LL-T1803 (serv.man8). Complete — Sharp Monitor Service Manual (repair manual)

Model
LL-T1803 (serv.man8)
Pages
22
Size
855.88 KB
Type
PDF
Document
Service Manual
Brand
Device
Monitor / Complete
File
ll-t1803-sm8.pdf
Date

View Sharp LL-T1803 (serv.man8) Service Manual online

CODE : 00Z
q
SERVICE MANUAL
CONTENTS
Parts marked with "
!
" are important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.
SHARP CORPORATION
LLT1803//E
LCD  MONITOR
LL-T1803-E
 MODEL
LL-T1803-P
      
LL-T1803-E/P
Product Name
Model Name
Color
LL-T1803-E
LL-T1803-H
Gray
LL-T1803-P
LL-T1803-B
Black
CHAPTER 1.
OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION . . .1 - 1
CHAPTER 2.
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS . . . . .2 - 1
CHAPTER 3.
DISASSEMBLY AND ASSEMBLY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 1
CHAPTER 4.
BLOCK DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1
CHAPTER 5.
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1
CHAPTER 6.
CIRCUIT DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 - 1
LL-T1803-E/P
OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION
1 – 1
CHAPTER 1. OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION
1. SPECIFICATIONS
■    
PRODUCT SPECIFICATIONS
• LCD display
46 cm measured diagonally
TFT LCD module
• Resolution (max.)
SXGA 1280 x 1024 pixels
• Displayable colors (max.)
16.77 million colors (8 bit)
• Brightness (max.)
220cd/m
2
•  Dot pitch
0.2805(H) 0.2805(V) mm
•  Contrast ratio
400:1
•  Angle of visibility
Left-right 170°; Up-down 170°
•  Screen display size
Horizontal 359 mm x Vertical 287.2 mm
• Video signal
Analog: Analog RGB (0.7Vp-p) [7
]
Digital:
DVI standard based on 1.0
• Sync signal
Separate Sync (TTL level: +/-), Sync on
Green, Composite Sync (TTL level: +/-)
• Expansion compensation
Digital screening
(enlargement of display tocorrect VGA/SVGA/XGA)
[expansion (total screen surface)]
•  Plug & Play
VESA DDC1/DDC2B compatible
• Power management
VESA:
based on DPMS
DVI:
based on DMPM
• Input signal terminal
Mini D-sub 15 pin (3 row), DVI-D 24 pin
• Screen tilt
Upward 0° -15°
• Screen swivel
90° from left through right (Turn table type)
• Power supply
AC100 - 240V, 50/60Hz
(Use special AC adapter,type NL-A61J of Sharp Corporation.)
•  Temperature of operating environment
5 - 35°C
• Power consumption
Maximum 49W (Standby state: 3.5W)
(Use special AC adapter.)
• Dimensions
422(W) x 217(D) x 420(H) mm
• Weight
Approx. 7.0kg
Display area only, approx. 5.4kg
■ 
■ 
■ 
■ 
DIMENSIONS (Units: mm)
Special AC adapter:
Analogue signal cable:Approx. 1.8m
■    
RELEVANT SIGNAL TIMINGS (ANALOG)
Display mode
Hsync
Vsync
Dot frequency
VESA
640
u
480
31.5kHz
60Hz
25.175MHz
37.9kHz
72Hz
31.5MHz
37.5kHz
75Hz
31.5MHz
800
u
600
35.1kHz
56Hz
36.0MHz
37.9kHz
60Hz
40.0MHz
48.1kHz
72Hz
50.0MHz
46.9kHz
75Hz
49.5MHz
1024
u
768
48.4kHz
60Hz
65.0MHz
56.5kHz
70Hz
75.0MHz
60.0kHz
75Hz
78.75MHz
1152
u
864
67.5kHz
75Hz
108.0MHz
1280
u
960
60.0kHz
60Hz
108.0MHz
1280
u
1024
64.0kHz
60Hz
108.0MHz
80.0kHz
75Hz
135.0MHz
US text
720
u
400
31.5kHz
70Hz
28.3MHz
Power
Macintosh
series
640
u
480
35.0kHz
66.7Hz
30.2MHz
832
u
624
49.7kHz
74.6Hz
57.3MHz
1024
u
768
60.2kHz
75Hz
80.0MHz
1152
u
870
68.7kHz
75Hz
100.0MHz
