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XL-3000W
IC801 VHiTA2109F/-1:Servo Pre Amp. (TA2109F)
Pin No.
Terminal Name
1
VCC
2
FNI
3
FPI
4
TPI
5
TNI
6
MDI
7
LDO
8
SEL
9
TEB
10
2VRO
11
TEN
12
TEO
13
SBAD
14
FEO
15
FEN
16
VRO
17
RFRP
18
RFIS
19
RFGO
20
RFGC
21
AGCI
22
RFO
23
GND
24
RFN
IC801 VHiTA2109F/-1:Servo Pre Amp. (TA2109F)
13
SBAD
14
FEO
7.96kΩ
15
FEN
10kΩ
16
VRO
21kΩ
20kΩ
17
RFRP
18
RFIS
20kΩ
19
RFGO
20
RFGC
23.5kΩ
AGCI
21
re = 130Ω
RFO
22
GND
23
RFN
24
Input/Output
—
Power voltage terminal
Input
Main beam amp input terminal
Input
Main beam amp input terminal
Input
Sub-beam amp input terminal
Input
Sub-beam amp input terminal
Input
Monitor photodiode amp input terminal
Output
Laser diode amp output terminal
Input
Laser diode control signal input and APC circuit ON/OFF signal input terminal
Input
Tracking error balance adjustment signal input terminal
To be controlled by 3-value PWM signal. (PWM carrier = 88.2 kHz)
Output
Standard voltage (2VR) output terminal. When Vcc = 5V, 2VR = 4.2V.
Input
Tracking error signal generation amp reversed phase input terminal
Output
Tracking error signal generation amp output terminal
Output
Sub-beam addition signal output terminal
Output
Focus error signal generation amp output terminal
Input
Focus error signal generation amp reversed phase input terminal
Output
Standard voltage (VR) output terminal. When Vcc = 5V, VR = 2.1V.
Output
Track count signal generation amp output terminal
Input
RFRP detection circuit input terminal
Output
RF signal output terminal
Input
RF amplitude adjustment control signal input terminal
The amplitude of RF signal can be controlled by using the 3-value PWM signal (PWM
carrier = 88.2 kHz) which is output from the RFGC terminal of TC9432F.
Input
RF signal amplitude adjustment amp input terminal
Output
RF signal generation amp output terminal
—
GND terminal
Input
RF reversed phase input terminal
15kΩ
30kΩ
10kΩ
15kΩ
10kΩ
20µA
50kΩ
10kΩ
36pF
21kΩ
24kΩ
21kΩ
50µA
12kΩ
1.74kΩ
12kΩ
65µA
PEAK
BOTTOM
180kΩ
20pF
180kΩ
12kΩ
20pF
180kΩ
40pF
1.53kΩ
Figure 50 BLOCK DIAGRAM OF IC
Function
7.67kΩ
12
TEO
20pF
10kΩ
11
TEN
29kΩ
10
2VRO
24kΩ
9
TEB
3 STATE
DET.
8
SEL
47kΩ
SW
LDC
1
1kΩ
SW
2
7
LDO
680kΩ
SW
3
6
MDI
13kΩ
2.12kΩ
5
TNI
I . I
4
TPI
I . I
20kΩ
3
FPI
20kΩ
60kΩ
20kΩ
60kΩ
2
FNI
20kΩ
1
VCC
– 50 –
LDC
SEL
SW1 SW2
SW3
L
ON
OFF
OFF
HiZ
OFF
ON
ON
ON
ON
OFF
H
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