Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-AK520 ALL SA-AK520P SVC sch16_17
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SCHEMATIC DIAGRAM -16
: +B SIGNAL LINE : PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
DECK CIRCUIT
R1055 R1038 R1039
C1038 4.7K 15K
220P 2.2K
C1057 C1044
50V4.7
C1034
C1043
R1015
R1029
4.7M
1 1 1000P 47 50V3.3 10V33
R C1032
L 2 2 IC1001 0.018
PLAYBACK
HEAD 3 3 AN7348S-E1
L P.B EQ/REC AMP/ C1030 R1090 R1040
4 4 ALC/TPS AMP 10V100 220 0
C1046
10V220
R1018
5 5
3.9K
C1036
0.033
R
C1056
16V10
CS1001
C1040
16V10
C1015 C1012 R1032
1000P 1000P 10K
24 23 22 21 20 19 18 17 16 15 14 13
R1017
PB AMP
OUTPUT
REC OUT
TAPE A
INPUT
ALC LOW
CUT
VCC
ALC T
PB AMP
EQ
REC IN
PB AMP
CRO/NOR
NF
8.2K
TAPE A
INPUT
HI/LO
C1020
470P R1009
18K IC1001
REC/PB SW
REC OUT
C1019
OUTPUT
OUTPUT
AB SW T
PB AMP
PB AMP
PB AMP
RIPPLE
TAPE B
TAPE B
REC IN
FILTER
1000P
AB SW
INPUT
INPUT
GND
EQ
NF
5
C1058 1 2 3 4 5 6 7 8 9 10 11 12
1000P
10
RECORD/PLAY
R1019
3.9K
HEAD
1 1
C1041
16V10
R1030
100
2 2
L
50V3.3
C1039
C1045
C1035
10V22
3 3
10V100
220P
C1031
R 4 4 C1033
0.018
5 5 R1010
C1027
C1023
1000P
1000P
R1016
50V3.3
ERASE
R1022
18K C1037
10K
47
HEAD CS1002
4
C1021 R1035
470P 10K
3 R1028
R1031
C1042
16V22
11 C1022 8.2K
27K
1000P
R1001
1
IC1004 IC1004
12 C1AA00000612
CTRL2
CTRL1
R/P SELECT
GND
VCC
SW
1 2 3 4 5
C1002
2.2
C1009
R1026 R1005 10V47
1K 4.7K
C1006
50V1 L1001 Q1004-Q1005
L1002 R1014
7L1A62N
G0C470JA0030 B1AAGC000007 C1014 4.7K
BIAS OSCILLATOR 1000P
C1007 6 3 R1012
4700P Q1004 4.7K
5 2
4 1
C1011 C1018
C1003 0.047
1500P 0.01
Q1005 R1013
4.7K
Q1001 Q1003 R1004 R1007
4.7
1.5K C1013
1000P
C1010 C1016 C1017
25V100 2200P 2200P
C1001 R1006
0.01 1K
R1003 D1003 D1004
10K B0ACCK000005 B0BC3R700004 Q1007
C1026
R1011 6.3V47
10K
Q1003 C1008
Q1001 50V1 Q1007
KTC3875GRTA B1AAGC000007
SWITCHING SWITCHING KTC3875GRTA
(BEAT PROOF) (RECH) BIAS OSC CONTROL
SCHEMATIC DIAGRAM - 17 : PLAYBACK SIGNAL LINE
: +B SIGNAL LINE
: RECORD SIGNAL LINE TO
MAIN CIRCUIT (CN304) ON
SCHEMATIC DIAGRAM-4
DECK CIRCUIT CN1001
14 13 12 11 10 9 8 7 6 5 4 3 2 1
RECINR
AFGND
+B
MO+B
RECINL
BP1
REC_H
MO GND
DMT
DECK1_H
MOTOR
PBL
PBR
Q1017
C1054 50V3.3
KTD1146YTA
MOTOR SWITCH
C1064
50V3.3
R1095 R1091
R1098 100K 2.2K
10K
R1057 R1060
R1094 R1049 C1051 2.2K 390
1K 1M 50V1
R1092 R1097
10K
Q1020 2.2K C1048
50V1
R1093 R1053 +
R1096 1 1
Q1020-Q1021
100K 1K Q1014
680 R1056
220
R1058
2.7K Q1017 2 2
M
-
R1051
KTD1304TA R1084 Q1021 C1049
1000P
220
W1002
MUTING SWITCH
2.2K R1054
680
R1047 C1053
1K R1050 16V220
Q1012 R1045
100K
1M
C1052
R1086 R1048 50V1
2.2K 1K
Q1015
R1046 C1047
R1087 R1085
R1061 Q1016
100K 50V1 C1050 0
Q1013 Q1014-Q1015 1000P
R1052
220
47K 47K
Q1012-Q1013
B1ABCF000011
KTD1304TA BUFFER AMP
MUTING
C1055 R1059
50V0.1 10K
Q1016
B1GDCFJJ0023
DECK MUTING SWITCH
DECK MECHANISM CIRCUIT
IC971 D971
MA2C16500E
CNB13030R2AU MODE
PHOTO INTERRUPTER
R972 D1_CRO2
RECINH_F
820
MODE
PL
HALF
PL970
R973
39K GND
PHOTO_T
S975
S972
S971
HALF
STBY_5V
VREF_GND
PHOTO_S
7 6 5 4 3 2 1
RECINH
_GND
MODE
RECINH
AD_OUT
VREF
STBY
HALF
PL2
_5V
Z971 1
_R
_F
RGSD12A1445T
PL1
2
STBY_5V
3
PL_GND
4 TO
AD_OUT
5
PANEL
D951 PHOTO_PB
CIRCUIT
IC951 MA2C16500E 6 (CP600) ON
CNB13030R2AU MODE PHOTO_RP SCHEMATIC
PHOTO INTERRUPTER 7
D1_CRO2 HALF_PB DIAGRAM-10
8
VREF_GND
R952 PL971 PL 9
820 MODE_PB
GND 10
R953 PHOTO_T
S952 HALF CN971
39K
HALF
STBY_5V
VREF_GND
MODE
S951
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