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DV-550U
12-3. IC303 IX1462GE
RF SIGNAL PROCESSING
Pin No.
Terminal name
1
TE BAL
2
SBIN
3
SBOUT
4
3BTE
5
3BIN
6
3BOUT
7
NC
8
DPDTE
9
GND1
10
RPDetB
11
DetSR
12
RPDetP
13
VCC2
14
ADJ.FIL
15
MCK
16
GND2
17
2Vref FIL
18
2Vref
19
Vref FIL
20
Vref
21
TEOUT
22
NC
23
PRE FIL
24
NC
25
DVDGD
26
FEIN
27
FEOUT
28
FWR FIL
29
RFcen
30
RFRPOUT
31
RFR FIL
32
GND3
33
RPsel
34
RF DVDOUT
35
RFcenB
36
RFcenP
37
VCC4
38
DPD/3Bsel
39
RF CDOUT
40
CDTime
41
DVDTime
42
CDEQ
43
DVD EQ
44
SQsel
I/O
I
Control input to change the sub-beam subtraction ratio in case of 3-beam system
tracking error (TE) signal generation.
I
Sub-beam addition amp. reverse input.
O
Sub-beam addition amp. output.
O
3-beam TE signal intermediate output.
I
3-beam TE level adjusting amp. reverse input.
O
3-beam TE level adjusting amp. output.
–
–
I
Input of DPD system TE signal.
–
Servo system ground.
O
RF ripple detector RF bottom hold external capacity.
O
RF ripple detector response rate setting resistance.
O
RF ripple detector RF peak hold external capacity.
–
Power
O
Filter external capacity for DVD-EQ-time constant compensation.
I
Clock input for DVD-EQ-time constant compensation.
–
Ground
O
Reference voltage smoothing external capacity.
O
Reference voltage x2 output.
O
Reference voltage smoothing external capacity.
O
Reference voltage output.
O
TE output after DPD/3B selection.
–
–
O
RF prefilter output.
–
–
I
DVD-EQ group delay characteristics control input.
I
Focus error (FE) signal output amp. reverse input.
O
FE output.
O
Filter external capacity to DVD-WV detection signal.
O
Amplitude center voltage output of RF ripple signal.
O
RF ripple signal output.
O
RFRP signal filter external capacity.
–
RF system ground.
I
Control input in case of selection of DVD-WV detection signal for RFRPOUT.
O
EQ output of DVD.
O
RFRP center level detection. RFRP bottom hold external capacity.
O
RFRP center level detection. RFRP peak hold external capacitor.
–
VCC for reference voltage.
I
Control input to select DPD or 3B for TE signal. H:3B L:DPD
O
CD-EQ output.
I
CD-EQ curve frequency adjustment input.
I
DVD-EQ curve frequency adjustment input.
I
CD-EQ curve peak gain adjustment input.
I
DVD-EQ curve peak gain adjustment input.
I
CD-EQ x1/x4 linear speed selection input. H: x1 speed L: x4 speed.
Operation function
12-3
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