Yamaha DP-U50 Panduan Servis - Halaman 27

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Halaman Cetak
Yamaha DP-U50 Panduan Servis
A
Q Q
3 7 6 3 1 5 1 5 0
I

BLOCK DIAGRAM

1
+3.3S
IC412
+5S1
6
L401
USB
7
IC418A
IC418B
2
COAX IN
PC
IC418C
OPT IN
SIGNAL
DETECTOR
IC418E
IC418D
AUX 1
OPT IN
DUTY CORRECT
IC401
OPT OUT
3
T E
L
1 3 9 4 2 2 9 6 5 1 3
L
11-14
10
L
INPUT
PC IN
SELECTOR
R
R
17-20
21
IC474A
LC75342M
L
AUX 1 IN
R
1, 2, 30
L
AUX 2 IN
R
4
SERIAL CONTROL
LOOP BACK
5
See page E-38/J-36
(DSP)
w w w
.
6
B
C
XL402
XL404
12MHz
+3.3S
+5S1
+3.3S
11.2896MHz
3
4
36 35
46
47
30
USB DEVICE
IRQN (USBINT)
DATA BUS
31
CONTROLLER
SOFN (USBSOF)
DMNS
29
SUSPN
DPLS
IC430
34
TXFIFO
IDCSN (USBCS)
USS-820DT
28
DUAL PORT SRAM
RWUPN
32
RESET (USBRST)
143
CI0
USB
P/S
CONV
146
CI2
SEL
143
SELB
148
YO
118
PAI13
119
PAI14
DIT
175
PAO10
EMBEDDED
ARRAY
D-RST
+5A
IC475
LC27287B
IC478A
18
5
7
106
PAI3
17
9
A/D
IC445A
IC478B
CONVERTER
3
1
2
1
16
IC477
IC478C
CS5360
6
7
10
8
13
IC478D
IC445B
12
14
14
PLL
7, 8, 12
DFS CONTROL
134-136
CFS CONTROL
137, 138, 140
CLOCK
MUX
SFS CONTROL
91, 92, 94
150-152
SERIAL I/F
SERIAL I/F
CCB
SZ
x
a o
y
i
http://www.xiaoyu163.com
D
E
8
XL403
7MHz
34
72
74
38
32
33
34
DATA BUS
USBINT
26
USBSOF
25
SUSPN
104
RXFIFO
USBCS
45
RWUPN
105
GARST
USBRST
102
CPU
36
(USBRST)
USB
S/P CONV
CPUCLK
CPUCLK
37
83
GACS
EACS
35
40
DMVDD
DMVDD
38
IC436
112
FIFOIRQ
EAINT
HD6417014
5
28
40 CAPTIN
172
PAO7
PAO9
31 32 43
30
D-RST
PAI8
PAO11
XL401
24.576MHZ
PAI15
1
2
152
MAIN DSP
16IN 12OUT
PATCH BAY
DOLBY DIGITAL
PAO9
174
14
DIR
DECODER
Q
Q
3
7
6
3
113
PAI8
48
PAO3
35
168
PAO3
101-105
XFS CONTROL
49-51, 53, 54
PAO4
169
PAO4
42
L/R
PAO5
170
PAO5
41
LS/RS
SEL
PAO6
171
PAO6
40
C/LFE
PAI7
PAI7
5
112
AC3D3
IC417
YSS928
PAI4
107
PAI4
PAI5
108
PAI5
PAI6
109
PAI6
SERIAL I/F
120-123
SERIAL CONTROL
149-151
SX
28, 29
SFS CONTROL
D-RST
+5A
SF MUTE
IC458A
24
PAO0
16
2
1
L
DAC
27
Q417
17
3
IC439
SERIAL CONTROL
AD1854
3-5
7
R
12
5
Q418
13
6
SFS CONTROL
2, 25, 26
IC458B
u 1 6 3
D-RST
+5A
MIX MUTE
.
IC454A
24
USBDAC0
1
L
16
2
27
Q410
17
3
DAC
SERIAL CONTROL
IC440
3-5
R
AD1854
12
5
7
Q411
13
6
DFS CONTROL
2, 25, 26
IC454B
E-26/J-24
http://www.xiaoyu163.com
F
2
4
9
9
8
ADDRESS BUS
DATA BUS
DC-ON
AC-DET(+12S)
POWER
DETECT/
RESET
+5D-SUB
RESET
Q416, 419
11
28
+5S1
4M FLASH ROM
IC438
15
26
RYBY
36
24
84
88
FLASHCS
41
SRAMCS
44
REM
REMOTE
85
U301
SENSOR
A/D1
91
KEY
SW301-308
P-SW
POWER
99
SW310
SW
E-A/E-B
86, 87
PS
92
SW309
(PROTECTION)
VOLUME
106 - 108, 110
MUTE CONTROL
89
POWER
FL
V301
61-64
FL DRIVER
42, 49 -51
IC301
55
D305
4M
DRAM
-21V
IC432
FL2
FL1
FUNCTION LED
D301-304
+5A
IC10
68-71
LED-PC, A1, A2, TU
I/O PORT
POW
G
L/R
38
SDOA0
DTS
LS/RS
37
SDOA1
+5D-SW (+5M)
IC11
C/LFE
36
SDOA2
POW
1
5
1
5
0
8
9
2
4
G
+15A
Q17
SUB DSP
+9V
IC12
Q26-29
PAI4
62
PAI4
G
PAI5
VIRTUAL 3D
61
PAI5
60
PAI6
BASS
PAI6
RE-DIRECTION
59
SDOB3
Q18
-15A
127
SDOB3
156
PAI4
154
PAI5
G
128
PAI6
SEL
L/R
4
SDOA0
3
SDOA1
LS/RS
-21V
Q24
157
SDOA2
C/LFE
+ 12S (AC-DET)
+5D-SUB
+2.5V
G
+5M
+3.3V
+3.3V
IC413
+2.5V
IC406
VOLUME
A-MUTE
IC473A
IC471A
IC470A
2
1
Q424
2
1
2
1
9
5
Q427
IC474B
LC75342M
m
Q423
7
7
6
7
6
6
22
26
Q428
IC470B
IC473B
IC471B
c o
IC8
3
+
IC6A
IC7A
4
2
3
6
8
5
IC6B
IC7B
G
H
DP-U50
2
9
9
29
24
SRAM
IC447
22
See page E-39/J-37
(OPE)
POW
YE
YE
Q30, 31
D15
See page E-39/J-37
(MAIN)
OR
D16
9
8
2
9
9
OR
D8
F1
RE
BE
D9
BL
BE
RE
GR
D14
IC3
BL
A-MUTE
Q420
L
PRE OUT
Q421
R
S-MUTE
SUB
8
Q19, 20
WOOFER
A-MUTE
1
Q1
PHONES
7
Q2
E-27/J-25