LG EV700 - Page 54

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TDA4866 Current Driven Vertical Deflection Booster
SYMBOL
INA
INB
V
P
OUTB
GND
OUTA
V
FB
GUARD
FEEDB
DESCRIPTION
Input A
Input B
Supply Voltage
Output B
Ground (Mounting Base)
Output A
Flyback Supply Voltage
Guard Output
Feedback Input
PIN
1
2
3
4
5
6
7
8
9
TDA4866
1
2
3
4
5
6
7
8
9
INA
INB
OUTB
GND
OUTA
V
FB
GUARD
FEEDB
V
P
TDA4866
Pin Configuration
1
9
GUARD
Output
GNDV
P
R
P
R
ref
R
m
V
FB
+
+
83 5 7
1
2
4
9
6
TDA4866
GUARD
CIRCUIT
FLYBACK
GENERATOR
INPUT STAGE PROTECTION
AMPLIFLER A
AMPLIFLER B
INA
INB
from e.g.
TDA4850/51/55
OUTA
FEEDB
OUTB
MED750
vertical
deflection
coil
BLOCK DIAGRAM
LM2407 Monolithic Triple 7.5nS CRT Driver
LM2407
1
10
11
VIN 1
VBB
VIN 2
VIN 3
GND
VCC
VOUT 3
GND 2
V
OUT 2
GND 1
VOUT 1
CVA2422T
11
10
9
8
7
6
5
4
3
2
1