Panasonic SA-AK500P, Service Manual

Page: 193 / 229

C1012
1000P
R1014
4.7K
R1005
4.7K
R1020
47
R1036
47
Q1001
Q1001
KTC3199GRTA
SWITCHING
(BEAT PROOF)
Q1005
Q1004
Q1007
Q1003
Q1010
Q1009
IC1004
BA7755A
R/P SELECT
CP1002
CS1001
CS1002
R1010
18K
PL2
PHOT
O2
ADIN7
PHOT
O1
BP1
4
11
12
5
Q1003
2SD2144STA
SWITCHING
(REC:ON)
Q1004-Q1005
2SD2144STA
BIAS OSC
(PLAY:ON)
Q1008-Q1010
KTC3875GRTA
PHOTOCURRENT AMPLIFIER
Q1008
1
2
3 6
5
4
Q1007
KTC3875GRTA
BIAS OSC CONTROL
TO
DECK
CIRCUIT
(CP1001) ON
SCHEMATIC
DIAGRAM-
12
TO
DECK
CIRCUIT
(CP1002) ON
SCHEMATIC
DIAGRAM-1
1
TO
MECHANISM
CIRCUIT (CS971) ON
SCHEMATIC DIAGRAM-1
1
CS951
CS971
S951
S952
S953
PL
MODE
PL
GND
HALF
PHOTO_S
STBY_5V
VREF_GND
PHOTO_T
D1_CRO2
IC951
ON2180RLC1
PHOTO INTERRUPTER
IC971
ON2180RLC1
PHOTO INTERRUPTER
3
S972
S974
S971
S975
S973
PL
HALF
RECINH_R
MODE
RECINH_F
CRO2
IC1001
AN7348STA-E1
P.B EQ/REC AMP/
ALC/TPS AMP
C1015
1000P
C1038
220P
C1019
1000P
C1020
470P
R1009
18K
R1026
1K
C1009
16V47
C1006
50V1
R1001
1
C1002
50V2.2
C1003
1500P C1007
4700P
L1001
RLQB470JTD-D
L1002
7L1A62N
C1001
0.01
R1004
1.5K
R1003
10K
D1003
1SS355TE17
R1006
1K
R1015
47
R1017
8.2K
C1032
0.018
C1030
10V100
R1018
3.9K
C1034
50V3.3
C1036
0.033
C1040 16V10
C1043
50V4.7
R1029
4.7M
C1044
10V33
R1055
2.2K
R1098
10K
R1032
10K
R1038
4.7K
R1039
15K
C1046
16V220
R1090
220
C1010
25V100
R1007
4.7
C1008
50V1
D1004
UDZTE173R6B
R1011
10K
C1026
6.3V47
C1016
2200P
C1017
2200P
C1013
1000P
C1011
0.047
C1018
0.01
R1013
4.7K
R1012
4.7K
C1014
1000P
C1023
1000P
C1027
1000P
C1031
10V100
R1016
47
C1033
0.018
R1019
3.9K
R1022
10K
R1028
8.2K
R1031
27K
C1042
16V22
R1035
10K
C1039
220P
C1035
50V3.3
C1037 50V3.3
C1041 16V10
R1030
100
C1045
10V22
R1024
56K
R1027
100K
R1037
100K
R1086
2.2K
R1095
100K
R972
820
D971
MA165TA
R952
820
D951
MA165TA
R953
39K
Z971
RGSD12A1445T
R973
39K
1
2
4
6
8
9
7
5
3
1
2
4
6
8
9
7
5
3
SCHEMATIC DIAGRAM - 11
DECK CIRCUIT
S976 METAL
8.5V
<<1
1.3V>>
0V
<<1.3V>>
0V
<<0V>>
0V
<<4.9V>>
0V
<<0V>>
0V
<<1.3V>>
0V
<<1.3V>>
0.6V
<<0.6V>>
8.4V
<<8.2V>>
7.5V
<<7.4V>>
2.7V
<<2.7V>>
0V
<<0.1V>>
5.6V
<<9.5V>>
0V
<<3.4V>>
3.4V
<<3.3V>>
9.2V
<<9V>>
0V
<<0V>>
15V
<<14.8V>>
0V <<0.1V>> 0V <<0V>> 0V <<0V>> 0V <<9.4V>>
0V <<0V>>
0.3V <<10.2V>> 7.4V <<7.3V>> 8.3V <<8.2V>> 0.6V <<0.6V>> 0V <<0V>> 0V <<0V>>
0V
<<22.9V>>
0V
<<0.2V>> 0V
<<0V>>
0V
<<0V>>
0V
<<0V>>
0V
<<0.7V>>
14.2V
<<13.9V>>
0V
<<0.6V>>
0V
<<0.4V>>
0V
<<0.6V>>
0V
<<0.4V>>
0V
<<0.7V>>
0V
<<0.4V>>
0V
<<0V>>
0V
<<0V>>
0.6V
<<0V>>
0.6V
<<0V>>
0.6V
<<0V>>
0V
<<0V>>
0.5V
<<0V>>
0.1V
<<0V>>
0.2V
<<0V>>
0.7V
<<0V>>
R1105
0
R1100
0
R1101
0
R1103
0
R1102
0
: PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
: -B SIGNAL LINE
MECHANISM CIRCUIT
(DECK 2)
MECHANISM CIRCUIT
(DECK 1)
: +B SIGNAL LINE
VCC
H=OFF
IC1004
1 2 3 4 5
P
R
R
R
P
P
LOGIC
A/B
ALC
NOR/CRO &
HI/LO
LOGIC
RIPPLE
REJECTION
-
+
-
+
PB AMP (R)
PB AMP (L)
B
A
IC1001
1 2 3 4
21 22 23 24
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
LOGIC
REC/PB
1 2 4 6 8 7 5 3 9
HALF
RECINH
_R
MODE
RECINH
_F
AD_OUT
VREF _GND
STBY
_5V
1 2 3 4 5 6 7
1
2
4
5
3
1
2
4
5
3
L
R
ERASE
HEAD
RECORD/PLAY
HEAD
1
2
4
5
3
1
2
4
5
3
L
PLACKBACK
HEAD
R
C1021
470P
C1022
1000P
R1 104
0