Panel Circuit - Panasonic SA-VK460GS Service Manual

18.3. (C) Panel Circuit
1 2 3
SCHEMATIC DIAGRAM - 9
A
C

PANEL CIRCUIT

B
C
D
R6952
W6808
0 5.6K
E
R6951
5.6K
5 6 7 8
IC6930
C0ABBB000244
OP - AMP
F
4 3 2 1
R6930
15K
C6930
100P C6929
100P
R6929
10K
G
R6946 39
R6949
10K
D6933
Q6912
B0ACEL000004
B1ABCF000176
MIC LEVEL SWITCH CONTROL
H
R6947 4.7K
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
MIC_OUT
R6961 C6939
10K 0
Q6913
R6963
B1ABGC000001
2.7K
MIC_MUTE
MIC MUTE SWITCH
W6803
W6802
0
0
R6964
4.7K
-9V
+9V
Q6905
Q6904
B1ABCF000176
B1ABCF000176
MIC LEVEL SWITCH
MIC LEVEL SWITCH
MIC_GND
MIC_VOL
Q6910
Q6911
B1GDCFJJ0047
B1GDCFJJ0047
LEVEL SWITCH DRIVER
LEVEL SWITCH DRIVER
D6931
B0ACEL000004 MIC_LVL2
D6932
B0ACEL000004 MIC_LVL1
SW5V
4 5 6
7 8 9
: MIC / MUSIC PORT SIGNAL LINE
W6809
0
DGND
R6313 R6312 R6311 R6310
6.8K
68K 22K 10K
MIC_SW
S6107
DECK 1
S6104
SOUND EQ
S6103
S.SEQ
S6102
ADVANCED
SURROUND
S6101
POWER
KEY1
VREF+
R6458
3.9K
Q6803
SYS6V
B1ACCF000094
VREF CONTROL SWITCH
D6458
B3AAA0000803
R6954
D6803
47K
B0ACCE000003
R6957
Q6804 470K
B1ACCF000094
DVREF CONTROL SWITCH
CN6401
1
0
R6960
PL2 10
PL1 9
R6959 0
DVREF 8
PL_GND 7
G
TO
DECK_2 6
DECK MECHANISM
CIRCUIT (CN971) PHOTO_PB 5
IN SCHEMATIC
PHOTO_RP 4
DIAGRAM - 11
HALF_PB 3
VREF_GND 2
MODE_PB 1
10
W6818
0
7 8 9
87
10 11 12
R6308 R6307 R6306
R6309 R6305 R6304 R6303
4.7K 2.7K 2.2K 1.8K 1.2K 1K 1K
R6950
1K
R6401
Q6805
10K
B1GACFJJ0018
CONTROL SWITCH
R6956
4.7K
R6402
10K
Q6411
B1ACKD000006
R6403
SUPPLY CONTROL
2.7
C6402 R6404
2.7 R6411
0.01
R6412
Q6415
B1ACKD000006
SUPPLY CONTROL
R6415
R6416
1/2 2/2
SA-VK460GC/GCS/GCT/GS PANEL CIRCUIT
10 11 12
SA-VK460GC / SA-VK460GS / SA-VK460GCS / SA-VK460GCT
13 14
C1
TO PANEL
SECTION (2/2)
VREF+
KEY3
H6901
1 NC
KEY2
2 KEY2
D
VREF+
TO
3 VREF+
TACT SWITCH
VJOG_A
4 VJOG_A CIRCUIT (H6557)
IN SCHEMATIC
VJOG_B
5 VJOG_B
DIAGRAM - 11
6
GND
MPORT_SW
7 MPORT_SW
C2
Q6421
22K
B1GBCFJJ0051
PLUNGER SWITCH
1K
22K Q6425
B1GBCFJJ0051
1K PLUNGER SWITCH
GND2
13 14