8
DGX-220/YPG-225
■
BLOCK DIAGRAM
+V
+3.3D
37
+3.3D
37
+3.3D
N11-N16,
N21-N26
B1-B14
SD0
SYSCK
BCLK
WCLK
MA01-22
MD00-15
MD01-22
MD00-15
MD01-18
MD00-15
MD01-09
MD00-15
IC501(16P)
IC203(48P)
IC401
(16P)
IC402
(16P)
IC206(48P)
IC204(44P)
IC502(8P)
Rch
Lch
IC102
IC103
IC101
PE3-6
+2.5D
+3.3D
+5D
+V
fc=27KHz
+3.3D
+5D
+2.5D
+V
MASTER
VOLUME
A5K
+3.3V
+2.5V
REGULATOR
REGULATOR
+5V
REGULATOR
SW151
STAND
BY/ON
R
L
WOOFER R
12cm
4
WOOFER L
12cm
4
SPEAKERS
+
-
+
+
-
-
TWEETER R
3cm
TWEETER L
3cm
PHONES
/OUTPUT
BATTERIES
(1.5V x 6)
USB
JK854
JK855
SUSTAIN
LD601
IC802
(64P)
IC301
(128P)
16.9344MHz
IC302(5P)
X301
X801
Rotary Encoder
EC781
VR751
PITCH BEND
BACK LIGHT
PB0-PB7
PB0-PB7
J851
FG
PA0-PA3
PF0
PA0-PA7,
PA0-PA7
PA4-PA7
PB0-PB7
PB0-PB7
PA0-PA7,
RS,ENB
AN2
SP_R
SP_R
VR551
SDI
IC801
(10P)
41
9
2
63
25,26
64
16
117
12,13
12,13
8
1
+5D
33
+3.3D
+3.3D
5
+3.3D
TR701-704
IC601(80P)
BATT CHECK
38K0
AN1
6MHz
RESET
DATA ENTRY
RXD0
TXD0
IRQ0
RXD1(EN/A), SCLK1(EN/B)
PF0
VBUS
D+
D-
AN7
AN0
USB
+
-
JK551
PA-5D
JK151
DC IN 12V
-
+
IC151(4P)
+6V
REGULATOR
AMJK
5/6
+
+
-
8
7
2
6
1
14
+3.3D
16
4,15,46,
89,119
24,66,
90,120
8
7
-
(AMJK 3/6)
TWR
(PN 4/5,5/5)
TWL
(PN 4/5,5/5)
AMJK
4/6
PB
(AMJK 6/6)
AM
(AMJK 1/6)
(PN 3/5)
(PN 1/5)
DMLCD
SW
MATRIX
SW
MATRIX
LED
LCD
DISPLAY
LED
DRIVER
LED
DRIVER
USB
CPU
LCD
DRIVER
CPU+XG
24bit
DAC
ADC
4M
DRAM
4M
FLASH
ROM
64M
ROM
PROG/
WAVE
DECODER
Keyboard
76KEY(16N)
BUFFER
/LPF
RESET
+3.6V
50mS
PN
2/5
PNL
PNR
MK-76L
MK-76H
CN802(9P)
CN803(9P)
CN782(3P)
CN785(3P)
CN703(16P)
CN784(16P)
CN781(16P)
CN3(12P)
CN2(12P)
(C#3~G6)
(E0~C3)
CN152(2P)
CN701(16P)
CN101(13P)
CN155(13P)
CN405(8P)
CN783(3P)
CN855(3P)
CN404(6P)
CN4(12P)
CN5(6P)
CN1(8P)
CN401(12P)
CN153(4P)
CN154(4P)
CN854(9P)
CN558(2P)
CN557(2P)
CN554(2P)
CN553(2P)
CN151(2P)
28CA1-2001002837
CN551(5P)
CN552(5P)
POWER AMP
6W x 2
BTL
LA4625
IC551(14P)
13
11
9
1
L CH
+V
R CH
6
8
14
1,6,22