Service Guide

®
STV223XD/223X/224X
BUS CONTROLLED MULTISTANDARD
ONE CHIP TV PROCESSOR
PRODUCT PREVIEW
FEATURES
■ I 2 C BUS CONTROL.
■ PIF CIRCUIT WITH PLL DEMODULATION
(Positive and Negative Video).
■ SIF CIRCUIT WITH QSS STRUCTURE, FM
DEMODULATION AND AM DEMODULATION
FOR FRANCE.
■ INTERCARRIER CAPABILITY.
■ BUILT IN SOUND BANDPASS.
■ SOUND SUB CARRIERS OUTPUT FOR
STEREO CHASSIS (FM, Nicam).
■ AUDIO SWITCH AND VOLUME CONTROL
(Mono Chassis).
■ INTEGRATED CHROMA FILTERS AND LUMA
DELAY LINE.
■ INTEGRATED CHROMA DELAY LINE.
■ VIDEO SWITCH (3 CVBS IN, 1 or 2 CVBS
OUT).
■ SVHS SWITCH
(Y combined with CVBS3 input).
■ OSD RGB INPUTS.
■ EXTERNAL RGB/YUV INPUTS or YUV
INTERFACE.
■ PAL / SECAM / NTSC CHROMA
DEMODULATORS.
■ AUTO FLESH CONTROL CAPABILITY IN
NTSC.
■ SOUTH AMERICA CAPABILITY (PALM/PALN/
NTSC).
■ CHROMA SUBCARRIER OUTPUT.
■ BLACK STRETCH CIRCUIT.
■ PEAKING CIRCUIT.
■ AUTOMATIC CUT-OFF CURRENT LOOP.
■ MANUAL CUT-OFF POSSIBLE FOR LOW
COST APPLICATIONS.
■ TWO PLLs HORIZONTAL DEFLECTION.
■ VERTICAL COUNT DOWN.
■ HALF CONTRAST (optional).
■ APR (Automatic RGB peak regulation)
FUNCTION (optional).
■ SAW FILTER SWITCH CONTROL (optional).
■ VERY FEW EXTERNAL COMPONENTS.
DESCRIPTION
The STV223XD/223X/224X are fully bus controlled
ICs for TV including PIF, SIF, luma, chroma
and deflection processing. Used with a vertical
frame booster (TDA1771 or TDA8174 for 90°
chassis, STV9306 for 110° chassis), they allow
the design of multistandard (BGDKIMNLL, PAL/
SECAM/NTSC) sets with very few external components
and no manual adjustments.
SHRINK56
(Plastic Package)
ORDER CODE: STV223X/4X/8X
TQFP64 (14 x 14 x 1.4 mm)
(Full Thin Plastic Quad Flat Pack)
ORDER CODE: STV223XD
August 1999 - V4.2 - 1/72
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.