5-14. SCHEMATIC DIAGRAM – MAIN Board (6/7) –
1
2
3
A
MAIN BOARD (6/7)
B
C
FB2402
D
E
C2400
C2401
JL2408
C2402
JL2409
R2406
F
JL2410
R2407
R2400
JL2411
C2406
C2407
C2408
G
SL/SR-IN
R2401
SL/SR-OUT
R2402
BCLK-IN
R2403
C2403
C2404
C2405
H
L/R-OUT
R2404
SBL/SBR-OUT
R2405
I
J
K
STR-DH550/DH750
• See page 21 for Waveforms.
4
5
6
X2400
25MHz
C2415
JL2401
R2423
C2419
10p
1k
22p
FB2404
0uH
0uH
JL2412
3.3
3.3 1.2 3.3 3.2 3
1.2 3.2 1.2 1.2 3.3 1.6 1.6 1.2 0
10u
0.1u
3.3
VDD_EXT
26
DPI_P08
27
4
RESET_MAIN
0.1u
1.2
28
VDD_INT
29
3.3
UART_OUT
10k
30
3.3
UART_IN
31
10k
3.3
LED
32
100
DPI_P12
33
DPI_P13
34
DAI_P03
35
DPI_P14
IC2400
0.1u
1.2
36
VDD_INT
ADSST-AVR-3045
0.1u
37
1.2
IC2400
VDD_INT
38
0.1u
1.2
VDD_INT
DSP
39
22
0
SL/SR_IN
220
0
40
SL/SR_OUT
22
41
7
0
BCLK_IN
42
OPTION_L/OPTION_R_OUT
43
FRONTHI_L/R_OUT
0.1u
1.2
44
VDD_INT
0.1u
45
3.3
VDD_EXT
46
0.1u
1.2
VDD_INT
47
220
0
L/R_OUT
48
MID/SW2_OUT
49
220
0
SBL/SBR_OUT
50
51
52 53 54 55 56 57 58 59 60 61 62 63
64 65
66 67 68 69 70
1.2 3.3 1.7 1.2 0
1.2 0
1.6 1.6 1.6 0
1.2 1.2 1.2 1.2 1.2
1.5 1.4 3.3 1.2 1.2 1.2 1.2
JL2402
7
8
9
10
JL2405
C2444
C2445
0.1u
10u
C2448
C2450
220u
10u
10V
3
1.2 3.3 3.2 0
1.2
101
R2446
100k
C2435
0.1u
VDD_INT
100
1.2
TMS
C2436
0.1u
99
JL2406
RESET
98
3.8
C2437
0.1u
R2447
VDD_INT
1k
97
1.2
TCK
96
0
R2411
TDI
10k
95
C2438
0.1u
VDD_INT
94
1.2
C2439
0.1u
VDD_EXT
93
3.3
TDO
92
EMU
91
TRST
90
0.7
R2437
0
R2413
MLBSO
10k
89
C2440
0.1u
VDD_INT
88
1.2
MLBSIG
87
C2432
0.1u
VDD_EXT
86
3.3
R2438
0
R2443
MLBDO
10k
85
MLBDAT
84
MLBCLK
R2444
83
10k
FLAG3
82
R2439
22
DSP-NPCM
FLAG2
81
0
R2440
22
DSP-ERROR
FLAG1
80
3.1
C2433
0.1u
VDD_INT
79
1.2
C2434
0.1u
VDD_INT
78
1.2
FLAG0
77
0
DSP-INT
C2441
0.1u
VDD_INT
76
1.2
R2445
2.2k
71 72 73 74 75
29
29
11
12
13
14
CL2405
3.3V
R2458
7
10k
1
6
2
VO
VCC
2
IC2402
5
1.2
R2455
FB
NC
BD00IC0WHFV-GTR
3.9k
3
0.8
4
3.3
GND
EN
CL2406
R2456
+2V
220
IC2402
C2452
C2453
C2454
+1.2V REG.
C2451
R2457
0.1u
0.1u
10u
0.1u
10k
D-GND
32
FB2403
0uH
FB2401
0uH
C2443
10u
R2454
10k
R2452
22
DSP-SPICLK
R2451
2.2k
DSP-MOSI
R2450
22
R2449
10k
DSP-SFLASH-HOLD
R2448
22
C2442
0.1u
3.3 0.1 3.3 3.3
8
7
6
5
IC2401
W25Q80BVSSIG
IC2401
SERIAL FLASH
1
2
3
4
3.3
3.3
3.3
DSP-MISO
R2442
10k
R2441
22
DSP-SPICS
R2436
22
R2435
10k
Note: IC2402 on the MAIN board cannot exchange with single.
When this part on the MAIN board is damaged, exchange
the entire mounted board.
STR-DH550/DH750
15
16
17
>015S
MAIN BOARD
(4/7), (5/7)
(Page 27), (Page 28)