Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-AK44 Panasonic SA-AK44 sch9_10
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SCHEMATIC DIAGRAM - 9
: +B SIGNAL LINE : PLAYBACK SIGNAL LINE
: -B SIGNAL LINE : RECORD SIGNAL LINE
DECK CIRCUIT
R1055
C1038 2.2K R1098
220P 47K
R1017
8.2K
CS1001
R1095
1 1 100K
L 2 2 R1032
P.B R1015 10K
16V10
C1040
3 3 47
HEAD
R1029
C1012 C1015
4.7M
1000P 1000P C1034 R1039
4 4 50V3.3 15K
5 5 C1019 C1032 C1043
R 1000P 0.018 50V4.7
C1036
R1038
0.033
4.7K R1090
10V100
C1030
R1018
3 330
3.9K
R1009 C1020 C1044
18K 470P 10V33 C1046
10V220
R/P
<<10.2V>>
<<14.8V>>
CS1002
<<0.1V>>
<<9.4V>>
<<0.6V>>
<<8.2V>>
<<7.3V>>
HEAD
<<0V>>
<<0V>>
<<0V>>
<<0V>>
<<0V>>
-69.5dB
1 1
0.3V
0.6V
8.3V
7.4V
15V
0V
0V
0V
0V
0V
0V
0V
2 2 -69.5dB
L 24 23 22 21 20 19 18 17 16 15 14 13
3 3 A -
+ ALC P P R
4 4 PB AMP (L) R NOR/Cro &
R IC1001 R LOGIC HI/LO RIPPLE
5 5 4
IC1004 B
PB AMP (R)
+
LOGIC
A/B
REC/PB LOGIC REJECTION
BA7755A - P
R/P SELECT 1 2 3 4 5 6 7 8 9 10 11 12
<<0.1V>>
0.6V
0V
7.5V
2.7V
5.6V
3.4V
0V
8.4V
9.2V
0V
0V
<<8.2V>>
<<2.7V>>
0V
<<1.3V>>
<<0.6V>>
<<7.4V>>
<<9.5V>>
<<3.4V>>
<<3.3V>>
<<9V>>
<<0V>>
<<1.3V>>
E HEAD
H=OFF
C1041
16V10
R1030
100
C1037
50V3.3
VCC
1 2 3 4 5 C1045
R1019
<<0V>>
<<4.9V>>
<<0V>>
8.5V
0V
0V
0V
0V
<<11.3V>>
<<1.3V>>
10V22
3.9K
C1023
10V100
1000P
C1031
C1035
50V3.3
R1086
C1039 2.2K
C1033
C1009
10V47
R1026 R1005 0.018 R1022 220P
5 1K 4.7K 10K R1035
R1010 C1021 C1027 R1016
18K 470P 1000P 10K
47
C1042 R1031
16V22 27K
11 C1022 R1028
1000P 8.2K
R1001 C1006 REC H
1 50V1
IC1001
L1001 Q1004-Q1005
12 RLQB470JTD-D C1014 2SD2144STA AN7348STA-E1
14.2V
1000P R1014 P.B EQ/REC AMP/
<<13.9V>> 4.7K BIAS OSC ALC/TPS AMP
C1002 3 (PLAY:ON)
50V2.2
6
Q1005 0V
R1012
<<0.6V>>
4.7K Q1007 Q1008-Q1011
5 2 0V
C1003
1500P
C1007
4700P
C1011 <<0.4V>>
C1018
KTC3875GRTA KTC3875GRTA
4 1 0.047 Q1004 BIAS OSC CONTROL INTERFACE
0.01
L1002
7L1A62N 0V
R1013
14.2V <<0.6V>>
<<14V>>
4.7K
0V
<<0V>>
PL2
ADIN7
PHOTO1
D2_CRO2
PHOTO2
Q1001 Q1003 C1013
1000P C1016 C1017
0V 0V 2200P C1026
<<0.7V>> R1004 C1010 R1007 2200P
0V <<22.9V>> 0V 1.5K 25V100 6.3V47
<<0.2V>> <<0V>>
4.7
0V
D1003 0V <<0.7V>>
0V 1SS355TE17 <<0.6V>>
<<0V>>
R1003
Q1007 Q1009
C1001 C1008 D1004 R1011 0V R1037
0.01 10K 50V1 UDZTE173R6B R1008 10K <<0V>>
22K 0.6V
0.6V
0.5V
100K 0.7V
Q1011
Q1001 R1006 0.2V
1K 0V 0.1V
KTC3199GRTA Q1006 <<0V>> 0V Q1008 R1027
SWITCHING <<4.8V>> CrO2 100K 0.1V
KRC114STA
R1020
(BEAT PROOF) 0.2V
BIAS OCS CONTROL Q1010
BP1
47
Q1003 0V
(METAL/CRO2) <<0V>> R1024
2SD2144STA 56K R1036
SWITCHING 47
(REC:ON)
1 2 3 4 5 6 7 8 9
CP1002
D971 IC951
IC971 R972 MA165TA ON2180RLC1 TO
820 PHOTO INTERRUPTER
ON2180RLC1 MECHANISM CIRCUIT
PHOTO INTERRUPTER PL S951 (CS971) ON SCHEMATIC
MODE
1 DIAGRAM-9
D1_CRO2
S975 RECINH_F 2
S953 PL
S974 RECINH_R 3
1 GND
S973 CRO2 4 TO
2 PHOTO_T DECK
S972 HALF S952 5
3 HALF CIRCUIT
S971 MODE TO 6
4 STBY_5V (CP1001) ON
5
DECK VREF_GND
7 SCHEMATIC
R973 CIRCUIT 8 DIAGRAM-10
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