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ASUS h110m-k motherboard doesn’t respond when powered on
Motherboard model: ASUS 110m-k Rev1.03
Fault phenomenon: the main board does not respond to power on
Maintenance process:
A ASUS h110m-k motherboard, the fault is that the motherboard does not respond to boot.
ASUS h110m-k mainboard does not respond to startup repair Figure 1.
Test memory VCC 1.2V, normal.
Test bridge VCC 1.0V, normal.
Vppddr2 was measured5V, normal.
The front end of vccsa Inductor is powered and normal.
Test CPU VCC is 0V, abnormal.
ASUS h110m-k mainboard does not respond to startup repair Figure 2.
Test CPU VCC chip asp1401b the 7th pin, only 3.3V.
ASUS h110m-k mainboard does not respond to startup repair Figure 3.
pin so open at position 433.01.
ASUS h110m-k mainboard does not respond to startup repair Figure 4.
OpenXinzhizao SoftCheck Boardview, connected with a 2.2 ohm resistance, measuring one end is 3.3V, one end is 5V.
ASUS h110m-k mainboard does not respond to startup repair Figure 5.
Use a lump of solder wire short-circuit.
ASUS h110m-k mainboard does not respond to startup repair Figure 6.
VCC and pin have 5V.The position of VCC is VCC.
ASUS h110m-k mainboard does not respond to startup repair Figure 7.
Boot test,Normally booting up, all functions are normal.
ASUS h110m-k mainboard does not respond to startup repair Figure 8.
