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CIRCUIT DIAGRAM
1
2
3
KEP‑545
PANEL
A
B
C
5V
CN1
S5B‑PH‑K‑S
SIG1
1
+5V
2
3
GND
4
SIG2
5
SIG3
D
5G
5V
CN2
E
S4B‑PH‑K‑S
1
+5V
●
2
GND
R3
3
+5V
102R
VOL
4
●
1
2
1
F
2
5G
5G
5G
G
(2‑9F)
PNLSS
(2‑9F)
PACK
(2‑9E)
PWAIT
(2‑9F)
PNLSCK
H
(2‑9F)
PNLSDI
(2‑9F)
PNLSDO
I
1
2
3
KEP‑545
PANEL
A
B
C
D
●
1
CN3
2
S10B‑PH‑K‑S
E
GND
1
+3.3V
2
+5V
3
EM1
B601
PWAIT
1
2
4
EM2
B601
PACK
1
2
5
PNLSS
6
PNLSCK
7
F
PNLSDI
8
EM3
B601
PNLSDO
1
2
9
FG
10
FG
5G
G
H
I
4
5
6
7
5V
1
U1
BD5239G
3.9V
2
1
VOUT
●
5V
5
C.T.
2
2
2
1
VDD
●
4
N.C.
3
GND
●
2
1
1
●
1
2
C3
103C/50V
5G
●
U2
PIC16F1933‑I/SO
1
28
～ＭＣＬＲ／Ｖｐｐ
RB7/PGD
2
RA0/AN0
27
●
RB6/PGC
3
26
RA1/AN1
RB5
4
25
RA2/AN2/Vref‑/CVref
RB4
5
24
RA3/AN3/Vref+
RB3/PGM
6
23
RA4/T0CKI/C1OUT
RB2
7
ＲＡ５／ＡＮ４／～ＳＳ／Ｃ２ＯＵＴ
22
RB1
8
Vss
21
RB0/INT
9
20
OSC1/CLKI
Vdd
10
19
OSC2/CLKO
Vss
11
RC0/T1OSO/T1CKI
18
RC7/RX/DT
12
RC1/T1OSI/CCP2
17
RC6/TX/CK
13
RC2/CCP1
16
RC5/SDO
14
RC3/SCK/SCL
15
RC4/SDI/SDA
4
5
6
7
U3(5/5)
TC74HC08AF
7
V‑
1
2
●
C13
104C/25V
5G
U3(1/5)
TC74HC08AF
3
3.3V
5V
●
●
●
U3(2/5)
TC74HC08AF
1
1
1
2
2
2
6
●
●
5G
5G
●
●
1
2
1
2
5G
5G
U3(3/5)
TC74HC08AF
10
9
●
●
●
1
2
2
1
5G
5G
●
●
1
2
2
1
U3(4/5)
TC74HC08AF
5G
5G
11
8
9
10
●
●
●
●
1
1
1
1
2
2
2
2
●
●
●
5G
●
●
●
●
●
●
1
1
1
1
●
2
2
2
2
●
●
●
5G
●
5V
●
●
1
1
2
2
●
5G
5G
1
2
LCDCS1
(2‑12F)
LCDRS
(2‑12F)
LCDRES
(2‑12F)
LCDSI
(2‑12F)
LCDSCK
(2‑12F)
8
9
10
5V
14
V+
●
5V
1
1
2
2
●
●
5V
1
4
2
5
●
●
PWAIT
(1‑3H)
PACK
(1‑3G)
PNLSS
(1‑3G)
PNLSCK
(1‑3H)
PNLSDI
(1‑3H)
PNLSDO
(1‑3H)
EM4
B601
8
1
2
5V
1
13
2
12
●
●
– 62 –
11
12
13
14
SW1
D1
SW2
D2
KSHC612AT
1SS133
KSHC612AT
1SS133
KSHC612AT
1
2
1
2
1
2
1
2
●
●
(SPLIT)
(DUAL)
●
●
SW13
D13
SW14
D14
KSHC612AT
1SS133
KSHC612AT
1SS133
KSHC612AT
1
2
1
2
1
2
1
2
●
●
(PIANO)
(OTHERS)
●
●
SW10
D10
SW11
D11
KSHC612AT
1SS133
KSHC612AT
1SS133
KSHC612AT
1
2
1
2
1
2
1
2
●
●
(METRONOME)
(PLAY/STOP)
●
●
SW7
D7
SW8
D8
KSHC612AT
1SS133
KSHC612AT
1SS133
KSHC612AT
1
2
1
2
1
2
1
2
（ ↓ ）
(EFFECT)
●
●
LED1
LED2
3105VGT
3105VGT
1
2
1
2
●
●
LED13
LED14
3105VGT
3105VGT
1
2
1
2
●
●
●
LED10
LED11
3105VGT
3105VGT
1
2
1
2
●
●
●
●
LED7
3105VGT
1
2
●
●
1
1
2
2
3
Q2
2
DTC143EK
23
3
1
Q1
2
DTC143EK
23
1
5G
5G
11
12
13
14
R26
222R
(1‑9H)
LCDSI
1
2
●
R27
222R
1
2
(1‑9H)
LCDCS1
R28
222R
1
2
R29
222R
(1‑9H)
LCDRES
1
2
R30
222R
1
2
1
1
(1‑9H)
LCDRS
(1‑9H)
LCDSCK
2
2
15
16
SW3
D3
1SS133
1
2
1
2
●
(MENU)
SW15
D15
SW6
D6
1SS133
KSHC612AT
1SS133
1
2
1
2
1
2
1
2
●
●
(MUSIC)
（ → ）
●
SW12
D12
SW5
D5
1SS133
KSHC612AT
1SS133
1
2
1
2
1
2
1
2
●
●
(REC)
（ ↑ ）
●
SW9
D9
SW4
D4
1SS133
KSHC612AT
1SS133
1
2
1
2
1
2
1
2
(REVERB)
（ ← ）
●
LED3
3105VGT
1
2
LED15
3105VGT
1
2
LED12
3105VRT
RED
1
2
●
LED9
3105VGT
1
2
●
1
2
3
Q3
2
DTC143EK
23
1
5G
15
16
3.3V
5V
●
●
1
1
2
2
CN4
5G
5G
S8B‑PH‑K‑S
1
GND
2
+5V
3
LCDSI
4
+3.3V
5
LCDCS1
●
6
LCDRES
●
7
LCDRS
●
8
LCDSCK
●
1
1
1
2
2
2
5G
●
●
●
●
5G
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