Philips TC8.1L CA, Руководство по обслуживанию

Страница: 27 / 34

Circuit Descriptions, Abbreviation List, and IC Data Sheets EN 27 TC8.1L CA 9.
9.3.6 IC301 (LA78040N-E)
IC301 is a vertical deflection output IC.
Its block diagram and pin connection are as follows:
Figure 9-5 Block diagram and pinning of IC301 (LA78040N-E)
9.3.7 Q402 (BU4508DZS)
Q402 is a high speed switching, high voltage PNP power
transistor with a built-in damper diode, designed for use in
horizontal deflection circuits.
The pinning is as follows:
Figure 9-6 Pinning of Q402 (BU4508DZS)
Block Diagram
H_17130_031.eps
240407
Pin Configuration
1 7
H_171 3 0_0 33 .ep s
240407
b
c
e
Rbe
1 2 3
case
PIN DESCRIPTION
1 base
2 collector
3 emitter
case isolated
PIN CONFIGURATION
PINNING SOT186A
SYMBOL