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1997 Oct 27 8
Philips Semiconductors Product specification
Vertical deflection power amplifier for
monitors
TDA4860
APPLICATION INFORMATION
Fig.4 GUARD circuit application on vertical output.
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, full pagewidth
MEH262
TDA4860
8
V
P3
V
P
5
2.2 Ω 3.3 kΩ
220 kΩ
>1 kΩ
22 µF
BC548
GUARD output
HIGH = error
2N5819
BAX13
vertical
output
signal
Fig.5 Application for flyback voltage generation by doubling the supply voltage.
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MHA592
yoke
470
µF
0.1 µF
5.25 mH
C2 100 µF
470 µF
1 MΩ
150 kΩ
270 Ω
10 kΩ
1.8 kΩ
BAX13
−
7.8 V
R1
1 Ω
1.8 kΩ
5.6 Ω
R2 240 Ω
V
P2
V
P3
87654321 9
PCO
R
PCO
V
N
V
P1
V-OUT SUB FLB
DIFFERENTIAL
INPUT
AMPLIFIER
VOLTAGE
STABILIZER
VERTICAL
DRIVER
from TDA4850
V-shift
+
9 V
VERTICAL
OUTPUT
TDA4860
THERMAL AND
SOAR
PROTECTION
FLYBACK
GENERATOR
FLYBACK
DRIVER
PULSE
CIRCUIT