Pin Descriptions - Denon RCD-M38 Service Manual

1. Pin Descriptions

TC94A92FG Terminal Function
1.1 Pin Descriptions
Pin
Symbol
No.
VCoi
1
RVDD3
2
SLCo
3
RFi
4
RFRPi
5
RFEQo
6
DCoFC
7
AGCi
8
RFo
9
RVSS3
10
FNI2
11
FNI1
12
FPI2
13
FPI1
14
TPi
15
TNi
16
VRo
17
AVSS3
18
MDi
19
LDo
20
I/O Description
DSP VCO - EFM and PLCK Phase difference
O
signal output pin.
3AI/F
(DSP VCO control voltage inputr pin.)
CD-DSP-Power supply for 3.3V RF
-
amplifier core and PLL circuit
O
EFM slice level output pin
3AI/F
I
RF signal input pin
3AI/F
I
RF ripple signal input pin
3AI/F
O
RF equalizer circuit output pin.
3AI/F
O
RFEQo offset compensation LPF output
3AI/F
I
RF signal AGC amplifier input pin
3AI/F
O
RF signal generation amplifier output pin
3AI/F
Grounding pin for 3.3 RF amplifier core and PLL
-
circuit
I
Main beam signal input pin.
3AI/F
To be connected to PIN diode C.
I
Main beam signal input pin.
3AI/F
To be connected to PIN diode A.
I
Main beam signal input pin.
3AI/F
To be connected to PIN diode D.
I
Main beam signal input pin.
3AI/F
To be connected to PIN diode B.
I
Sub beam signal input pin.
3AI/F
To be connected to PIN diode F.
I
Sub beam signal input pin.
3AI/F
To be connected to PIN diode E.
O
1.65 V reference voltage output pin.
3AI/F
-
Grounding pin for 3.3V CD analog circuits.
I
Monitor photodiode amplifier input pin.
3AI/F
O
Laser diode amplifier output pin
3AI/F
Default
O
-
O
I
I
O
O
I
O
-
I
I
I
I
I
I
O
-
I
O
5
74
TC94A92FG
Remarks
3 state output
Connect capacitor according with se
rvo frequency band.
Selectable Zin 20/10 kΩ
Connect to RFRPi by 0.1uF, to RFi by
4700pF.
Connect to Vro by more than 0.015uF
Connected to PVREF,
And connect to GNG
0.1uF+100uF.
Reference Voltage=178mVtyp.
2009-05-27
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