LG CS990D-EP Service Manual page 44

KA7812, 7805
1
2
3
1: Input
2: GND
3: Output
1
Positive Voltage Regulator 5V (8V, 12V)
BLOCK DIAGRAM
INPUT
1
STARTING
CIRCUIT
TDA8172 Vertical Deflection Output Circuit
7
CURRENT
GENERATOR
REFERENCE ERROR
VOLTAGE AMPLIFIER
7
6
5
4
3
2
1
Pin Configuration
- 44 -
SERIES
OUTPUT
PASS
ELEMENT
SOA
PROTECTION
THERMAL
PROTECTION
NON-INVERTING INPUT
OUTPUT STAGE SUPPLY
OUYPUT
GROUND
FLYBACK GENERATOR
SUPPLY VOLTAGE
INVERTING INPUT
3
GND
2