Service Manual
2
Table of Contents
CHAPTER 1- PRECAUTIONS & SAFETY NOTICES ......................................................................................................................
SAFETY
PRECAUTIONS ................................................................................................................................................................
PRODUCT
SAFETY
NOTICE .............................................................................................................................................................
SERVICE
NOTES ................................................................................................................................................................
CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED ................................................................................................
CHAPTER 3- CIRCUIT THEORY .......................................................................................................................................................
1.B
LOCK
D
IAGRAM
................................................................................................................................................................
2.E
LECTRONIC
C
IRCUIT
T
HEORY
...........................................................................................................................................................
3.
FACTORY
PRESET
TIMING
TABLE ................................................................................................................................
4.
P
OWER
O
N
/O
FF
S
EQUENCY
.............................................................................................................................................................
5.
D-SUB
C
ONNECTOR
P
IN
A
SSIGNMENT
................................................................................................................................
6.
AC
O
UTLET
P
IN
A
SSIGNMENT
.........................................................................................................................................................
7.
I
NNER
C
ONNECTOR
P
IN
A
SSIGNMENT
................................................................................................................................
8.
K
EY
P
ARTS
P
IN
A
SSIGNMENTS
.........................................................................................................................................................
CHAPTER 4- DISASSEMBLY & ASSEMBLY ................................................................................................................................
1.
E
XPLODED
D
IAGRAM
................................................................................................................................................................
2.
ST2010
D
ISASSEMBLY
B
LOCK
......................................................................................................................................................
3.
ST2010
A
SSEMBLY
B
LOCK
............................................................................................................................................................
CHAPTER 5- TEST AND ADJUSTMENT ................................................................................................................................
5.1
F
UNCTION KEY
D
EFINITIONS
..........................................................................................................................................................
5.2
OSD
CONTROL
................................................................................................................................................................
5.3
OSD
M
ESSAGE
................................................................................................................................................................
5.4
B
URN
-
IN PATTERN
................................................................................................................................................................
5.5
A
UTO
C
OLOR
B
ALANCE
(A
UTOMATICALLY CALIBRATE CHIP
ADC
PARAMETER BY USING CHIP
INTERNAL
DAC.) .................................................................................................................................................................................
5.6
U
PGRADE
F
IRMWARE TO
S
ERIAL VIA
F
LASH
C
ABLE BY
ISP_T
OOL
V4.100.
EXE
................................................................
CHAPTER 6- TROUBLE SHOOTING ................................................................................................................................
1.
C
OMMON
A
CKNOWLEDGE
...............................................................................................................................................................
2.
N
O POWER SUPPLY
................................................................................................................................................................
3.
P
OWER
(
INCLUDE
IF
+5V
AND
+3.3V)
SUPPLY NORMAL BUT
LED
OFF AND NO DISPLAY
................................................................
4.
P
OWER
(
INCLUDE
IF
+5V
AND
+3.3V)
SUPPLY AND DISPLAY NORMAL ONLY
LED
OFF
................................................................
5.
P
OWER
(
INCLUDE
IF
+5V
AND
+3.3V)
SUPPLY NORMAL BUT
LED
A
MBER
.......................................................................................
6.
P
OWER
(
INCLUDE
IF
+5V
AND
+3.3V)
SUPPLY NORMAL
,
KEY FUNCTION
OK,
BUT BACKLIGHT CAN
’
T
BE TURNED ON
.....................................................................................................................................................................................
7.
B
ACKLIGHT ON
,
KEY FUNCTION AND
LED
ACCURATE INDICATION OK BUT NO PICTURE
................................................................
8.
A
T
32-
GRAY SCALE PATTERN
,
COLOR LOST IN SOME SCALE
................................................................................................
CHAPTER 7- RECOMMENDED PART LIST ................................................................................................................................
ATTACHMENT 1- BILL OF MATERIAL ................................................................................................................................
ATTACHMENT 2- SCHEMATIC .......................................................................................................................................................
ATTACHMENT 3- PCB LAYOUT ......................................................................................................................................................
Summary of Contents for ST2010 - 20" LCD Monitor
Page 1: ...Service Manual 0 Service Manual LCD Monitor ST2010 ...
Page 20: ...Service Manual 19 ...
Page 21: ...Service Manual 20 8 Key Parts Pin Assignments 8 1 U105 TSUMU58EDJ LF ...
Page 22: ...Service Manual 21 ...
Page 23: ...Service Manual 22 ...
Page 24: ...Service Manual 23 ...
Page 27: ...Service Manual 26 Chapter 4 Disassembly Assembly 1 Exploded Diagram ...
Page 30: ...Service Manual 29 3 ST2010 Assembly Block ...
Page 32: ...Service Manual 31 ...
Page 60: ...Service Manual 59 Attachment 2 Schematic 1 Interface board schematic ...
Page 68: ...Service Manual 67 power board schematic 1 ...
Page 69: ...Service Manual 68 ...
Page 70: ...Service Manual 69 ...
Page 72: ...Service Manual 71 Attachment 3 PCB Layout Power inverter board Top Layer ...
Page 73: ...Service Manual 72 Bottom Layer ...
Page 74: ...Service Manual 73 I F board Top Layer Bottom Layer ...
Page 75: ...Service Manual 74 Keypad ...
Page 76: ...Service Manual 75 ...