JVC XV-S300BK Service Manual page 27

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
Laser input terminal (DVD)
1 LPC1
O
2 LPC01 Laser drive signal output terminal (DVD)
I
3 LPC2 Laser input terminal (CD)
O
4 Laser drive signal output terminal (CD)
LPC02
I
5 VFOSHORT VFOSHORT control terminal
I
6 TBAL Tracking balance control terminal
I
7 Focus balance control terminal
FBAL
O
Track detection threshold level terminal
8 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
14 STDI STDI(Serial data input terminal)
I
15 RSCL Standard electric current terminal
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 Full adder signal output terminal
ASOUT
I
Focus error output amplifier reversing input terminal
21 FEN
O
22 FEOUT Focus error signal output terminal
I
23 AGCOFST Offset adjusting terminal 2
-
24 Non connect
MON
O
Output amplitude adjustment for DRC
25 AGCLVL
-
26 GND2 Connect to GND
O
27 VREF2 voltage output terminal
VREF2
-
Power supply terminal 5V
28 VCC2
O
29 VHALF VHALF voltage output terminal
O
30 DFLTON Reversing output terminal of filter AMP.
O
31 Filter AMP. output terminal
DFLTOP
I
Capacity connection terminal for filter output
32 DCFLT
-
33 GND3 Connect to GND
Description Symbol I/O
Pin No.
34 RFDIFO -
Non connect
-
35 RFOUT Connect to TP103
-
36 VCC3 Power supply terminal 3.3V
37 RFC O
Filter for RF delay correction AMP.
38 O
DCRF All addition amplifier capacitor terminal
O
39 OFTR 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
44 AGCG O AGC amplifier gain control terminal
45 AGCO O
AGC amplifier level control terminal
I
46 TESTSG TEST signal input terminal
I
47 RFINP RF signal positive input terminal
48 RFINN I
RF signal negative input terminal
49 I
VIN5 Internal four-partition (CD) RF input 1
I
50 VIN6 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
56 VREF1 O
VREF1 voltage output terminal
I
57 VIN1 Internal four-partition (DVD) RF input 1
58 VIN2 I
Internal four-partition (DVD) RF input 2
I
59 VIN3 Internal four-partition (DVD) RF input 3
60 VIN4 I
Internal four-partition (DVD) RF input 4
-
61 GND1 Connect to GND
62 VIN11 I 3 beam sub input terminal 2 (CD)
63 VIN12 I
3 beam sub input terminal 1 (CD)
O
64 HDTYPE HD Type selection
XV-S300BK/XV-S302SL
Description
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