Daewoo DTM-2930MP, Service Manual, Page: 39 / 66

1C DESCRIPTION
3. TDA8358J VERTICAL AMPLIFIER
The TDA8358J are power circuit for use in 90° and 110° colour deflection systems for field
frequencies of 25 to 200Hz field frequencies, and for 4:3 and 16/9 picture tubes. The IC contains
a vertical deflection output circuit, operating as a high efficiency class G system. The full bridge
output circuit allows DC coupling of the deflection coil in combination with single positive supply
voltages.
The east-west output stage is able to supply the sink current for a diode modulator circuit.
The IC is constructed in a Low Voltage DMOS(LVDMOS) process that combines bipolar, CMOS
and DMOS devices. DMOS transistors are used in the output stage because of the absence of
second breakdown.
3.1 TDA8358J
Features:
- Few external components
- Highly efficient fully DC-coupled vertical bridge output circuit
- Vertical flyback switch with short rise and fal times
- Built-in guard circuit
- Thermal protection circuit
- Improved EMC performance due to differential inputs
- East-west output stage
IN A 1
□
i n e
; 2
V p
■j
O U T в
4
I N E W
г
V G N D 6
TDA8358J
E W G N D
T
O U T E vV
2.
V FB
9
O U T A
10
G U A R D 11
F E E D B
12
C O M P 13
____ □ ____
MGL86T
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