Deck Circuit - Panasonic SA-VK460GS Service Manual

SA-VK460GC / SA-VK460GS / SA-VK460GCS / SA-VK460GCT
18.5. (F) DECK CIRCUIT
1 2 3
SCHEMATIC DIAGRAM - 12
A
F

DECK CIRCUIT

B
CS1001
1
LCH
C L
2
PLAYBACK
HEAD
3
R
4
5
RCH
GND
RECORD/PLAY CS1002
HEAD
1
LCH
D
2
RCH 3
4
ERASE
5
HEAD
C1AA00000612
TP
5
TP
11 H=OFF
VCC
1 2
E
10.9V
G0C470JA0052
F
L1002
G2ZZ00000024
TP
12
R1004
G
1.5K
Q1003
B1AAGC000007
SWITCHING(RECH)
R1003
10K
D1003
B0ACCK000005
H
GND
1 2 3
4 5 6
: +B SIGNAL LINE : TAPE RECORD SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE
GND2
C1034
50V3.3
GND
GND
GND
R1100
R1101
0 0
3 10 4
TP TP TP
GND
C1032
0.018
GND2
24 23 22 21 20 19
A -
IC1001
+ ALC
PB AMP (L)
AN7348S-E1
P.B EQ/REC AMP/
IC1004 PB AMP (R)
+
ALC/TPS AMP LOGIC
A/B
B -
R/P SELECT
1 2 3 4 5 6
C1033 GND
3 4 5 0.018
C1035
50V3.3
R GND
GND
GND
GND
GND GND
L1001
Q1004-Q1005
C1014
B1AAGC000007
1000P
BIAS OSC CONTROL
R1012
4.7K
Q1004
Q1005
R1013
4.7K
C1013
1000P
Q1007
B1ABCF000176
R1102
10K
BIAS OSC CONTROL
GND
4 5 6
7 8
R1055
2.2K
R1091
0
GND2
R1092
0
R1084
2.2K
GND
GND2
GND
R1090
220
GND2
W1039
0
R1040
0
18 17 16 15 14 13
R
GND2
GND R1086
NOR/Cro &
P
2.2K
HI/LO LOGIC
R P
R P
LOGIC RIPPLE
REC/PB REJECTION
7 8 9 10 11 12
GND
R1035
10K
GND
R1002
0
GND GND3
7 8
90
9 10 11
TO
MAIN CIRCUIT
(CN2803) IN
SCHEMATIC
1 DIAGRAM - 6 11
CN1001
11 10 9 8 7 6 5 4 3 2 1
PBOUTL
R1085
47K
GND
R1049
0
GND
R1050
0
GND
R1060
390
MO_GND
Q1017
B1AARC000003
MOTOR DRIVE
9V
M1 1 2
1 2
SA-VK460GC/GCS/GCT/GS DECK CIRCUIT
9 10 11
12 13 14
A
B
C
D
E
F
G
H
12 13 14