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IC BLOCK DIAGRAM & DESCRIPTION
IC471,491 NJM2058V(Op. Amp.)
1
2
3
4
11
12
13
14
A OUTPUT
A +INPUT
V+
C+INPUT
A INPUT
B INPUT
D+INPUT
V
D INPUT
D OUTPUT
A
D
5
6
7
8
9
10
B+INPUT
B OUTPUT
C INPUT
C OUTPUT
B
C
IC801 AT24C02N-10SI(EEPROM)
1
5
6
7
2
3
4
8
Vcc
GND
WP
SCL
SDA
A
2
A
1
A
0
START
STOP
LOGIC
LOAD
DEVICE
ADDRESS
COMPARATOR
COMP
LOAD
INC
EN
SERIAL
CONTROL
LOGIC
DATA WORD
ADDR/COUNTER
Y DEC
H,V. PUMP/TIMING
E PROM
2
SERIAL MUX
DATA RECOVERY
X DEC
D
OUT
/ACK
LOGIC
D
IN
D
OUT
R/W
IC802 PST3627U(Reset)
OUT
GND
V
DD
C
D
2
1
GND
1
V
DD
OUT
C
D
2
4
3
3
4
R
D
Vref
PIN No.
1
2
3
4
PIN NAME
GND
V
DD
C
D
OUT
FUNCTIONS
GND Pin
V
DD
Pin / Voltage Detect Pin
Capacitor Connect Pin with Delay
Reset Signal Output Pin
IC850 PQ2L2182MS(Regulator)
3
1
5
4
2
CONTROL
IC412 KA7805R(Regulator)
CURRENT
GENERATOR
REFERENCE
VOLTAGE
STARTING
CIRCUIT
ERROR
AMPLIFIER
SOA
PROTECTION
THERMAL
PROTECTION
SERIES
PASS
ELEMENT
1
INPUT
3
OUTPUT
2
GND
IC450 KIA4558F(Op. Amp.)
4
3
2
1
5
6
7
8
+IN B
-IN B
OUT B
V
CC
V
EE
+IN A
-IN A
OUT A
+
-
+
-
A
B
IC462,472,482 LM4766(Audio Power Amp.)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Vcc B
NC
+ In B
- In B
Mute B
GND B
NC
+ In A
- In A
Mute A
GND A
V
EE
Out A
Vcc A
Out B
7
3
-In A
8
+In A
Out A
Amp A
13
1
+In B
12
6
11
-In B
Out B
Amp B
Mute
A
Mute
B