1280
u
1024
64.0kHz
60Hz
108.0MHz
80.0kHz
75Hz
135.0MHz
422
68
372
420
267
217
Approx. H 110 mm x D 60 mm x H 30 mm
Approx. 1.8 m
LL-T1803-E/P
OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION
1 – 2
•  Recommended resolution is 1280 
u
 1024.
•  All are compliant only with non-interlaced.
•  Frequencies for Power Macintosh and the Sun Ultra series are refer-
ence values. To connect, another adapter (purchased separately)
may be required.
•  If the monitor is receiving timing signals that are not compatible, [OUT
OF TIMING] will appear.
Follow your computerÅfs instruction manual to set the timing so that it
is compatible with the monitor.
•  If the monitor is not receiving any signal (synch signal), [NO SIGNAL]
will appear.
■    
RELEVANT SIGNAL TIMINGS (DIGITAL)
•  Recommended resolution is 1280 
u
 1024.
•  All are compliant only with non-interlaced.
• A computer with an output terminal conforming to DVI (DVI-D24 pin
or DVI-I29 pin) and with SXGA output capability can be connected
here.
(Depending on the type of computer to be connected, the display may
not work correctly.)
•  If the monitor is receiving timing signals that are not compatible, [OUT
OF TIMING] will appear.
Follow your computer's instruction manual to set the timing so that it
is compatible with the monitor.
•  If the monitor is not receiving any signal (synch signal), [NO SIGNAL]
will appear.
■    
THE ANALOG SIGNAL INPUT CONNECTOR PIN
■    
THE DVI-D INPUT CONNECTOR PIN
■    
POWER MANAGEMENT
The monitor is based on the VESA DPMS*1 and the DVI DMPM*2 stan-
dards.
To activate the monitor's Power Management function, both the video
card and the computer must conform to the VESA DPMS standard and
the DVI DMPM standard.
* 1 DPMS: Display Power Management Signalling
Sun Ultra
series
1024
u
768
48.3kHz
60Hz
64.13MHz
53.6kHz
66Hz
70.4MHz
56.6kHz
70Hz
74.25MHz
1152
u
900
61.8kHz
66Hz
94.88MHz
71.8kHz
76.2Hz
108.23MHz
1280
u
1024
71.7kHz
67.2Hz
117.01MHz
81.1kHz
76Hz
134.99MHz
Display mode
Hsync
Vsync
Dot frequency
VESA
640
u
480
31.5kHz
60Hz
25.175MHz
37.9kHz
72Hz
31.5MHz
37.5kHz
75Hz
31.5MHz
800
u
600
37.9kHz
60Hz
40.0MHz
48.1kHz
72Hz
50.0MHz
46.9kHz
75Hz
49.5MHz
1024
u
768
48.4kHz
60Hz
65.0MHz
56.5kHz
70Hz
75.0MHz
60.0kHz
75Hz
78.75MHz
1152
u
864
67.5kHz
75Hz
108.0MHz
1280
u
960
60.0kHz
60Hz
108.0MHz
1280
u
1024
64.0kHz
60Hz
108.0MHz
US text
720
u
400
31.5kHz
70Hz
28.3MHz
Display mode
Hsync
Vsync
Dot frequency
DPMS mode
Screen
Power
consumption
H-sync
V-sync
ON
Display on
49W
Yes
Yes
STANDBY
Display off
3.5W
No
Yes
SUSPEND
Yes
No
OFF
No
No
5
1
2
3
4
10
6
7
8
9
15
11
12
13
14
(Mini D-sub connector with 15 pins)
Number
Function
1
Red video signal input
2
Green video signal input
3
Blue video signal input
4
GND
5
GND
6
For red video signal GND
7
For green video signal GND
8
For blue video signal GND
9
DDC+5V
10
N.C.
11
GND
12
DDC data
13
For Hsync signal input
14
For Vsync signal input
15
DDC clock
1
7
6
5
4
3
2
8
9
15
14
13
12
11
10
16
17
23
22
21
20
19
18
24
(DVI-D connector with 24 pins)
No. Function
No. Function
1
TMDS data 2-
13 N.C.
2
TMDS data 2+
14 +5V
3
TMDS data 2/4 shield 15 GND
4
N.C.
16 Hot plug detection
5
N.C.
17 TMDS data 0-
6
DDC clock
18 TMDS data 0+
7
DDC data
19 TMDS data 0/5 shield
