DOWNLOAD Sony KE-P42MRX1 / KE-P50MRX1 Service Manual ↓ Size: 52.93 MB | Pages: 127 in PDF or view online for FREE

Model
KE-P42MRX1 KE-P50MRX1
Pages
127
Size
52.93 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
ke-p42mrx1-ke-p50mrx1.pdf
Date

Sony KE-P42MRX1 / KE-P50MRX1 Service Manual ▷ View online

 17 
MRX1
RM-Y1012
Rear Terminals:
• AV1: 
1/
21-pin Scart connector (CENELEC standard) 
including audio/video input, RGB input, TV audio/
video output.
• AV2: 
2/
 (SMARTLINK; selectable) 
21-pin Scart connector (CENELEC standard) 
including audio/video input, RGB input, selectable 
audio/video output and SmartLink interface.
• AV3: 
3/
 (SMARTLINK; selectable) 
21-pin Scart connector (CENELEC standard) 
including audio/video input, S video input, 
selectable audio/video output and Smartlink 
interface.
• AV4:
•  
4: Y:1 Vp-p, 75 ohms, 0.3V negative sync
PB:0.7 Vp-p, 75 ohms
PR:0.7 Vp-p, 75 ohms
• 
4:  audio input (phono jacks)
500 m Vrms (100% modulation), 
Impedance: 47 kilo ohms
• 
   Sub Woofer output (phono jack)
• 
 audio outputs (Left/Right) - phono jacks
• 
 CENTRE SPEAKER IN:   Max. 180W (6-ohms)
• CTRL S: minijack
• AV MOUSE: minijack
Front Terminals:
• AV5: 
•  
5: S video input (4-pin mini DIN):
Y: 1 Vp-p, 75-ohms unbalanced, sync
 
negative
C: 0.286 Vp-p (Burst signal), 75 ohms
•  
5: video input (phono jack):
1 Vp-p, 75-ohms unbalanced, sync
 
negative
•  
5:  audio input (phono jacks):
500 m Vrms (100% modulation), 
Impedance: 47 kilo ohms
• AV6:
    • PC
PC Input (15-Dsub)
G:0.7 Vp-p, 75 ohms, non Sync on Green
B:0.7 Vp-p, 75 ohms, non Sync on Green
R:0.7 Vp-p, 75 ohms, non Sync on Green
HD:1-5 Vp-p
VD:1-5 Vp-p
   • PC 
:
PC audio input: minijack
• 
  headphones jack
• 
 Memory Stick Slot
Accessories supplied:
• One Remote Control (RM-Y1012)
• Two size AA batteries (R03 type)
• One Display Interface Cable
• One Coaxial Cable
• One AV Mouse
• Two Mains Leads (Type C-4)
• Two Mains Leads (Type BF)
• Two Mains Leads (Type C-5)
Main leads Type BF and Type C-5 may not be 
supplied depending on the country.
• One Cleaning cloth 
• One Mains plug holder
• One PC Cable
• Only for KE-P61MRX1 (supplied with the display unit 
PDM 6110): 2 Frame Bars and 4 Screws.
• Only for KLV-L42MRX1 (supplied with the display 
unit LDM-4210): 2 speaker jack covers.
Other features:
• Teletext, Fastext, TOPtext
• NexTView
• Sleep Timer
• SmartLink (direct link between your TV set and a 
compatible VCR or DVD recorder. For more 
information on Smartlink, please refer to the 
Instruction Manual of your VCR or DVD recorder).
• TV system Autodetection
• Dolby Virtual
• BBE Digital
• ACI (Auto Channel Installation)
• Auto Format
• DRC
®
 (Digital Reality Creation)
• PAP (Picture and Picture).
•  PAT (Picture And Text).
• Remote Control with learning functions.
• Memory Stick (reader and recorder).
PC Input Timing:
(see next page).
QuickTime and the QuickTime logo are trademarks 
used under license. The QuickTime is registered in 
the U.S. and other countries.
S
 
S
 
 
PC Input Specifications
PC Input Timing
Input signal frequency:
Horizontal: 15,6 - 90 KHz.
Vertical: 48 - 85 Hz.
Maximum Resolution: 1600 dots x -1200 lines.
Preset mode timing table for PC
 
