Denon CEOL RCD-N8, Service Manual

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79
TC94A92FG Terminal Function
TC94A92FG
2009-05-27 5
1. Pin Descriptions
1.1 Pin Descriptions
Pin
No.
Symbol I/O Description
Default
Remarks
1
VCoi
O
3AI/F
DSP VCO - EFM and PLCK Phase difference
signal output pin.
(DSP VCO control voltage inputr pin.)
O
3 state output
2 RVDD3 -
CD-DSP-Power supply for 3.3V RF
amplifier core and PLL circuit
-
3
SLCo
O
3AI/F
EFM slice level output pin
O
Connect capacitor according with se
rvo frequency band.
4
RFi
I
3AI/F
RF signal input pin
I
Selectable Zin 20/10 k
Ω
5
RFRPi
I
3AI/F
RF ripple signal input pin
I
6
RFEQo
O
3AI/F
RF equalizer circuit output pin.
O
Connect to RFRPi by 0.1uF, to RFi by
4700pF.
7
DCoFC
O
3AI/F
RFEQo offset compensation LPF output O
Connect to Vro by more than 0.015uF
8
AGCi
I
3AI/F
RF signal AGC amplifier input pin
I
9
RFo
O
3AI/F
RF signal generation amplifier output pin
O
10
RVSS3 -
Grounding pin for 3.3 RF amplifier core
and PLL
circuit
-
11
FNI2
I
3AI/F
Main beam signal input pin.
To be connected to PIN diode C.
I
12
FNI1
I
3AI/F
Main beam signal input pin.
To be connected to PIN diode A.
I
13
FPI2
I
3AI/F
Main beam signal input pin.
To be connected to PIN diode D.
I
14
FPI1
I
3AI/F
Main beam signal input pin.
To be connected to PIN diode B.
I
15
TPi
I
3AI/F
Sub beam signal input pin.
To be connected to PIN diode F.
I
16
TNi
I
3AI/F
Sub beam signal input pin.
To be connected to PIN diode E.
I
17
VRo
O
3AI/F
1.65 V reference voltage output pin.
O
Connected to PVREF,
And connect to GNG by
0.1uF+100uF.
18
AVSS3 -
Grounding pin for 3.3V CD analog circuits.
-
19
MDi
I
3AI/F
Monitor photodiode amplifier input pin.
I
Reference Voltage=178mVtyp.
20
LDo
O
3AI/F
Laser diode amplifier output pin
O