Hitachi 61HDX98B Manual page 25
Digital television training
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Also See for 61HDX98B:
- User manual (93 pages) ,
- User manual (96 pages) ,
- Service manual (228 pages)
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DP-85 DIGITAL CIRCUIT POWER SUPPLY SHUTDOWN BLOCK
I901
ShutDown Pin (7)
on Power Supply
Driver &
Output IC
+3.3V Short Det.
-5V Loss Det.
+5V Too Hi Det.
+9V Too Hi Det.
D3.3V Too Hi Det.
7
3
Photocoupler
Shut Down SCR
I905
2
+5V Short Det.
+9V Short Det.
+3.3Vs Too Hi Det.
+5Vs Too Hi Det.
+12VS Too Hi Det.
Page 02-01
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