VGA-TEXT (720x400@70) cannot be available with this model. If you need any set up in your PC, please set 
it up by using other display in advance.
No.
Resolution
(dots x lines)
     Graphic mode
Horizontal 
frequency (KHz)
Vertical frequency         
(Hz)
1
  640x480
  VESA 60  
           31.469
            59.940
2
  800x600
  VESA 60
            37.879
            60.317
3
  1024x768
  VESA 60
            48.363
             60.004
4
  1280x768
  VESA (W-SVGA)
           47.986
              59.833
5
 1280x1024
  VESA 60
           63.981
              60.020
Horizontal/ Vertical
Polarity
Negative/Negative
Positive/Positive
Negative/Negative
Positive/Negative
Positive/Positive
 18 
MRX1
RM-Y1012
Troubleshooting
Here are some simple solutions to problems which may affect the picture and sound.
Problem
Possible solution
No picture
No picture (screen is dark) and no sound. • Check the aerial connection.
• Connect the display unit and media receiver unit to the mains, and 
press the   power switch on the front of media receiver unit.
• Connect the display unit to the media receiver unit using the 
supplied display interface cable.
• If the   (power on/standby) indicator is on, press TV 
 on the 
remote control. 
The TV turns off automatically. (The TV 
enters the standby mode.)
• Check if the Sleep Timer is activated (page 30).
• Check if Auto Shutoff is activated (page 30).
No picture or no menu information from 
equipment connected to the Scart 
connector.
• Check that the optional equipment is on and press the 
 button 
repeatedly on the remote control until the correct input symbol is 
displayed on the screen (page 52). 
• Check the connection between the optional equipment and the TV.
Poor picture/Unstable picture.
Double images or ghosting.
• Check aerial/cable connections.
• Check the aerial location and direction.
Only snow and noise appears on the 
screen.
• Check if the aerial is broken or bent.
• Check if the aerial has reached the end of its serviceable life. (3-5 
years in normal use, 1-2 years at the seaside)
Dotted lines or stripes.
• Keep the TV away from electrical noise sources such as cars, 
motorcycles, or hair-dryers.
No colour on colour programmes.
• Using the menu system, select the “Picture Adjustment” menu and 
select “Reset” to return to the factory settings (page 23).
• If you set the Power Saving function to “Reduce,” picture colours 
may become dimmer (page 26).
Some tiny black points and/or bright 
points on the screen.
• The picture of a display unit is composed of pixels. Tiny black 
points and/or bright points (pixels) on the screen, do not indicate a 
malfunction.
The picture is too bright.
Picture (stripe) noise.
• Using the menu system, select the “Picture Adjustment” menu and 
select “Picture Mode” Then select the desired picture mode (page 
22).
• Make sure that the aerial is connected using the supplied coaxial 
cable.
• Keep the aerial cable away from other connecting cords.
• Do not use 300-ohm twin lead cables as interference may occur.
Poor picture (white saturation) when 
viewing a signal from Scart connector 
3/
.
• Make sure that the output signal of the equipment connected to the 
Scart connector 
3/
 is not an RGB signal. If it is an RGB 
signal, please connect the equipment to Scart 
1/
 or     
2/
.
S
S
 TV
continued...
Distorted picture and/or noisy sound.
• Check if any connected optional equipment is installed in close 
proximity of the TV set.
Stripe noise during playback/recording   
of a VCR.
• Video head interference. Keep your VCR away from the TV.
• Leave a space of 30 cm between your VCR and the display unit to 
avoid noise.
• Avoid installing your VCR in front of the display unit or at the side 
of the display unit.
Poor or no picture (screen is dark), but 
good sound.
• Using the menu system, select the “Picture Adjustment” menu and 
select “Reset” to return to the factory settings (page 23).
• If the 
 PICTURE OFF indicator lights up in blue, press 
 
