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CIRCUIT DIAGRAMS
1. POWER CIRCUIT DIAGRAM
VF(+) Power dead
R107 is defective
2.5V Power dead
IC159 is defective
Power dead
IC101 is defective
Power dead
IC102 is defective
Power dead
IC104 is defective
Power dead
IC105 is defective
3-39
12V Power dead
IC153 is defective
12VT or 12VA Power dead
IC153 is defective
5VD Power dead
Q120 and Q121 is defective
33V Power dead
Q123 is defective
5VT Power dead
Q124 and Q122 is defective
5V ( LOADER ) Power dead
12V ( LOADER ) Power dead
IC151 is defective
IC151 is defective
3.3V Power dead
1.5K
IC154 is defective
2.2K
3.3V Power dead
IC154 is defective
3-40
SR16125A
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Troubleshooting
