Abbreviation List - Yamaha DVD-S530 Service Manual

ABBREVIATION LIST

ADC Analog to Digital Converter
AM Amplitude Modulation
BE Basic Engine
ComPair Computer aided rePair
CD-DA CD Digital Audio
CS Chip Select
DAC Digital to Analog Converter
DAIO Digital Audio Input Output
DENC Digital Encoder
DFU Direction For Use: description for the
end user
DNR Dynamic Noise Reduction
DRAM Dynamic RAM
DSD Direct Stream Digital
DSP Digital Signal Processing
DTS Digital Theatre Sound
DVD Digital Versatile Disc
EEPROM E l e c t r i c a l l y
Programmable Read Only Memory
EFM Eight to Fourteen bit Modulation
EMI External Memory Interface (STi55xx)
FFC Flat Foil Cable
FLASH Flash memory
HPF High Pass Filter
HW Hardware
I2C Integrated IC bus (signals at 5V
level)
I2S Integrated IC Sound bus (signals at
3.3V level)
IC Integrated Circuit
IF Intermediate Frequency
IRQ Interrupt Request
LLD Loss Less Decoder
LPCM Linear Pulse Code Modulation
LRCLK Left/Right clock
LVTTL L o w V o l t a g e T r a n s i s t o r – t o –
Transistor Logic (3.3V logic)
MACE Mini All Compact Disc Engine
MPEG Motion Pictures Experts Group
NC Not Connected
NVM Non Volatile Memory: IC containing
TV related data e.g. alignments
OC Open Circuit
OPU Optical Pick-up Unit
PCB Printed Circuit Board (see PWB)
PCM Pulse Code Modulation
PCM_CLK Audio system clock for DAC
PCM_OUTx Audio serial output data
PSU Power Supply Unit
PWB Printed Wiring Board (see PCB)
RAM Random Access Memory
RGB Red, Green and Blue color space
ROM Read Only Memory
S2B S e r i a l
communication bus between host-
and servo processor
E r a s a b l e a n d
t o B a s i c E n g i n e ,
SCL Serial Clock I2C
SCLK Audio serial bit clock
SDA Serial Data I2C
SDRAM Synchronous DRAM
S/PDIF Sony Philips Digital InterFace
SRAM Static RAM
STBY Standby
SVCD Super Video CD
SW Software
THD Total Harmonic Distortion
TTL Transistor–to–Transistor Logic (5V
logic)
uP Microprocessor
VCD Video CD
Y/C Luminance (Y) and Chrominance (C)
signal
YUV Component video
DVD-S530/DV-S5550
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