–
Electrical.Drawing.
1 –
A
B
C
D
E
F
G
H
I
J
K
A
B
C
D
E
F
G
H
I
J
K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
GP-ATX(-f) Block Diagram (1/1)
GP-ATX-f only
Aset KKB-036
Bset KKB-037
KEP-099 MIDI/USB
KEP-272 PWSW/VOL
16*2
LCD
AC IN
KEP-271
P.S. +12V
ANALOG
/12V
P.S. +5V
+5V
KEP-277
INLET
PS-154
AC ADAPTER
KEP-268 PANEL
KEP-326CPU
FlashROM(512M)x2
KP588-FFFW
KP589-FFFW
MPU
MB91302
RESET
BD5245G-TR
17.0
MHz
33.8688
MHz
8
REGULATOR
μ
PC2933AHF
DIGITAL
+3.3V
D5V
SDRAM
64Mbit
16
16
TONE GENERATOR
K022-FP
MASTER
SRAM
2Mbit
SRAM
2Mbit
SOUND SOURCE
K022-FP
SLAVE
8
16
8
8
16
8
4
BUF
BUF
24bit
D/A
AK4393
FlashROM
8M
KP590-F9FP
PEDAL
PIC16F873(KP547-F2DP) or
PIC16F870(KP550-F1DP)
Power SW
&VOLUME
KEP-273
PILOT LAMP
KEP-269
LINE I/O
KEP-270
HP OUT
KEP-267 TOUCH LSI
KEYBOARD SENSOR
(The sensor used is as follows. )
MIDI/USB
switch
EQ
MIXER
HEADPHONE
AMP
RELAY
REGULATOR
TAR5S15U
DIGITAL
+1.5V
D5V
FPGA
A3P060
RELAY
LINE IN
LINE OUT
HEADPHONE
D3.3V
MPU
M38K07M4
-056HP
8MHz
MIDI
USB
MUTE CIRCUIT
16MHz
6MHz
KEP-276
AMP
KSTR-001
FE126E
KS02-003
FE126E
amp
■