TDA1675A
DESCRIPTION
The TDA1675A is a monolithic integrated circuit in 15-lead Multiwatt® package. It is a full performance and very efficient vertical deflection circuit intended for direct drive of the yoke of 110o colour TV picture tubes. It offers a wide range of applications also in portable CTVs, B&W TVs, monitors and displays. PIN CONNECTIONS (top view)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
FLYBACK SUPPLY BLANKING OUTPUT AMPLIFIER INPUT (-) AMPLIFIER INPUT (+) RAMP OUTPUT RAMP GENERATOR GROUND HEIGHT ADJUSTMENT OSCILLATOR SYNC. INPUT OSCILLATOR OSCILLATOR AMPLIFIER SUPPLY AMPLIFIER OUTPUT
1675A-01.EPS
Tab connected to Pin 8
September 1993
1/11
BLOCK DIAGRAM
+ +V S
BLANKING OUT
+ C f
BLANK GENERATOR AND CRT PROTECTION 6
VOLTAGE REGULATOR
FLYBACK GENERATOR
Ro 4
Co 3
OSCILLATOR RAMP GENERATOR
R3
+
CLOCK PULSE
POWER AMP.
- 1
Ly Ry Iy
YOKE
R1
R2 12
Re
SYNC.
SYNC.
BUFFER STAGE
THERMAL...