Sharp LC-42DH77E (serv.man9) User Manual / Operation Manual ▷ View online
Connecting a PC
When using the EXT4 terminal, you must select “EXT4 (RGB)” in the
“PC Audio Select” menu (Refer to the right column for details).
“PC Audio Select” menu (Refer to the right column for details).
NOTE
The PC input terminals are DDC1/2B-compatible.
Refer to page 38 for a list of PC signals compatible with the TV.
A Macintosh adaptor may be required for use with some Macintosh
computers.
When connecting to a PC, the input signal type is automatically
detected except 1,024
Refer to page 38 for a list of PC signals compatible with the TV.
A Macintosh adaptor may be required for use with some Macintosh
computers.
When connecting to a PC, the input signal type is automatically
detected except 1,024
g 768 and 1,360 g 768 signals.
*
•
•
•
•
•
•
Analogue Connection
NOTE
Refer to page 29 for AV signals (See below).
HDMI: 480i/480p/576i/576p/720p/1080i/1080p
ANALOGUE RGB: 576p/720p (50Hz)/1080i
The ANALOGUE RGB terminal (PC) (EXT4) is not
compatible with 480i/576i/1080p signals.
HDMI: 480i/480p/576i/576p/720p/1080i/1080p
ANALOGUE RGB: 576p/720p (50Hz)/1080i
The ANALOGUE RGB terminal (PC) (EXT4) is not
compatible with 480i/576i/1080p signals.
•
•
Connecting a PC
HDMI Connection
Displaying a PC image on the
screen
screen
Selecting the picture size
You can select the picture size.
Press
f.
The “WIDE MODE” menu displays.
Press
f or
a/b to select a desired item on the
menu.
NOTE
Connect the PC before making adjustments.
Selectable picture size may vary with input signal type.
Selectable picture size may vary with input signal type.
EXAMPLE
1
•
2
•
•
•
Full: An image fully fills the screen.
Cinema: For letterbox pictures. Bars may appear on the
Cinema: For letterbox pictures. Bars may appear on the
top and bottom with some programmes.
Normal: Keeps the original aspect ratio in a full screen
display.
Dot by Dot: Displays an image with the same number of
pixels on the screen.
When using the HDMI2 terminal, you must select the proper item in
the “PC Audio Select” menu depending on the type of HDMI cable
connected (Refer to the right column for details).
the “PC Audio Select” menu depending on the type of HDMI cable
connected (Refer to the right column for details).
*
Setting audio input
PC Audio Select
Option
When using the EXT4 terminal or HDMI2 terminal, you must
select which terminal uses the AUDIO (R/L) jack for analogue
audio input.
select which terminal uses the AUDIO (R/L) jack for analogue
audio input.
HDMI2: When connecting devices (including a PC) with DVI/HDMI
cable to the HDMI2 terminal and inputting analogue audio
signals from the AUDIO (R/L) jack.
signals from the AUDIO (R/L) jack.
EXT4 (RGB): When connecting a PC to the EXT4 terminal, and
inputting analogue audio signals from the AUDIO (R/L) jack.
Item
NOTE
You must set this to “EXT4 (RGB)” when connecting
devices (including a PC) with an HDMI-certified cable to the
HDMI2 terminal. If “HDMI2” is set, there will be no sound
output.
devices (including a PC) with an HDMI-certified cable to the
HDMI2 terminal. If “HDMI2” is set, there will be no sound
output.
•
35
ø 3.5 mm stereo minijack cable
HDMI1, 2* or 3
HDMI-certified cable
PC
HDMI2*
DVI/HDMI cable
RGB cable
ø 3.5 mm stereo minijack cable
ø 3.5 mm stereo minijack cable
DVI/RGB conversion cable
Normal
Full
Item
PC
EXT4*
PC
EXT4*
PC
Connecting a PC
Press
a/b to select the specific adjustment
item.
Press
c/d to adjust the item to the desired
position.
1
2
Reset
H-Pos. [
90]
a
b
a
b
a
b
a
b
V-Pos.
