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KF-50SX300 KF-50SX300K KF-50SX300U KF-60SX300 KF-60SX300K KF-60SX300U
Pages
88
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41.93 MB
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Document
Service Manual
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Device
TV
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kf-50sx300-kf-50sx300k-kf-50sx300u-kf-60sx300-kf-6.pdf
Date

Sony KF-50SX300 / KF-50SX300K / KF-50SX300U / KF-60SX300 / KF-60SX300K / KF-60SX300U Service Manual ▷ View online

- 5 -
KF-50/60SX300
RM-906
Connected
Not Connected (open)    * at 20Hz - 20kHz
Pin No
1
2
4
Signal
Signal level
1
Audio output B
(right)
Standard level : 0.5V rms
Output impedence : Less than 1kohm*
2
Audio input B
(right)
Standard level : 0.5V rms
Output impedence : More than 10kohm*
3
Audio output A
(left)
Standard level : 0.5V rms
Output impedence : Less than 1kohm*
4
Ground (audio)
5
Ground (blue)
6
Audio input A
(left)
Standard level : 0.5V rms
Output impedence : More than 10kohm*
7
Blue input
0.7 +/- 3dB, 75 ohms positive
8
Function select
(AV control)
High state (9.5-12V) : Part mode 
Low state (0-2V) : TV mode
Input impedence : More than 10K ohms
Input capacitance : Less than 2nF
9
Ground (green)
10
Open
11
Green
Green signal : 0.7 +/- 3dB, 75 ohms, 
positive
12
Open
13
Ground (red)
14
Ground (blanking)
15
_
_
Red input
0.7 +/- 3dB, 75 ohms, positive
_
(S signal Chroma 
input)
0.3 +/- 3dB, 75 ohms, positive
16
Blanking input
(Ys signal)
High state (1-3V) Low state (0-0.4V)
Input impedence : 75 ohms
17
Ground (video 
output)
18
Ground (video 
input)
19
Video output
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
20
_
_
Video input
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
_
Video input
Y (S signal)
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
21
Common ground
(plug, shield)
21 pin connector
19
17
15
13
11
9
7
5
3
1
20
18
16
14
12
10
8
6
4
2
21
Rear Connection Panel
Front Connection Panel
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- 6 -
KF-50/60SX300
RM-906
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SECTION 1  SELF DIAGNOSIS FUNCTION
Table 1
How to enter into Table 2
1.
Turn on the main power switch of the TV set.
2.
Program Remote Commander for Operation in Service
Mode. [See Page 27].
3.
Press ‘VIDEO’ ‘VIDEO’  > ‘MENU’ on the Remote
Commander.
4.
Using the Remote Commander, Scroll to the  ‘Error Menu’
item using the down arrow key, then press the right arrow
key.
5.
The following table will be displayed indicating the error
count.
Table 2
Note: To clear the error count data press ‘80’ on the Remote
            commander.
Flash Timing Example : e.g. error number 3
StBy LED
ON
ON
ON
OFF
OFF
 LE-4A Self Diagnostic Software
The identification of errors within the LE-4A chassis is triggered in one of two ways :- 1: Busy or 2: Device failure to respond to IIC. In the
event of one of these situations arising the software will first try to release the bus if busy (Failure to do so will report with a continuous
flashing LED) and then communicate with each device in turn to establish if a device is faulty. If a device is found to be faulty the relevant
device number will be displayed through the LED (Series of flashes which must be counted) See table 1, non fatal errors are reported using this
method. Each time the software detects an error it is stored within the NVM. See Table 2.
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2
– 7 –
KF-50/60SX300
RM-906
The operating instructions mentioned here are partial abstracts 
from the Operating Instruction Manual.  The page numbers of 
the Operating Instruction Manual remain as in the manual.
SECTION 2
 
GENERAL
Checking the Accessories supplied
Inserting Batteries into the Remote Control
Make sure you insert the supplied batteries using the correct polarities.
Always remember to dispose of used batteries in an environmental friendly way.
1 Remote control (RM-906)
2 Batteries (AAA size)
2 Brackets
1 Hexagon key
2 Screws
1 Cleaning cloth
 1 PC input cable
Overview of Remote Control Buttons
1
 
TV I/
: To Temporarily Switch Off TV (standby mode):
 
Press this button to temporarily switch off TV (the standby indicator
on the TV 
lights up). Press again to switch on TV from standby mode. 
• To save energy we recommend switching off completely when TV is not in 
use.
• After 15 minutes without TV signal and without any button being pressed, 
the TV switches automatically into standby mode.
2
 
