JVC XV-S40BK Service Manual page 25

Description of major ICs
AN8703FH-V (IC101) : Frontend processor
1.Pin layout
64 49
1 48
16 33
17 32
2.Pin function
Symbol I/O
Pin No.
I
1 LPC1 Laser input terminal (DVD)
O
2 LPC01 Laser drive signal output terminal (DVD)
I
3 LPC2 Laser input terminal (CD)
O
Laser drive signal output terminal (CD)
4 LPC02
I
VFOSHORT control terminal
5 VFOSHORT
I
6 Tracking balance control terminal
TBAL
I
7 Focus balance control terminal
FBAL
O
8 Track detection threshold level terminal
POFLT
I
9 DTRD Data slice part data read signal input terminal
(For RAM)
I
10 IDGT Data slice part address part gate signal input
terminal( For RAM)
I
11 STANDBY Standby mode control terminal
I
SEN(Serial data input terminal)
12 SEN
I
SCK(Serial data input terminal)
13 SCK
I
14 STDI(Serial data input terminal)
STDI
I
15 Standard electric current terminal
RSCL
I
16 Electric current setting terminal of JLine
JLINE
I
17 TEN Reversing input terminal of tracking error output AMP.
O
18 TEOUT Tracking error signal output terminal
I
19 AGCBAL Offset adjusting terminal 1
O
20 ASOUT Full adder signal output terminal
I
21 FEN Focus error output amplifier reversing input terminal
O
22 FEOUT Focus error signal output terminal
I
Offset adjusting terminal 2
23 AGCOFST
-
24 Non connect
MON
O
25 Output amplitude adjustment for DRC
AGCLVL
-
26 Connect to GND
GND2
O
27 VREF2 VREF2 voltage output terminal
-
28 VCC2 Power supply terminal 5V
O
29 VHALF VHALF voltage output terminal
O
30 DFLTON Reversing output terminal of filter AMP.
O
31 DFLTOP Filter AMP. output terminal
I
32 DCFLT Capacity connection terminal for filter output
-
Connect to GND
33 GND3
Description
XV-S40BK/XV-S42SL/XV-S45GD
Symbol I/O
Pin No.
-
34 RFDIFO Non connect
-
35 RFOUT Connect to TP103
36 -
VCC3 Power supply terminal 3.3V
37 O
RFC Filter for RF delay correction AMP.
38 DCRF O
All addition amplifier capacitor terminal
39 OFTR O
OFTR output terminal
40 BDO O BDO output terminal
41 RFENV O RF envelope output terminal
O
42 BOTTOM Bottom envelope detection filter terminal
O
43 PEAK Peak envelope detection filter terminal
O
44 AGCG AGC amplifier gain control terminal
O
45 AGCO AGC amplifier level control terminal
I
46 TESTSG TEST signal input terminal
47 I
RFINP RF signal positive input terminal
48 RFINN I
RF signal negative input terminal
49 VIN5 I
Internal four-partition (CD) RF input 1
50 VIN6 I
Internal four-partition (CD) RF input 2
51 VIN7 - Internal four-partition (CD) RF input 3
52 VIN8 - Internal four-partition (CD) RF input 4
I
53 VIN9 External two-partition (DVD) RF input 2
I
54 VIN10 External two-partition (DVD) RF input 1
-
55 VCC1 Power supply terminal 5V
O
56 VREF1 VREF1 voltage output terminal
57 I
VIN1 Internal four-partition (DVD) RF input 1
58 VIN2 I
Internal four-partition (DVD) RF input 2
59 VIN3 I Internal four-partition (DVD) RF input 3
I
60 VIN4 Internal four-partition (DVD) RF input 4
-
61 GND1 Connect to GND
I
62 VIN11 3 beam sub input terminal 2 (CD)
63 I
VIN12 3 beam sub input terminal 1 (CD)
64 HDTYPE O
HD Type selection
XV-S30BK/XV-E100SL
Description
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