JVC 250 - Manual (Page 7)

Chapter 1---Introduction
Model 250 Service Manual 1-3
SECAM Sequential couleur a memoire (sequencial
color with memory
SRB Scan Reversal Board
SYNC Synchronization
TTL Transistor-Transistor Logic
UL Underwriter Laboratories
UV Ultraviolet
VAB Video Amplifier Board
VCO Voltage Controlled Oscillator
VIC Video Input Card
VIN Video Input
VPB Video Processor Board
VSYNC Vertical Sync
VTR Video Tape Recorder
Y Luminance