SHARP CD-BK110V Repair Manual

CD-BK110V/CD-BP99V
FUNCTION TABLE OF IC
IC2 VHiLC78636E-1 : Servo/Signal Control (LC78636E) (1/2)
Pin No. Terminal Name Input/OutputSetting in ResetFunction
1PD01OutputNFor PULLPhase-comparison output terminal for built-in VCO control.
2PD02OutputInputPhase-comparison output terminal for built-in VCO control.
Rough servo : OFF, phase servo : ON.
3VVSSNNGround terminal for built-in VCO.
4PCKISTInputNResistor terminal for setting the PDO output current.
5VVDDInputNPower terminal for built-in VCO.
6FRInputNResistor terminal for setting the VCO frequency range.
7HFLInputNMirror detection signal input terminal.
8SLCISTInputNFor slice level controlResistance connection terminal for current adjustment of
SLCO output.
9SLCOOutputNControl output.
10EFMINInputNEFM signal input terminal.
11*JITTVOutputUnfixedJitter detection/monitor terminal.
12JITTCOutputNJitter detection/adjustment terminal.
13BHInputNBH signal input terminal. A/D input.
14PH(RFENV)InputNPH signal or RFENV signal input terminal. A/D input.
15FEInputNFE signal input terminal. A/D input.
16TEInputNTE signal input terminal. A/D input.
17VREFInputNVREF signal input terminal. A/D input.
18ADAVDDInputNAD for servo, D/A power terminal.
19ADAVSSNNAD for servo, D/A ground terminal.
20*PHREFOutput(1/2VDD)PH reference output terminal. D/A output.
21*BHREFOutput(1/2VDD)BH reference output terminal. D/A output.
22TBLOOutput(1/2VDD)Output terminal for tracking balance. D/A output.
23TDOOutput(1/2VDD)Output terminal for tracking control. D/A output.
24FDOOutput(1/2VDD)Output terminal for focus control. D/A output.
25SPDOOutput(1/2VDD)Output terminal for spindle control. D/A output.
26SLDOOutput(1/2VDD)Output terminal for sled control. D/A output.
27*FGInputNFG signal input terminal. (When not used, connect to 0 V)
28LASEROutputLLASER ON/OFF control terminal.
29CONT1Input/OutputInput modeGeneral purpose input/output terminal 1.Controlled with serial data command
30CONT2Input/OutputInput modeGeneral purpose input/output terminal 2.from microcomputer. When not used,
31CONT3Input/OutputInput modeGeneral purpose input/output terminal 3.set it as the input terminal and
32CONT4Input/OutputInput modeGeneral purpose input/output terminal 4.open it by connecting to 0 V, or set it
33CONT5Input/OutputInput modeGeneral purpose input/output terminal 5.as the output terminal and open it.
34*PCKOutputHClock monitor terminal for EFM data replay. 4.3218 MHz as phase clock.
35C2FOutputHC2 flag output terminal.
36VDDInputNPower terminal of digital system.
37*DOUTOutputLOutput terminal of digital OUT. (EIAJ format)
38*FSXOutputLOutput terminal of synchronous signal of 7.35 kHz divided from quartz oscillation.
39*EFLGOutputLC1, C2 correct monitor terminal.
40TESTInputNInput terminal for test. Surely connected to 0 V.
41EMPHInput/OutputInput modeEmphasis terminal. After resetting, it is configured as an input terminal. It can be controlled
from the outside. It is also becomes a emphasis monitor terminal under command control.
42*MUTELOutputHMute output terminal for L channel.
43*MUTEROutputHMute output terminal for R channel.
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
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