19" LCD Color Monitor
HSD HQ191D
41
2. W/LED No Backlight
Check C811 (+) =12V
Check the resonant wave of Pin7 & Pin8 for PT801/PT802
Check the Pin1, Pin15 of IC801 have square wave
Check the output of PT801/PT802
Check ON/OFF signal
Check adapter circuit
Check Interface board
OK
OK
NG
NG
Check Q805,Q806 have the output of
square wave at short time.
Change PT801 or PT802
Check connecter & lamp
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 ...
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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 ...