Acer DBG DPBU II Manual de servicio - Página 2
Navegue en línea o descargue pdf Manual de servicio para Monitor Acer DBG DPBU II. Acer DBG DPBU II 10 páginas.
Imprimir página
Product Announcement:
Product Announcement:
This product is certificated to meet RoHS Directive and
This product is certificated to meet RoHS Directive and
Lead-Free produced definition. Using approved critical
Lead-Free produced definition. Using approved critical
components only is recommended when the situation
components only is recommended when the situation
to replace defective parts. Vender assumes no liability
to replace defective parts. Vender assumes no liability
express or implied, arising out of any u
express or implied, arising out of any u
modification of design or replacing non-RoHS parts.
modification of design or replacing non-RoHS parts.
Service providers assume all liability.
Service providers assume all liability.
Qualified Repairability:
Qualified Repairability:
Proper service and repair is important to the
Proper service and repair is important to the
reliable operation of all series products. The
reliable operation of all series products. The
providers recommended by vender should being
providers recommended by vender should being
aware of notices listed in this service manual in
aware of notices listed in this service manual in
to minimize the risk of personal injury when
to minimize the risk of personal injury when
service procedures. Furthermore, the possible existed
service procedures. Furthermore, the possible existed
improper repairing method may damage equipment or
improper repairing method may damage equipment or
products. It is recommended that service engineers
products. It is recommended that service engineers
should have repairing knowledge, experience, as well
should have repairing knowledge, experience, as well
as appropriate product training per new model before
as appropriate product training per new model before
performing the service procedures.
performing the service procedures.
NOTICE:
NOTICE:
T
T
o avoid electrical shocks, the
o avoid electrical shocks, the
!
!
connect to an authorized power cord, and turn
connect to an authorized power cord, and turn
master power switch each time before removing the
master power switch each time before removing the
AC power cord.
AC power cord.
T
T
o prevent the p
o prevent the p
!
!
in extremely high humility environment.
in extremely high humility environment.
T
T
o ensure the
o ensure the
continued reliability of this
continued reliability of this
!
!
use only original manufacturer's specified parts.
use only original manufacturer's specified parts.
T
T
o ensure following
o ensure following
!
!
replaced part on the components side of
replaced part on the components side of
solder side.
solder side.
!
!
To ensure using a proper screwdriver, follow the
To ensure using a proper screwdriver, follow the
torque and force listed in assembly and d
torque and force listed in assembly and d
procedures to screw and unscrew screws.
procedures to screw and unscrew screws.
ACER X193HQ
ACER X193HQ
2
2
Go to cover page
Go to cover page
1.1 SCOPE
1.1 SCOPE
This document defines the design and performance
This document defines the design and performance
requirements for a 19W inch diagonal , flat panel monitor
requirements for a 19W inch diagonal , flat panel monitor
.The display element shall be a WXGA(1366X768)
.The display element shall be a WXGA(1366X768)
resolution TFT-LCD (Thin Film Transistor Liquid Crystal
resolution TFT-LCD (Thin Film Transistor Liquid Crystal
Display).16.7M color images are displayed on the
Display).16.7M color images are displayed on the
panel.Video input signals are analog RGB (0.7Vp-p). When
panel.Video input signals are analog RGB (0.7Vp-p). When
the
the
systemis
systemis pow
powered-on , previously stored
ered-on , previously stored
parameters for a pre-defined mode will be recalled if the
parameters for a pre-defined mode will be recalled if the
operating mode is one of stored in memory( 21 factory , 9
operating mode is one of stored in memory( 21 factory , 9
users timing ).This monitor operates normal by non-
users timing ).This monitor operates normal by non-
interlaced mode. DDC (Display Data Channel) function is
interlaced mode. DDC (Display Data Channel) function is
DDC2Bi compliance Power saving function complies with
DDC2Bi compliance Power saving function complies with
the DPMS (Display Power Management Signaling)
the DPMS (Display Power Management Signaling)
standard.
standard.
1.2
1.2
GENERAL REQUIR
GENE
RAL
REQUIREMEN
EMENTS
1.2.1Test Condition
1.2.1Test Condition
Brightness level & contrast level max. Full white
Brightness level & contrast level max. Full white
pattern test mode following spec. Warm up more than
pattern test mode following spec. Warm up more than
1 hr, ambient light < 10 Lux , Luminance meter
1 hr, ambient light < 10 Lux , Luminance meter
CA110 or BM7 or same equipment .
CA110 or BM7 or same equipment .
1.2.2 Test Equipment
1.2.2 Test Equipment
The reference signal source is a calibrated Chroma
The reference signal source is a calibrated Chroma
nauthorized
nauthorized
safe,
safe,
service
service
perform
perform
products should be
products should be
roduct away from water or
roduct away from water or
expose
expose
product,
product,
safety repairing behavior, put the
safety repairing behavior, put the
PWBA, not
PWBA, not
isassembly
isassembly
1. Product Specification
1. Product Specification
screen
screen
TS
Important Safety Notice
Important Safety Notice
Using Lead-Free solder to well mounted the
Using Lead-Free solder to well mounted the
!
