Block Diagram - Roland V-Synth XT Service Notes

MAY.2005

BLOCK DIAGRAM

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