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SA-AK450P / SA-AK450PC
15
16
17
SCHEMATIC DIAGRAM - 4
MAIN CIRCUIT
: +B SIGNAL LINE
TO MAIN SECTION (2/4)
18
19
20
: XM SIGNAL LINE
: MAIN SIGNAL LINE
: IPOD SIGNAL LINE
R2335
R2331
1k
C2331
Q2317,Q2417
4700P
B1ABCF000176
MUTING SWITCH
R2316
2.2k
C1
R2435
C2431
R2317
Q2317
1k
4700P
18K
R2318
100k
R2329 C2321
3.3K
1
R2356
180k
W586
R2456
180k
0
R2417
18k
R2418
R2429
100k
3.3K
Q2417
R2416
2.2k
C2421
C2
1
TO MAIN SECTION (4/4)
C9
21
22
23
R2334
C2333
W587
0
0
0
1u
R2333
15k
1
F_HOP
2
T-GND
3
MUTE-D-AMP
C2433
4
+15V
R2431
1u
R2434
5
HIGH_L-IN
0
6
HIGH_R-IN
0
A_GND
7
ASP_GND
R2321
C2325
0
16V10
R2326
8
LOW_L-IN
9
LOW_R-IN
10K
10
A_GND
R2323
11
SUBW
39k
12
FAN
C2423
R2423
R2428
39k
0.015
R2426
15k
DPORT_AUDIO_L
10K
DPORT_GND
DPORT_AUDIO_R
R2421
C2425
D_PORT_DET1
0
16V10
A_GND
C2943
50V2.2
D_PORT_5V
D_PORT_DET2
USB_SCL-IPOD_RXD
R3412 100
ACK_IN
I_POD_LINK
USB_SDA-IPOD_TXD
+3.3V
VCC
XM_I2S
XM_LINKACTIVE
XM_MUTE(BUSY)
XM_R
A_GND
XM_L
XM_DAC_RESET
CD_3.3V
XM_TXD
XM_RST
A_GND
XM5.3V
XM_PCONT
+3.3V
XM_RXD
XM_ANT_REV
70
24
25
26
CN2809
TO
POWER
CIRCUIT
(CN5102)
IN SCHEMATIC
DIAGRAM-10
W654
0
W673
0
CN3400
1
AUDIO_L
2
A_GND
AUDIO_R
3
4
D_PORT-DET1
5
DGND
TO
6
DGND
D-PORT CIRCUIT
7
D_PORT_5V
(CN806A) IN SCHEMATIC
8
D_PORT_5V
DIAGRAM-8
D_PORT-DET2
9
10
UART_OUT
AD_CTRL
11
12
I-POD_DET
R3414
13
UART_IN
100R
R3450
R3415
47K
10k
R3109
R3112
10
10
D3100
B0ACCK000005
17
MUTE
16
12S_RATE
15
LINKACTIVE
R3108
14
AOUT_R
100
13
A_GND
12
AOUT_L
R3107
100
TO
11
DAC_RST
XM CIRCUIT (FP1)
10
D3.3V
R3105
100
IN SCHEMATIC
C3101
9
SC_RXD
1000P
R3104
100
DIAGRAM-2
8
SC_TXD
R3102
100
7
ANT_REV
R3101
100
6
DTIC_RST
5
D_GND
C3100
4
D_GND
1000p
3
D5.3V
2
D5.3V
1
PWR_CTRL
CN3100
R3121
4.7K
1/4
2/4
SA-AK450P/PC MAIN CIRCUIT
3/4
4/4
27
28
A
B
C
D
E
F
G
H
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