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SA-VK870EE
20.4. Tact Switch, Music Port, Remote Sensor, Mic, USB Circuit
1
2
3
SCHEMATIC DIAGRAM - 12
A
F
TACT SWITCH CIRCUIT
Q6511
B1GBCFJN0033
VR6500
R6511
LED DRIVE
EVEKE2F3524M
0
VOLUME JOG
D6511
B
B3AEA0000107
B3AEA0000107
VOL LED (TOP) VOL LED (BOTTOM)
3
2
1
R6501
R6503
12K
10K
R6502
22K
C6503
1000P
C
R6308
R6307
R6306
R6305
R6304
R6303
R6302
4.7K
2.7K
0
2.2K
1.8K
1.2K
1K
D
G
MUSIC PORT CIRCUIT
E
DGND_C
MP_SW
CN6807
10
F
DGND
1
EJECT
2
B
PA_IN_R
3
TO
PA_IN_GND
4
MAIN CIRCUIT
PA_IN_L
5
(CN2806)
PA_SW
6
IN SCHEMATIC
HP_SW
7
DIAGRAM - 10
HP_R
8
HP_GND
9
HP_L
10
1
G
B
TO
ZJ6801
MAIN CIRCUIT
2
(CN2812)
1
IN SCHEMATIC
H
DIAGRAM - 5
1
2
3
4
5
6
: +B SIGNAL LINE
R6512
390
D6512
DVREF+_B
J6501B*
J_VOLA_2
1
VOL_LED
C
2
DVREF+
TO
3
KEY3
PANEL CIRCUIT
LED_GND_B
4
LED_GND
LED_SUPPLY_B
(J6501A*)
5
LED_SUPPLY
IN SCHEMATIC
6
STOP
DIAGRAM - 11
DGND_B
7
DGND
J_VOLA_2
8
J_VOLA
R6301
1K
R6208
6.8K
: +B SIGNAL LINE
: MAIN SIGNAL LINE
: MUSIC PORT SIGNAL LINE
JK6810
5
L6851
C6851
J0JBC0000019
0.1
4
L6811
R6811
C6811
J0JBC0000019
1K
1
MP_L
3
R6812
C6812
1K
1
MP_R
2
L6812
J0JBC0000019
1
6
MP_GND
7
HP_SW
JK6800
HP_R
HP_GND
5
HP_L
C6863
L6863
J0JBC0000019
0.1
4
L6801
J0JBC0000019
3
2
L6802
J0JBC0000019
1
S6820
6
OPEN
C6861
1000P
7
4
5
6
7
8
9
H
REMOTE SENSOR CIRCUIT
C
J6001B*
TO
PANEL CIRCUIT
DGND
3
(J6001)
VREF+
2
IN SCHEMATIC
RMT
1
DIAGRAM - 11
I
MIC CIRCUIT
JK6002
5
4
R6004
680
2
MIC 2
3
7
8
1
J0JBC0000019
JK6001
5
4
MIC 1
2
3
7
8
1
O
TO
AC INLET
WJ6000
CIRCUIT (ZJ5702)
IN SCHEMATIC
DIAGRAM - 18
MUSIC PORT
J
USB CIRCUIT
CN8002
A
TO
5
DGND
DVD MODULE
DGND
CIRCUIT
D+
(FP9001)
D-
IN SCHEMATIC
VBUS
1
DIAGRAM - 1
HEADPHONE
B
TO
MAIN CIRCUIT
JW2702*
(CN2813)
IN SCHEMATIC
DIAGRAM - 5
SA-VK870EE
7
8
9
114
10
11
12
: +B SIGNAL LINE
Z6601
B3RAB0000025
REMOTE CONTROL SENSOR
1 2 3
: +B SIGNAL LINE
: -B SIGNAL LINE
: MIC SIGNAL LINE
L6864
0
L6000
J0JBC0000019
C6000
50V4.7
L6003
J0JBC0000019
C6010
R6014
1000P
100
R6816
0
L6002
V-
5
4
C6003
47P
C6012
6
3
VR6001
C6004
47P
EVUE27FK2B53
1000P
7
2
MIC VOLUME JOG
R6005
680
C6011
560P
V+
8
1
R6011
IC6000
10K
C0ABBB000230
3
2
1
MIC AMP
C6006
1000P
C6008
R6010
C6009
0
1.5K
0
: USB SIGNAL LINE
LB9001
1
J0JHC0000034
VBUS
1
2
2
D-
3
R9030
3
D+
4
0
DGND
4
5
5
R9031
0
6
2
1
TACT SWITCH / MUSIC PORT / REMOTE SENSOR / MIC / USB CIRCUIT
10
11
12
13
14
A
B
C
D
E
CN6702
1
DGND
C
MIC_SW
TO
2
PANEL CIRCUIT
3
NC
(ZJ6601)
4
A_GND
5
MIC
IN SCHEMATIC
DIAGRAM - 11
6
+7V
7
-7V
F
CN7002
TO USB
G
H
13
14
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