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Q74A Service Manual
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Contents
PRECAUTIONS
................................................................................................. 4
ITEMS
............................................................................................................ 6
HOW TO CONNECT THE SEVERAL CABLES TO THE LCD MONITOR
.......................... 7
▶
Setting up the LCD monitor ..................................................................... 7
ADJUSTING THE MONITOR
................................................................................ 8
Q74A SPECIRICATIONS
...................................................................................... 9
▶
Q74A Specifications
.................................................................................. 9
DISPLAY MODES
............................................................................................ 10
PowerSaver
..................................................................................................... 10
OSD MENU
.................................................................................................... 11
▶
Menu Tree
............................................................................................ 11
FACTORY SET
................................................................................................ 12
BURN-IN MODE
............................................................................................. 12
INVERTER & POWER
...................................................................................... 13
▶
Inverter & POWER(Q74A)
........................................................................ 13
▶
Specification
......................................................................................... 13
▶
Electrical Characteristics
........................................................................... 13
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Pin Connection
...................................................................................... 14
TROUBLESHOOTING
...................................................................................... 15
▶
No operating at all
................................................................................... 15
▶
Doesn
’
t display on LCD
............................................................................ 16
EXPLODE VIEW
............................................................................................. 18
▶
Q74A
.................................................................................................. 18
PART LIST
..................................................................................................... 19
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Q74A Mechanical Part List
........................................................................ 19
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Q74A AD B/D Part List
............................................................................ 20
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Q74A FUNCTION KEY B/D Part List
........................................................... 23
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Q74A FUNCTION LED B/D Part List
........................................................... 23
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Inverter & POWER BD Part List(FLF1742-20A)
.............................................. 24
▶
Inverter & POWER BD Part List(FLF1742-20A)
.............................................. 25
CIRCUIT DIAGRAM
........................................................................................ 26
▶
AD B/D(Q74A)
...................................................................................... 26
▶
Inverter & POWER B/D(FLF1742-20A)
........................................................ 31
PCB Layout
.................................................................................................... 34
▶
AD B/D TOP SILK (Q74A)
....................................................................... 34
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Summary of Contents for Q74A
Page 1: ...Q74A Service Manual All manuals and user guides at all guides com a l l g u i d e s c o m...
Page 18: ...Q74A Service Manual EXPLODE VIEW Q74A 18 All manuals and user guides at all guides com...
Page 27: ...Q74A Service Manual 27 Q74A Service Manual 27 All manuals and user guides at all guides com...
Page 33: ...Q74A Service Manual Inverter Circuit 33 All manuals and user guides at all guides com...
Page 35: ...Q74A Service Manual AD B D TOP PATTERN Q74A 35 All manuals and user guides at all guides com...
Page 37: ...Q74A Service Manual AD B D MASK TOP Q74A 37 All manuals and user guides at all guides com...
Page 38: ...Q74A Service Manual AD B D MASK BOTTOM Q74A 38 All manuals and user guides at all guides com...