9051#SUREOHP#FKHFNLQJ#DQG#PHWKRG#RI#SFE
90504#Wkh#Sduw#Ri#Srzhu#Vrxufh#
No Power ON
The Voltage Of | No | ||
Betweenⓐand ⓑIs | |||
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As Big As 12V? |
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| Yes |
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The Voltage Of | No | ||
Betweenⓒand ⓓ Is | |||
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As Big As 12V? |
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| Yes |
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Check The Trans
Check The Diode
(D11,D12,D16,D17,D18)
And Condenser(CE3)
The Voltage Of | No | |
Betweenⓔand ⓓ Is | ||
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As Big As 5V? |
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Exchange IC3(7805) And Check
The Condenser(CE5)
Yes