Service Manual ASUS VH222S&VH222D
60
(3). White screen
White screen
Check Q404 and Q405 are
broken or CN403 solder?
Check Correspondent
component.
Replace Panel
Check Correspondent
component.
Replace U401
OK
OK
Replace X401
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
OK
X401 oscillate
waveform is normal
Measure Q404 base
is low level?
Summary of Contents for VH222D
Page 7: ...Service Manual ASUS VH222S VH222D 7 Front View ...
Page 26: ...Service Manual ASUS VH222S VH222D 26 6 PCB Layout 6 1 Main Board 715G2904 2 5 ...
Page 27: ...Service Manual ASUS VH222S VH222D 27 ...
Page 28: ...Service Manual ASUS VH222S VH222D 28 ...
Page 29: ...Service Manual ASUS VH222S VH222D 29 6 2 Power Board 715G2892 1 ...
Page 30: ...Service Manual ASUS VH222S VH222D 30 6 3 Key Board 715G2900 1 2 ...
Page 64: ...Service Manual ASUS VH222S VH222D 64 12 Exploded View ...