Service manual CHASSIS 2112-Series EC7-A
32
8. GLOSSARY OF TERMS
ABL
: Auto Beam Limiter. Circuit for limiting the beam current.
AFC
: Automatic frequency control.
AGC
: Auto Gain Control. Voltage that controls the gain of the tuner.
AKB
: Automatic control of beam cathode.
B/G
: TV system. Audio carrier is 5,5MHz. above the video carrier.
BANDGAP
: Voltage reference.
BCI
: Beam Current Information. Voltage which is directly proportional to beam current.
BCL
: See ABL. BCL also refers to the low-pass filtered BCI signal.
CUTOFF
: The point in which the beam current disappears.
CVBS
: Video signal and synchronism.
CHROMA
: Chrominance signal.
D/K
: TV system. Audio carrier is 6,5MHz. above the video carrier.
DRIVER
: Circuit that attacks the base of line transistor.
EEPROM
: Non volatile memory.
EMC
: Electromagnetic compatibility.
Fh
: Horizontal frequency.
FLOF
: TXT page navigation by colour links.
FLYBACK
: Signal produced in the line transistor connector during the return of the beam sweeping. It is also called
flyback to the time lapse of the beam return.
HEATER
: CRT cathode heating filaments.
I
: TV system. Audio carrier is 6MHz above the video carrier.
I2C
: Serial communication bus with two lines, SDA for data and SCL for clock.
IF
: Intermediate frequency.
IR
: Infrared.
L
: French TV system. Positive video modulation and AM sound.
L’
: Same as L but with inverted signal spectrum.
LIST
: Definition of preferred TXT pages by the user.
MUTE
: Audio mute or video signal blanking.
NVM
: Non volatile memory.
OSD
: On Screen Display. Pictures generated by the microprocessor.
PLL
: Phase locked loop.
PWM
: Pulse width modulation.
SCART
: Euroconnector.
SIF
: Sound intermediate frequency.
SMPS
: Switched mode power supply.
TRC
: Cathode ray tube.
VCO
: Voltage controlled oscillator.
Y
: Luminance signal.
Note:
All information in this manual is correct at the start of production.
SANYO reserves its right to modify components and procedures in order
to comply with its continuous improvement policy.
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