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アンプ Yamaha DP-U50のPDF サービスマニュアルをオンラインで閲覧またはダウンロードできます。Yamaha DP-U50 46 ページ。 Personal sound processer
Yamaha DP-U50 にも： セットアップマニュアル (47 ページ), サービスマニュアル (46 ページ)

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Yamaha DP-U50 サービスマニュアル
IC417 : YSS928
AC3D3
No.
Name
I/O
1
XO
O
Crystal oscillator connecting terminal
2
XI
I
Crystal oscillator connecting terminal (24.576MHz )
3
SELI1
I+
Built-in selector input 1
4
SELI0
I+
Built-in selector input 0
5
SELOA
O+
Built-in selector output A
6
SELOB
O+
Built-in selector output B (unconnected)
7
TESTMS
I+
Test terminal (unconnected)
8
TESTXEN
I+
Test terminal (unconnected)
9
IPORT0
I+
General purpose input terminal (unconnected)
10
IPORT1
I+
General purpose input terminal (unconnected)
11
IPORT2
I+
General purpose input terminal (unconnected)
12
IPORT3
I+
General purpose input terminal (unconnected)
13
IPORT4
I+
General purpose input terminal (unconnected)
14
DDIN0
Is
DIR: Digital audio interface data input terminal 0
15
DDIN1
Is
DIR: Digital audio interface data input terminal 1/General purpose input terminal
16
DDIN2
Is
DIR: Digital audio interface data input terminal 2/General purpose input terminal
17
DDIN3
Is
DIR: Digital audio interface data input terminal 3/General purpose input terminal
18
VSS
Ground terminal
19
CPO
A
PLL filter connecting terminal
20
AVDD
+3.3V power terminal (for DIR)
21
DIRPCO
A
DIR: PLL filter connecting terminal
22
DIRPRO
A
DIR: PLL filter connecting terminal
23
AVSS
Ground terminal (for DIR)
24
TESTBRK
I+
Test terminal (unconnected)
25
TESTR1
I+
PLL initialization signal input terminal for DSP
26
TESTR2
I+
Test terminal (unconnected)
27
VDD1
+3.3V power terminal (for terminal section)
28
SDWCKI0
I+
Word clock input terminal for SDIA, SDOA, SDIB, SDOB interface
29
SDBCKI0
I+
Bit clock input terminal for SDIA, SDOA, SDIB, SDOB interface
30
/SDBCK0
O
DIRBCK or SDBCKI0 invert clock output terminal (unconnected)
31
IPORT8
I+
IPINT general purpose input terminal (unconnected)
32
IPORT9
I+
IPINT general purpose input terminal (unconnected)
33
IPORT10
I+
IPINT general purpose input terminal (unconnected)
34
IPORT11
I+
IPINT general purpose input terminal (unconnected)
35
SDIA
I
AC-3/DTS bit stream (or PCM) data input terminal to Main DSP
36
SDOA2
O
PCM output terminal from Main DSP (C/LFE output)
37
SDOA1
O
PCM output terminal from Main DSP (LS/RS output)
38
SDOA0
O
PCM output terminal from Main DSP (L/R output)
39
SDIB3
I+
PCM input terminal 3 to Sub DSP (unconnected)
40
SDIB2
I+
PCM input terminal 2 to Sub DSP
41
SDIB1
I+
PCM input terminal 1 to Sub DSP
42
SDIB0
I+
PCM input terminal 0 to Sub DSP
43
VSS
Ground terminal
44
VDD2
+2.5V power terminal (for internal circuit)
45
IPORT12
I+
IPINT general purpose input terminal (unconnected)
46
IPORT13
I+
IPINT general purpose input terminal (unconnected)
47
IPORT14
I+
IPINT general purpose input terminal (unconnected)
48
DIRSDO
O
AC-3/DTS bit stream (or PCM) data output terminal from DIR
49
DIRWCK
O
DIR: Serial data word clock (fs) output terminal
50
DIRBCK
O
DIR: Serial data bit clock (64fs) output terminal
51
DIRMCK
O
DIR: Serial data master clock (256fs or 128fs) output terminal
52
ERR/BS
O
DIR: Data error detect output/block start output terminal
53
SYNC/U
O
DIR: Serial data synchronous timing output/user data output terminal
54
FS128/C
O
DIR: Serial data master clock 128fs output/channel status output terminal
55
DBL/V
O
DIR: Double rate clock output/validity flag output terminal
Function
DP-U50
(SDOA1)
(SDOA0)
(PAI7)
(PA09)
(GND)
(GND)
(GND)
(/D_RST)
(SFS)
(S64F)
(PA03)
(SDOA2)
(SDOA1)
(SDOA0)
(PA06)
(PA05)
(PA04)
(PAI8)
(XFS)
(X64FS)
(X256FS)
(DIRERR)
(XSYNC)
(X128FS)
(DBL/V)
16