Roberts ecologic 2 - DAB Tuning Methods

Rechargeable Bettery can not be charging
Check SW300 is switch
to "Rechargeable".
Check whether the Pin1
of IC1 is Low Level, Pin2
of IC1 is High Level.
Check whether the Pin14
of IC1 is VCC.
Check Adaptor vlotage is
above 10.5V.
Check IC1.
Check D300, CON300 and
W1.
Check whether the Q307
"C" is VCC.
Check whether the Pin1
of CON300 is VCC.
Check Q307 and Q306.
Check whether the Q300
"C" is VCC.
Check Q300, Q301 and
SW300.
Check whether the Pin8
of IC300 is VCC.
Check IC300 and D306.
Check whether the Pin1
of IC300 is 1.0V ~ 2.0V.
Check SW300, IC300,
R307, R308 and
Rechargeable Bettery.
No
Y
es
A
Y
es
Y
es
Y
es
Y
es
Y
es
Y
es
Y
es
No
No
No
No
No
No
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