TH-V70
1-22
AN8703FH
AN8703FH (IC101) : Frontend processor for DVD
1.Terminal layout
2. Pin function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
LPC1
LPCO1
LPC2
LPCO2
VFOSHORT
TBAL
FBAL
POFLT
DTRD
IDGT
STANDBY
SEN
SCK
STDIO
RSCL
JLINE
TEN
TEOUT
AGCBAL
ASOUT
FEN
FEOUT
AGCOFST
MON
AGCLVL
GND2
VREF2
VCC2
VHALF
DFLTON
I
O
I
O
I
I
I
O
I
I
I
I
I
I/O
I
I
I
O
I
O
I
O
I
-
I
-
O
-
O
O
Laser pin input (DVD head)
Laser drive output (DVD head)
Laser pin input (CD head)
Laser drive output (CD head)
VFOSHORT control
Tracking balance control
Focus balance control
Track detection threshold level
Data slice data read signal input (for RAM)
Data slice address gate signal input (for RAM)
Standby mode control
SEN(Serial data input)
SCK(Serial data input)
STDI(Serial data I/O)
Reference current supply
J-line current setting
Tracking error amplifier inverted input
Tracking error signal output
Offset adjustment for DRC-1
Full addition signal output
Focus error amplifier inverted input
Focus error signal output
Offset adjustment for DRC-2
Not use (Monitor)
Output amplitude adjustment for DRC
Ground 2
VREF2 voltage output
Power supply 2 (5V)
VHALF voltage output
Filter amplifier inverted output
Pin No.
Symbol
I/O
Function
LPC1
LPCO1
LPC2
LPCO2
VFOSHORT
TBAL
FBAL
POFLT
DTRD
IDGT
STANDBY
SEN
SCK
STDIO
RSCL
JLINE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
RFINN
RFINP
TESTSG
AGCO
AGCG
PEAK
BOTTOM
RFENV
BDO
OFTR
DCRF
RFC
VCC3
RFOUT
RFDIFO
GND3
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
HDTYPE
VIN12
VIN11
GND1
VIN4
VIN3
VIN2
VIN1
VREF1
VCC1
VIN10
VIN9
VIN8
VIN7
VIN6
VIN5
TEN
TEOUT
AGCBAL
ASOUT
FEN
FEOUT
AGCOFST
MON
AGCLVL
GND2
VREF2
VCC2
VHALF
DFLTON
DFLTOP
DCFLT
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Description of major ICs
Summary of Contents for TH-V70
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