STR-DH550/DH750
STR-DH550/DH750
29
29
5-14. SCHEMATIC DIAGRAM – MAIN Board (6/7) –
• See page 21 for Waveforms.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MAIN BOARD (6/7)
3.3
3.3
4
1.2
3.3
3.3
3.3
1.2
1.2
1.2
0
1.2
3.3
1.2
0
0
0
0
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
1.2
0
1.2
1.2
3.1
0
1.2
0.7
3.3
1.2
0
1.2
3.8
1.2
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
3
1.2 3.3 3.2 0
1.2
2
1.2
0.8
3.3
3.3
3.3
3.3
3.3 0.1 3.3 3.3
SL/SR-IN
DSP-SPICLK
DSP-MISO
DSP-MOSI
DSP-SPICS
C/SW-IN
LRCLK-IN
C/SW-OUT
LRCLK-OUT
SBL/SBR-IN
SL/SR-OUT
BCLK-IN
SBL/SBR-OUT
DSD-IN
MCLK-IN
BCLK-OUT
DSP-NPCM
DSP-ERROR
DSP-INT
L/R-OUT
DIR-IN
C2409
0.1u
C2410
0.1u
R2410
22
R2417
22
R2418
22
R2422
22
R2424
22
R2419
22
C2412
0.1u
C2418
0.1u
R2426
22
C2421
0.1u
C2422
0.1u
C2424
0.1u
C2426
0.1u
C2427
0.1u
C2428
0.1u
C2430
0.1u
FB2400
0uH
R2415
220
R2421
330
R2429
100
R2431
100
C2419
22p
C2400
10u
C2454
10u
C2445
10u
C2448
10u
C2402
0.1u
C2406
0.1u
C2407
0.1u
C2408
0.1u
C2403
0.1u
C2404
0.1u
C2405
0.1u
R2401
22
R2402
220
R2404
220
R2405
220
R2403
22
C2401
0.1u
C2415
10p
C2444
0.1u
C2451
0.1u
C2439
0.1u
C2440
0.1u
C2432
0.1u
C2433
0.1u
C2434
0.1u
C2441
0.1u
R2439
22
R2440
22
R2437
0
R2438
0
C2438
0.1u
C2437
0.1u
C2435
0.1u
C2436
0.1u
C2452
0.1u
C2453
0.1u
C2450
220u
10V
CL2405
CL2406
+2V
3.3V
FB2402
0uH
FB2404
0uH
JL2402
JL2409
JL2408
JL2405
JL2403
JL2407
JL2411
JL2412
JL2401
JL2406
JL2410
JL2404
IC2400
ADSST-AVR-3045
1
VDD_INT
2
CLK_CFG1
3
BOOT_CFG0
4
VDD_EXT
5
VDD_INT
28
RESET_MAIN
29
VDD_INT
30
UART_OUT
71
VDD_THD
72
VDD_INT
73
VDD_INT
74
VDD_INT
75
VDD_INT
96
TCK
97
VDD_INT
98
RESET
99
TMS
100
VDD_INT
26
VDD_EXT
27
DPI_P08
6
BOOT_CFG1
7
GND
8
NC
9
NC
10
CLK_CFG0
11
VDD_INT
12
CLKIN
31
UART_IN
32
LED
33
DPI_P12
34
DPI_P13
35
DAI_P03
36
DPI_P14
37
VDD_INT
66
VDD_INT
67
VDD_INT
68
GND
69
THD_M
70
THD_P
64
VDD_INT
65
DIR_IN
91
EMU
92
TDO
93
VDD_EXT
94
VDD_INT
95
TDI
89
MLBSO
90
TRST
13
XTAL
14
VDD_EXT
15
VDD_INT
16
VDD_INT
17
RESETOUT/RUNRSTIN
18
VDD_INT
19
MOSI
20
MISO
21
SPICLK
22
VDD_INT
23
DPI_P05
24
DSP_CS
25
MD
38
VDD_INT
39
VDD_INT
40
SL/SR_IN
41
SL/SR_OUT
42
BCLK_IN
43
OPTION_L/OPTION_R_OUT
44
FRONTHI_L/R_OUT
45
VDD_INT
46
VDD_EXT
47
VDD_INT
48
L/R_OUT
49
MID/SW2_OUT
50
SBL/SBR_OUT
52
VDD_INT
53
VDD_EXT
54
MCLK_IN
55
VDD_INT
56
C/SW1_OUT
57
A/D_2CH
58
C/SW_IN
59
LRCLK_IN
60
BCLK_OUT
61
LRCLK_OUT
62
SBL/SBR_IN
63
L/R_IN
51
ZONE_L/R
77
FLAG0
78
VDD_INT
79
VDD_INT
80
FLAG1
81
FLAG2
82
FLAG3
83
MLBCLK
84
MLBDAT
85
MLBDO
86
VDD_EXT
87
MLBSIG
88
VDD_INT
76
VDD_INT
101
10k
R2443
10k
R2444
3.9k
R2455
100k
R2446
330
R2420
10k
R2458
1M
R2425
100
R2400
10k
R2407
10k
R2406
1k
R2423
22
R2408
22
R2409
22
R2412
0.1u
C2411
0.1u
C2413
0.1u
C2414
0.1u
C2416
0.1u
C2417
0.1u
C2420
10k
R2427
10k
R2432
10k
R2434
22
R2414
22
R2416
0.1u
C2423
0.1u
C2425
0.1u
C2429
10u
C2431
22
R2430
1k
R2447
10k
R2411
10k
R2413
10k
R2457
220
R2456
2.2k
R2445
X2400
25MHz
D-GND
IC2402
BD00IC0WHFV-GTR
1
VO
2
FB
3
GND
4
EN
5
NC
6
VCC
7
DSP-SPICS
DSP-MISO
DSP-SFLASH-HOLD
DSP-MOSI
DSP-SPICLK
C2443
10u
C2442
0.1u
FB2401
0uH
FB2403
0uH
10k
R2442
10k
R2435
22
R2441
22
R2448
22
R2450
22
R2452
2.2k
R2451
10k
R2449
10k
R2454
22
R2436
IC2401
W25Q80BVSSIG
1
CS
2
DO(IO1)
3
WP(IO2)
4
GND
DI(IO0)
5
CLK
6
HOLD(IO3)
7
VCC
8
DSP
IC2400
SERIAL FLASH
IC2401
+1.2V REG.
IC2402
32
>015S
MAIN BOARD
(4/7), (5/7)
(Page 27), (Page 28)
7
Note:
IC2402 on the MAIN board cannot exchange with single.
When this part on the MAIN board is damaged, exchange
the entire mounted board.
