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You can fully trust on this one!
All the schematics are very crear an in one piece per page
Pin No. 32 33
Pin Name RF_I RF_O
I/O I O
Description Input terminal by capacity combination of RF summing amplifier. Output terminal of RF summing amplifier. Checkpoint of Eye pattern. Anti-reverse input terminal for RF summing amplifier.
34
RF_M
I
The gain of RF amplifier is decided by the connection resistance between RF_M and RFO terminals.
35 36 37
RFTC LD PD
I O I
This is a pin where the selection time constant is externally connected to control the RF level. APC amplifier output terminal. APC amplifier input terminal. RFI-V amplifier inverted input pin.
38, 39
PD1, PD2
I
These pins are connected to the A+C and B+C pins of the optical pickup, receiving by currents input.
40
FEBIAS
I/O
Bias adjustment pin of the focus error amplifier. F and EIV amplifier inverted input pins.
41, 42
F, E
I
These pins are connected to the F and E of the optical pickup, receiving by current input.
43 44 45 46 47 48 49 50 51 52
EI VEE TEO LPFI TEI ATSC TZC TDFCT VC FZC
� � O I I I I I O I
Gain adjustment pin of the I-V amplifier E. (When not in use of BAL automatic adjustment) GND connection pin. Output terminal for tacking-error amplifier. Output E-F signal. BAL adjustment comparator input pin. (Input through LPF from TEO) Input terminal for tracking error. Window-comparator input terminal for detecting ATSC. Input terminal for tracking-zero cross comparator. Capacitor connection pin for the time constant used when there is defect. Output terminal for DC voltage reduced to half of VCC+VEE. Input terminal for focus-zero cross comparator.
38
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