Table Of Contents - Toshiba 1997 G Series Troubleshooting Manual

Contents
POWER SUPPLY CIRCUIT ....................................... 1
1. OUTLINE OF SYSTEM ..................................................................................................................... 2
2. STAND-BY POWER SUPPLY ........................................................................................................... 3
3. MAIN POWER SUPPLY .................................................................................................................... 3
4. OUTLINE OF THE CURRENT RESONANT TYPE SUPPLY ..................................................... 4
5. FUNDAMENTAL THEORY OF LC SERIES RESONANT CIRCUIT ........................................ 4
6. MAIN SUPPLY ACTUAL OPERATION ......................................................................................... 6
7. MAIN POWER SUPPLY TROUBLESHOOTING GUIDE .......................................................... 10
8. SCAN DRIVEN SUPPLY ................................................................................................................. 12
10. SUB POWER SUPPLY.................................................................................................................... 14
11. SUB-POWER SUPPLY TROUBLESHOOTING GUIDE............................................................ 16
SHUT DOWN CIRCUITS ......................................... 17
1. SUMMARY OF SHUT DOWN CIRCUITS. ................................................................................... 18
2. POWER SHUT DOWN TROUBLESHOOTING GUIDE. ........................................................... 20
3. +30 Volt Over Voltage Protect. ......................................................................................................... 21
4. +15V Over Voltage Protect. .............................................................................................................. 21
5. +30 V Over Current Protect. ............................................................................................................ 22
6. +15V Over Current Protect. ............................................................................................................. 22
7. -15V Over Current Protect. .............................................................................................................. 23
8. +35V Over Current Protect. ............................................................................................................. 23
9. +/-15V Under Voltage Protect. .......................................................................................................... 24
10. 200V Under Voltage Protect. .......................................................................................................... 25
11. X-Ray (High Voltage) Protect. ........................................................................................................ 25
12. +125V Over Current Protect. ......................................................................................................... 26