Service Manual
2
Table of Contents
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
LOCK
D
IAGRAM
..................................................................................................................................................................... 5
2.
E
LECTRONIC
C
IRCUIT
T
HEORY
................................................................................................................................................ 7
3.
FACTORY
PRESET
TIMING
TABLE ................................................................................................................................. 13
4.
P
OWER
O
N
/O
FF
S
EQUENCY
................................................................................................................................................... 13
5.
D-SUB
C
ONNECTOR
P
IN
A
SSIGNMENT
.................................................................................................................................. 14
6.
AC
O
UTLET
P
IN
A
SSIGNMENT
............................................................................................................................................... 14
7.
I
NNER
C
ONNECTOR
P
IN
A
SSIGNMENT
.................................................................................................................................... 14
8.
K
EY
P
ARTS
P
IN
A
SSIGNMENTS
............................................................................................................................................... 16
CHAPTER 4- DISASSEMBLY & ASSEMBLY .................................................................................................................................. 21
1.
E
XPLODED
D
IAGRAM
............................................................................................................................................................. 21
2.
E2209WFP
F
D
ISASSEMBLY
B
LOCK
....................................................................................................................................... 22
3.
A
SSEMBLY
B
LOCK
.................................................................................................................................................................. 23
CHAPTER 5- TEST AND ADJUSTMENT ......................................................................................................................................... 24
1.
F
UNCTION KEY
D
EFINITIONS
.................................................................................................................................................. 24
2.
OSD
C
ONTROL
....................................................................................................................................................................... 24
3.
F
ACTORY
M
ODE
I
NTRODUCTION
............................................................................................................................................ 26
4.
B
URN
-
IN PATTERN
.................................................................................................................................................................. 27
5.
A
UTO
C
OLOR
B
ALANCE
(A
UTOMATICALLY CALIBRATE CHIP
ADC
PARAMETER BY USING CHIP INTERNAL
DAC.) ................ 27
6.
U
PLOAD FIRMWARE TO
MCU
VIA
VGA
C
ABLE
...................................................................................................................... 26
7.
A
FTER REPAIR
,
TO ENSURE THE QUALITY YOU SHOULD DO THE FOLLOWING TEST AND ADJUSTMENT
. ................................... 27
CHAPTER 6- TROUBLE SHOOTING ............................................................................................................................................... 30
1.
C
OMMON
A
CKNOWLEDGE
...................................................................................................................................................... 30
2.
N
O
P
OWER
LED
O
FF
.............................................................................................................................................................. 30
3.
P
OWER NORMAL
LED
A
MBER
................................................................................................................................................ 31
4.
B
ACKLIGHT CAN
’
T BE TURNED ON
......................................................................................................................................... 32
5.
N
O PICTURE
B
ACKLIGHT ON
................................................................................................................................................ 33
6.
A
T
32-
GRAY SCALE PATTERN
,
COLOR LOST IN SOME SCALE
.................................................................................................... 34
CHAPTER 7- RECOMMENDED PART LIST................................................................................................................................... 35
ATTACHMENT 1- BILL OF MATERIAL .......................................................................................................................................... 37
ATTACHMENT 2- SCHEMATIC ........................................................................................................................................................ 47
ATTACHMENT 3- PCB LAYOUT....................................................................................................................................................... 60
Summary of Contents for E2209Wf
Page 1: ...Service Manual 0 Service Manual LCD Monitor E2209Wf ...
Page 7: ...Service Manual 6 Fig 12 ...
Page 16: ...Service Manual 15 8 Key Parts Pin Assignments U105 TSUMU58EHJ LF 2 ...
Page 17: ...Service Manual 16 ...
Page 18: ...Service Manual 17 ...
Page 21: ...Service Manual 20 Chapter 4 Disassembly Assembly 1 Exploded Diagram ...
Page 23: ...Service Manual 22 3 Assembly Block Note 1 The arrows point out the direction of assembly ...
Page 44: ...Service Manual 43 ...
Page 45: ...Service Manual 44 ...
Page 46: ...Service Manual 45 2 power board schematic ...
Page 47: ...Service Manual 46 ...
Page 48: ...Service Manual 47 ...
Page 49: ...Service Manual 48 ...
Page 50: ...Service Manual 49 Attachment 3 PCB Layout power inverter bd power inverter board Top Layer ...
