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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