DV-6050
9
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Pin Description
1
LPC1
I
Laser pin input (DVD head).
2
LPCO1
O
Laser drive output (DVD head)pin.
3
LPC2
I
Laser pin input (CD head).
4
LPC02
O
Laser drive output (CD head)pin.
5
VFO SHORT
-
Setting pin for RF short mode.(Terminated to ground.)
6
TBAL
I
Tracking balance control input.
7
FBAL
I
Focus balance control input.
8
POFLT
-
Detection filter of phase difference.
9
DTRD
-
Data read.
10
DGT
-
ID gate.(Terminated to ground.)
11
STANDBY
-
Setting pin for standby mode.
12
SEN
I
Serial transfer enable input.
13
SCK
I
Serial transfer clock input.
14
STDI
I
Serial transfer data input.
15
RSCL
-
Connection pin for reference current generation resistance.
16
JLINE
-
Connection pin for input resistance.
17
TEN
I
Inverted input pin of tracking error output amplifier.
18
TEOUT
O
Tracking error signal output.
19
AGCBAL
-
AGC balance.
20
ASOUT
O
Focus addition output.
21
FEN
I
Inverted input pin of focus error output amplifier.
22
FEOUT
O
Focus error signal output.
23
AGCOFST
-
AGC off set.
24
MON
-
Monitor pin for checking.
25
AGCLVL
-
AGC level.
26
GND2
-
Ground for AGC.
27
VREF2
O
VREF for AGC.
28
VCC2
-
Power supply for AGC.
29
VHALF
O
VCC3/2
30
DFLTON
O
AGC/equalizer output (-)
31
DFLTOP
O
AGC/equalizer output (+)
32
DCFLT
-
Capacitance connection for filter output.
33
GND3
-
Ground for logic.
34
RFDIFO
O
Radial differential signal output.
35
RFOUT
O
RF addition amp output
36
VCC3
-
Power supply for logic.
37
RFC
-
RF delay correction amplifier filter.
Pin No.
Pin Name
I/O
Pin Description
16
V04 (+)
O
Driver CH4 output (+).
17
V04 (-)
O
Driver CH4 output (-).
18
V03 (+)
O
Driver CH3 output (+).
19
V03 (-)
O
Driver CH3 output (-).
20
MGND
-
GND
21
MUTE4
-
Mute control of CH4.
22
P. VCC2
-
Power supply (+9.0V)
23
MGND
-
PRE VCC
25
RREVCO
-
Terminated to VCC (+9.0V).
25
VIN3
I
CH3 input.
26
LDIN
I
Loading input of CH4.
27
BIAS2
I
Input of bias2.
28
TRIN
I
Traverse input of CH4.
29
MUTE3
-
Mute control of CH3.
30
CNT
-
Control pin.
3-2 Front End Processor IC : AN8703FH (DVD AUDIO FRONT END, IC6)
