Deck Circuit - Panasonic SC-AK320 Schematic Diagram

SCHEMATIC DIAGRAM - 10

DECK CIRCUIT

1 1
L
2 2
PLACKBACK
3 3
HEAD
4 4
5 5
R
CS1001
RECORD/PLAY
HEAD
1 1
2 2
L
3
3
4 4
R
5
5
ERASE
HEAD CS1002
5
11
R1001
1
12
C1002
50V2.2
C1003
1500P
0V
Q1001
<<22.9V>>
0V
<<0.2V>> 0V
<<0V>>
C1001
0.01
Q1001
KTC3199GRTA
SWITCHING
(BEAT PROOF)
Q1003
2SD2144STA
SWITCHING
(REC:ON)
IC951
ON2180RLC1
PHOTO INTERRUPTER
R952
820
R953
39K
MECHANISM CIRCUIT
(DECK 1)
: +B SIGNAL LINE
: -B SIGNAL LINE
R1105
C1012 C1015
0
1000P 1000P
R1100
0
3
R1101 R1103
0 0
IC1004
BA7755A
R/P SELECT
4
IC1004
H=OFF
R1102
VCC
1 2 3 4 5
R1010
R1026 R1005
1K 4.7K
C1006
50V1
L1001
14.2V
RLQB470JTD-D
<<13.9V>>
Q1005
3
C1007 6
4700P
5
2
1
4
L1002
C1011
7L1A62N
0.047
0V
<<0V>>
Q1003
C1010
0V
R1004
25V100
<<0.7V>>
0V
1.5K
<<0V>> D1004
UDZTE173R6B
R1003 C1008
D1003
10K
1SS355TE17 50V1
R1006
1K
1
MODE
S951
2
D1_CRO2
S953
3
TO
PL
DECK
4
GND
CIRCUIT
5
(CP1001) ON
PHOTO_T
SCHEMATIC
6
HALF
S952
DIAGRAM-11
7
STBY_5V
8
VREF_GND
9
PHOTO_S
CS951
PL
D951
MA165TA
: PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
C1038
220P
R1017
8.2K
R1015
47
C1032
0.018
C1019
1000P
R1009 C1020
18K 470P
24 23 22 21
A
-
+
PB AMP (L)
IC1001
PB AMP (R)
B +
-
1 2 3 4
0
C1023
1000P
C1021
470P
18K
C1033
0.018
C1022
R1016
C1027
1000P
47
1000P
R1014
2SD2144STA
C1013
4.7K
1000P
0V
R1013
<<0.6V>>
0V
4.7K
<<0.4V>>
C1018
KTC3875GRTA
Q1004
0.01
BIAS OSC CONTROL
0V
R1012
<<0.6V>>
0V
4.7K
<<0.4V>>
C1014
R1007 C1016
1000P
4.7 2200P
C1017
2200P
0V
0V
<<0.7V>>
<<0.4V>>
Q1007
0V
R1011
<<0V>>
10K
IC971
ON2180RLC1
PHOTO INTERRUPTER
S976
S975
S974
S973
S972
S971
R973
39K
7 6
Z971
RGSD12A1445T
MECHANISM CIRCUIT
(DECK 2)
R1055
R1098
2.2K
10K
C1034
R1032
50V3.3
10K
R1038
4.7K
C1044
10V33
15V
<<14.8V>>
20 19 18 17 16 15 14 13
NOR/CRO &
R
P
P HI/LO
ALC LOGIC
R
R
LOGIC RIPPLE
LOGIC
P
REJECTION
A/B REC/PB
5 6 7 8 9 10 11 12
C1045
10V22
C1039
220P
R1035
10K
C1042 R1031
R1022 R1028
16V22 27K
10K 8.2K
IC1001
Q1004-Q1005
AN7348STA-E1
P.B EQ/REC AMP/
BIAS OSC
ALC/TPS AMP
(PLAY:ON)
Q1007 Q1008-Q1010
KTC3875GRTA
PHOTOCURRENT AMPLIFIER
0.6V Q1009
<<0V>>
0.6V
0.5V
<<0V>>
C1026
<<0V>>
0V
Q1008
6.3V47
<<0V>>
0.6V
0V
<<0V>>
<<0V>>
R1020
47 R1024
56K
R972
D971
820
MA165TA
PL
METAL
1
RECINH_F
2
RECINH_R
CRO2
3
TO
HALF
DECK
4
MODE CIRCUIT
5
(CP1002) ON
SCHEMATIC
6
DIAGRAM-10
7
8
9
5 4 3 2 1
CS971
R1095
100K
R1039
15K
R1090
C1046
220
16V220
R1086
2.2K
R1037
100K
0.1V
<<0V>>
0.7V
<<0V>>
Q1010
R1027
0.2V
100K
<<0V>>
R1036
47
1 2 3 4 5 6 7 8 9
CP1002
TO
MECHANISM
CIRCUIT (CS971) ON
SCHEMATIC DIAGRAM-10