LCD output error
VDD appears
at pin36 in XCON1.
Yes
Pin38 in XCON1 is in high state?
Yes
Pin3 in XQ102
is in high state?
Yes
VDD appears at
pin4,5 in XCON1?
Yes
About 32MHz
clock output is normal at
pin78 in XIC01?
Yes
No
No
No
No
No
Check the connection between pin36 in XCON15 and PF501.
Check the connection between
pin44 in ZIC1 and pin38 in XCON1.
Check the connection between
base in XQ101 and pin62 in UIC01.
Check the connection between
pin4,5 in XCON1 and pin4 in XQ102.
About 27MHz clock input is
normal at pin2 in XIC01.
Troubleshooting
Samsung Electronics
About 32KHz output | No | Check the soldering of XIC01. | |||
is normal at pin77 |
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in XIC01? |
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| Yes |
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13.5MHz input | No |
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Check the connection betwen | |||||
is normal at pin93 in |
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| pin93 in XIC01 and pin5 in XIC06. | ||
XIC01? |
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| Yes |
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Pin of VDD_3.3, | No |
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Check the connection to | |||||
VDD_2.5 in XIC01 has | |||||
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| posotive pin in PE118. | |||
normal level? |
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| Yes |
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Check the data line at the pin4,5,6,7,8,9,10,11 in XIC01.