!
The fusion point of Lead-Free solder requested in the
The fusion point of Lead-Free solder requested in the
!
!
degree of 220 C.
degree of 220 C.
order
order
off the
off the
The LCD monitor consists of an interface board , a power
The LCD monitor consists of an interface board , a power
board ,
board ,
a
a
funct
function key boar
ion key
The
The
int
interf
erface
ace
board
boa
rd
bright
brightness
ness
control
contr
ol
logic, audio functio
logic
function
funct
ion
control, D
contr
ol,
DDC a
DC
appropriate power to the
approp
riate power to the
transmitting LVDS signals into LCD flat panel module to drive
transmitting LVDS signals into LCD flat panel module to drive
the LCD display circuit .The power board will support main
the LCD display circuit .The power board will support main
power DC5V to interface board and drive the two CCFLs (Cold
power DC5V to interface board and drive the two CCFLs (Cold
Cathode Fluorescent Tube).The interface board provides the
Cathode Fluorescent Tube).The interface board provides the
power ON / OFF
power ON / OFF contr
control over the
DPMS LED indicator to function key board.
DPMS LED indicator to function key board.
Monitor Specifications
Monitor Specifications
I
I
T
T
E
E
M
M
Signal
Signa
l
Input
Input
F
F
r
r
e
e
q
q
u
u
e
e
n
n
c
c
y
y
（Analog）
（Analog）
P
P
i
i
x
x
e
e
l
l
C
C
l
l
o
o
c
c
Video Input
Video Input
Display Pixels
Display Pixels
S
S y
yn e
n e
S
S
i
i g
gn a
n
Signal
Signa
l
Input
Input
F
F
r
r
e
e
q
q
u
u
e
e
n
n
c
c
y
y
（Digital）
（Digital）
P
P
i
i
x
x
e
e
l
l
C
C
l
l
o
o
c
c
V
V
i
i
d
d
e
e
o
o
I
I
n
n
p
p
D i
D
s
is p
pl a
l
ay
y
P i
P i
Connector
Connector
A C
A C
I n
I
np u
p
ACER X193HQ
ACER X193HQ
Go to cover page
Go to cover page
°
°
board and two speak
d and two
speaker(1W
er(1W)(wit
)(with audio)
will
wil
l
hou
house
se
the
the
flat
fla
t
pan
panel
el
con
contro
, audio
function control (opt
n control
(option), key
and
nd
DC
DC
to DC
to DC
conversio
conv
ersion to s
n to
whole board and LCD flat
whole board and LCD flat
ol over the
whole
whole mon
monitor and contr
itor and
S
S
P
P
E
E
C
C
A
A
n
n
a
a
l
l
o
o
g
g
H:31Hz~83Hz
H:31Hz~83Hz
V:56Hz~75Hz
V:56Hz~75Hz
k
k
1
1
3
3
5
5
M
M
H
H
z
z
(
(
M
M
a
a
x
x
)
)
Analog :07Vp-p
Analog :07Vp-p
640x480 (VGA)~1366x768(WXGA)
640x480 (VGA)~1366x768(WXGA)
al
l
S e
S e
p a
p
ar a
r
at e
t e
S Y
S Y
N C
N C
f o
f
or
r
T T
T
TL
L
( N
( N
o r
o r
P )
P )
D
D
i
i
g
g
i
i
t
t
a
a
l
l
H:31Hz~83Hz
H:31Hz~83Hz
V:56Hz~75Hz
V:56Hz~75Hz
k
k
1
1
3
3
5
5
M
M
H
H
z
z
(
(
M
M
a
a
x
x
)
)
u
u
t
t
A
A
n
n
a
a
l
l
o
o
g
g
:
:
0
0
7
7
V
V
p
p
-
-
p
p
Input Inpedance 75Ω
Input Inpedance 75Ω
x
x e
el s
l s
6 4
6
40 x
0
x4 8
4
80
0
(
( V
VG A
G
A) ~
)
~1 3
1
36 6
6
6x 7
x
76 8
6
8( W
(
WX G
X
GA )
A )
ut
t
A C
A C
1
1 0
00 V
0
V~ A
~
AC 2
C
24 0
4
0V
V
1
1 0
0%
%
5 0
5
0/ 6
/
60 H
0
Hz
z
, 3
,
3p i
p
in
n
A C
A C
P
P o
ow e
w
er
r
C
C o
1
1
parts.
parts.
h audio)
trol
l
logic
log
ic
,
,
ion), key
supply
upply
the
the
panel , and
panel , and
control for
ol for
or d
r d