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16.7. Main Circuit (6/6)
SCHEMATIC DIAGRAM - 7
B
MAIN CIRCUIT
P1
TO MAIN
SECTION (5/6)
29
30
31
: +B SIGNAL LINE
: -B SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
D2813
B0ACCK000005
D2774
B0ADCJ000020
+7.5V
1
3
D5V
2
LED_SUPPLY
D+3.3V
Q2711
C2715
B1BACG000023
0.01
DC DETECT SWITCH
C2714
C2712
C2713
0.01
6.3V47
10V33
B0BC4R3A0006
DGND
DC_DET2
SYS_GND
R2775
9.1K
R2771
8.2K
-9V
R2773
15K
R2772
7.5K
Q2772
R2774
15K
-VP
B1GBCFJJ0051
DC DETECT SWITCH
Q2771
B1GBCFJJ0051
DC DETECT SWITCH
+9V
C2756
16V33
AGND
C2767
16V33
32
33
34
: AUX/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
IC2701
C0DAAYG00001
R2706
1M
SWITCHING REGULATOR
5
4
L2702
G0A101ZA0028
R2701
C2769
R2711
C2706
C2707
R2702
1.5K
0.47
270
0.01
6.3V100
2.7K
R2712
R2703
C2704
18
1K
0.01
D2711
Q2751
B1BACG000023
+9V POWER SUPPLY SWITCH
C2751
R2753
1K
R2755
0.01
2.7K
C2755
0.01
R2756
Q2708
R2754
470
470
B1ADCE000012
C2754
C2753
16V100
D2753
0.01
POWER CONTROL SWITCH
MAZ8100G0L
Q2708
C2763
C2764
C2768
0.01
16V100
0.01
R2762
1K
C2766
C2765
R2765
C2762
0.01
16V10
2.7K
0.01
Q2761
B1BCCG000002
-9V POWER SUPPLY SWITCH
35
36
37
103
: AM/FM SIGNAL LINE
: USB SIGNAL LINE
TO MAIN
SECTION (3/6)
HALT_SENS
R3304
R3301
B1ABCF000176
0
R3302
100
R3303
K3302
100K
0
3
2
1
K3303
0
HALT
AM_BP
C2702
C2701
25V1000
0.01
PCONT
SYS6V
DC18V
GND1
1/6
2/6
3/6
4/6
5/6
6/6
SA-AK580PH/PN MAIN CIRCUIT
38
39
40
I
J
R3306
10K
0
R3307
12K
K
Q3301
SWITCH
L
CN2701*
11
AM_BP
10
PCONT
9
DC18V
I
8
DC18V
TO
7
+18V.-12V_GND
SMPS CIRCUIT
6
+18V.-12V_GND
(CN5802)
5
-13V
IN SCHEMATIC
4
DCDET2
DIAGRAM - 17
3
SYS_GND
M
2
SYS6V
1
SYNC
N
O
P
41
42
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