Denon D-MA5DV - Page 42

D-MASDV/D-MX7700DV 42
SP3721A (ME: U2)
oe TOP VIEW
SP3721A Terminal Function
DVDREP, DVDREN
CDRF
EA
i
AIR AIN, | AIN ial
Description
RF Signal inputs. Differential RF signal attenuator input pins
RF Signal Inputs. Single-ended RF signal attenuator input pin
AGC Amplifier Inputs. Differential AGC amplifier input pins
Analog
inputs
for
RF
Single
Buffer.
Differential
analog
inputs
to
the
RF
single-ended
output
buffer
and
full
wave
rectifier
Low
Impedance
Enable.
A
TTL
compatible
input
pin
that
activates
the
FDCHG
switches.
A
low
level
activates
the
switches
and
the
falling
edge
of
the
internal
FDCHG
triggers
the
fast
decay
for
the
MIRR
bottom
hold
circuit.
(open
high)
32 FDCHG#
Hold
Control.
A
TLL
compatible
contro!
pin
which,
when
pulled
high,
disables
the
RF
AGC
charge
HOLD!
pump
and
holds
the
RF
AGC
amplifier
gain
at
its
present
value.
(open
high)
11~14
D,C,B,A
Photo
Detector
Interface
Inputs.
Inputs
from
the
main
beam
Photo
detector
matrix
outputs
Photo
Detector
Interface
Inputs.
AC
coupled
inputs
for
the
DPD
from
the
main
beam
Photo
A2,
B2,
C2,
D2
‘
detector
matrix
outputs
CD tracking Error Inputs. Inputs from the CD photo detector error outputs
PD1t,
PD2
CD
Photo
detector
Interface
Inputs.
Inputs
from
the
CD
photo
detector
error
outputs
Mirror Envelope Inputs. The SIGO envelope input pin
FF signal Input for Mirror. AC coupled inputs for the mirror detection circuit from the pull-in signal
output. (PI
APC Input. CD APC input pin from the monitor photo diode
APC
Output
On/Off.
APC
output
control
pin.
A
low
level
activates
the
LD
output.
(open
high)
Differential
Attenuator
Output.
Attenuator
outputs
Differential Normal Output. Filter normal outputs
CD PF Signal Output. Single ended CD RF summing output
Focusing Error Signal Output. Focus error output reference to VCI
Tracking Error Signal Output. Tracking error output reference to VC!
wo
oa
re
a
57 SIGO
64 CDRFDC
42 FE
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