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SA-VK870EE
SCHEMATIC DIAGRAM - 10
: -B SIGNAL LINE
B
MAIN CIRCUIT
: +B SIGNAL LINE
TO MAIN
SECTION (5/6)
C7100
R5311
R5306
50V1
10K
10K
FL_OUT
C3005
3900P
C7300
16V10
SUBW
C4013
3900P
C7200
R5206
50V1
10K
FR_OUT
R5211
10K
P1
CN2808
1
MODE_DA
MOD_DA
17
DC_DET2
16
FAN
15
FHOP
14
MUTE_F_SW
13
MUTE_S_C
M
MUTE_S_C
12
TO
CENTER
11
D-AMP CIRCUIT
AGND
10
(CN5050)
SURROUND_R
9
IN SCHEMATIC
AGND
8
DIAGRAM - 15
SURROUND_L
7
AGND
6
SUBWOOFER
5
AGND
4
FRONT_R
3
SIGNAL_A_GND
2
FRONT_L
1
17
CN2807
1
STANDBY_LED
STANDBY_LED
27
VREF+
26
DGND
25
LED_SUPPLY
24
LED_GND
23
V_JOG_A
22
HBASS_LED
HBASS_LED
21
BASS_JOG2
HBASS_JOG2
20
BASS_JOG1
HBASS_JOG1
19
KEY1
18
C
TO
KEY2
17
PANEL CIRCUIT
KEY3
16
(CN6001)
RMT
15
IN SCHEMATIC
DVREF+
14
R2007
0
DIAGRAM - 11
MIC
13
+7V
12
-7V
11
MIC_GND
10
FL_CS
9
FL_DATA
8
FL_CLK
7
VOL_LED
6
SW5V
5
FL1
4
FL2
3
FL_GND
2
-VP
1
27
29
30
: DVD VIDEO SIGNAL LINE
: MAIN SIGNAL LINE
: DVD AUDIO SIGNAL LINE
: AM / FM SIGNAL LINE
C8017
C7103
100P
50V1
R5309
+7V
33K
5
6
7
8
+VCC
IC2380
MIX_GND
C0ABBB000230
MIX AMP
-VCC
4
3
2
1
R5209
33K
-7V
C8015
C7203
100P
50V1
DC_DET2
FAN
F_HOP
MUTE_F
CENTER
DC_GND
SURROUND_R
SURROUND_L
SUBWOOFER
FRONT_R
C2344
R2349
50V1
3.3K
FRONT_L
VREF+
C2341
R2341
DGND
50V1
2.2K
FRVOLOUT
M+9V_BE
R2345
LED_GND
Q2340
4.7K
V_JOG_A
B1ABEB000002
MUTING
R2344
Q2341
4.7K
KEY1
B1ABEB000002
C2340
R2340
KEY2
50V1
2.2K
MUTING
FLVOLOUT
KEY3
RMT
C2342
R2346
50V1
3.3K
DVREF
MIC_IN
-7V
MIC_GND
FL_CS
FL_DOUT
FL_CLK
VOL_LED
SW5V
FL1
FL2
FL_GND
-VP
32
33
34
: TAPE RECORD SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: AUX / MIC / MUSIC PORT SIGNAL LINE
Q2370
B1ABEB000002
MUTING
R2374
0
SUBW
C2372
16V10
R2370
1K
SLOUT
C2373
50V3.3
R2371
3.3K
C7403
0.022
SROUT
C2374
50V3.3
R2372
3.3K
C7402
0.022
COUT
C2375
1
R2373
10K
C7401
3900P
R2375
0
Q2342
B1GDCFGA0018
MUTING CONTROL
R2351
1.8K
R2352
R2320
R2319
47K
39
39
C2347
R2322
R2321
100P
39
39
C2348
47P
4
3
2
1
-VCC
IC2340
C0AABB000125
+VCC
HEADPHONE AMP
5
6
7
8
R2324
R2323
39
39
C2346
R2325
R2326
C2345
47P
39
39
100P
R2350
47K
35
36
37
112
MUTE_S_C
Q2371
R2385
D2301
B1GDCFGA0018
1.8K
0
MUTING CONTROL
R2381
8.2K
R2379
100K
Q8031
B1ABEB000002
R8035
MUTING
1K
R2378
33K
MUTE_F
R8038
QR8031
1K
B1GDCFGA0018
R2377
33K
D8030
MUTING CONTROL
B0ACCK000005
R2376
33K
R8030
100K
R2380
8.2K
DGND
DECK_EJECT
MPORT_R
MPORT_GND
MPORT_L
HP_MUTE
MPORT_SW
HP_SW
HP_RCH
HP_GND
HP_LCH
R2311
1
HP_RCH
OPEN
R2937
HOME_SW
R2936
R2317
1.5K
CLOSE
R2934
LO_R
Q2222
LO_F
B1ABGC000005
UD_SENSOR
R2935
MUTING
HP_GND
TOP
R2938
Q2221
MODE
R2942
B1ABGC000005
MGND
MUTING
R2318
1.5K
HP_LCH
R2314
1
+7V
D2000
B0EAKM000117
M+9V_BE
D2001
B0EAKM000117
1/6
2/6
3/6
4/6
5/6
6/6
SA-VK870EE
38
39
40
I
TO MAIN
SECTION (3/6)
J
K
R8032
1K
Q8030
B1ABCF000176
MUTING
L
CN2806
1
10
DGND
9
DECK_EJECT
G
8
MPORT_R
TO
7
MPORT_GND
MUSIC PORT
6
MPORT_L
CIRCUIT (CN6807)
5
MPORT_SW
M
IN SCHEMATIC
4
HP_SW
DIAGRAM - 12
3
HP_R
2
HP_GND
1
HP_L
10
CN2805
0
11
OPEN
0
10
HOME_SW
0
9
CLOSE
8
LO R
N
7
LO F
0
TO CR14 (CN2)
6
UD
0
5
TOP
4
DGND
0
3
MODE
2
P_GND
1
CD_7.5V
Q4008
2SD0592ARA
CD+7.5V POWER SUPPLY
O
MAIN CIRCUIT
P
41
42
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