Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-MT1EB MD0303092C2 doc sch23_24
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SCHEMATIC DIAGRAM-23
SIDE:A SIDE:B
BUFFER AMP CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
C640
16V10
FRch
C639
16V10
FLch
CMIX
V+
V-
R673 R675 C677
R671 50V1
4.7K 47K 1K
SL2
R693
SR2 1K
R677
R674 C676 27K
R672
0.01
47K 100P C675 C673
4.7K
100P 33P
R694
C694
1K
Q610
R676
C674 1K B1GFGCAA0001
33P MUTING SWITCH
SWO2 C678 C680
1 8 9 10 11 12 13 14 50V1 16V10
SR2
2 SR SL
SL2 R678
3
CENT3
IC603 C687
50V1
27K C689
16V10
4 C0ABCB000052
TO 5
CMIX QUAD OP-AMP
MAIN CIRCUIT 5V Q611
(CP602) ON 6 SW CNT B1ABGC000001
SCHEMATIC FLch MUTING SWITCH
7 7 6 5 4 3 2 1
DIAGRAM-20 R689 R696
AGND 27K 1.2K
8
C693
FRch 0.01 R695
9
1K
V- C686 C683 C685 R687
10
1000P 100P 47P 1K
V+
11
R688 C688 R686 R685 Q701
CN602
B0ACCK000005
27K 16V10 56K 39K B1ADCF000001
MUTING CONTROL R709
D721
C684 10K C701
100P R703
16V10 18K
R681
5.6K
R682
6.8K R701
SWO2 Q701 1K
CENT3
MUT_S R710 R704
10K 18K
SUBW_MIXSW C702
16V10 R706
R702 22K
1K
100K
R711
R712
100K
R705
Q702
22K
Q702
B1ADCF000001
SWITCH
SCHEMATIC DIAGRAM-24
BUFFER AMP CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
R670 560
C662 16V22
C665
C648 0.15
50V1 R648
47K
8.2K
82K
C670
C642 R646 R667
0.01
0.033 8.2K 270K
R663
R665
R660
0.039
15K
4.7K
R664
0.1
82K
R661
C644 15K
0.1
C667
C666
C663
R666
D646 D646 0.047 R662
B0ACCK000005 1K
5600P
C664
10V33
C668
R644
33K C661
470P
C646
100P
24 23 22 21 20 19 18 17 16 15 14 13
VEE
HPF2-1
HPF2-2
NF2
OUT2
CIN
LROUT
VR
HPF3-1
HPF3-2
LPF1
LPF2
FL
IC602
C1BB00000389 FR
DIGITAL SOUND CONTROLLER
LEVEL1
LEVEL2
INVLPF
HPF1-1
HPF1-2
OUT1
FR
LRNF
GND
VCC
1
NF1
SL
B1
B2
FL
2
1 2 3 4 5 6 7 8 9 10 11 12
R643 SR SL
C645 3
33K 100P
100K
CCH
R653 4
15K
27K R655 SR TO
D645
27K 5
B0ACCK000005 MAIN CIRCUIT
560
D645 ATT1
C669 SUBWO
R651
C643 (CP603) ON
R652
R654
820K
R642 0.01 6
0.1 ATT2 SCHEMATIC
33K ATT1
R669
7 DIAGRAM-20
C641 R656
0.033 ATT2
27K 8
MUT_S
R645 9
8.2K
B0ACCK000005
50V1
SUBW_MIXSW
50V1
B0ACCK000005
R641 10
33K MUTEA
D653
D654
SUBWO 11
C647
C656
C655
R647
47K 50V1
CN603
CCH
C679 16V10
MUTEA
5V
C691
16V10
Q612
B1ABGC000001
MUTING CONTROL
R690
27K
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