Sanyo DC-PT80 - Page 21

- 20 -
IC BLOCK DIAGRAM & DESCRIPTION
4
3
2
1
5
6
7
8
+IN2
-IN2
OUT2
V
CC
GND
+IN1
-IN1
OUT1
+
-
+
-
1
2
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
IC171,602 PST3627U(Op. Amp.)
IC132 BA10358F(Dual Operation AMP.)
2
1
24
17
16
3
4
5
6
18
15
7
8
9
10 11
14
19
20
21
22
13
Vssx
XIN
XOUT
FMIN
AMIN
CE
DI
CL
DO
V
DD
Vssd
PD
AIN
AOUT
Vssa
IFIN
IO1
IO2
BO1 BO2 BO3 BO4
PHASE DETECTOR
CHARGE PUMP
UNLOCK
DETECTOR
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
SWALLOW COUNTER
1/16, 1/17 4bits
12bits PROGRAMMABLE
DIVIDER
DATA SHIFT REGISTER LATCH
1/2
CCB
I / F
POWER
ON
RESET
IC241 LC7212M(PLL)
6
1
12 3
2
5
7
8
9
4
IN1
NF1
IN2
NF2
B.S.1
OUT-1
B.S.2
OUT-2
Ripple
ch-1
10
11
ch-2
GND
Vcc1 Vcc2
BIAS CIRCUIT
THERMAL SHUT DOWN
PROTECTION CIRCUIT
IC442 KIA6282K(Power AMP.)