Clock
Phase
[ 39]
[ 90]
[ 20]
NOTE
You can only select the “Input Signal” on the “Setup” menu
when receiving one of the two input signals listed above.
when receiving one of the two input signals listed above.
•
1024 x 768
1360 x 768
(Example)
Fine Sync.
Setup
NOTE
For resetting all adjustment items to the factory preset
values, press
values, press
a/b to select “Reset”, and then press OK.
“Clock” and “Phase” in the “Fine Sync.” menu can be
adjusted only when inputting analogue signals through the
EXT4 terminal.
adjusted only when inputting analogue signals through the
EXT4 terminal.
Selecting input resolution
Some input signals may have to be registered
manually to display properly.
The pairs of input signals (resolutions) in the list
below are not distinguishable when received. In such
cases, you have to set the correct signal manually.
After setting once, it will display when the same
signal (resolution) is input again.
manually to display properly.
The pairs of input signals (resolutions) in the list
below are not distinguishable when received. In such
cases, you have to set the correct signal manually.
After setting once, it will display when the same
signal (resolution) is input again.
•
•
•
•
Input Signal
Setup
30%
NOTE
When “Auto Sync.” is successful, “Auto Sync completed
successfully” displays. If not, “Auto Sync.” failed.
“Auto Sync.” may fail even if “Auto Sync completed
successfully” displays.
“Auto Sync.” may fail if the PC image has low resolution,
has unclear (black) edges, or is moved while executing
“Auto Sync.”.
Be sure to connect the PC to the TV and switch it on
before starting “Auto Sync.”.
“Auto Sync.” can be executed only when inputting
analogue signals through the EXT4 terminal.
successfully” displays. If not, “Auto Sync.” failed.
“Auto Sync.” may fail even if “Auto Sync completed
successfully” displays.
“Auto Sync.” may fail if the PC image has low resolution,
has unclear (black) edges, or is moved while executing
“Auto Sync.”.
Be sure to connect the PC to the TV and switch it on
before starting “Auto Sync.”.
“Auto Sync.” can be executed only when inputting
analogue signals through the EXT4 terminal.
Adjusting the PC image manually
Ordinarily you can easily adjust the picture as
necessary to change image position using “Auto
Sync.”. In some cases, however, manual adjustment is
needed to optimise the image.
necessary to change image position using “Auto
Sync.”. In some cases, however, manual adjustment is
needed to optimise the image.
•
•
•
•
•
Auto Sync.
Setup
Adjusting the PC image
automatically
automatically
This function enables the screen to be automatically
adjusted to its best possible condition when the
analogue terminals of the TV and PC are connected
with a commercially available DVI/RGB conversion
cable, etc.
adjusted to its best possible condition when the
analogue terminals of the TV and PC are connected
with a commercially available DVI/RGB conversion
cable, etc.
H-Pos.: Centres the image by moving it to the left or
right.
V-Pos.: Centres the image by moving it up or down.
Clock: Adjusts when the image flickers with vertical
Clock: Adjusts when the image flickers with vertical
stripes.
Phase: Adjusts when characters have low contrast or
when the image flickers.
36
Item
Connecting a PC
C1 C2 C3 C4 P1 P2 P3 P4
Communication conditions
Set the RS-232C communications settings on the PC
to match the TV’s communications conditions. The
TV’s communications settings are as follows:
to match the TV’s communications conditions. The
TV’s communications settings are as follows:
Baud rate:
9,600 bps
Data length:
8 bits
Parity bit:
None
Stop bit:
1 bit
Flow control:
None
Communication procedure
Send the control commands from the PC via the RS-
232C connector.
The TV operates according to the received command
and sends a response message to the PC.
Do not send multiple commands at the same time.
Wait until the PC receives the OK response before
sending the next command.
Make sure to send “A” with the carriage return and
confirm that “ERR” returns before operating.
232C connector.
The TV operates according to the received command
and sends a response message to the PC.
Do not send multiple commands at the same time.
Wait until the PC receives the OK response before
sending the next command.
