Sharp DV-500D Technical Manual page 95

DV-560H
12-2. IC302 IX1463GE
PHASE DIFFERENCE TRACKING ERROR SIGNAL GENERATION CIRCUIT
Pin No. Terminal name
1 A_GND
2 BIN
3 NC
4 VrefIN
5 CIN
6 NC
7 Iref
8 DIN
9 Psel
10 PDFIL1
11 PDFIL2
12 D_VCC
13 D_GND
14 DPDTE
15 MUTE
16 TEST2
17 BDDC
18 TEST1
19 ACDC
20 BACTL
21 DPOCTL
22 NC
23 AIN
24 A_VCC
12-2-1. Block Diagram
I/O
– Ground
I 4-division detector B input.
– –
I Reference voltage input.
I 4-division detector C input.
– –
I Source setting current input for phase difference current conversion.
I 4-division detector D input.
I Phase difference signal offset compensation correction polarity selection input.
(80k Ω pull up)
O Phase difference current voltage conversion time constant setting external
capacity.
O Phase difference current voltage conversion time constant setting external
capacity.
– Power (+5V)
– Ground
O Tracking error signal output.
Mute control input. (60k Ω pull down)
I
– Test Terminal.
O BD channel HPF time constant setting external capacity.
– Test terminal.
O AC channel HPF time constant setting external capacity.
I Tracking error balance control input.
I Phase difference signal offset compensation control input. (Open base)
– –
I 4-division detector B input.
– Power (+5V)
24 23 22 21
EQ
EQ
DP-Offset
Compensator
EQ
EQ
1 2 3 4
Operation function
20 19 18 17
+
Phase
TE-Balance
Detector
Compensator
+
5 6 7 8
12-2
16 15 14 13
Charge
Pomp
9 10 11 12