Description Of Major Ics - JVC XV-S40BK Service Manual

Description of major ICs

AN8702FH(IC101):Frontend processor
1.Pin layout
2.Pin function
Symbol I/O
Pin No.
1 PC1
2 PC01
3 PC2
4
PC02
I
Tangential phase balance control terminal
5 TGBAL
I
6 TBAL Tracking balance control terminal
I
7 FBAL Focus balance control terminal
O
8 Track detection threshold level terminal
POFLT
I
9 DTRD Data slice part data read signal input terminal
(For RAM)
I
10 Data slice part address part gate signal input
IDGT
terminal( For RAM)
I
11 STANDBY Standby mode control terminal
I
12 SEN SEN(Serial data input terminal)
I
13 SCK(Serial data input terminal)
SCK
I
STDI(Serial data input terminal)
14 STDI
15 RSEL
16 JLINE
17
TEN
O
18 TEOUT Tracking error signal output terminal
19 ASN
20
ASOUT
I
Focus error output amplifier reversing input terminal
21 FEN
O
22 FEOUT Focus error signal output terminal
-
23 VSS Connect to GND
O
24 Tangential phase error signal output terminal
TG
-
Power supply terminal 3V
25 VDD
-
26 GND2 Connect to GND
O
27 VREF2 VREF2 voltage output terminal
-
28 Power supply terminal 5V
VCC2
O
29 VHALF VHALF voltage output terminal
30 DFLTON
31
DFLTOP
32 DSFLT
-
33 GND3 Connect to GND
1
PC1
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
XV-S40BK/XV-S42SL/XV-E100SL
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
-
36 VCC3 Power supply terminal 5V
37 RFC
38 DCRF O
All addition amplifier capacitor terminal
O
39 OFTR OFTR output terminal
40 BDO
41 RFENV O
RF envelope output terminal
42 O
BOTTOM Bottom envelope detection filter terminal
O
43 PEAK Peak envelope detection filter terminal
44 AGCG O AGC amplifier gain control terminal
45 AGCO
I
46 TESTSG TEST signal input terminal
I
47 RFINP RF signal positive input terminal
48 RFINN I RF signal negative input terminal
49 VIN5 I
Focus input of external division into two terminal
I
50 VIN6 Focus input of external division into two terminal
I
51 VIN7
52 VIN8 I
53 I
VIN9
I
54 VIN10
55 VCC1 - Power supply terminal 5V
56 VREF1 O
VREF1 voltage output terminal
I
57 VIN1 External division into four (DVD/CD) RF input
terminal1
58 VIN2 I External division into four (DVD/CD) RF input
terminal2
I
59 VIN3 External division into four (DVD/CD) RF input
terminal3
60 VIN4 I
External division into four (DVD/CD) RF input
terminal4
-
61 GND1 Connect to GND
62 VIN11 I
63 VIN12 I
64 HDTYPE
Description
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