 
VCR or DVD on/off: 
press this button to switch your VCR or DVD on or off. 
3
Selecting input source:
 press this button repeatedly until the desired input symbol 
of the source appears on the TV screen. Refer to page 25.
4
Selecting broadcast channels:
 if Media Selector (w; is switched to TV, press 
these buttons to select channels. For double-digit programme numbers, enter the 
second digit within 2.5 seconds.
5
 Selecting VCR double-digit:
 if Media Selector (w;) is switched to VCR, press this 
button to select double-digit channels for Sony's VCR e.g. 23, press -/-- first and next 
the buttons 2 and 3.
6
 a) Recording button:
 
If Media Selector (w;) is switched to VCR, press this button to record programmes.
b) Resetting to factory set levels:
Press, for a minimum of 3 seconds, to return the picture and sound settings to the 
factory default levels. This will also return the set to the install condition and the 
“Auto Tuning” menu will appear on the screen. If this is the case refer to the 
section “Switching on the TV set and automatically Tuning” (page 11, step 5) of 
this manual.
7
Watching last channel selected:
 if Media Selector (w;) is switched to TV, press 
this button to return to the previous channel you were watching (provided you 
watched it for at least 5 seconds).
8
Freezing a teletext page:
 in teletext mode, press this button to freeze a teletext 
page. Press it again to cancel the freeze.
9
 
a) Displaying a channel index:
 if Media Selector 
(w;) is switched to TV and MENU is switched off, 
press OK to display a channel overview. If you 
want to select a channel, press 
v
 or
 
V
 next press 
again the OK button to watch the selected channel.
b) Navigator:
 if Media Selector (w;
) is switched to 
TV and MENU (qs) is switched on, use these 
buttons to navigate through the menu system of the 
TV. Refer to page 12.
q;
Selecting the screen format:
 press this button 
repeatedly to change the format of the screen. Refer 
to page 16.
qa
 
Selecting broadcast channels:
 
press these 
buttons to select the next or previous broadcast 
channel.
qs
 
Menu system:
 press this button to enter the TV 
menu system. Refer to page 12.
qd
 
Adjusting volume:
 press these buttons to increase 
or decrease the audio volume.
qf
 
Selecting picture mode:
 press this button 
repeatedly to change the picture mode. For details on 
the different picture modes. Refer to page 13.
qg
 
Selecting the sound effect:
 Press this button 
repeatedly to change the sound effect. For details on 
different sound effects. Refer to page 14.
qh
Fastext:
 In Teletext mode, these buttons can be 
used as Fastext buttons. For details see page 22.
qj
NexTView:
 press this button to display NexTView. 
For details. Refer to page 23.
qk
 
 
Teletext:
 press this button to switch on  Teletext. For 
details see page 22.
ql
 Operating VCR or DVD:
 if Media Selector (w;) is 
switched to VCR or DVD, these buttons will operate 
the main functions of your VCR or DVD, once the 
remote control has been programmed. Refer to page 
26.
w;
Media Selector: 
press this button to select which 
device you want to operate, TV, VCR or DVD. A 
green light will be momentarily lit to show which one 
you have selected. For details refer to page 26.
wa
Displaying Info: 
press this button to display all on-
screen indication such as channel number, etc. Press 
again to cancel.
ws
Selecting TV mode:
 press this button to switch off 
PAP, Teletext or Video input mode.
wd
 
PAP (Picture And Picture):
 press this button to 
divide the screen into two for watching two channels 
simultaneously. Refer to page 21.
wf
Muting the sound:
 press this button to mute the 
TV sound. Press again to restore the sound.
1
qd
qs
q;
2
3
4
5
6
7
8
9
qf
qg
wa
w;
qk
ql
qj
qa
qh
ws
wd
wf
 8 
KF-50/60SX300
RM-906
Overview of Remote Control Buttons
1
 
TV I/
: To Temporarily Switch Off TV (standby mode):
 
Press this button to temporarily switch off TV (the standby indicator
on the TV 
lights up). Press again to switch on TV from standby mode. 
• To save energy we recommend switching off completely when TV is not in 
use.
• After 15 minutes without TV signal and without any button being pressed, 
the TV switches automatically into standby mode.
2
 
