Daewoo CP21S8 Series, Руководство по обслуживанию

Страница: 21 / 39

CP-202S Service Manual
-21-
· RGB control circuit with ‘Continuous Cathode Calibration’, white point and black level off-set
adjustment so that the color temperature of the dark and the light parts of the screen can be
chosen independently. When this ‘Continuous Cathode Calibration’ is not used, simple
alignment of the cutoff level is possible.
·
Adjustable ‘wide blanking’ of the RGB outputs
·
Horizontal synchronization with two control loops and alignment-free horizontal oscillator
·
Vertical count-down circuit
·
Vertical driver optimized for DC-coupled vertical output stages
·
Horizontal and vertical geometry processing with horizontal parallelogram and bow
correction and horizontal and vertical zoom
· The IC can be used as front-end for Progressive Scan or LCD TV receivers.
· Low-power start-up of the horizontal drive circuit
4.2 LA42205 STEREO AUDIO AMPLIFIER
SP series (Sanyo audio Power new series) is audio power IC which made Pin compatible
possible altogether in 3 to 15W.
The LA42205 is 2ch BTL audio power amplifier for TV application.
The SP series is included the pure complementary PNP and NPN Transistor output stage.
4.2.1 FEATURES
·
Po 5W x 2ch (VCC=11.5V,RL=8É ∂ ,THD=10%)
·
Built–in Standby and Mute function.
·
Full complement of built-in protection circuits
(Protection from shorting to ground, shorting to VCC,load shorting, and overheating.)
4.2.2 Black diagram and Pinning