Casio CTK-630 Manuale Utente
— 9 —
LG
DSP
LSI101
HG51B227FB
LVDD
PB0 ~ PB4
IC103
BA612
LED Driver
LC0 ~LC4
Q110 ~ Q117
LED Driver
PA0 ~ PA7
La ~ Lg, Lp
POWER AMPLIFIER (IC101: LA4598)
The power amplifier is a two-channel amplifier with standby switch.
The following table shows the pin function of IC101.
The following table shows the pin function of IC101.
LED DRIVING
Pin No.
Terminal
In/Out
Function
1
Power GND
In
Ground (0V) source
2
Ch1 B.S.
—
Terminal for a bootstrap capacitor
3
Ch1 OUT
Out
Channel 1 output
4
VCC
In
+9V source
5
Ch1 N.F.
In
Negative feedback input
6
Ch1 IN
In
Channel 1 input
7
D.C.
—
Terminal for a decoupling capacitor
8
Pre GND
In
Ground (0V) source
9
Stand by
In
Power control signal input. 0 V: Off, +9 V: On
10
Ch2 IN
In
Channel 2 input
11
Ch2 N.F.
In
Negative feedback input
12
Ch2 OUT
Out
Channel 2 output
13
Ch2 B.S.
—
Terminal for a bootstrap capacitor
14
NC
—
Not used