TROUBLESHOOTING GUIDE | Appendix |
4. CH DON’T MEMORY or SKIP
Check the input signal conditions | NG : Loss of signal or weak signal | |
OK : Go to the figure (g) | ||
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| 33V | 5V |
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| Check 5V/33V LINE | ||
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| Check Composite Video Signal | |
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| U101 |
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| TUNER | CVBS |
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| Check |
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#27 #28
I701
MICOM
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X701 |
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32.768KHz |
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Check the crystal
SDA
SCL
SDA
SCL
#5 #6 I703 EEPROM #8
#61
I501
VDP
#4
#3
Check SDA/SCL
