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Flow Chart of Troubleshooting
9-14
9-7. Charging Part
Abnormal charging operation
Yes
Not OK
Check DC jack
OK
Solder R307 again or change a
battery
OK
Not OK
Check R307
Replace the TR300
Check TR300 (E,B,C)
OK
Not OK
OK
END
Replace the U300
Check the 32 Pin and
33 Pin of U300
Not OK