CP506
TO
TONE CIRCUIT
(W506) ON
SCHEMATIC
DIAGRAM-8
1 2 3 4 5 6 7
C463
50V4.7
C455
1000P
R449
56
2
1
C466
C489
R465
R450
0.01
25V10
56K
56
VCC
C465
C490
R466
7
8
0.01
25V10
56K
C464
IC451
50V4.7
AN6558F
PHONO EQ AMP
: DVD AUDIO/VIDEO SIGNAL LINE
TONE AMP
SL
SR
L
R
R556
180
V_PS
C
R544
M
180
R547
1.2K
R542
1.2K
C487
R485
C486
16V33
47K
16V33
8
7
6
2
1
5
4
3
CP451
TO
SURROUND
CIRCUIT (W451)
ON SCHEMATIC
DIAGRAM-2
TO TUNER PACK
(RAN0002EM)
CP101
8
9
10 11
C467
D402
0.01
D402
MTZJ7R5CTA
C543
56P
R551
330K
0V
0V
0V
2
3
4
1
GND
C551
-
0.1
+
IC503
+
-
C552
VCC
0.1
7
8
6
5
14.24V
0V
0V
0V
R552
330K
C544
56P
R484 47K
C545
56P
R553
330K
C555
0V
0V
0V
0.1
1
2
3
4
GND
-
+
IC504
+
-
VCC
7
8
6
5
CN103
TO
3
MAIN CIRCUIT
(W103) ON
2
SCHEMATIC
1
DIAGRAM-5
CN102B
TUN_CK
1
IF_IN
2
TUN_DT
3
TUN_CE
4
RDS
TO
5
MAIN CIRCUIT
SD
6
(W102) ON
+14V
7
SCHEMATIC
TU_L
DIAGRAM-5
8
TU_R
9
-14V
10
PH_R
11
PH_L
12
CN102A

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