8
N.C.
20 N.C.
9
TMDS data 1-
21 N.C.
10 TMDS data 1+
22 TMDS clock shield
11 TMDS data 1/3 shield 23 TMDS clock +
12 N.C.
24 TMDS clock -
LL-T1803-E/P
OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION
1 – 3
■    
DDC (PLUG & PLAY)
This monitor supports the VESA DDC (Display Data Channel) standard.
DDC is a signal standard for carrying out Plug & Play functions on the
monitor or PC. It transfers information such as degree of resolution
between the monitor and PC. You can use this function if your PC is
DDC compliant and if it is set so that it can detect the Plug & Play mon-
itor.
There are many varieties of DDC due to the differences between sys-
tems. This monitor works with DDC1 and DDC2B.
2. PRODUCT DESCRIPTION
■    
STANDING UP AND ADJUSTING THE MONITOR
Caution: • Pressure from hands on the LCD panel could cause damage.
• Be careful not to allow your fingers to be pinched.
Standing up the monitor
Press down on the stand and lift up the top section of the monitor.
Folding up the monitor
1. Remove the AC adapter and the RGB signal cable.
2. If carrying out adjustments to the monitor, place it upright.
3. While pressing the rear lock disable button (1), gently fold back the
monitor (2).
Angle adjustment
Adjust to an easy to view angle.
1.
INPUT button
To switch between the signal’s input terminals.
(Analog signal input terminal
0
DVI-D input ter-
minal)
2.
MENU button
This button is used to pop-up, select and close
the OSD (On Screen Display) Menu.
3.
SELECT button This button is used to select menu options when
the OSD Menu is displayed.
4.
e d
buttons
When the OSD Menu is displayed:
These buttons are used to increase or decrease
the value of a selected option.
When the OSD Menu is not displayed:
These buttons are used to adjust backlight
brightness.
5.
Power LED
This LED is lit green when in use and orange
when in power-saving mode.
6.
Power button
7.
Power terminal
8.
Analog signal
 input terminal
Use this when connecting to the computer’s
analog RGB output terminal.
9.
DVI-D input
terminal
Use this when connecting to the computer’s dig-
ital RGB output terminal.
It can be connected to a computer with a DVI-
compatible output terminal (DVI-D24 pin or DVI-
I 29 pin) and which has SXGA output ability.
(Depending on the computer to be connected,
correct display may or may not be possible.)
In order to connect, it is necessary to purchase
a Digital signal cable. (Model name: NL-C01E)
10. Security lock
anchor
By connecting a security lock (purchased sepa-
rately) to the security lock anchor, the monitor is
fixed so that it cannot be transported.
The security slot works in conjunction with
Kensington Micro Saver Security Systems.
11. Ventilation
openings
Note:Never block the ventilation openings as
this may lead to overheating inside the monitor
and result in malfunction.
6
5
4
3
2
1
7
8
11
11
11
10
9
2
1
45
45
15
Page of 22
Display

Download Sharp LL-T1803 (serv.man8) Service Manual (Repair Manual)

Here you can view online or download Sharp LL-T1803 (serv.man8) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp LL-T1803 (serv.man8) Monitor. Information contained in Sharp LL-T1803 (serv.man8) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).