ŸIf there is a short circuit (less than 10 ohms),
| remove | the | FRUs | indicated | one | at a | time | until | ||||||
| the short circuit disappears. Replace the FRU | |||||||||||||
| causing | the | short | circuit. |
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FRU |
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| VA | VG | VB | VA3 |
| VB3 |
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Voltage | converter |
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| x | x | x | x |
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Processor |
| card |
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| x |
| x |
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System | board |
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| x | x | x | x | x |
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Video | card |
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| x |
| x |
| x x |
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Base | memory card |
| x |
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Keyboard |
| control | card |
| x |
| x |
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Math coprocessor |
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| x |
| x |
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Diskette | drive |
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| x |
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Hard | disk | drive |
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| x |
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LCD |
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| x |
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Indicator | assembly |
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| x | x |
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11. If | there | is | no | short | circuit, | replace | the | following F | ||||||
one | at | a | time. |
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ŸVoltage converter
ŸSystem board
80 IBM Mobile Systems HMM