 
VCR or DVD on/off: 
press this button to switch your VCR or DVD on or off. 
3
Selecting input source:
 press this button repeatedly until the desired input symbol 
of the source appears on the TV screen. Refer to page 25.
4
Selecting broadcast channels:
 if Media Selector (w; is switched to TV, press 
these buttons to select channels. For double-digit programme numbers, enter the 
second digit within 2.5 seconds.
5
 Selecting VCR double-digit:
 if Media Selector (w;) is switched to VCR, press this 
button to select double-digit channels for Sony's VCR e.g. 23, press -/-- first and next 
the buttons 2 and 3.
6
 a) Recording button:
 
If Media Selector (w;) is switched to VCR, press this button to record programmes.
b) Resetting to factory set levels:
Press, for a minimum of 3 seconds, to return the picture and sound settings to the 
factory default levels. This will also return the set to the install condition and the 
“Auto Tuning” menu will appear on the screen. If this is the case refer to the 
section “Switching on the TV set and automatically Tuning” (page 11, step 5) of 
this manual.
7
Watching last channel selected:
 if Media Selector (w;) is switched to TV, press 
this button to return to the previous channel you were watching (provided you 
watched it for at least 5 seconds).
8
Freezing a teletext page:
 in teletext mode, press this button to freeze a teletext 
page. Press it again to cancel the freeze.
9
 
a) Displaying a channel index:
 if Media Selector 
(w;) is switched to TV and MENU is switched off, 
press OK to display a channel overview. If you 
want to select a channel, press 
v
 or
 
V
 next press 
again the OK button to watch the selected channel.
b) Navigator:
 if Media Selector (w;
) is switched to 
TV and MENU (qs) is switched on, use these 
buttons to navigate through the menu system of the 
TV. Refer to page 12.
q;
Selecting the screen format:
 press this button 
repeatedly to change the format of the screen. Refer 
to page 16.
qa
 
Selecting broadcast channels:
 
press these 
buttons to select the next or previous broadcast 
channel.
qs
 
Menu system:
 press this button to enter the TV 
menu system. Refer to page 12.
qd
 
Adjusting volume:
 press these buttons to increase 
or decrease the audio volume.
qf
 
Selecting picture mode:
 press this button 
repeatedly to change the picture mode. For details on 
the different picture modes. Refer to page 13.
qg
 
Selecting the sound effect:
 Press this button 
repeatedly to change the sound effect. For details on 
different sound effects. Refer to page 14.
qh
Fastext:
 In Teletext mode, these buttons can be 
used as Fastext buttons. For details see page 22.
qj
NexTView:
 press this button to display NexTView. 
For details. Refer to page 23.
qk
 
 
Teletext:
 press this button to switch on  Teletext. For 
details see page 22.
ql
 Operating VCR or DVD:
 if Media Selector (w;) is 
switched to VCR or DVD, these buttons will operate 
the main functions of your VCR or DVD, once the 
remote control has been programmed. Refer to page 
26.
w;
Media Selector: 
press this button to select which 
device you want to operate, TV, VCR or DVD. A 
green light will be momentarily lit to show which one 
you have selected. For details refer to page 26.
wa
Displaying Info: 
press this button to display all on-
screen indication such as channel number, etc. Press 
again to cancel.
ws
Selecting TV mode:
 press this button to switch off 
PAP, Teletext or Video input mode.
wd
 
PAP (Picture And Picture):
 press this button to 
divide the screen into two for watching two channels 
simultaneously. Refer to page 21.
wf
Muting the sound:
 press this button to mute the 
TV sound. Press again to restore the sound.
1
qd
qs
q;
2
3
4
5
6
7
8
9
qf
qg
wa
w;
qk
ql
qj
qa
qh
ws
wd
wf
Connecting the Aerial and VCR
• Connecting cables are not supplied.
• For more details of VCR connections as well as other connections, please refer to page 24.
The Scart lead is optional. If you use this optional connection it can improve picture and sound quality when 
using a VCR.
If you do not use a Scart lead, you will need to manually tune the VCR to a spare channel once the autotune 
procedure has been completed. Refer to “Manual Programme Preset” on page 20. Also refer to your VCR 
instruction manual to find out how to find the output channel of your VCR.
Stabilizing the TV set
          
After setting up, secure the TV set to a wall, etc., using the supplied brackets and screws, for safety purposes.
1
Mount the two supplied brackets with the screws provided to the upper rear side of the TV set.
2
Pass a strong cord or a chain through each bracket, and then secure to a wall or a pillar, etc.
Do not block or cover this ventilation opening. For 
ventilation, leave a space of at least 10 cm from the 
wall.
or
OUT
IN
VCR
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