Sharp XL-520W Service Manual page 41

IC801 VHiTA2065F/-1:Servo Amp. (TA2065F)
Pin No. Terminal Name
1 RFO
2 RFI
3 VRO
4 2VRO
5 RFRP
6 SBAD
7 DFIN
8 FEP
9 FEN
10 FEO
11 FEI
12 FHLD
13*,14* FEL1,2
15 FSN
16 FSO
17 COSC
18 OSCI
19 GND
20 VCC
21 SEL
22 DMEP
23 DMEN
24 DMEO
25 DFCT
26 FMSO
27 FMSN
28 FMSP
29* THLD
30 TS2O
31 TS2N
32 TS2P
33* TS1N
34 TS1P
35 TSO
36,37 TEL1,2
38 TSN
39 TPO
40 TPI
41 TNI
42 TNO
43 FNI
44 FPI
45 LDO
46 MDI
47 RFN
48 RFT
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
Output RF amp (RF AMP) output terminal.
Input RF ripple signal generating circuit input terminal.
Output VR amp output terminal.
Output 2VR amp output terminal.
Output RF ripple signal output terminal.
Output Defects detection signal output terminal.
Input Defect detecting comparator positive phase input terminal.
Input Focus error balance adjusting input terminal.
Input Focus error amp (FE AMP) negative phase input terminal.
Output Focus error amp (FE AMP) output terminal.
Input Focus output amp (FS AMP) positive phase input terminal.
Input Hold switch terminal for defect.
Input Focus gain adjusting terminal.
Input Focus output amp (FS AMP) nagative phase input terminal.
Output Focus output amp (FS AMP) output terminal.
Output Focus search signal generating capacitor connecting terminal.
Input Focus search signal generating built-in current source control input terminal.
— Ground terminal.
— Power source terminal.
Input Analog switch control signal input terminal.
Input Disc motor amp (DM AMP) positive phase input terminal.
Input Disc motor amp (DM AMP) negative phase input terminal.
Output Disc motor amp (DM AMP) output terminal.
Input Defect detecting comparator negative phase input terminal.
Output Feed motor output amp (FMS AMP) output terminal.
Input Feed motor output amp (FMS AMP) negative phase input terminal.
Input Feed motor output amp (FMS AMP) positive phase input terminal.
Input Hold switch terminal for defect.
Output Tracking servo amp 2 (TS2 AMP) output terminal.
Input Tracking servo amp 2 (TS2 AMP) negative phase input terminal.
Input Tracking servo amp 2 (TS2 AMP) positive phase input terminal.
Input Tracking servo amp 1 (TS1 AMP) negative phase input terminal.
Input Tracking servo amp 1 (TS1 AMP) positive phase input terminal.
Ouput Tracking output amp (TS AMP) output terminal.
Input Tracking gain adjusting terminal.
Input Tracking output amp (TS AMP) negative phase input terminal.
Output Sub-beam I-V amp output terminal.
Input Sub-beam I-V amp input terminal.
Input Sub-beam I-V amp input terminal.
Output Sub-beam I-V amp output terminal.
Input Main-beam I-V amp input terminal.
Input Main-beam I-V amp input terminal.
Output Laser diode amp output terminal.
Input Monitor photo diode amp input terminal.
Input RF amp negative phase input terminal.
Input RF amp peaking terminal.
Function
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XL-520W/CP-520