GX-900
GX-900
45
■
IC DATA
No.
Pin Name
1
RF1
2
RF2
3
RF3
4
RF4
5
REFI
6
REFO
7
RFADD
8
TCGI
9
AIN
10
BIN
11
EIN
12
FIN
13
BIAS
14
AVCC
15*
VSTBY
16*
XDISC
17*
XSGAIN
18
AGND
19
DGND
20
DTEMP
21
LATCH
22
CLOCK
23
DATA
24
DVCC
25
FOUT
26
EOUT
27
BOUT
28
AOUT
29
TCGO
30
WBO
31
22KI
32
22KO
33*
ADLPFO
34*
NC
35
ADIPO
36
ADIPI
37
ADAGC
38
ADAGI
39
RF2-1
40
EFMO
41*
EFMI
42
AVCC
43
AGND
44
EFMAGC
45
EFMAGI
46*
ATTR
47
GOUT
48
POUT
The * marked terminal is a terminal which is not connected externally (open terminal).
1
2
3
4
5
6
7
8
9
10
11
12
27
26
25
RF1
RF2
RF3
RF4
REFI
REFO
RFADD
TCGI
AIN
BIN
EIN
FIN
36
35
34
33
32
31
30
29
28
ADIPI
ADIPO
NC
ADLPFO
22KO
22KI
WBO
TCGO
AOUT
BOUT
EOUT
FOUT
POUT
GOUT
ATTR
EFMAGI
EFMAGC
AGND
AVCC
EFMI
EFMO
RF2-1
ADAGI
ADAGC
BAIS
AVCC
XSTBY
XDISC
AGND
XSGAIN
DGND
DTEMP
LATCH
CLOCK
DATA
DVCC
LOGIC
HPF
LPF
BIAS
ADIP
AGC
DIFF
DIFF
EFM
AGC
RESISTOR & SW
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
IC1101 : IR3R55 [P.C.B. MD MAIN]
RF Signal Processing
Function
RF signal input terminal 1 to input RF signal output from pickup
RF signal input terminal 2 to input RF signal output from pickup
RF signal input terminal 3 to input RF signal output from pickup
RF signal input terminal 4 to input RF signal output from pickup
Amplifier input terminal for reference voltage
Amplifier output terminal for reference voltage
Output terminal for added resistance of RF1 ~ 4
Amplifier input terminal for track cross detect signal when in groove section
Amplifier (focus servo system) reverse input terminal for servo signal
Amplifier (focus servo system) reverse input terminal for servo signal
Amplifier (tracking servo system) reverse input terminal for servo signal
Amplifier (tracking servo system) reverse input terminal for servo signal
Bias input terminal
Power supply terminal for analog section
Output terminal for logic signal (Inverse STBY signal is output.)
Output terminal for logic signal (Inverse DISC signal is output.)
Output terminal for logic signal (Inverse SGAIN signal is output.)
Ground terminal for analog section
Ground terminal for digital section
Chip temperature detect terminal
Input terminal for latch signal
Input terminal for clock signal
Input terminal for serial data
Power supply terminal for digital section
Amplifier (tracking servo system) output terminal for servo signal
Amplifier (tracking servo system) output terminal for servo signal
Amplifier (focus servo system) output terminal for servo signal
Amplifier (focus servo system) output terminal for servo signal
Amplifier output terminal for track cross detect signal when in groove section
Comparator output terminal to make ADIP signal into binary value
Comparator input terminal to make ADIP signal into binary value
HPF amplifier output terminal for ADIP signal
LPF amplifier output terminal for ADIP signal
NC
Pre-amplifier output terminal for ADIP signal
AGC amplifier output terminal for ADIP signal
AGC smooth capacitor connecting terminal for ADIP signal
AGC amplifier input terminal for ADIP signal
RF1, RF2 differential signal
Pre-amplifier output terminal for RF signal
AGC amplifier output terminal for RF signal
Power supply terminal for analog section
Ground terminal for analog section
AGC smooth capacitor connecting terminal for EFM signal
AGC amplifier input terminal for EFM signal
Terminal to attenuate 47, 48 pin output signal
Output terminal for RF1+RF2-RF3-RF4 signal when in groove section
Output terminal for added resistance of RF1 ~ 4 when in pit section
Содержание GX-900
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