Sony Fe1 Owners Manual

11
18
TroubleshootingAdditional Information
Here are some simple solutions to problems which may affect the picture and sound.
Problem Solution
No picture (screen is dark), • Plug the TV in.
no sound • Press the 
  button on the front of TV.
• If the 
 indicator 
is on press 
/ button
or a programme number 
button on the
remote control.
• Check the aerial connection.
• Check that the selected video source is
on.
• Turn the TV off for 3 or 4 seconds and
then turn it on again using the  button
on the front...

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KV-29X5
SECTION 2
DISASSEMBLY
 
  2   Rear Cover
  1   5 Screws BTV 4x16
2-1. REAR COVER REMOVAL 
 2-2. CHASSIS ASSY REMOVAL 

13
KV-29X5
2-4. H1 BOARD REMOVAL  2-5. S1 BOARD REMOVAL 
2-3.  SERVICE POSITION
To release, push the claws in the direction
of the arrow as indicated.
 Release the clip indicated. 

14
KV-29X5
Anode button
a
*   REMOVING  PROCEDURES.
Turn up one side of the rubber cap in
the direction indicated by the arrow  a 12    Using a thumb pull up the rubber cap
      firmly in the direction indicated by the
      arrow  b3    When one side of the rubber cap is
      separated from the anode button, the
      anode-cap can be removed by turning
      up the rubber cap and pulling it up in
      the direction of the arrow   c
bbc
Note : Short circuit the anode of the picture tube and the anode...

15
KV-29X5
Ta b Catch
Catch
Catch
CatchCatch
Ta b
Ta b
Ta b
Ta b
Refitting Gate
GateGate
Gate
Gate Gate
Gate Gate
REMOVAL AND REPLACEMENT OF THE MAIN-BRACKET
BOTTOM PLATES.(1) REMOVING THE PLATESIn the event of servicing being required to the solder side of the A Board printed
wiring board, the bottom plates fitted to the main chassis bracket require to be
removed.
This is performed by cutting the gates with a sharp wire cutter at the locations
shown and indicated by arrows.
Note :There are 2 plates...

16
• When complete readjustment is necessary or a new 
picture tube is installed, carry out the following 
adjustments.
• Unless there are specific instructions to the contrary,
carry out these adjustments with the rated power supply.
• Unless there are specific instructions to the contrary, set the 
controls and switches to the following settings :
Contrast ............... 80% [or remote control normal]
Brightness ............... 50%Carry out the following adjustments in this order :
3-1. Beam Landing...

17
KV-29X5
Centre dot
R
G
B
H.STATV.STAT MagnetR
G
B
RV702RV701C Board
SCREEN
3-2. CONVERGENCE
Preparation:
• Before starting this adjustment, adjust the focus, horizontal
size and vertical size.
• Minimize the Brightness setting.
• Input a dot pattern from the pattern generator.
(1) Horizontal and vertical static convergence
1. [Moving horizontally], adjust the H.STAT control so that the
Red, Green and Blue points are on top of each other at the
centre of the screen.
2. [Moving vertically], adjust the...

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KV-29X5
BMC (Hexapole) V. S TAT
Purity
RG B R G B R G B
RG B R
GB
RG
B
G B
R RG BRG
B R G B R
G
B
R GB
RG
B R G
B
RG
B
RGB
R G BR
G
B
(2) Operation of the BMC (Hexapole) magnet.
• The respective dot position resulting from moving each 
magnet interact, so be sure to perform adjustment whilst
tracking.
Use the H.STAT VR to adjust the Red, Green and Blue dots
so that they coincide at the centre of the screen
[by moving the dots in the horizontal direction].
(3) Dynamic convergence adjustment....

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KV-29X5
a-d: screen-corner
convergence defect
a
b
cd
c
a
d
b
Fit the permalloy assembly to the rear 
of the CRT to correct the area at fault.
Permalloy
FOCUS
(4) Screen corner convergence.
• If you are unable to adjust the corner convergence properly, 
this can be corrected by the use of permalloy assemblies.3-3. Screen [G2], White balance
G2 Setting
1. Input a dot signal from the pattern generator.
2. Set the Picture, Brightness and Colour to minimum.
3. Apply 170Vdc from an external power supply to...

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KV-29X5
SECTION 4
CIRCUIT ADJUSTMENTS
(ON SCREEN
   DISPLAY)
5
(DIGIT 5)
+
(VOLUME +)
(TV)
i+
4-1. ELECTRICAL ADJUSTMENTS
Service adjustments to this model can be performed
using the supplied Remote Commander RM-883.
HOW TO ENTER INTO SERVICE MODE
1. Turn on the main power switch and enter into the stand-by 
mode.
2. Press the following sequence of buttons on the Remote 
Commander.
• ‘TT--’ will appear in the upper right corner of the
screen.
Other status information will also be displayed.
3. Press...