Roland V-Synth XT, Заметки по обслуживанию

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37
MAY.2005 V-SynthXT
BLOCK DIAGRAM
fig.block.eps
VR11
(+6dB)
(LPF)
X1
L2
(x12)
DC+5V
BOARD
Downstream
IC12
IC65
IC38
IC41
4Mbit
32
256Mbit
VR9
TX
IC96
+
&Buffer
LCD
32
(MIC_BOARD)
BOARD
1536fs
MCK
PANEL
-
L1
(INPUT)
(Phantom
DAC
(Audio/MIDI)
IC42
DC/DC
VOLUME
HUB
IC10
VR10
I/O
MAIN
BackLite
IC19
MIC
(PEAK)
X3
-
(BootSystem)
256fs
COLOR
(DAI)
LINE
Ctrl
CORE
SDRAM
(LPF)
TX
X1
IC98
8kbit
DRIVER
IC68
IC9
DAI/MIDI
OUT
IC6
BOARD
3.3V/5V
BOARD
(FileStorage)
PORT
CN4
Power)
+
X2
IC66
11.2896MHz
XY-Sensing
POWER
18
JK2
5Vto48V
IC95
Processor
-
Downstream
IC69
(Slave)
IC99
OUT
Buffe
r
SRC
Encoder
+
Lo-Z
1
MIDI-THRU
(Vref
IC89
M66291GP
LCD
IC11
LED
-
EEPROM
MIDI-OUT
(0/+12dB)
INPUT
IC82
(Slave)
-
JK1
FLASH
JK9
DIRECT
INVERTER
JACK
H8_Ctrl
BOARD
Reset
DECODER
forA/D)
(LPF)
(PCM_Bridge)
Logic
(DIRECT)
XLR
Bus
44.1K/24bit
Switches
Communication
+
+
IC14
15
L26
IC5,8,9,10
JK9
I/F
R
(Buzzer)
Module
System
(x6)
MCLK
AUDIO
(LPF)
USBC
256Mbit
64Mbit
POWER
IC17
I2C
(Total_EFX)
PPC
ENCODER
L(MONO)
Input
AC-IN
LEDs
Sys.Param.
XR16L580IL
16
IC15
DC/DC
(x6)
POWER
LCD
PORT
IC7
JK7
AK4528
RX
16
Audio
PANEL
I/O
Hi-Z
Program
XRST
266MHz
AK4393
-
(Serial_I/O)
JK12
Input
CONT
R
IC1
BOARD
(INPUT
IC3
MAIN
PHONES
5Vto1.55V
10
15Vto5V
(+6dB)
4
67.7376MHz
IC4
IC64
133MHz
CS8420
IC2
LRCK(Sync.Out)
Digital
BCK,LRCK,AD,DA
H8_Ctrl
IC18
Ballance
ENCODER
Bus
(MainMemory)
320x240
UART
16W
JK3
JK4
NORMAL
dBu(Typ.)
A/D
PEAK
ENABLE)
PC-CARD
PORT
+
Bus
Knobs
(Storage)
Photo
x4
DECODER
CODEC
44.1K/48K/96K
OPT-OUT
BOARD
Output
IC7
Bus
TUSB-System
1/2
IC10
IC1
SW
JK5
DSP
SSOC
SUPPLY
Regulator
L18
ESP4
8
DRAM
TUSB3200
16
FLASH
I/F
5.7"
32
COAX.-IN LINE
Output
(MAIN)
+
Upstream
IC44
1/2
16
Regulator
Hi-Z
System
I/F-Logic
DC+15V/-15V
MIDI_TX
BOARD
+
3.3V/5V
OPT-IN
PANEL
(OPT/COAX)
JK11
-50 to -10
DIAGRAM
RX
SWITCH
8
Touch
(MIC
SDRAM
8
PLL
DC/DC
NAND
IC2
8
LED
Serial
PORT
R
INPUT
Ballance
H8/3061
33.25MHz
JK8
with
DETECT
IC22
TRS
TX
SH7750R
BOARD
ENABLE)
IC70
(Master)
Switches
ICS512
IC40
CPU
NOR
15Vto5V
+
L
PHANTOM-ON
-
S1D13705
B184
INLET
I/O
IC13
A/D
100-240V
IC6
Bus
Panel
CN5
dBu(Typ.)
SP1
256Mbit
SWITCHING
IC4
5Vto3.3V
SH7750
EEPROM
DRIVER
-
IC37
MIDI-IN
x1
JK6
LCDC
JK1
1/2
DSP
Touch
66.5MHz
Panel
-36 to +4
MOD1
IC33
L19
IC9
IC100
IC5
64kbit
50/60Hz
IC16
SW3
IC39
Cuplr
L
USB
(SUB_CPU)
COAX.OUT
AT43301
CARD
USB-MIDI
IC10
INVERTER
-
Bus
KCG057QV1DB-G00
BLOCK
5V-3.3V
+
ON/OFF
R+
R- R-
+5
D
L-
R
1.55V
RTS
A
TX
R-
L
+5
D
L+
D
VR5V
R-
R-
D
SELECT
D
R-
L+
A
L+
48V
RX
+5
D
R
CTS
L+
A
D
+ 15
INPUT
R
+ 15
L-
+5
D
L+
R+
MUTE L-
D
MIDI_RX
R+
+5
D
A
A
TX L-
D
D
COAX_RX
R
L
RX
A
R-
L-
+5
D
INPUT
CONT
A
ON/OFF
L-
D
A
3.3V
R+ R+
D
D
L+
L
RX
DAVCC
L
A
TX
A
OPT_RX
L-
D
A
R+
+5
D
MIC_MIX
DC+48V
1
2
3
4
1
2
3
4
2
1
T
R
S
FG
2
3
1
4
5
6
7
24.576MHz
12
11
13
1 2
1 2
12
11
13
1
2
3
4
12
11
13
1 2
1
2
3
4
20.00MHz
10K
2
1
EN
A B
1 2 3
4 5
12
11 13
V
G
O
2
1
3
2
1
10K
6.00MHz
1
2
3
4
1
2
3
4
5
7
8
12.00MHz
1
2
3
IN
2
45
2
5
44
2
5
OUT
THRU
12
14
15
19
10
22
24
25
29
20
32
34
35
39
30
40 50 60 70
1
2
3
4
12
11
13
22.17MHz
I
V
G
1
2
3