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SERVICE MANUAL
5. VERTICAL SCAN OUTPUT STAGE CIRCUIT LA78040/LA78041
Both LA78040/LA78041 are vertical scan output stage power amplifiers. But there is a little
bit difference between the two amplifiers, that is, LA78040 has supply voltage of 24V and output
current of 1.8AP-P while LA78041 has supply voltage of 30V and output current of 2.2AP-P.
LA78040/LA78041 (N602)
Vertical Deflection Output Circuit
1) Features
Low power dissipation due to built-in pump-up circuit
Vertical output circuit
Thermal protection circuit built in
Excellent crossover characteristics
DC coupling possible
Package Type:TO-220-7H
Fig.12
2) Block Diagram
Fig.1 3 Block diagram
3 2
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