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SA-VK870EE
SCHEMATIC DIAGRAM - 8
I
B
MAIN CIRCUIT
TO MAIN
SECTION (1/6)
J
Q2810
B1AAKD000012
SW+5V REGULATOR
SW5V
M+9V_BE
2
1
R4012
150
K
DW2810
B0ADCJ000020
3
DZ2810
B0BC5R600003
AGND
D4005
B0ACCK000005
DC_DET
QR4004
B1GBCFJN0033
R4036
39K
DC DETECT
DGND
L
-7V
+7V
R2355
0
HP_GND
R5240
0
HBASS_GND
R2356
0
MIX_GND
M
N
D4001
MAZ82400HL
D4000
B0EAMM000057
4
Q2900
5
3
D2903
B1BABK000001
B0EAMM000057
PSAVE CONTROL
6
2
T2900
7
1
G4D1A0000117
8
9
O
SWITCHING TRANSFORMER
R4022
C4044
47
3900P
D4002
B0JAME000029
P
1
2
3
: -B SIGNAL LINE
: DVD VIDEO SIGNAL LINE
: MAIN SIGNAL LINE
: +B SIGNAL LINE
: DVD AUDIO SIGNAL LINE
: AM / FM SIGNAL LINE
2SD0592ARA
+9V REGULATOR
R4032
3.9
Q4004
B1BACD000018
+7V REGULATOR
Q4003
B1ADCF000001
POWER CONTROL
Q4002
B1BCCG000002
-7V REGULATOR
R4018
47
R4017
47
-VP
FP2901
L2910
0.4
G0A220GA0026
ADAC5V
D+5V
D+2.7V
FL_GND
DC_GND
FL2
FL_GND
FL1
4
5
6
: TAPE RECORD SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: AUX / MIC / MUSIC PORT SIGNAL LINE
Q5100
B1BACG000023
M+9V REGULATOR
+9V
Q4007
TUNER_GND
-13V
DW2710
B0ADCJ000020
2
3
L4005
1
G0A200D00002
L4003
G0A200D00002
R4006
R4004
L4004
L4002
G0A200D00002
1.5
1.5
G0A200D00002
Q4000
R4007
R4005
B1BACD000018
33
180
D+2.7V REGULATOR
7
8
9
110
IC4001
C0DAAYY00042
SWITCHING REGULATOR
5
4
3
2
1
L4006
G0A101ZA0028
R4014
R4015
2.2K
6.8K
DC_GND
IC4000
C0DAAMH00012
SWITCHING REGULATOR
5
4
3
2
1
L4000
R4008
G0A200D00002
DC18V
4.7K
Q4001
B1GBCFJN0033
DC DETECT
L4001
G0A101ZA0028
VIDEO_GND
MGND
CHASIS_GND
1/6
2/6
4/6
5/6
10
11
12
TO MAIN
SECTION (5/6)
CN2701
AM_BP
11
AM_BP
PCONT
10
PCONT
9
DC18V
N
DC18V
TO
8
DC18V
SMPS CIRCUIT
7
DC_GND
DC_GND
(CN5802)
6
DC_GND
-13V
IN SCHEMATIC
5
-13V
DC_DET
DIAGRAM - 16
4
DC_DET
DGND
3
SYS_GND
SYS6V
2
SYS6V
SYNC
1
SYNC
P1
3/6
6/6
SA-VK870EE
MAIN CIRCUIT
13
14
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