Cxa1 372Q Terminal Function - Denon DN-2000F Service Manual

I
EN.EclOClF
CXA1 372Q Terminal Function
Terminal
No.
Symbol
yo
Terminal Function
Vc
Mid-Doint voltaqe input terminal.
2
FGD
In case of reducing higher range gain of focus servo, connect a capacitor between this terminal and terminal number (9).
3
FS3
Shitts higher range gain of focrrs servo by FS3 ON/OFF.
4 FLB
Terminal tor erlernal time constant lo increase lower range of focus servo.
5
FEO
o
Foors drive oubut
o
FE-
Reverse inout terminal for focus amplifier.
7
SRCH
Terminal for erlernal time constant to make focus search wavetorm.
I
TGU
Terminal for external time constant to shift higher range gain of tracking.
9
TG2
Terminal for extemal time constant to shift higher range gain of tracking.
1 0 TAO
o
Trackinq drive output.
TA- Reverse input terminal for tracking amplifier.
l 2 SL+
Non-reverse input terminal for sled amplifier.
13
sLo
o
Sled drive outDut
1 4
sL- Reverse input terminal tor sled amplifier.
5
FSET
Terminal to compensate peak in focus/tracking phase.
7
ISET
Delivers a cunent to set the height ot focus search, track jump, and sled kick.
1 8
SSTOP
Terminal for limit switch ON/OFF to detect disc innermost circle.
1 9
DIBC
Terminal is used at the time ot 1 track iump. A 47 kohm pull up resistor is included.
20 LOCK
Reckless drive protection circuit of sled; activales at
"L" . A 47k ohm pull up resistor is included.
21
CLK
Serial data transfer.clock input from CPU.
22 XLT
Latch inpul from CPU.
23 DATA Serial data inout trom CPU.
24 XRST
Reset inout terminal. Resets at "L".
26 C.OUT
o
Terminal lo output signal lor track number count.
27
S E N S
Terminalto output FZC, AS, TZC, SSTOP by command from CPU.
29
M I R R
Output terminal tor MIRR comparator.
30
DFCT
o
OutDut terminal for DEFEGT comparator.
31 ASY I
Input terminal for auto-symmetric control.
32
EFM
o
OuFut terminal for EFM comparator.
33 FOK
OuFut terminal for focus OK (FOK) comparator.
34
ccl
o
DEFECT bottom hold output terminal.
35
cc2
I
Input terminal to input DEFECT bonom hold output by capacitance combination.
37
CB
I
Caoacilor connectino terminal for DEFECT bouom hold.
38 C P I
MIRR hold capacilor connecting terminal. A non-reverse input terminal for MIRR compaEtor.
39
h t l
Input terminal to input RF summing amplifier ouFut by capacitance combination.
40
RFO
Output terminal lor RF summing amplifier. Check point for eye pattem.
42 TZC
Tracking zerocross compaEtor input terminal.
43
I E
Tracking enor signal input terminal.
44
TDFCT
Capacitor connecting terminal for time conslant at the time of defect.
45 ATSC
Input terminal of ATSC detecting window comparator.
46 FZC
lnout terminal of focus zero-cross @mparator.
47
FodJs enor signal input terminal.
48
FDFCT
Capacitor connecting terminal for time conslant at the time of defect.
30