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Pin No.
Pin Name
34
RF M
35
RFTC
36
LD
37
PD
38
PD1
39
PD2
40
FE BIAS
41
F
42
E
43
EI
44
VEE
45
TEO
46
LPFI
47
TEI
48
ATSC
49
TZC
50
TDFCT
51
VC
52
FZC
• Abbreviation
APC : Auto Power Control
I/O
RF summing amplifier inverted input
I
The RF amplifier gain is determined by the resistance connected between this pin and
RFO pin
I
External time constant setting pin during RF level control
O
APC amplifier output
I
APC amplifier input
I
RF I-V amplifier inverted input
I
Connect these pins to the photo diode A+C and B+D pins
Bias adjustment of focus error amplifier
I
Leave this pin open for automatic adjustment
I
F I-V and E I-V amplifier inverted input
I
Connect these pins to photo diodes F and E
I-V amplifier E gain adjustment
–
(When not using automatic balance adjustment)
–
Negative power supply
Tracking error amplifier output
O
E-F signal is output
Comparator input for balance adjustment
I
(Input from TEO through LPF)
I
Tracking error input
I
Window comparator input for ATSC detection
I
Trackig zero-cross comparator input
I
Capacitor connection pin for defect time constant
O
(VCC + VEE)/2 direct voltage output
I
Focus zero-cross comparator input
Function
33
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