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54
Appendix
Troubleshooting
• No power.
Problem Possible Solution
• Check if you pressed POWER on the remote control unit. (See page 15.)
If the indicator on the TV lights up red, press POWER.
• Is the AC cord disconnected? (See page 6.)
• Has the power been turned on? (See page 15.)
• Unit cannot be operated.
• Remote control unit does not operate.
• Are batteries inserted with polarity (e, f) aligned? (See page 5.)
• Are batteries worn out? (Replace with new batteries.)
• Are you using it under strong or fluorescent lighting?
• Is a fluorescent light illuminated to remote control sensor?
• Picture is cut off.
• External influences such as lightning, static electricity, etc., may cause improper operation. In this case, operate the unit after first turning the power off the TV or unplugging the AC cord and re-plugging it in after 1 or 2 minutes.
• Is the image position correct? (See page 43.)
• Are screen mode adjustments such as picture size made correctly? (See pages
44, 46 and 47.)
• Strange colour, light colour, or dark, or colour misalignment.
• Adjust the picture tone. (See pages 27 to 29 and 48.)
• Is the room too bright? The picture may look dark in a room that is too bright.
• Check the colour system setting. (See pages 23 and 49.)
• Check the input signal setting. (See pages 41 and 50.)
• Check the HDMI Setup setting. (See page 48.)
• Power is suddenly turned off.
• No picture.
• No sound.
• The unit’s internal temperature has increased.
Remove any objects blocking vent or clean.
• Check the power control setting. (See page 31.)
• Is sleep timer set? (See page 17.)
• Is connection to other equipment correct? (See pages 10 and 11.)
• Has input signal setup been done correctly after connection? (See pages 41 and 50.)
• Is the correct input selected? (See page 50.)
• Is picture adjustment correct? (See pages 27 to 29.)
• Is the antenna connected properly? (See page 9.)
• Is “On” selected in “Audio Only”? (See page 48.)
• Is the volume too low? (See page 17.)
• Make sure that headphones are not connected. (See page 12.)
Troubleshooting (DTV)
Problem
• No picture or no sound.
Possible Solution
• Is the correct input source selected? (See page 50.)
• Block noise appears on the screen.
• Is the antenna pointing in the correct direction?
• Check the Signal Level and Quality. (See page 35.)
• Are physical objects blocking the antenna?
• Is the antenna or antenna cable compatible with DTV broadcasts?
• DTV broadcasts cannot be received.
• Is the DTV antenna set up properly?
• Is the antenna cable connected properly? (See page 9.)
• Are the channel settings correct? (See pages 35 and 36.)
• A specific channel cannot be received.
• Check the Signal Level and Quality. (See page 35.)
Cautions regarding use in high and low temperature environments
• When the unit is used in a low temperature space (e.g. room, office), the picture may leave trails or appear slightly delayed. This is not a malfunction, and the unit will recover when the temperature returns to normal.
• Do not leave the unit in a hot or cold location. Also, do not leave the unit in a location exposed to direct sunlight or near a heater, as this may cause the cabinet to deform and the LCD panel to malfunction.
Storage temperature: –20°C to +60°C.
LC-GD7X_E-l 54 06.9.29, 11:51 AM
Appendix
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.
Attach an RS-232C cable cross-type (commercially available) to the supplied Din/D-sub RS-232C for the connections.
NOTE
• This operation system should be used by a person who is accustomed to using PCs.
Communication conditions
Set the RS-232C communications settings on the PC to match the communications conditions of the TV. The communications settings of the TV are as follows:
Baud rate:
Data length:
Parity bit:
Stop bit:
Flow control:
9,600 bps
8 bits
None
1 bit
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.
Command format
Eight ASCII codes e CR
C1 C2 C3 C4 P1 P2 P3 P4
Command 4-digits Parameter 4-digits
Command 4-digits: Command. The text of four characters.
Parameter 4-digits: Parameter 0 – 9, space, ?
Return code
Parameter
Input the parameter values, aligning left, and fill with space(s) for the remainder. (Be sure that four values are input for the parameter.)
When the input parameter is not correct, “ERR” returns. (Refer to “Response code format”.)
0
0 0 0 9
– 3 0
1 0 0
0 0 5 5
When “?” is input for some commands, the present setting value responds.
?
?
?
?
?
55
LC-GD7X_E-l 55 06.10.12, 6:25 AM
Appendix
Response code format
Normal response
O K
Return code (0DH)
Problem response
(communication error or incorrect command)
E R R
Return code (0DH)
Commands
• Commands not indicated here are not guaranteed to operate.
