TROUBLESHOOTING GUIDE
1. NO POWER
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Check |
| FBT 10V |
| R416 |
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F801(125V 4A) |
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| D801 |
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| RLY01 |
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| D801(PBS208GU) | ||
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| F801 |
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| R801 |
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PCW1 |
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| L801 |
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| Check |
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| R801(7W 2.2) |
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| T801 |
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| TO I101 #34 | |
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| OCP | |
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| D807 |
| C819 | Check | ||
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| B+ |
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| 133V |
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| Voltage | ||
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| C804 | R814 |
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Check |
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| C814 |
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| 133V |
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waveform |
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| C820 |
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R809 |
| L802 |
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| TUNER |
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R802 |
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| D808 |
| 33V |
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| 45V |
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D | C805 |
| C815 | R820 |
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| Voltage | ||||||
G Q801 |
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FET |
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| DR.TRNS B+ |
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S |
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| 45V |
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| D813 |
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R803 | R804 |
| 12V |
| R817 SOUND B+ | Check | |||
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| C812 |
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| 12V |
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| R818 | Q805 | ||||
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| 5V |
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| D812 | C706 |
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| I801 |
| 5.6Vz |
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| #1 | #10 | 12V |
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| Voltage |
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| #3 | #14 | 133V |
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| #5 | #11 | FROM |
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| #42 PW ON/0FF |
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| Check | FROM MICOM #42 | ||
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| PW ON : H | ||
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| Voltage |
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| PW OFF : L | ||
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| PW ON |
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<DRAIN OF Q801> |
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| 21 |
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