Make sure to send “A” with the carriage return and
confirm that “ERR” returns before operating.
Command format
0
0
5
5
1
0
0
0
0
0
9
0
?
?
?
?
?
O
K
E
R
R
Response code format
RS-232C port specifications
PC Control of the TV
When a programme is set, the TV can be controlled
from the PC using the RS-232C terminal. The input
signal (PC/video) can be selected, the volume
can be adjusted and various other adjustments
and settings can be made, enabling automatic
programmed playing.
Use an RS-232C serial control cable (cross type)
(commercially available) for the connections.
from the PC using the RS-232C terminal. The input
signal (PC/video) can be selected, the volume
can be adjusted and various other adjustments
and settings can be made, enabling automatic
programmed playing.
Use an RS-232C serial control cable (cross type)
(commercially available) for the connections.
NOTE
This operation system should be used by a person who is
accustomed to using PCs.
accustomed to using PCs.
•
•
•
Parameter
Input the parameter values, aligning left, and fill with
blank(s) for the remainder (Be sure that four values are
input for the parameter).
When the input parameter is not within an adjustable
range, “ERR” returns (Refer to “Response code
format”).
blank(s) for the remainder (Be sure that four values are
input for the parameter).
When the input parameter is not within an adjustable
range, “ERR” returns (Refer to “Response code
format”).
When “?” is input for some commands, the present
setting value responds.
setting value responds.
After sending the return code (0DH), make sure to
send the line feed (0AH) as well.
send the line feed (0AH) as well.
Command four digits: Command. The text of four
characters.
Parameter four digits: Parameter 0–9, blank, ?
characters.
Parameter four digits: Parameter 0–9, blank, ?
37
RS-232C serial control cable
(cross type)
(cross type)
Eight ASCII codes
eCR
Command
four digits
four digits
Parameter
four digits
four digits
Return code
Normal response
Problem response (communication error or incorrect
command)
command)
Return code (0DH)
Return code (0DH)
Connecting a PC
NOTE
This TV has only limited PC compatibility, correct operation
can only be guaranteed if the video card conforms exactly
to the VESA 60 Hz standard. Any variations from this
standard will result in picture distortions.
can only be guaranteed if the video card conforms exactly
to the VESA 60 Hz standard. Any variations from this
standard will result in picture distortions.
•
CONTROL ITEM
COMMAND
PARAMETER
CONTROL CONTENTS
POWER SETTING
P
O W R
0
_
_
_
POWER OFF
INPUT SELECTION A
I
T
G
D
_
_
_
_
INPUT SWITCHING (TOGGLE)
I
T
V
D
_
_
_
_
TV (CHANNEL FIXED)
I
D
T
V
_
_
_
_
DTV (CHANNEL FIXED)
I
A
V
D
*
_
_
_
EXT1–4, 8 (1–4, 8), HDMI1–3
(5–7)
(5–7)
CHANNEL
D
C
C
H
*
*
_
_
TV DIRECT CHANNEL (1–99)
C
H
U
P
_
_
_
_
CHANNEL UP
C
H
D W
_
_
_
_
CHANNEL DOWN
D
T
V
D
*
*
*
_
THREE DIGIT DTV DIRECT
CHANNEL (1–999) (Non-Nordic
countries)
CHANNEL (1–999) (Non-Nordic
countries)
D
T
V
D
*
*
*
*
FOUR DIGIT DTV DIRECT
CHANNEL (1–9999) (Nordic
countries only)
CHANNEL (1–9999) (Nordic
countries only)
D
T
U
P
_
_
_
_
DTV CHANNEL UP
D
T
D W
_
_
_
_
DTV CHANNEL DOWN
INPUT SELECTION B
I
N
P
1
0
_
_
_
EXT1 (Y/C)
I
N
P
1
1
_
_
_
EXT1 (CVBS)
I
N
P
1
2
_
_
_
EXT1 (RGB)
I
N
P
2
0
_
_
_
EXT2 (Y/C)
I
N
P
2
1
_
_
_
EXT2 (CVBS)
AV MODE SELECTION
A
V
M D
0
_
_
_
TOGGLE
A
V
M D
1
_
_
_
STANDARD
A
V
M D
2
_
_
_
MOVIE
A
V
M D
3
_
_
_
GAME
A
V
M D
4
_
_
_
USER
A
V
M D
5
_
_
_
DYNAMIC (Fixed)
A
V
M D
6
_
_
_
DYNAMIC
A
V
M D
7
_
_
_
PC
A
V
M D
8
_
_
_
x.v.Colour
A
V
M D
?
