BenQ SX930 Service Manual page 143

Abnormal System abnormal
Power down power down
Fig. 5-1 Fan and Sensor Placement
FAN*2 92*25
115/45MM
Fan3 (Bottom Blower):
FAN 70*70*25 250MM
Fan4 (Upper Blower) :
FAN 70*70*25 110MM
System abnormal
power down
FAN 50*50*20
310MM
143
1. Check if user unplug power cord
before finish cooling
2. Check connection between
PWR/B and M/B
3. Check door switch
4. Check power board
5. Check main board
Fan 92*92*25
125MM
Fan 92*92*25
70MM