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F low Chart of Troubleshooting
2. Initial
U 201 pin 2 (R STO N ) =" H " ?
C heck the 16bit data signal
Initial Failure
Y es
Y es
Is U 304 pin 4
O K ?
Y es
&m em ory C E
Y es
E N D
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N o
C heck the circuit related to reset
N o
7- 4
C heck the U 304
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