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IC DESCRIPTION -2/3 (IR3R58M -1/2)
Pin No.
Pin Name
1
RF1
2
RF2
3
RF3
4
RF4
5
REFI
6
REFO
7
AOUT
8
ASW
9
AIN
10
BIN
11
BSW
12
BOUT
13
EOUT
14
ESW
15
EIN
16
FIN
17
FSW
18
FOUT
19
EOUT
20
BOUT
21
AOUT
22
TCGO
23
TCGI
24
RFADD
25
DTEMP
26
SGAIN
27
DISC
28
OPICPW
29
VCC2
30
WBO
31
GND2
32
ADIPO
33
ADIPNF
34
ADAGC
35
ADAGI
36
2?1
37
EFMO
38
DCNF
39
EFMAGC
40
VCC1
41
BIAS
42
GND1
43
NIN
I/O
I
RF signal input terminal 1 RF signal output of a pickup is inputted.
I
RF signal input terminal 2 RF signal output of a pickup is inputted.
I
RF signal input terminal 3 RF signal output of a pickup is inputted.
I
RF signal input terminal 4 RF signal output of a pickup is inputted.
I
Standard voltage amplifier input terminal
O
Standard voltage amplifier output terminal
O
The output terminal 1 of the signal amplifier for servo (Focus servo system)
O
The output terminal 2 of the signal amplifier for servo (Focus servo system)
I
The reversal input terminal of the signal amplifier for servo (Focus servo system)
I
The reversal input terminal of the signal amplifier for servo (Focus servo system)
O
The output terminal 2 of the signal amplifier for servo (Focus servo system)
O
The output terminal 1 of the signal amplifier for servo (Focus servo system)
O
The output terminal of the signal amplifier for servo (Tracking servo system)
O
The output terminal of the signal amplifier for servo (Tracking servo system)
I
The reversal input terminal of the signal amplifier for servo (Tracking servo system)
I
The reversal input terminal of the signal amplifier for servo (Tracking servo system)
O
The output terminal of the signal amplifier for servo (Tracking servo system)
O
The output terminal of the signal amplifier for servo (Tracking servo system)
O
The output terminal of the signal amplifier for servo (Tracking servo system)
O
The output terminal of the signal amplifier for servo (Tracking servo system)
O
The output terminal of the signal amplifier for servo (Tracking servo system)
O
The track crossing detected signal amplifier output terminal at the time of a groove
I
The track crossing detected signal amplifier input terminal at the time of a groove
O
The resistance addition output terminal of RF1-RF4
O
Tip temperature detection terminal
O
The switch part control terminal of the amplifier for servo
O
Pit mode, a groove mode change control terminal
O
The power supply output terminal for OPIC
-
Digital part and a power part power supply terminal
O
The comparator output terminal for the formation of ADIP signal 2 value
-
Digital part and a power part GND terminal
O
ADIP signal preamplifier output terminal
O
ADIP signal AGC amplifier output terminal
-
The smoothing capacitor connection terminal for ADIP signal AGC
I
ADIP signal AGC amplifier input terminal
-
Difference signal of RF1 and RF2
O
RF signal AGC amplifier output terminal
-
Smoothing capacitor connection terminal for RF signal AGC amplifier standard voltage
-
Smoothing capacitor connection terminal for RF signal AGC
-
Analog part power supply terminal
I
Bias input terminal
-
Analog part GND terminal
I
RF signal AGC amplifier reversal input terminal
-107-
Description
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