This post explains for the TV Display IC.
The Part Number is LA78141.
The function of this semiconductor is Vertical Output, Vertical Drive, Pump-up.
The package is TO-220-7H Type
Manufacturer: Sanyo, ETC
This is vertical deflection output IC, Vertical Amp CRT TV Reciever.
1. Inverting Input
3. Pump Up Out
6. Output Stage VCC
7. Non Inv.Input
Absolute Maximum Ratings (Ta = 25°C)
1. Pump-up block supply voltage : +B2 max = 37.5 V
2. Output block supply voltage : +B6 max = 77 V
3. Allowable power dissipation : Pd max = 9 W
1. BUS Supported TV Display Vertical Output