NO RASTER
Normal
CHECK B+
At D829 cathode
Abnormal
Is the voltage at
each pin voltage of IC11
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| Yes |
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No |
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| Check pin 60 | |
| Of IC11(H - Out) | |||
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Check & |
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No
Check the
In/out of regulator (IC821, IC822 IC823, IC824
| Check |
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| Open | ||||
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| Fuse of AC line |
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| Ok |
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| Check / Replace | ||
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| Fuse | |||
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| No | |||
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| Check the Voltage |
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| Of C803 |
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Replace |
| Yes | ||||
IC11 |
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| Check Q402 | ||
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| Collector waveform | ||
No | ||||||
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Check & |
| Yes | ||||
Replace |
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Q402 |
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| Check T401 | ||
No |
| & each pin voltage | ||||
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IC825)
Ok 140 ~ 310V
Check the Voltage
Pin 4 of IC801
Ok | 18 ~ 20V |
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Check / Replace IC801, IC802, IC826
Check / Replace DB801
No
Check / Replace Fuse IC801
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| Yes | |
Check & |
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Replace |
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T401 |
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No |
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| Check Q401 | ||
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| Collector waveform | |||
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Check & |
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| Yes | ||
Replace |
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Q401 |
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| Check & Replace |
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| T402 |
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No
Check Fuse and Rectifition Diode of secondary Load of SMPS trans(T803)
Ok | Check / Replace |
| IC11 |
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- 12 -
