Daewoo DTD-21H9, Service Manual, Page: 27 / 46

CP-093F Service Manual
Full bridge vertical deflection output circuit
in LVDMOS
TDA8357J
BLOCK DIAGRAM
handbook, full pagewidth
MGS803
INPUT
AND
FEEDBACK
CIRCUIT
GUARD
CIRCUIT
TDA8357J
9
7
M2
M5
M4
M1
M3
D1
D3
D2
4
5
2
1
8 6 3
INA
INB
GND
GUARD
VP VFB
VI(bias)
Vi(p-p)
VI(bias)
0
Vi(p-p)
0
OUTB
OUTA
FEEDB
Fig.1 Block diagram.
PINNING
SYMBOL PIN DESCRIPTION
INA 1 input A
INB 2 input B
V
P
3 supply voltage
OUTB 4 output B
GND 5 ground
V
FB
6 flyback supply voltage
OUTA 7 output A
GUARD 8 guard output
FEEDB 9 feedback input
handbook, halfpage
INA
INB
VP
OUTB
GND
VFB
OUTA
GUARD
FEEDB
1
2
3
4
5
6
7
8
9
TDA8357J
MGS804
Fig.2 Pin configuration.
The exposed die pad is connected to pin GND.
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