IC DESCRIPTION-3/7(LA9702W)-1/2
Pin No.Pin NameI/ODescription
1RFMIRF signal - input. (Pull up)
2RFPIRF signal + input.
3PD1IPickup signal input.
4PD2IPickup signal input.
5PD3IPickup signal input.
6PD4IPickup signal input.
7PD5IPickup signal input.
8PD6IPickup signal input.
9PD7IPickup signal input.
10PD8IPickup signal input.
11PD9IPickup signal input.
12VCCNPower supply. (Servo signal system)
13LDD1OAPC1 output.
14LDS1IAPC1 monitor voltage input.
15LDD2OAPC2 output.
16LDS2IAPC2 monitor voltage input.
17GNDNGround. (Servo signal system)
18SGCIServo gain control terminal. (RREC, FE, TE)
19FBALIFocus balance adjustment terminal.
20TEBLITracking balance adjustment terminal.
21VGAIRF gain adjustment terminal.
22BSTIEqualizer boost adjustment terminal.
23FOSTIFocus offset adjustment terminal.
24TOSTITracking offset adjustment terminal.
25BCATHIBCA threshold adjustment terminal.
26REFIIReference voltage setting terminal.
272.5V OUTOReference voltage output for servo signal.
28RRBCOReflection output.
29FEOFocus error output.
30TEOTracking error output.
31THCNExternal capacitor for setting TE hold time constant is connected to this terminal.
32WOOWarble output terminal.
33ISETNExternal resistor for setting BPF center frequency is connected to this terminal. (Pull down)
34WOIIPush-pull signal input.
35WOOOPush-pull signal output.
36TEONTE gain setting terminal for 3 beam.
37TENNTE gain setting terminal for 3 beam.
38CPNExternal resistor and capacitor for setting charge pump gain, are connected to this terminal.
External resistor for setting bottom hold detection constant, is connected to this terminal.
39BHIN(Pull down)
40RFONORF - output.
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