CONTROL ITEM
POWER SETTING
INPUT SELECTION A
CHANNEL
INPUT SELECTION B
AV MODE
SELECTION
COMMAND PARAMETER
CONTROL
CONTENTS
P O W R 0 _
I
I T G D _ _
_
_
_
_
POWER OFF (STANDBY)
INPUT SWITCHING (TOGGLE)
T V D _ _
I
I D T V
A V D
D C C H
_ _
*
*
_
*
_
_
_
C H U P _ _
C H D W _ _
D T V D *
D T U P
*
_ _
D T D W _ _
I N P 1 0 _
I N P 1 1 _
I N P 1 3 _
I N P 2 0 _
I N P 2 1 _
I N P 2 3 _
I N P 3 0 _
I N P 3 2 _
I N P 3 3 _
I N P 6 0 _
I N P 6 5 _
I N P 6 6 _
A V M D 0 _
A V M D 1 _
A V M D 2 _
A V M D 3 _
A V M D 4 _
A V M D 5 _
A V M D 6 _
A V M D 7 _
_
_
_
*
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
TV (CHANNEL FIXED)
DTV (CHANNEL FIXED)
INPUT1 – 6 (1 – 6)
TV DIRECT CHANNEL (1 – 99)
CHANNEL UP
CHANNEL DOWN
DTV DIRECT CHANNEL (1 – 999)
DTV CHANNEL UP
DTV CHANNEL DOWN
INPUT1 (AUTO)
INPUT1 (COMPONENT)
INPUT1 (VIDEO)
INPUT2 (AUTO)
INPUT2 (COMPONENT)
INPUT2 (VIDEO)
INPUT3 (AUTO)
INPUT3 (S-VIDEO)
INPUT3 (VIDEO)
AUTO
DIGITAL
ANALOGUE
TOGGLE
STANDARD
MOVIE
GAME
USER
DYNAMIC (Fixed)
DYNAMIC
PC
CONTROL ITEM
VOLUME
POSITION
WIDE MODE
MUTE
SURROUND
AUDIO CHANGE
SLEEP TIMER
TEXT
COMMAND PARAMETER
CONTROL
CONTENTS
V O L M
H P O S
H P O S
V P O S
V P O S
C
*
*
*
*
*
L C K *
P H S E *
*
*
*
*
*
*
*
I
I
I
I
I
I
I
I
W
W
W
W
W
W
W
W
D E 0 _
D E 1 _
D E 2 _
D E 3 _
D E 4 _
D E 5 _
D E 6 _
D E 7 _
_ _
*
*
_
_
*
*
_
_
*
*
_
_
_ _
_ _
_ _
_ _
_ _
_ _
_ _
_ _
VOLUME (0 – 60)
H-POSITION (AV) ( ⳮ10 – Ⳮ10)
H-POSITION (PC) (0 – 180)
V-POSITION (AV) ( ⳮ20 – Ⳮ20)
V-POSITION (PC) (0 – 100)
CLOCK (0 – 180)
PHASE (0 – 40)
TOGGLE (AV)
NORMAL (AV)
ZOOM 14:9 (AV)
PANORAMA (AV)
FULL (AV)
CINEMA 16:9 (AV)
CINEMA 14:9 (AV)
NORMAL (PC)
W
W
W
M U
M U
M
A C
A
A
A
I
I
I
U
C
C
C
T E
D
D
E
E
8
9
_
_
_
_
_
_
D E 1 0 _ _
T
T
T
S U
S
S
H
E
E
E
U
U
A
0
1
2
0
1
2
_
_
_
_
_
_
_
_
_
_ _
_
_ _
_
_
_
_
_ _
_ _
O F T M 0 _ _ _
O
O
O
O
O
F T
F T
F T
F T
F T
M 1
M 2
M 3
M 4
M 5
X T
T E X T 1 _
D C P G
0
*
_
_
_
_
_
_
*
_
_ _
_
_ _
_
_
_
_
_ _
_ _
* _
CINEMA (PC)
FULL (PC)
DOT BY DOT (PC)
TOGGLE
MUTE
MUTE OFF
SURROUND TOGGLE
SURROUND ON
SURROUND OFF
TOGGLE
OFF
SLEEP TIMER 30 MIN
SLEEP TIMER 1 HOUR
SLEEP TIMER 1 HOUR 30 MIN
SLEEP TIMER 2 HOUR
SLEEP TIMER 2 HOUR 30 MIN
TEXT OFF
TEXT ON (TOGGLE)
DIRECT PAGE JUMP (100 – 899)
NOTE
• If an underbar (_) appears in the parameter column, enter a space.
• If an asterisk (*) appears, enter a value in the range indicated in brackets under CONTROL CONTENTS.
