LG KF-20P31 Service Manual page 3

Video
Video Signal Processing System ....................................................................................................................................................................................................................PAL/SECAM
Video Recording System .........................................................................................................................................................................2 Rotary head helical scanning system
Head ...........................................................................................................................................................................................................................................................................................Two heads
Tape Speed .......................................................................................................................................................................................................................................................................................SP/LP
Tape Format ..............................................................................................................................................................................................................................................................VHS, width 1/2"
Timer Program ...............................................................................................................................................................................1Year, 5 programs, Normal/Daily/Weekly REC
Tape Loading System ..............................................................................................................................................................................................................................................Front loading
Input/Output Signal Level .............................................................................................................................................................................................................1Vp-p, 75Ω unbalanced
Audio
Audio Recording System .....................................................................................................................................................................................................................................................Normal
Head ..................................................................................................................................................................................................................................................................................Normal(MONO)
Input/Output Signal Level .............................................................................................................................................Input (0.5Vrms, 10KΩ↑), Output (0.5Vrms, 1KΩ↓)
General
Power Source ....................................................................................................................................................................................................................................................AC230V, 50/60Hz
Power Consumption ........................................................................................................................................................................................................................................................20" : 100W
Channel Capability ...............................................................................................................................................................................................VHF: 2-12, UHF: 21-69, CATV: S1-S20
Tuning System .............................................................................................................................................................................................................................................Voltage Synthesizer
Antenna ..................................................................................................................................................................................................................................................................UHF/VHF (75 ohm)
Sound Output ..............................................................................................................................................................................................................................3Wmax. at 50KHz deviation
Operating Condition ..........................................................................................................................................................................................................5°C~35°C, less than 80% RH
ABBREVIA TIONS
ADJ ............................................................................................Adjustment or Adjust
AFC ......................................................................Automatic Frequency Control
AGC ......................................................................................Automatic Gain Control
AMP ........................................................................................................................Amplifier
CPT................................................................................................... Color Picture Tube
DEF ........................................................................................................................Deflection
DET ...........................................................................................................................Detector
FBT ..............................................................................................Flyback Transformer
H.V ....................................................................................................................High Voltage
OSC ........................................................................................................................Oscillator
SEP .........................................................................................................................Separator
SYNC ......................................................................................................Synchronization
S.I.F .......................................................................Sound Intermediate Frequency
V.I.F .......................................................................Video Intermediate Frequency
1-2
SPECIFICA TIONS
: Used in this book
H ...............................................................................................................................Horizontal
V ....................................................................................................................................Vertical
IC ...........................................................................................................Integrated Circuit
OSD ..................................................................................................On-Screen Display
SAP ........................................................................................Second Audio Program
BPF ...........................................................................................................Band Pass Filter
ST ....................................................................................................................................Stereo
LPF ............................................................................................................Low Pass Filter
DP ........................................................................................................Differential Phase
DG ........................................................................................................Differential Group
PLL.................................................................................................. Phase Locked Loop
APC ..................................................................................Automatic Phase Control
BM ...............................................................................................................................B+ Main
BT ............................................................................................................................B+ Tuning
/NTSC 4.43(VCR playback only)
21" : 110W