Table of Contents
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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.
2.
3.
FACTORY PRESET TIMING TABLE ...................................................................................................................13
4.
5.
6.
AC O
P
UTLET
7.
8.
1.
2.
1908WFP
D
F
3.
CHAPTER 5- TEST AND ADJUSTMENT............................................................................................................................24
1.
2.
3.
4.
-
5.
6.
U
PLOAD FIRMWARE TO
7.
CHAPTER 6- TROUBLE SHOOTING..................................................................................................................................30
1.
2.
3.
P
OWER NORMAL
4.
5.
N
O PICTURE
6.
32-
CHAPTER 7- RECOMMENDED PART LIST.......................................................................................................................35
ATTACHMENT 1- BILL OF MATERIAL ...............................................................................................................................37
ATTACHMENT 2- SCHEMATIC ...........................................................................................................................................47
ATTACHMENT 3- PCB LAYOUT .........................................................................................................................................58
Table of Contents
......................................................................................................................................................5
.................................................................................................................................7
...................................................................................................................................13
...................................................................................................................14
A
.................................................................................................................................14
IN
SSIGNMENT
.....................................................................................................................14
................................................................................................................................16
..............................................................................................................................................21
B
..........................................................................................................................22
ISASSEMBLY
LOCK
..................................................................................................................................................23
...................................................................................................................................24
.....................................................................................................................................................24
..............................................................................................................................26
..................................................................................................................................................27
MCU
VGA C
VIA
,
.......................................................................................................................................30
.............................................................................................................................................30
LED A
.................................................................................................................................31
MBER
'
............................................................................................................................32
B
..................................................................................................................................33
ACKLIGHT ON
,
..........................................................................................................26
ABLE
.......................................................................................34
2
Service Manual
DAC.) ............27
.............................27
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