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Rev. 2.01
- 52 -
SRP-350/352plusA&C
7-2 System Problem
Clock
Signal Ok?
Program
Ok?
CPU
Ok?
End
1. Check the Frequency (5MHz)
2. Check the related Circuit & Pattern on PCB
1. Check the Address/Data Line Pattern
2. Check the related Circuit & Pattern on PCB
3. Program download again
1. Check the Main Clock (5MHz)
2. Check the Address/Data Pattern
3. Check the Main PBA
System
Problem
N
N
N
Y
Y
Y
SRAM
Ok?
1. Check the /CS Signal
2. Check the SRAM
3. Check the Address/Data Pattern
N
Y
Reset Signal
Ok?
1. Check the IC (U8,ASM811REUSF-T)
2.
Check the Reset Pin on Flash Memory and CPU
3. Check the related Circuit & Pattern on PCB
N
Y