Main(Control) Circuit - Panasonic SA-AK58 Service Manual

SCHEMATIC DIAGRAM-15
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
B

MAIN(CONTROL) CIRCUIT

JK305
L ch
AUX
R ch
CN304
M.GND
1
MO.GND
2
MO +B
3
C
To MECHANISM
D.GND
4
CONTROL CIRCUIT
+B(14V)
5
(H1100) on
Rch OUT
6
SCHEMATIC
Lch OUT
7
DIAGRAM-8
A.GND
8
Rch IN
9
Lch IN
10
B
DO
1
CL
2
DI
3
B
To MAIN(TUNER) CE
4
CIRCUIT( ) on SD
A 5
SCHEMATIC ST EYE
6
+B(3)
DIAGRAM-4 7
+B(4)
8
Rch IN
9
Lch IN
10
GND
11
CP305
+B(14V)
1
-B(-7.5V)
2
F
To DPL CIRCUIT +B(7.5V)
3
(CN802) on GND
4
SCHEMATIC DATA
5
CLK1
DIAGRAM-9 6
CLK4
7
NC
8
CP304
Lch OUT
1
Rch OUT
2
GND
3
F
To DPL CIRCUIT
Lch IN
4
(CN801) on
Rch IN
5
SCHEMATIC
C IN
6
DIAGRAM-9
S IN
7
GND
8
NC
9
CN309
1
R347
2
R346
3
R345
4
5
6
7
8
9
10
11
12
13
14
:CD SIGNAL LINE :FM SIGNAL LINE
:AM SIGNAL LINE
R401
10K
R201
10K
10V
14.5V
R213 39K
R413 39K
R207
5.6K
R407 5.6K
R454
10K
R300 4.7K
R210
1K
R410 1K
14.5V
-7.5V
7.5V
A
B
C
R371
2.2K
D
E
R372
2.2K
F
G
C383 16V10
H
C384 16V10
I
12K
22K
220
R354 12K
R355 22K
D312
RL1N4003S-P
:CENTER SP. DRIVE SIGNAL LINE
:SURROUND SP. DRIVE SIGNAL LINE
I
To FL CIRCUIT(CP603) on SCHEMATIC DIAGRAM-13
A
1 2 3 4
CN303
B
R412
4.7K
R212
4.7K
E
F
G
C D
H
I
J
K
L
M
N
4.9V
Q350
2SB621ARSTA
PLUNGER DRIVE
0V 10V
10V
R349
10K
Q351
KRC102STA
PLUNGER DRIVE
10V
-28.4V
A
B
C
D
E
F
5.3V
:TAPE PLAYBACK SIGNAL LINE
:TAPE RECORDING SIGNAL LINE
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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