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29
30
31
SCHEMATIC DIAGRAM - 7
: -B SIGNAL LINE
B
MAIN CIRCUIT
: +B SIGNAL LINE
C6922
R6921
R6922
39
39
0.01
D6930
B0BC5R000009
R6961
10K
IC6931
C1AB00002773
ECHO PROCESSOR
C6921
0.1
R6942
15K
C6932
10V47
1
VCC
LPF1_IN
16
C6931
10V47
2
REF
LPF1_OUT
15
C6940
0.1
3
A_GND
LPF2_OUT
14
R6926
15K
4
D_GND
LPF2_IN
13
R6925
C6920
15K
6800P
5
NC
OP2_OUT
12
R6923
12K
6
CLK
OP2_IN
11
C6925
0.22
7
CC1
OP1_OUT
10
8
CC0
OP1_IN
9
C6926
0.22
P1
Q2011
B1GBCFJJ0051
INVERTER
CN2803
PL
1
MOTOR_H
2
MOTOR_GND
3
DECK_AD2
4
MOTOR_10V
5
DECK_AD1
6
+9V
7
PBL
8
K
TO
PBR
9
DECK CIRCUIT
AGND
10
(CN1305)
AGND
11
IN SCHEMATIC
REC_LIN
12
DIAGRAM - 13
REC_RIN
13
REC_H
14
BP
15
DMT
16
DVREF
17
VREF-
18
DGND
19
NC
20
PHOTO
21
R2338
1K
TO MAIN
SECTION (2/6)
32
33
34
: DVD VIDEO SIGNAL LINE
: MAIN SIGNAL LINE
: TAPE RECORD SIGNAL LINE
: DVD AUDIO SIGNAL LINE
: AM / FM SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
FAN
+7V
DC_DET
R6901
M+9V_BE
0
MIC_IN
C6939
1
MIC_OUT
DC18V
R6940
18K
Q6907
B1GBCFJJ0051
MUTING
ECHO_MUTE
Q6909
B1GBCFJJ0051
R6915
4.7K
ECHO CONTROL
C6936
R6916
6.3V220
4.7K
ECHO_3
Q6906
B1GBCFJJ0051
R6917
2.7K
ECHO CONTROL
C6934
R6918
6.3V220
4.7K
ECHO_2
Q6908
B1GBCFJJ0051
R6919
ECHO CONTROL
1K
C6935
R6920
10V47
4.7K
ECHO_1
MIC_GND
MGND
Q2012
B1GBCFJJ0051
INVERTER
PL_L
MOTOR_L
LED_GND
DECK_AD1
+9V
K2111
0
PBL
PBR
K2211
0
AGND
REC_LIN
REC_RIN
REC
DMT
DVREF
DGND
PHOTO
D2332
B0ADCC000002
R2333
R2591
2
0
330K
3
1
LM_L
35
36
37
: AUX / MIC / MUSIC PORT SIGNAL LINE
D2948
D2945
B0JAME000114
B0EAKM000117
Q2944
Q2942
B1BACD000018
B1ACKD000006
REGULATOR
POWER SUPPLY
Q2943
B1ABCF000176
POWER CONTROL
R2956
10K
3
R2949
C2949
47K
2
1
35V47
Q2948
B1ABCF000176
DC DETECT
R2948
100
TO MAIN
SECTION (6/6)
109
38
39
40
R2941
CN2810
0
2
+VE
TO FAN
1
-VE
Q2949
B1ABCF000176
DC DETECT
1/6
2/6
3/6
4/6
5/6
6/6
SA-VK870EE
SA-VK870EE
41
42
A
B
C
D
E
F
G
MAIN CIRCUIT
H
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