JVC XV-F80BK Service Manual page 33

AN8702FH(IC101):Frontend processor
1.Pin layout
2.Pin function
Symbol I/O
Pin No.
I
1 PC1 Disc detection signal input (DVD)
I/O
2 Laser current control terminal
PC01
I
3 PC2 Disc detection signal input (CD)
I/O
4 PC02 Laser current control terminal
I
5 Tangential phase balance control terminal
TGBAL
I
Tracking balance control terminal
6 TBAL
I
7 FBAL Focus balance control terminal
O
8 POFLT Track detection threshold level terminal
I
9 Data slice part data read signal input terminal
DTRD
(For RAM)
I
10 IDGT Data slice part address part gate signal input
terminal( For RAM)
I
11 Standby mode control terminal
STANDBY
I
12 SEN SEN(Serial data input terminal)
I
13 SCK SCK(Serial data input terminal)
I
14 STDI(Serial data input terminal)
STDI
15 RSEL
I
16 JLINE
J-line setting input(FEP)
17 TEN
O
18
TEOUT Tracking error signal output terminal
19 ASN
O
20 ASOUT
Full adder signal output
I
21 FEN
Focus error output amplifier reversing input terminal
O
22
FEOUT Focus error signal output terminal
-
23 VSS
Connect to GND
O
24 TG
Tangential phase error signal output terminal
-
25
VDD Power supply terminal 3V
-
26 GND2 Connect to GND
O
27 VREF2
VREF2 voltage output terminal
-
28 VCC2
Power supply terminal 5V
O
29
VHALF VHALF voltage output terminal
O
30 DFLTON
Equivalence RF-
O
31 DFLTOP
Equivalence RF+
32 DSFLT
-
33
GND3
Connect to GND
PC1 1
PC01 2
PC2 3
PC02 4
TGBAL 5
TBAL 6
FBAL 7
AN8702FH
POFLT 8
DTRD 9
IDGT 10
STANDBY 11
SEN 12
SCK 13
STDI 14
RSEL 15
JLINE 16
Description
48 RFINN
47 RFINP
46 TESTSG
45 AGCO
44 AGCG
43 PEAK
42 BOTTOM
41 RFENV
40 BDO
39 OFTR
38 DCRF
37 RFC
36 VCC3
35 RFOUT
34 RFDIFO
33 GND3
Symbol I/O
Pin No.
34 RFDIFO
35 RFOUT -
To TP101
36 -
VCC3 Power supply terminal 5V
37 RFC
38 DCRF O All addition amplifier capacitor terminal
39 OFTR O
OFTR output terminal
O
40 BDO
Drop out
O
41 RFENV
RF envelope output terminal
42 BOTTOM O
Bottom envelope detection filter terminal
43 PEAK O
Peak envelope detection filter terminal
O
44 AGCG
AGC amplifier gain control terminal
45 AGCO
46 TESTSG I
TEST signal input terminal
47 I
RFINP
RF signal positive input terminal
I
48 RFINN
RF signal negative input terminal
49 VIN5 I
Focus input of external division into two terminal
50 VIN6 I
Focus input of external division into two terminal
I
51 VIN7
I
52 VIN8
53 VIN9 I
Focus input of external division into two terminal
54 VIN10 I
Focus input of external division into two terminal
-
55 VCC1
Power supply terminal 5V
56 VREF1 O
VREF1 voltage output terminal
57 VIN1 I
External division into four (DVD/CD) RF input
terminal1
I
58 VIN2
External division into four (DVD/CD) RF input
terminal2
59 VIN3 I
External division into four (DVD/CD) RF input
terminal3
I
60 VIN4
External division into four (DVD/CD) RF input
terminal4
61 GND1 -
Connect to GND
I
62 VIN11
Tracking input
63 VIN12 I
Tracking input
64 HDTYPE -
Connect to ground
XV-F80BK/XV-F85GD
Description
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