?
?
?
1–8
VOLUME
V
O
L
M
*
*
_
_
VOLUME (0–60)
CONTROL ITEM
COMMAND
PARAMETER
CONTROL CONTENTS
POSITION
H
P
O
S
*
*
*
_
H-POSITION (AV/PC)
V
P
O
S
*
*
*
_
V-POSITION (AV/PC)
C
L
C
K
*
*
*
_
CLOCK (0–180)
P
H
S
E
*
*
_
_
PHASE (0–40)
WIDE MODE
W
I
D
E
0
_
_
_
TOGGLE (AV)
W
I
D
E
1
_
_
_
NORMAL (AV)
W
I
D
E
2
_
_
_
ZOOM 14:9 (AV)
W
I
D
E
3
_
_
_
PANORAMA (AV)
W
I
D
E
4
_
_
_
FULL (AV)
W
I
D
E
5
_
_
_
CINEMA 16:9 (AV)
W
I
D
E
6
_
_
_
CINEMA 14:9 (AV)
W
I
D
E
7
_
_
_
NORMAL (PC)
W
I
D
E
8
_
_
_
CINEMA (PC)
W
I
D
E
9
_
_
_
FULL (PC)
W
I
D
E
1
0
_
_
DOT by DOT (AV/PC)
W
I
D
E
1
1
_
_
UNDERSCAN (AV)
MUTE
M U
T
E
0
_
_
_
TOGGLE
M U
T
E
1
_
_
_
MUTE ON
M U
T
E
2
_
_
_
MUTE OFF
SURROUND
A
C
S
U
0
_
_
_
SURROUND TOGGLE
A
C
S
U
1
_
_
_
SURROUND ON
A
C
S
U
2
_
_
_
SURROUND OFF
AUDIO CHANGE
A
C
H
A
_
_
_
_
TOGGLE
SLEEP TIMER
O
F
T
M
0
_
_
_
OFF
O
F
T
M
1
_
_
_
SLEEP TIMER 30 MIN
O
F
T
M
2
_
_
_
SLEEP TIMER 1 HOUR
O
F
T
M
3
_
_
_
SLEEP TIMER 1 HOUR 30 MIN
O
F
T
M
4
_
_
_
SLEEP TIMER 2 HOUR
O
F
T
M
5
_
_
_
SLEEP TIMER 2 HOUR 30 MIN
TEXT
T
E
X
T
0
_
_
_
TEXT OFF
T
E
X
T
1
_
_
_
TEXT ON (TOGGLE)
D
C
P
G
*
*
*
_
DIRECT PAGE JUMP (100–899)
PC compatibility chart
Resolution
Horizontal
Frequency
Vertical
Frequency
Analogue (D-
Sub)
Digital (HDMI)
VESA
Standard
VGA
640
g 480
31.5 kHz
60 Hz
✔
✔
✔
SVGA
800
g 600
37.9 kHz
60 Hz
✔
✔
✔
XGA
1,024
g 768
48.4 kHz
60 Hz
✔
✔
✔
WXGA
1,360
g 768
47.7 kHz
60 Hz
✔
✔
✔
SXGA
1,280
g 1,024
64.0 kHz
60 Hz
✔
✔
✔
SXGA+
1,400
g 1,050
65.3 kHz
60 Hz
✔
✔
VGA, SVGA, XGA, WXGA, SXGA and SXGA+ are
registered trademarks of International Business
Machines Corporation.
registered trademarks of International Business
Machines Corporation.
RS-232C command list
38
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