LG GDR-8162B Service Manual page 30

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Pin Description
No
1 VINI2 3-beam sub(cd) input 2
2 LPC1 Laser pin input (DVD head)
3 LPCO1 Laser drive output (DVD head)
4 LPC2 Laser pin input (CD head)
5 LPCO2 Laser drive output (CD head)
6 VFOSHORT VFOSHORT control
7 FBAL Focus balance control
8 DTRD Data slice data read signal input (for RAM)
9 IDGT Data slice address gate signal input(for RAM)
10 SEN SEN (serial data input)
11 SCK SCK (serial data input)
12 STDI STDI (serial data I/O)
13 JLINE J-line current setting
14 TEOUT Tracking error signal output
15 GND3 Ground 3
16 ASOUT Full addition signal output
17 VHALF VHALF voltage output
18 FEOUT Focus error signal output
19 GND1 Ground 1
20 RFDIFO Radial differential output
21 DCFLT Filter output capacitance connection
22 VREF2 VREF2 voltage output
23 DFLTON Filter amplifier inverted output
24 DFLTOP Filter amplifier positive output
Function No
25 RFOUT RF full-addition amplifier output
26 DCRF DC-cut filter of RF full-addition amplifier
27 OFTR OFTR output
28 BDO BDO output
29 RFENV RF envelope output
30 PEAK Peak envelope detection filter
31 AGCG AGC amplifier gain control
32 AGCO AGC amplifier level control
33 TEST SG TEST signal input
34 RFINP RF signal positive input
35 RFINN RF signal inverted input
36 VIN5 Internal four-partition (CD) RF input 1
37 VIN6 Internal four-partition (CD) RF input 2
38 VCC2 Power supply 2 (5V)
39 VIN7 Internal four-partition (CD) RF input 3
40 VIN8 Internal four-partition (CD) RF input 4
41 VCC3 Power supply 3 (3.3V)
42 VREF1 VREF1 voltage output
43 VIN1 Internal four-partition (DVD) RF input 1
44 VIN2 Internal four-partition (DVD) RF input 2
45 VCC1 Power supply 1 (5V)
46 VIN3 Internal four-partition (DVD) RF input 3
47 VIN4 Internal four-partition (DVD) RF input 4
48 VIN11 3-beam sub (CD) input 1
Function
35