Agcbal - JVC XV-N30BK[MK2] Service Manual

• Pin function
Pin No. Symbol
1 LPC1
2 LPCO1
3 LPC2
4 LPCO2
5 VFOSHORT VFOSHORT control
6 TBAL
7 FBAL
8 POFLT
9 DTRD
10 IDGT
11 STANBY
12 SEN
13 SCK
14 STDI
15 RSCL
16 JLINE
17 TEN
18 TEOUT
19

AGCBAL

20 ASOUT
21 FEN
22 FEOUT
23 AGCOFST Offeset adjustment for DRC-2
24 MON
25 AGCLVL
26 GND2
27 VREF2
28 VCC2
29 VHALF
30 DFLTON
31 DFLTOP
32 DCFLT
33 GND3
34 RFDIFO
35 RFOUT
36 VCC3
37 RFC
38 DCRF
39 OFTR
40 BDO
41 RFENV
42 BOTTOM
43 PEAK
44 AGCG
45 AGCO
Laser pin input (DVD head)
Laser drive output (DVD head)
Laser in input (CD head)
Laser drive output (CD head)
Tracking balance control
Focus balance control
Track detection threshold level
Data slice data read signal input (for RAM)
Data slice address gate signal input (for RAM)
Standby mode control
SEN (serial data input)
SCK(serial data input)
STDI(serial data I/O)
Reference current setting
J-line vurrent setting
Tracking error amplifier inverted input
Tracking error signal output
Offset adjustment for DRC-1
Full addition signal output
Focus error amplifier inverted input
Focus error signal output
Monitor
Output amplitude adjustment for DRC
Ground 2
VREF2 voltage output
Power supply 2 (5V)
VHALF voltage output
Filter amplifier inverted output
Filter amplifier positive output
Filter output capacitance connection
Groud 3
Raidal differntial output
RF full-addition amplifier output
Power supply 3 (3.3V)
Filter for RF-group delay correction amplifier
DC-cut filter for RF full-addition amplifier
OFTR output
BDO output
RF envelope output
Bottom envelope detection filter
Peak envelope detection filter
AGC amplifier again control
AGC amplifier level control
Function
(No.XA002)1-27