Panasonic SA-AK66 Service Manual page 11

SCHEMATIC DIAGRAM - 9
DECK CIRCUIT
CS1001
1 1
L
2 2
P.B
3 3
HEAD
4 4
5 5
R
R/P
CS1002
HEAD
1 1
2 2
L
3
3
4 4
R
5 5
E HEAD
5
11
C1006
R1001
50V1
1
12
C1002
50V2.2
C1003 C1007
1500P 4700P
Q1001
0V
<<22.9V>>
0V
<<0.2V>>
0V
<<0V>>
C1001
0.01
Q1001
KTC3875GRTA
SWITCHING
(BEAT PROOF)
Q1003
2SD2144STA
SWITCHING
(REC:ON)
IC971
ON2180RLC1
PHOTO INTERRUPTER
S976
S975
S974
S973
S972
S971
R973
39K
7 6
Z971
RGSD12A1445T
MECHANISM CIRCUIT
(DECK 2)
: +B SIGNAL LINE
: -B SIGNAL LINE
C1015
C1012
1000P
1000P
3
-69.5dB
-69.5dB
4
IC1004
BA7755A
R/P SELECT
H=OFF
VCC
1 2 3 4 5
R1026 R1005
1K 4.7K
REC H
L1001
RLQB470JTD-D
14.2V
<<13.9V>>
6 3 Q1005
2 0V
5
<<0.4V>>
C1011
0.047
4 1
L1002
7L1A62N
0V
<<0V>>
Q1003
0V
R1004 C1010
R1007
<<0.7V>>
1.5K
25V100
0V
<<0V>>
D1003
1SS355TE17
R1003
D1004
C1008
UDZTE173R6B
10K 50V1
R1006
1K
D971
R972
MA165TA
820
PL
METAL
1
RECINH_F
2
RECINH_R
3
CRO2
TO
4
HALF DECK
5
CIRCUIT
MODE
6
(CP1002) ON
7 SCHEMATIC
DIAGRAM-9
8
9
CS971
5 4 2
3 1
: PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
C1038
220P
R1017
8.2K
R1015
47
C1019
C1032
1000P
0.018
R1009 C1020
18K 470P
24 23 22 21 20
A
-
+
PB AMP (L)
IC1001
PB AMP (R)
+
B
-
1 2 3 4
C1023
1000P
C1033
0.018
R1010 C1027
C1021
R1016
18K 470P 1000P
47
C1022
1000P
C1014 2SD2144STA
R1014
1000P
4.7K
0V
R1012
<<0.6V>>
4.7K
KTC3875GRTA
C1018
Q1004 BIAS OSC CONTROL
0.01
0V
R1013
<<0.6V>>
14.2V 4.7K
<<14V>>
C1013
C1017
1000P
C1016
2200P
2200P
4.7
0V
<<0.7V>>
0V
<<0.6V>>
Q1007
R1011
0V
10K
<<0V>>
IC951
ON2180RLC1
PHOTO INTERRUPTER
S951
S953
S952
R952
820
MA165TA
MECHANISM CIRCUIT
(DECK 1)
R1055
2.2K
R1098
10K
R1032
10K
C1034
50V3.3
C1043
50V4.7
R1038
4.7K
C1044
10V33
19 18 17 16 15 14
P R
ALC P
R
NOR/Cro &
HI/LO
LOGIC
R RIPPLE
LOGIC
REC/PB LOGIC REJECTION
A/B
P
5 6 7 8 9 10 11
C1045
10V22
C1035
50V3.3
C1039
R1022
220P
10K
R1035
10K
C1042 R1031
16V22 27K
R1028
8.2K
Q1004-Q1005 IC1001
AN7348STA-E1
P.B EQ/REC AMP/
BIAS OSC
ALC/TPS AMP
(PLAY:ON)
Q1007 Q1008-Q1011
KTC3875GRTA
INTERFACE
C1026
6.3V47
Q1009
0.6V
0.6V
0.5V
Q1008
R1020
R1024
47
56K
1 2
MODE
1
D1_CRO2
2
PL
3
GND
TO
4
PHOTO_T
DECK
5
CIRCUIT
HALF
6
(CP1001) ON
STBY_5V
7 SCHEMATIC
VREF_GND
DIAGRAM-10
8
PHOTO_S
9
CS951
PL
D951
R953
39K
R1095
100K
R1039
15K
R1090
220
C1046
10V220
13
12
R1086
2.2K
R1037
Q1011
100K
0.7V
0.2V
0.1V
R1027
100K 0.1V
0.2V
Q1010
R1036
47
3 4 5 6 7 8 9
CP1002
TO
MECHANISM CIRCUIT
(CS971) ON
SCHEMATIC
DIAGRAM-9