LG FE-286E User Manual

- 2-7 -
(CH1)
(CH2)
1. HF signal (RF signal ) waveform
(IC801 pin 3) during normal play
2. EFM signal (IC801 pin 3)waveform
during Normal Play
3. Focus coil drive waveform(IC802 pin13)
• When focus search failed or there is no disc on the tray
• Focus coil drive waveform(FDO: IC801 pin21) and
DRF(IC801 pin67) when focus search is accomplished
4. Tracking coil drive waveform and TE during track
traverse
(1) When time division is 20mS/Div.1V/Div.
(2) When time division 1mS/Div, 1V/Div
(During forward track traverse)
(3) When time division is 0.5nS/div.
(During backward Track Traverse)
5. Feed motor drive waveform(IC 802 pin18)
During normal play
CH1 : FOCUS COIL DRIVE
SIGNAL 2V/Div.
CH2 : DRF
CH1 : TRACKING COIL DRIVE
SIGNAL 2V/Div. (IC802 pin27)
CH2 : TRACKING ERROR(TE: IC801 pin15)
1V/Div.
(
(
(
CH2 : TRACKING COIL DRIVE (IC802 pin27)
SIGNAL 2V/Div.
CH2 : TRACKING ERROR (TE: IC801 pin15)
1V/Div.
(
CH1 : TRACKING COIL DRIVE (IC802 pin27)
CH2 : TRACKING ERROR (TE: IC801 pin15)
(
0.5V/Div.
500nS/Div.
(
1S/Div.
1V/Div.
(
1mS/Div.
1V/Div.
(
0.5V/Div.
5µS/Div.
(
2S/Div.
0.5V/Div.
OV
OV
OV
(CH1)
(CH2)
(CH1)
(CH2)
(CH2)
OV
OV
OV
OV
OV
OV
OV
OV
OV
WAVEFORMS OF MAJOR CHECK POINT

LG FE-286E Specifications

General

Brand	LG
Model	FE-286E
Category	Stereo System
Language	English