A monocarrier is holding all receiver parts exception for power supply which is located right side in the cabinet.
Power supply is based on STR455.M51397 V(cc): 16V; 1400mW; chroma system. For secam system color TV, color signal processors in 30-pin PDIP package. Operational temperature range from -20°C to 65°C.
TA7698AP Video-Chroma-Deflection System for a Color Television (PAL, NTSC)TA7698AP TOSHIBA INTEGRATED CIRCUIT TECHNICAL DATA TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT
SILICON MONOLITHIC
VIDEO—CHROMA-DEFLECTION SYSTEM FOR A COLOR TELEVISION (PAL, NTSC)
The TA7698AP combines a PAL/NTSC Video— Chroma subsystem and a Deflection combination on a single monolithic integrated circuit to provide a PAL or PAL/NTSC color television.
This device includes a Video amplifier , PAL ,and NTSC color demodulator these are designed
to provide color differential signal outputs, and improved Sync—separator, Horizontal
oscillator with saw tooth wave type AFC, Horizontal pre-driver with X'ray protection include
circuit, Vertical oscillator and Vertical Predriver in a dual-in-line type plastic package.
FEATURES:
Video-Chroma Section
. Simple PAL/NTSC System switch (Demodulator, Flip—flop, Tint control for NTSC)
. Suitable to a Multi-CTV System :
TA7698AP ... PAL/NTSC Dual System
TA7698AP + SECAM combination ... 3 or more system
. Minimum Numbers of External Parts Required.
. Stabilized with Respect to Variation of Temperature and Supply Voltage.
. A Few Initial Adjustment Required.
Deflection Section
. Excellent Temperature Stability of Horizontal Oscillator.
. Exact 50% Duty Cycle Outupt Due to the 2—fH Oscillator and Flip-Flop Circuit.
. Excellent Interface.
TA7680AP TELEVISION PIF + SIF SYSTEM
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