Acer AL2623W Service-Handbuch - Seite 3
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CHAPTER 1- PRECAUTIONS & SAFETY NOTICES ..................................................................................................................... 3
1.
SAFETY PRECAUTIONS .................................................................................................................................................... 3
2.
PRODUCT SAFETY NOTICE .............................................................................................................................................. 3
3.
SERVICE NOTES.................................................................................................................................................................. 3
CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED ..................................................................................................... 4
CHAPTER 3- CIRCUIT THEORY .......................................................................................................................................................5
1.
F
B
UNCTIONAL
2.
3.
I
NVERTER CIRCUIT THEORY
1.
2.
3.
A
B
SSEMBLY
LOCK
CHAPTER 5- TEST AND ADJUSTMENT ........................................................................................................................................ 13
1.
2.
INPUT SIGNAL .................................................................................................................................................................. 14
3.
FUNCTION CHECK........................................................................................................................................................... 16
4.
DISPLAY CHECK............................................................................................................................................................... 17
5.
CHAPTER 6- TROUBLE SHOOTING.............................................................................................................................................. 21
1.
2.
18
VDC OUTPUT VOLTAGE IS UNSTABLE
3.
5
VDC OUTPUT POWER IS UNSTABLE
4.
5
VDC OUTPUT POWER IS UNSTABLE
5.
2016
AL
W BACKLIGHT CAN
6.
TROUBLESHOOTING LIST
ATTACHMENT 1- BILL OF MATERIAL......................................................................................................................................... 27
ATTACHMENT 2- SCHEMATIC....................................................................................................................................................... 40
ATTACHMENT 3- PCB LAYOUT ..................................................................................................................................................... 49
Table of Contents
D
...............................................................................................................................................6
LOCK
IAGRAM
............................................................................................................................................... 5
-
.............................................................................................................................................. 7
INL
........................................................................................................................................................... 10
........................................................................................................................................................... 11
................................................................................................................................................................ 12
............................................................................................................................................................. 13
............................................................................................................................................................... 18
....................................................................................................................................................... 21
................................................................................................................................. 22
....................................................................................................................................... 23
....................................................................................................................................... 24
'
T BE TURNED ON
-
............................................................................................................................... 26
TDK INVERTER
(
) ................................................................................................. 25
INL INVERTER
2
Service Manual