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125
17.4. Auto Setup Speaker & Power Button Circuit
1
2
3
D
AUTO SETUP SPEAKER CIRCUIT
SCHEMATIC DIAGRAM - 11
4
5
6
7
8
9
10
11
12
13
14
A
B
D
E
C
F
G
A
B
C
D
E
F
E
POWER BUTTON CIRCUIT
G
H
1
2
3
4
5
6
7
8
9
10
11
SA-PT870EE AUTO SETUP SPEAKER / POWER BUTTON C
IRCUIT
12
13
14
H
S6807
S6801
R6801
1K
1
3
2
H6803*
POWER
KEY1
OPEN/CLOSE
DGND
KEY1_BTN
R6531
220
C6539
1
R6535
C6532
15P
C6533
1
R6536
C6531
1
OP-AMP (SETUP MIC)
R6533
47K
D6533
MAZ80510ML
C6538
10
C6535
0.1
R6532
100
C6536
1
D6532
C6537 150P
6
7
5
2
4
3
8
1
IC6531
C0CABBB000189
R6545
150K
D6531
MA2J1
1
100L
V-
1K
180K
V+
L6505
J0JBC0000019
L6504
J0JBC0000019
1
2
3
6
7
4
5
JK6502
C6501
C6530
0.01
0.01
R6549
6.8K
CHASSIS
0
K6531
R6539
22K
C6523
R6538
C6522
1
0.01
2.2K
R6537
3.3K
Q6532
B1ADCE000012
R6544
56K
R6543
27K
R6541
2.2K
C6534
1
B1ABEB000002
Q6531
Q6533
B1GDCFGA0018
R6540
2.2K
R6546
1.8K
B1GDCFGA0018
Q6534
R6547
10K
R6548
4.7K
MUTING
MUTING
SWITCH
BUFFER
7
4
3
6
5
1
2
H6501*
AGND
ACS_MUTE
+7V
ACS
MPORTSW
DGND
-7V
SETUP MIC
MA2J11100L
C
TO
PANEL CIRCUIT
(H6903*)
IN SCHEMATIC
DIAGRAM - 10
PANEL CIRCUIT
(H6903*)
IN SCHEMATIC
DIAGRAM - 10
B
TO
MAIN CIRCUIT
(CN2010)
IN SCHEMATIC
DIAGRAM - 7
MAIN CIRCUIT
(CN2010)
IN SCHEMATIC
DIAGRAM - 7
: -B SIGNAL LINE
: +B SIGNAL LINE
: MIC AUDIO INPUT SIGNAL LINE
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