Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
The main board IHM65M of OEM and upgrading technology integrated machine does not trigger repair
The main board of OEM all-in-one machine ihm65m,no power on,Repeat welding, PCH, RTC_Rst ා, stable at 2.9v, normal switch.
Machine model: OEM and upgrading technology integrated machine motherboard IHM65M
Fault phenomenon:no power on
The main board IHM65M of OEM and upgrading technology integrated machine does not trigger repair Figure 1.
Maintenance process: the standby 3 and 5V of the main board is normal,Switch and VCC are normal, rsmrst š 3.3V of EC nct5532d is normal, and that of Switch is 3.3V, which is no power on.
The main board IHM65M of OEM and upgrading technology integrated machine does not trigger repair Figure 2.
Test PCH VCC z1267q output Inductor is only 5 Ω to the ground. If it is too low, it is thought that PCH is bad. Check it carefully and share it with VTT. Remove CPU Diode value is normal 20 Ω and or so is normal.Check RTC from the beginning, this motherboard is mostly renovated bridge, with old experience Repeat welding PCH, RTC_Rst ා, stable at 2.9v, normal switch.
The main board IHM65M of OEM and upgrading technology integrated machine does not trigger repair Figure 3.