(picture off) on the remote control.
Noisy picture when viewing a TV 
channel.
• Using the menu system, select the “Manual Programme Preset” 
option in the “Set Up” menu and adjust Fine Tuning (AFT) to 
obtain better picture reception (page 35).
• Using the menu system, set the "Noise Reduction" option in the 
“Picture Adjustment” menu to reduce the noise in the picture (page 
23).
Distorted picture when changing 
programmes or selecting teletext.
• Turn off any equipment connected to the Scart connector on the 
rear of the media receiver unit.
Only for PDP models: KE-P42MRX1, 
KE-P50MRX1 and KE-P61MRX1
In the screen appears an image 
retention (afterimage)
• Using the menu system, select the “Features” menu, next select the 
“Screen Saver” submenu and finally set the “All White” option to 
“On” to reduce the image retention (see page 29).
The screen flickers when turning on 
the TV.
• This is inherent in the Plasma Display Panel, and does not indicate 
a malfunction.
Wrong characters appear when viewing 
teletext.
• Using the menu system, enter the “Country” option in the “Set Up” 
menu and select the country in which you operate the TV set (page 
33). For Cyrillic languages, we recommend that you select Russia 
if your own country does not appear in the list. 
Wrong characters appear when viewing 
NexTView.
• Using the menu system, enter the “Language” option in the “Set 
Up” menu and select the languge as the NexTView is broadcasted 
(page 46).
No sound/Noisy sound.
Good picture, no sound.
• Press the 
2 +/– or % (mute) on the remote control.
• Check that “TV Speakers” option is set to “Main” in the “Sound 
Adjustment” menu (page 25).
Audio noise.
• Make sure that the aerial is connected using the supplied coaxial 
cable.
• Keep the aerial cable away from other connecting cords.
• Do not use 300-ohm twin lead cables as interference may occur.
• Communication problems may occur if the infrared communication 
equipment (e.g. infrared cordless headphones) is used near the TV. 
Please use headphones other than infrared cordless headphones, 
move the infrared transceiver away from the TV until the noise is 
eliminated, or move the transmitter and receiver of the infrared 
communication equipment closer together.
Problem
Possible solution
continued...
 19 
MRX1
RM-Y1012
The TV fan noise gets louder.
Cannot operate the menu.
Strange sound.
• The ventilation holes can accumulate dust over a period of time. 
The accumulated dust may make the cooling function of the built-
in fan less effective. To prevent this, we recommend removing the 
dust periodically (once a month) using a vacuum cleaner.
• If the item you want to select appears in a pale colour, you cannot 
select it.
The TV cabinet creaks.
• Changes in room temperature sometimes causes the TV cabinet to 
expand or contract, which can make slight noises. This does not 
indicate a malfunction.
The TV whirs.
• The TV’s fan setting is working. This does not indicate a 
malfunction.
The TV ticks.
• An electrical circuit inside the TV is activated when the TV is 
turned on. This does not indicate a malfunction.
The TV buzzes.
• There might be a surge sound when turning on the TV. This does 
not indicate a malfunction.
Remote Control
Remote control does not function.
v
V
B
 and 
b
 buttons do not work in PAP 
mode.
• Check that the Media Selector on the remote control is set correctly 
for the device you are using (VCR, TV, DVD or AUX).
• If the remote control does not operate the VCR or DVD even when 
the Media Selector has been set correctly, enter the necessary code 
set as explained in “Remote Control Configuration for VCR or 
DVD” on page 47.
• Replace the batteries.
•  PAP navigation is only possible in TV mode, please check that 
Media Selector is set to TV.
The   (power on/standby) indicator
on the TV flashes.
• Contact your nearest Sony service centre.
Problem
Possible solution
continued...
If the NO SYNC message appears on the 
screen or if the   (power on/standby) 
indicator lights up in yellow
• Check that the video signal cable is properly connected and all 
plugs are firmly seated in their sockets.
• Check that the 15-Dsub video input connector’s pins are not bent 
or pushed in. 
Problems caused by the connected computer
• The computer is in power saving mode. Try pressing any key on 
the computer keyboard.
• Check that the computer’s power is “on.”
• Check that the graphic board is completely seated in the proper bus 
slot.
If the OUT OF RANGE message appears 
on the screen
Problems caused by the connected computer
