JVC SP-PWV70, Руководство по обслуживанию

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TH-V70R
1-30 (No.21175)
4.5 AN8703FH-V (IC101) : Frontend processor for DVD
• Pin layout
• Pin function
1
16
48
33
64 49
17 32
Pin No. Symbol I/O Description
1 LPC1 I Laser input terminal (DVD)
2 LPC01 O Laser drive signal output terminal (DVD)
3 LPC2 I Laser input terminal (CD)
4 LPC02 O Laser drive signal output terminal (CD)
5 VFOSHORT I VFOSHORT control terminal
6 TBAL I Tracking balance control terminal
7 FBAL I Focus balance control terminal
8 POFLT O Track detection threshold level terminal
9 DTRD I Data slice part data read signal input ter-
minal(For RAM)
10 IDGT I Data slice part address part gate signal
input terminal( For RAM)
11 STANDBY I Standby mode control terminal
12 SEN I SEN(Serial data input terminal)
13 SCK I SCK(Serial data input terminal)
14 STDI I STDI(Serial data input terminal)
15 RSCL I Standard electric current terminal
16 JLINE I Electric current setting terminal of JLine
17 TEN I Reversing input terminal of tracking error
output AMP.
18 TEOUT O Tracking error signal output terminal
19 AGCBAL I Offset adjusting terminal 1
20 ASOUT O Full adder signal output terminal
21 FEN I Focus error output amplifier reversing in-
put terminal
22 FEOUT O Focus error signal output terminal
23 AGCOFST I Offset adjusting terminal 2
24 MON - Non connect
25 AGCLVL O Output amplitude adjustment for DRC
26 GND2 - Connect to GND
27 VREF2 O VREF2 voltage output terminal
28 VCC2 - Power supply terminal 5V
29 VHALF O VHALF voltage output terminal
30 DFLTON O Reversing output terminal of filter AMP.
31 DFLTOP O Filter AMP. output terminal
32 DCFLT I Capacity connection terminal for filter
output
33 GND3 - Connect to GND
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 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
42 BOTTOM O Bottom envelope detection filter terminal
43 PEAK O Peak envelope detection filter terminal
44 AGCG O AGC amplifier gain control terminal
45 AGCO O AGC amplifier level control terminal
46 TESTSG I TEST signal input terminal
47 RFINP I 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
53 VIN9 I External two-partition (DVD) RF input 2
54 VIN10 I External two-partition (DVD) RF input 1
55 VCC1 - Power supply terminal 5V
56 VREF1 O VREF1 voltage output terminal
57 VIN1 I 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
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)
64 HDTYPE O HD Type selection
Pin No. Symbol I/O Description