56
PC compatibility chart
Resolution
VGA
SVGA
Horizontal
Frequency
720 g 400
640 g 480
31.5 kHz
31.5 kHz
640 g 480 37.9 kHz
640 g 480 37.5 kHz
800 g 600 35.1 kHz
800 g 600 37.9 kHz
800 g 600
800 g 600
48.1 kHz
46.9 kHz
Vertical
Frequency
70 Hz
60 Hz
72 Hz
75 Hz
56 Hz
60 Hz
72 Hz
75 Hz
VESA
Standard
✓
✓
✓
✓
✓
✓
✓
Resolution
Horizontal
Frequency
XGA
WXGA
SXGA
1024 g 768
1024 g 768
1024 g 768
1360 g 768
48.4 kHz
56.5 kHz
60.0 kHz
47.7 kHz
1280 g 1024 64.0 kHz
SXGA+ 1400 g 1050 65.3 kHz
Vertical
Frequency
60 Hz
70 Hz
75 Hz
60 Hz
60 Hz
60 Hz
VESA
Standard
✓
✓
✓
✓
✓
✓
LC-GD7X_E-l 56 06.9.29, 11:51 AM
LC-GD7X_E-m
Appendix
Specifications
Item
LCD panel
Number of dots
Video Colour System
TV
Function
TV-Standard
Receiving
Channel
Model LC-46GD7X
LC-52GD7X
Brightness
Backlight life
Digital Terrestrial Broadcast VHF/UHF 174–230 MHz, 520–582 MHz, 582–820 MHz
TV-Tuning System
STEREO/BILINGUAL
Auto Preset 99 ch
NICAM: B/G, I, D/K A2 stereo: B/G
450 cd/m 2
60,000 hours (at Backlight Standard position)
Viewing angles
Audio amplifier
Speakers
Terminals Rear
Side
Front
OSD language
Power Requirement
Analogue
Digital
VHF/UHF
CATV
46o (117 cm) Advanced Super View &
BLACK TFT LCD
6,220,880 dots (1920 g 1080 g 3 dots)
PAL/SECAM/NTSC 3.58/NTSC 4.43/PAL 60
52o (132 cm) Advanced Super View &
BLACK TFT LCD
PAL: B/G, D/K, I SECAM: B/G, D/K, K/K
1
NTSC: M
DVB-T
44.25-863.25 MHz
S1–S41ch (including Hyperband)
H : 176° V : 176°
15W g 2
6.5 cm 4pcs, 2.0 cm 2 pcs
ANALOGUE ANTENNA IN
DIGITAL ANTENNA IN
INPUT 1
INPUT 2
INPUT 4
75 q DIN type
75 q DIN type
VIDEO in, AUDIO in, COMPONENT in (480I, 576I, 480P, 576P, 720P/50Hz, 720P/60Hz,
1080I/50Hz, 1080I/60Hz)
VIDEO in, AUDIO in, COMPONENT in (480I, 576I, 480P, 576P, 720P/50Hz, 720P/60Hz,
1080I/50Hz, 1080I/60Hz)
HDMI (HDMI input) (480I, 576I, 480P, 576P, 720P/50Hz, 720P/60Hz, 1080I/50Hz,
1080I/60Hz, 1080P/50Hz, 1080P/60Hz)
INPUT 5
INPUT 6
MONITOR OUT
HDMI (HDMI input) (480I, 576I, 480P, 576P, 720P/50Hz, 720P/60Hz, 1080I/50Hz,
1080I/60Hz, 1080P/50Hz, 1080P/60Hz), AUDIO in
Ø 3.5mm jack (Audio input), DVI-I (DVI-I input)
VIDEO out, AUDIO out
RS-232C
Digital
9 pin D-sub male connector
DIGITAL AUDIO OUTPUT Optical Digital audio output
INPUT 3
Headphones
VIDEO in, AUDIO in, S-VIDEO in
Ø 3.5mm jack (Audio output)
Analogue English/Chinese/Arabic
English
AC 110–240 V, 50 Hz
Power Consumption
Weight Display only with Display and speakers with Display, speakers and stand
Operating Temperature
274 W (0.9 W Standby)
31.5 kg
35.0 kg
38.0 kg
0°C - 40°C
299 W (0.9 W Standby)
37.0 kg
41.0 kg
44.0 kg
• As a part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of production units. There may be some deviations from these values in individual units.
Optional accessories
The listed optional accessories are available for the LCD colour
TV. Please purchase them at your nearest shop.
• Additional optional accessories may be available in the near future. When purchasing, please read the newest catalogue for compatibility and check the availability.
Part name
Wall mount bracket
(for LC-46GD7X/LC-
52GD7X)
Model number
AN-52AG1
AN-37AG2*
• You cannot change TV angles when you mount the TV on the wall using the
AN-37AG2 wall mount bracket.
57
57 06.9.29, 11:52 AM
Appendix
Removing the speakers
The unit’s speakers can be attached and removed.
Before attaching/detaching the speakers
• Before detaching (or attaching) the speakers, unplug the AC cord from the AC outlet.
• Remove all terminal covers and connected cables.
• Make sure two or more people perform the operation when detaching (or attaching) the speakers.
1
Remove the two speaker terminal covers.
2
Unplug the speaker cables from the speaker terminals.
• Remove the speaker cables (2) while pushing in on the tabs on the speaker terminals (1).
3
Remove the two screws on both the left and right of the speaker unit.
• Place cushioning on both sides of the stand to avoid scratching or damaging to the speakers.
4
Lean the speakers slightly toward you (1) and lay them straight down onto the cushioning (2).
58
LC-GD7X_E-m
NOTE
• To attach the speakers, perform the steps in reverse order.
• External speakers can also be attached to the TV. (See page 40.)
• When the unit’s speakers are already detached, the TV does not output volume unless external speakers are connected to the TV.
58 06.9.29, 11:52 AM
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