Colour Television Chassis: M123A
67
FM Frequency Modulation
HA Horizontal Acquisition: horizontal sync pulse coming out of the HIP Circuit Description
HFB Horizontal Flyback Pulse: horizontal sync pulse from large signal deflection
HP Headphone
Hue Colour phase control for NTSC (not the same as 'Tint')
I Monochrome TV system. Sound carrier distance is 6.0 MHz
I2C Integrated IC bus
IF Intermediate Frequency
IIC Integrated IC bus Interlaced Scan mode where two fields are used to form one frame. Each
field contains half the number of the total amount of lines. The fields are written in “pairs”,
causing line flicker.
ITV institutional TV
LATAM Latin America
LED Light Emitting Diode
L/L' Monochrome TV system. Sound carrier distance is 6.5 MHz. L' is Band I, L is all bands
except for Band I
LNA Low Noise Amplifier
LS Large Screen
LS Loudspeaker
LSP Large signal panel
M/N Monochrome TV system. Sound carrier distance is 4.5 MHz
MSP Multi-standard Sound Processor:
ITT sound decoder
MUTE Mute-Line
NC Not Connected
NICAM Near Instantaneous Compounded Audio Multiplexing. This is a digital sound system,
mainly used in Europe.
NTSC National Television Standard Committee. Colour system mainly used in North America
and Japan. Colour carrier NTSC M/N = 3.579545 MHz, NTSC 4.43 = 4.433619 MHz (this is a
VCR norm, it is not transmitted off-air)
NVM Non Volatile Memory: IC containing TV related data e.g. alignments
OB Option Byte
OC Open Circuit
OSD On Screen Display
PAL Phase Alternating Line. Colour system mainly used in West Europe (colour carrier =
4.433619 MHz) and South America (colour carrier PAL M = 3.575612 MHz and PAL N =
3.582056 MHz)
PCB Printed Circuit board
PIP Picture In Picture
PLL Phase Locked Loop. Used for e.g.
FST tuning systems. The customer can give directly the desired frequency
POR Power-On Reset Progressive Scan Scan mode where all scan lines are displayed in one
frame at the same time, creating a double vertical resolution.
PTP Picture Tube Panel (or CRT-panel)
RAM Random Access Memory
GB 69 L01.2A 9.
11. List of Abbreviations
Summary of Contents for CTR1042
Page 41: ...Colour Television Chassis M123A 41 6 Block Diagram and I2C 6 1 Block Diagram...
Page 49: ...Colour Television Chassis M123A 49 7 Electrical Diagrams 7 10 CRT Panel...
Page 52: ...Colour Television Chassis M123A 52 8 PCB 8 1 Main PCB...
Page 53: ...Colour Television Chassis M123A 53 8 PCB 8 2 CRT PCB...
Page 54: ...Colour Television Chassis M123A 54 8 PCB 8 3 MPX PCB...
Page 55: ...Colour Television Chassis M123A 55 8 PCB 8 4 SIDE AV PCB...
