IC BLOCK DIAGRAM
IC102 BA6398FP (POWER DRIVER)
No.
Designation
Description
No. Designation
Description
1 CH1-OUT A Driver CHl negative output
15 OP IN (-)
Operation amplifier negative intput
2 CH1-OUT B
Driver CH1 positive output
16 OP IN (+)
Operation amplifier positive intput
3 CH1-IN A
Driver CH1 input
17 CH3-OUT A Driver CH3 negative output
4 CH1-IN B
Input terminal for adjustment driver CHI gain
18 CH3-OUT B
Driver CH3 positive output
5
Tr-B Connects external Tr base
19
CH3-IN A
Driver CH3 input
6
Vreg OUT Connects external output
20
CH3-IN B
Input terminal for adjustment driver CH3 gain
7
MUTE Mute control terminal
21
Vcc
Power terminal
8 GND
GND
22 Vcc
Power terminal
9 CH2-IN B
Input terminal for adjusting driver CH2 gain 23
BIAS IN
Bias amplifier input terminal
10 CH2-IN A
Driver CH2 input
24
CH4-IN B
Input terminal for adjusting driver CH4 gain
11 CH2-OUT B Driver CH2 negative output
25 CH4-IN A
Driver CH4 input
12 CH2-OUT A
Driver CH2 positive output
26 CH4-OUT B Driver CH4 positive output
13 GND Substrate GND
27 CH4-OUT A Driver CH4 negative output
14 OP OUT
Operation amplifier output
28 GND
Substrate GND
CH& CHL.
CH&-
CH&. BIAS
CH3- CH3.
cH3-
cn3-
OP
GNo CUT A OUT B
IN A
IN B IN
Vcc
Vcc IN B
IN A
OUT B OUT A
IN(+) 1
D
Sw
\’
m-
1
+.,
<’”MUTE v
)
+
?
cHl -
cnl - CHl -
CHl -
TWB W?EG WT E
GNO
CH2-
cH2-
CH2-
CH2. GNO
OP-OUT
OUT A OUT B IN A
IN B
Ou T
IN B IN b
OUT B OUT A
T.S. D ; THERMAL SHUT DOWN
D.BUF; DRIVE BUFFER
ICI 06 NJM4558D (Buffer Amplifier)
?!3
A OUTPUT 1
8 VCC(+)
A
-+
A -INPUT 2
7
B OUTPUT
B
+-
A +INPUT 3
6 B -INPUT
VEE(-) 4
5
B +INPUT
-55-