19" LCD Color Monitor
HSD HQ191D
40
8.2.2 Power Board
1. No Power
Check to CN902 Pin3, 4 =12V and Pin7, 8 = 5 V
Check AC line volt 120V or 220V
Change F901, Check BD901, Q900, IC901
Check start voltage for the Pin6 of IC901
Check the auxiliary voltage is smaller than 20V
No power
NG
Check D920, D22, ZD920…
Содержание HQ191D
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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 ...