Denon S-81 - Page 35

35
S-81/S-81DAB
Pin No. Symbol I/O Function Description Remarks
26 RFCT
I
AI/F
RFRP signal center level input pin. Analog input: Zin ı 33 k
27 RFZI
I
AI/F
RFRP signal zero-cross input pin. Analog input
28 RFRP
I
AI/F
RF ripple signal input pin. Analog input
29 FEI
I
AI/F
Focus error signal input pin. Analog input
30 SBAD
I
AI/F
Sub-beam adder signal input pin. Analog input
31 TE I
I
AI/F
Tracking error input pin. Inputs when tracking servo is on. Analog input
32 TEZI
I
AI/F
Tracking error signal zero-cross input pin. Analog input: Zin ı 10 k
33 FOO
O
AI/F
Focus equalizer output pin.
34 TRO
O
AI/F
Tracking equalizer output pin.
Analog output
(AV
SS3
~AV
DD3
)
35 V
REF
ˇ Analog reference power supply voltage pin. ˇ
36 RFGC
O
AI/F
RF amplitude adjustment control signal output pin.
37 TEBC
O
AI/F
Tracking balance control signal output pin.
3-state output
(PWM carrier ı 88.2 kHz)
(AV
DD3
,V
REF
,AV
SS3
)
11 SFSY
O
3-5I/F
Playback frame sync signal output pin. ˇ
12 SBSY
O
3-5I/F
Subcode block sync signal output pin. “H” level at S1 when
subcode sync is detected.
ˇ
13 IO0
14 IO1
I/O
3-5I/F
General-purpose input / output pins.
Input port at reset.
Schmittatinput
15 PV
DD3
ˇ PLL-only 3.3 V power supply voltage pin. ˇ
16 PDO
O
AI/F
EFM and PLCK phase difference signal output pin.
4-state output
(PV
DD3
,HiZ,PV
REF
,AV
SS3
)
17 TMAX
O
AI/F
TMAX detection result output pin.
TMAX Detection Result TMAX Output
Longer than fixed period “PV
DD3
”
Within fixed period “HiZ”
Shorter than fixed period “AV
SS3
”
3-state output
(PV
DD3
,HiZ,AV
SS3
)
18 LPFN
I
AI/F
Inverted input pin for PLL LPF amp. Analog input
19 LPFO
O
AI/F
Output pin for PLL LPF amp. Analog output
20 PV
REF
ˇ PLL-only V
REF
pin. ˇ
21 VCOF
O
AI/F
VCO filter pin. Analog output
22 AV
SS3
ˇ Analog GND pin. ˇ
23 SLCO
O
AI/F
DAC output pin for data slice level generation. Analog output
24 RFI
I
AI/F
RF signal input pin. Zin selectable by command. Analog input
25 AV
DD3
ˇ Analog 3.3 V power supply voltage pin. ˇ
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