• Check that the video frequency range is within that specified for 
the monitor. If you replaced an old monitor with this TV, reconnect 
the old monitor and adjust the frequency range to the following: 
Horizontal: 15.6 – 90 kHz
Vertical: 48 – 85 Hz
If using Windows
®
*
If using a Macintosh** system
• If you replaced an old monitor with this TV, reconnect the old 
monitor and do the following. Select 640 x 480 resolution at 60Hz 
for Windows using the Windows device selection screen. 
• When connecting a Macintosh computer, use an adapter (not 
supplied) if necessary. Connect the adapter to the computer before 
connecting the video signal cable.
Flickers, bounces, oscillates, or is 
scrambled
• Using the menu system, select “Adjust Pixel” option in the “Screen 
Control” menu and adjust “Dot phase” or “Total H Pixel” 
(page 28).
• Try connecting the TV to a different mains socket, preferably on a 
different circuit.
Problems caused by the connected computer
• Check your graphic board manual for the proper TV setting.
• Confirm that the graphic mode and the frequency of the input 
signal are supported by this TV (page 55). Even if the frequency is 
within the proper range, some graphics boards may have a sync 
pulse that is too narrow for the TV to sync correctly.
• Adjust the computer’s refresh rate (vertical frequency) to obtain 
the best possible picture.
Problem
Possible solution
Personal Computer
Picture is fuzzy.
• Using the menu system, adjust “Brightness” and “Contrast” in the 
“Picture adjustment” menu (page 22).
• Using the menu system, select “Adjust Pixel” option in the “Screen 
Control” menu and adjust “Dot phase” or “Total H Pixel” (page  
28).
Problems caused by the connected computer
• If the resolution is more than the numerical value specified in 
“Technical Specifications” on page 53, the picture is reduced in 
size and the picture quality may be less than the original. This is 
not a malfunction. 
Picture is ghosting.
• Eliminate the use of video cable extensions and /or video switch 
boxes.
• Check that all plugs are firmly seated in their sockets.
continued...
 20 
MRX1
RM-Y1012
Picture is not centred or sized properly.
• Using the menu system, select the “PC Adjustment” option in the 
“Features” menu and adjust “V Size” (page 28).
• Using the menu system, select the “PC Adjustment” option in the 
“Features” menu, then select the "Centering" option and adjust “H 
Shift” or “V Shift” (page 28). Note that some graphic modes do not 
fill the screen to the edges.
Picture is too small.
Problems caused by the connected computer
• Set the resolution of the connected computer to the same as the TV.
Wavy or elliptical pattern (moire) is visible. • Using the menu system, select the “PC Adjustment” option in the 
“Features” menu and adjust “Dot phase” or “Total H 
Pixel”(page 28).
Colour is not uniform.
• Using the menu system, select the “PC Adjustment” option in the 
“Features” menu and adjust “Dot phase” or “Total H 
Pixel”(page 28).
The TV turns off after a while.
Problems caused by the connected computer
• Set the computer’s power saving setting to off.
* Windows® is a registered trademark of Microsoft corporation in the United States and other countries.
**Macintosh is a trademark licensed to Apple Computer, Inc., registered in the U.S.A. and other countries.
Problem
Possible solution
 • If you continue to experience problems, have your TV serviced by qualified personnel.
 
• Never open the casing yourself.
Problem
Possible solution
Cannot insert the “Memory Stick” into the 
“Memory Stick” slot.
Images from the “Memory Stick” can not 
be displayed or you can view the image but 
some features are not available and an 
error message appears on the TV screen.
• The “Memory Stick” is not facing in the correct direction. Insert 
the “Memory Stick” with the 
b mark facing up into the “Memory 
Stick” slot (page 38).
• This is not a malfunction of the TV. This is because you are using a 
non-Sony brand “Memory Stick” media. 
Cannot delete a file or all materials.
• The write-protect switch on the “Memory Stick” is set to LOCK. 
Release the lock.
• The image file is protected. Release the protection (pages 42-44).
The image is not displayed
• The image file is not DCF-compatible or MPEG - compatible.
 "Memory Stick"
IMPRESO EN ESPA
ÑA  Dep. Leg. B-0000-2003  BEN
GAR - Granollers
http://www.sony.net
Sony España, S.A.
Printed in Spain
Page of 127
Display

Click on the first or last page to see other KE-P42MRX1 / KE-P50MRX1 service manuals if exist.