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DGX-220/YPG-225 OVERALL CIRCUIT DIAGRAM (DMLCD)
DGX-220/YPG-225
DGX-220/YPG-225
DGX-220/YPG-225
(セ) :Ceramic Capacitor
Note: See Parts list for details of circuit board component parts.
■
WARNING
Components having special characteristics are marked and
must be replaced with parts having specification equal to those originally installed.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
<Page1>
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A
B
C
D
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O
O
2.7V:
±
1.2VP-P
DAC Max. output
±
1.375VP-P
Not installed
Not installed
Not installed
Not installed
Not installed
Not installed
Not installed
Not installed
Not installed
BA33BC0FP
(X5889A00)
REG3.3V
1
2
3
1. INPUT
2. GND
3. OUTPUT
DMLCD: IC102
RH5RZ25CA-T1-F
(X3679A00)
REG2.5V
1
2
3
1. GND
2. INPUT
3. OUTPUT
DMLCD:IC103
NC
to PNL(PN 3/5) CN-784
<Page2 B-6>
to PNR(PN 1/5) CN-781
<Page2 B-2>
to AM(AMJK 1/6) CN-155
<Page2 J-7>
to MK-76H CN-1
<Page2 G-3>
to MK-76L CN-5
<Page2 G-5>
to MK-76L CN-4
<Page2 G-4>
to USB(AMJK 3/6) CN-854
<Page2 H-9>
NC
NC
NC
to USB(AMJK 3/6)
<Page 2 H-8>
CPU+XG
64M MASK ROM
(PROG/WAVE)
4M FLASH ROM
4M DRAM
LED DRIVER
REGULATOR
+5V
REGULATOR
+3.3V
REGULATOR
+2.5V
RESET
LCD DRIVER
LCD
Not installed
USB CPU
ADC
DAC
OP AMP
DECODER
ï
RH5RZ50CA-T1-F
(X6959A00)
REG5V
1
2
3
1. GND
DMLCD:IC101
2. INPUT
3. OUTPUT
Not installed
Not installed
Not installed
Not installed
Not installed
Not installed
Not installed
Not installed
Not installed
28CC1-2001002838
2
Fc=27KHz, Gain +6dB
DMLCD