Table Of Contents - Dell 2208WFP Service Manual

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. B D
LOCK IAGRAM
2. E C
LECTRONIC
3. FACTORY PRESET TIMING TABLE ................................................................................................................................. 13
4. P O /O
OWER N FF
5. D-SUB C
ONNECTOR
6. AC O P
UTLET IN
7. I C
NNER ONNECTOR
8. K P P
EY ARTS IN
CHAPTER 4- DISASSEMBLY & ASSEMBLY .................................................................................................................................. 21
1. E D
XPLODED IAGRAM
2. WFP D
ISASSEMBLY
3. A B
SSEMBLY LOCK
CHAPTER 5- TEST AND ADJUSTMENT ......................................................................................................................................... 24
1. F
UNCTION KEY
2. OSD C
ONTROL
3. F M
ACTORY ODE
4. B -
URN IN PATTERN
5. A C B
UTO OLOR
6. U
PLOAD FIRMWARE TO
7. A ,
FTER REPAIR
CHAPTER 6- TROUBLE SHOOTING ............................................................................................................................................... 30
1. C A
OMMON CKNOWLEDGE
2. N P LED O
O OWER
3. P
OWER NORMAL
4. B
ACKLIGHT CAN
5. N B
O PICTURE
6. A 32-
T GRAY SCALE PATTERN
CHAPTER 7- RECOMMENDED PART LIST................................................................................................................................... 35
ATTACHMENT 1- BILL OF MATERIAL .......................................................................................................................................... 37
ATTACHMENT 2- SCHEMATIC ........................................................................................................................................................ 47
ATTACHMENT 3- PCB LAYOUT....................................................................................................................................................... 60

Table of Contents

..................................................................................................................................................................... 5
T ................................................................................................................................................ 7
IRCUIT HEORY
S ................................................................................................................................................... 13
EQUENCY
P A .................................................................................................................................. 14
IN SSIGNMENT
A ............................................................................................................................................... 14
SSIGNMENT
P A .................................................................................................................................... 14
IN SSIGNMENT
A ............................................................................................................................................... 16
SSIGNMENTS
............................................................................................................................................................. 21
B ............................................................................................................................................ 22
LOCK
.................................................................................................................................................................. 23
D .................................................................................................................................................. 24
EFINITIONS
....................................................................................................................................................................... 24
I ............................................................................................................................................ 26
NTRODUCTION
.................................................................................................................................................................. 27
(A
ALANCE UTOMATICALLY CALIBRATE CHIP
MCU VGA C
VIA ABLE
TO ENSURE THE QUALITY YOU SHOULD DO THE FOLLOWING TEST AND ADJUSTMENT
...................................................................................................................................................... 30
.............................................................................................................................................................. 30
FF
LED A ................................................................................................................................................ 31
MBER
' ......................................................................................................................................... 38
T BE TURNED ON
................................................................................................................................................ 39
ACKLIGHT ON
,
COLOR LOST IN SOME SCALE
ADC
PARAMETER BY USING CHIP INTERNAL
...................................................................................................................... 32
.................................................................................................... 40
2
Service Manual
DAC.) ................ 27
. ................................... 27