19" LCD Color Monitor
HSD HQ191D
37
8.2 Trouble Shooting
8.2.1 Main Board
No Power
No power
Press power key and look
if the picture is normal
Please reinsert and make sure
the AC of 100-240 is normal
Measure U702 Vout=3.3V
Q702 Vc=1.8V
Reinsert or check the
Adapter/Inverter
section
X401 oscillate waveforms
are normal
Check CN701 or replace
U702, Q702
NG
Содержание HQ191D
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Страница 14: ...19 LCD Color Monitor HSD HQ191D 14 4 2 Factory Preset Display Modes h t t p w w w w j e l n e t ...
Страница 29: ...19 LCD Color Monitor HSD HQ191D 29 7 PCB Layout 7 1 Main Board h t t p w w w w j e l n e t ...
Страница 30: ...19 LCD Color Monitor HSD HQ191D 30 h t t p w w w w j e l n e t ...
Страница 31: ...19 LCD Color Monitor HSD HQ191D 31 7 2 Power Board h t t p w w w w j e l n e t ...
Страница 32: ...19 LCD Color Monitor HSD HQ191D 32 h t t p w w w w j e l n e t ...
Страница 33: ...19 LCD Color Monitor HSD HQ191D 33 h t t p w w w w j e l n e t ...
Страница 34: ...19 LCD Color Monitor HSD HQ191D 34 7 3 Key Board h t t p w w w w j e l n e t ...
Страница 35: ...19 LCD Color Monitor HSD HQ191D 35 7 4 Audio Board h t t p w w w w j e l n e t ...
Страница 44: ...19 LCD Color Monitor HSD HQ191D 44 10 Monitor Exploded View h t t p w w w w j e l n e t ...