Panasonic SA-BT230P Service Manual page 113

15 16 17 18
SCHEMATIC DIAGRAM - 26
B
PANEL CIRCUIT
: +B SIGNAL LINE
FOR BT330P/PC
JK6502
5
4
3
SETUP MIC 2
1
6
TO PANEL
SECTION (1/2)
7
C6530
0.01
CHASSIS
B0BC5R1A0266
P1
15 16 17 18
19 20 21
: -B SIGNAL LINE : MIC AUDIO INPUT SIGNAL LINE
L6505
J0JYC0000251
C6522
1
C6523
L6504
J0JYC0000251
R6538 2.2K
C6539 R6535 R6536
C6533
1 180K 1K 1
C6532
15P
C6531
1
1 2 3 4
V-
IC6531
R6531 C0ABBB000189
220
OP-AMP
V+
8 7 6 5
C6537
R6532 150P
D6532
100
B0ACCK000012
C6536 R6545
1 150K
D6533
R6533 C6538 D6531 C6535
47K
10 B0ACCK000012 0.1
19 20 21
22 23 24
K6531
0
R6539
22K
Q6532
R6537
3.3K
B1ADCE000012
MUTING
R6548
4.7K
R6547
10K
R6540
2.2K
Q6534
B1GDCFGA0018
R6546
MUTING CONTROL
1.8K
Q6533
B1GDCFGA0018
MUTING CONTROL
Q6531 R6544
56K
B1ABEB000002
MUTING
R6541
2.2K
R6543
C6534
27K 1
22 23 24
113
25 26 27
ASS_SW
DGND
ACS
+7V
ACS_MUTE
-7V
1/2 2/2
SA-BT230P/PC,SA-BT330P/PC PANEL CIRCUIT
25 26 27
28
A
B
C
D
E
F
G
H
28