33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Pin No.
Pin Name
I/O
Function
RF M
RFTC
LD
PD
PD1
PD2
FE BIAS
F
E
EI
VEE
TEO
LPFI
TEI
ATSC
TZC
TDFCT
VC
FZC
I
I
O
I
I
I
I
I
I
–
–
O
I
I
I
I
I
O
I
RF summing amplifier inverted input
The RF amplifier gain is determined by the resistance connected between this pin and
RFO pin
External time constant setting pin during RF level control
APC amplifier output
APC amplifier input
RF I-V amplifier inverted input
Connect these pins to the photo diode A+C and B+D pins
Bias adjustment of focus error amplifier
Leave this pin open for automatic adjustment
F I-V and E I-V amplifier inverted input
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
E-F signal is output
Comparator input for balance adjustment
(Input from TEO through LPF)
Tracking error input
Window comparator input for ATSC detection
Trackig zero-cross comparator input
Capacitor connection pin for defect time constant
(VCC + VEE)/2 direct voltage output
Focus zero-cross comparator input
• Abbreviation
APC : Auto Power Control
Содержание HTC-WX5
Страница 21: ...HTC WX5 21 21 6 6 PRINTED WIRING BOARD DECK SECTION Refer to page 14 for Circuit Boards Location Page 22 ...
Страница 27: ...HTC WX5 27 27 6 13 SCHEMATIC DIAGRAM PANEL SECTION Page 24 Page 24 Page 24 ...
Страница 28: ...HTC WX5 28 28 6 14 SCHEMATIC DIAGRAM CD MOTOR SECTION Refer to page 31 for IC Block Diagrams Page 23 Page 23 ...
