39
•
Pin Description
Pin
Numbers
Symbol
Type
Description
RF Signals & S/H Control Pulses
9
HAVC
Analog Output
Decoupling Pin for Reference Voltage of Main and Sub Beams
13
INA
Analog Input
Input of Main Beam Signal (A)
12
INB
Analog Input
Input of Main Beam Signal (B)
11
INC
Analog Input
Input of Main Beam Signal (C)
10
IND
Analog Input
Input of Main Beam Signal (D)
3
INE
Analog Input
Input of Sub-Beam Signal (E)
2
INF
Analog Input
Input of Sub-Beam Signal (F)
1
ING
Analog Input
Input of Sub-Beam Signal (G)
128
INH
Analog Input
Input of Sub-Beam Signal (H)
27
RFIP
Analog Input
Differential Input of AC Coupling RF SUM Signal (Positive)
28
RFIN
Analog Input
Differential Input of AC Coupling RF SUM Signal (Negative)
20
RRFSUM
Analog Input
DC Input of RRF SUM signal for CD
16
WRFSUM
Analog Input
DC Input of WRF SUM signal for CD
25
DVDA
Analog Input
Input of AC coupled DVD RF signal (A)
24
DVDB
Analog Input
Input of AC coupled DVD RF signal (B)
23
DVDC
Analog Input
Inpu t of AC coupled DVD RF signal (C)
22
DVDD
Analog Input
Input of AC coupled DVD RF signal (D)
7
TRINA
Analog Input
Input of Tracking Signal (A)
6
TRINB
Analog Input
Input of Tracking Signal (B)
5
TRINC
Analog Input
Input of Tracking Signal (C)
4
TRIND
Analog Input
Input of Tracking Signal (D)
127
FOIP
Analog Input
Input of Focusing Signal (Positive)
126
FOIN
Analog Input
Input of Focusing Signal (Negative)
47
SRVSH
Digital Input (TTL),
SMT
S/H Control Pulse of Main and Side Beam Signals
45
WBLSH
Digital Input (TTL),
SMT
S/H Control Pulse of Wobble Signal
Focus/Tracking Error & Servo Control Signals
125
DRCO
Analog Output
Output of Differential Radial Contrast (DRC) Signal
124
DRCO2
Analog Input
Re-Input of Differential Radial Contrast (DRC) Signal
123
FE
Analog Output
Output of Focusing Error (FE) Signal
121
TE
Analog Output
Output of Tracking Error (TE) Signal
122
CE
Analog Output
Output of Center Error (CE) Signal
119
SBAD /RFLVL
Analog Output
(1). Output of SBAD Signal
(2). RF Level Output
120
TEIN
Analog Input
Input of Out-of-Track Detection Circuit
118
DFCTLP
Analog Output
Low Pass Filter Capacitor Connecting for DEFECT Detection
116
SHPC
Analog Output
External Capacitor Connection for Peak Hold of RFRP Signal
115
SHBC
Analog Output
External Capacitor Connection for Bottom Hold of RFRP Signal
42
RFSUBO
Analog Output
Header Push-Pull RF Output Signal
49
LRFZC/BLANK
Digital Output (TTL),
4 mA Driving
(1). Output of RF Zero Crossing Binary Signal
(2). Output of Blank Signal
117
PHTIN
Analog Input
Input of Comparator for Photo Interrupt Signal
15
HTRLP
Analog Output
Low Pass Filter Capacitor Connecting for HTRC Detection