JVC MX-DVA9 Service Manual page 37

AN8702FH(IC101):Frontend processor
1.Pin layout
2.Pin function
Symbol I/O
Pin No.
1 PC1 I Input for Laser current monitor
O
2 PC01 Laser power control output for DVD
Photo detector fo CD
3 PC2 I
O Laser power control output for CD
4 PC02
I
TGBAL Tangential phase balance control terminal
5
I
Tracking balance control terminal
6 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
12 SEN SEN(Serial data input terminal)
I
SCK(Serial data input terminal)
13 SCK
I
STDI(Serial data input terminal)
14 STDI
I
15
RSEL DVD and CD selection
16
JLINE I J-line setting output (FEP)
17 TEN
I
Tracking error output amplifier reversing input terminal
18 TEOUT O Tracking error signal output terminal
19 ASN Off set adjustment terminal for DRC
I
20 ASOUT All added signal output terminal
O
I
21 FEN Focus error output amplifier reversing input terminal
O
22 FEOUT Focus error signal output terminal
-
Connect to GND
23 VSS
O
Tangential phase error signal output terminal
24 TG
-
25 Power supply terminal 3V
VDD
-
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
30 DFLTON Filter amplifier reversing output terminal
O
31 DFLTOP O Filter amplifier output terminal
O
32 DSFLT Connected capacitor terminal for filter output
-
Connect to GND
33 GND3
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.
O
34 RFDIFO RF operation output terminal
35 RFOUT O RF output terminal
-
36 VCC3 Power supply terminal 5V
I Filter for RF amplifier
37
RFC
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
O
43 PEAK Peak envelope detection filter terminal
O
44 AGCG AGC amplifier gain control terminal
45 AGCO O 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
RF input of external division into 4 terminal for CD
50 VIN6 I
RF input of external division into 4 terminal for CD
51 VIN7 I
RF input of external division into 4 terminal for CD
52 VIN8 I RF input of external division into 4 terminal for CD
I
53 VIN9
RF input of external division into 2 terminal for DVD
I
54 VIN10
RF input of external division into 2 terminal for DVD
-
55 VCC1 Power supply terminal 5V
O
56 VREF1 VREF1 voltage output terminal
57 I
VIN1 External division into four (DVD/CD) RF input
terminal1
58 VIN2 I
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 3 beem sub input terminal for CD
62 VIN11
63 I
VIN12 3 beem sub input terminal for CD
64 HDTYPE HD type switching
I
MX-DVA9/MX-DVA9R
Description
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