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Service Manual CP-785F
IN1-
IN1+
9
IN2-
IN2+
MODE
SVR
4-4 TDA835xJ Vertical Amplifier
The TDA835xJ are power circuit for use in 90¡ and 110¡ colour deflection systems for field
frequencies of 25 to 200Hz and 16/9 picture tubes. The circuit provides a DC driven vertical
deflection output circuit, operating as a highly efficient class G system. Due to the full bridge
output circuit the deflection coils can be DC coupled.
The IC is constructed in a Low Voltage DMOS process that combines Bipolar, CMOS and
DMOS devices. MOS transistors are used in the output stage because of the absence of
second breakdown.
V CC1
3
8
6
TDA8946J
12
STANDBY/
10
MUTE LOGIC
11
V CC2
16
V CC
SHORT CIRCUIT
AND
TEMPERATURE
PROTECTION
2
15
GND1
GND2
-24-
1
OUT1-
4
OUT1+
17
OUT2-
14
OUT2+
MBK933
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