Denon D RCD-M37, Service Manual

Page: 36 / 85

36
RCD-M37 / RCD-M37DAB / D-E500 / D-M37
TC94A70FG Terminal Function
Pin
No.
Symbol I/O Description Default Remarks
1
AVSS3 㧙
Grounding pin for 3.3V CD analog circuits.
㧙
2
RFZi
I
3AI/F
Input pin for RF ripple zero-cross signal. I
Connect to RFRP by
0.033uF
3
RFRP
O
3AI/F
RF ripple signal output pin. O
4
SBAD/RFDC
O
3AI/F
Sub beam addition signal or
RFDC (Hologram PUH RF peak detection
signal) signal output pin
O
5
FEi
O
3AI/F
Focus error signal input pin. O
6
TEi
O
3AI/F
Tracking error signal input pin. O
Monitor pin for the signal.
7
TEZi
I
3AI/F
Tracking error signal zero-cross input pin. I Connect to TEI by 0.033uF
8
AVDD3
㧙
Power supply pin for 3.3 V CD analog
circuits.
㧙
9
Foo
O
3AI/F
Focus servo equalizer output pin. O
10
TRo
O
3AI/F
Tracking servo equalizer output pin.
O
Built-in series resister 3.3k
ǡ
11
VREF 㧙
Reference voltage pin for analog
circuits(1.65V)
㧙
Connect to VRO and
PVREF. Connect 0.1uF
12
FMo
O
3AI/F
Feed servo equalizer output pin. O
13
DMo
O
3AI/F
Disc servo equalizer output pin O
Built-in series resister
3.3k
ǡ 3-state output
(AVDD3,AVSS3,VREF)
14
VSSP3 㧙 Grounding pin for 3.3V DSP VCO circuits. 㧙
15
VCOi O
PD output for VCO (control voltage input
for VCO)
O Three-state output
16
VDDP3 㧙
Power supply pin for 3.3V DSP VCO
circuit.
㧙
17
VDD1 㧙 Power supply pin for 1.5V digital circuit 㧙
18
VSS 㧙 Grounding pin for 1.5V digital circuit. 㧙
19
FGiN
I
3I/F
FG signal input pin for CAV.
CLV: "L", CAV: FG input
I Analog input
20
io0(/HSo)
I/O
3I/F
General Input/output port -0 (CD)
(Playback speed mode flag output pin.)
I
Schmitt input
CMOS PORT
21
io1(/UHSo)
I/O
3I/F
General Input/output port -1 (CD)
(Playback speed mode flag output pin.)
I
Schmitt input
CMOS PORT
22
XVSS3 㧙
Grounding pin for 3.3V system clock
oscillator circuit.
㧙
23
Xi
I
3AI/F
Input pin for system clock oscillator
Circuit (External Rfb=1M
: )
I X'tal
24
Xo
O
3AI/F
Output pin for system clock oscillator
circuit
O X'tal
25
XVDD3 㧙
Power supply pin for 3.3 V system clock
oscillator circuit
㧙