Sony KP-41S5 / KP-41S5B / KP-41S5G / KP-41S5K / KP-41S5R / KP-41S5U Service Manual ▷ View online
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– 14 –
Troubleshooting
Here are some simple solutions to some problems which may affect the picture and sound.
Problem
Solution
No picture (screen is dark), no sound
• Plug in the TV in.
• Press
• Press
U
on the TV (if
u
indicator is on, press
;
or a programme number
on the Remote Commander).
• Check the aerial connection.
• Check if the selected video source is on.
• Turn the TV off for 3 or 4 seconds then turn it on again using
• Check if the selected video source is on.
• Turn the TV off for 3 or 4 seconds then turn it on again using
U
.
Poor or no picture (screen is dark), but good sound
• Press
Í
to enter the PICTURE CONTROL menu and adjust the brightness,
contrast and colour.
The menu and picture disappear
• Press MENU on the Remote Commander or on the front panel of the TV set.
(if contrast and brightness are minimum)
Good picture but no sound
• Press
Á
+.
• Check if “ Center in ” is selected on the SOUND CONTROL menu.
• If
• If
¤
is displayed on the screen, press
¤
.
No colour for colour programmes
• Press
Í
to enter the PICTURE CONTROL menu, select RESET, then press
the joystick to confirm.
Remote Commander does not function
• The batteries are weak.
If you continue to have problems, have your TV serviced by qualified personnel. Never open the casing yourself.
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KP-41S5/41S5B/41S5G/
41S5K/41S5R/41S5U
RM-862
SECTION 2
DISASSEMBLY
2-1. REAR BOARD REMOVAL
2
Rear board
1
Thirteen screws
(Hexagon head)
(Hexagon head)
3
Purse lock
2-2. MAIN BRACKET SECTION REMOVAL
2
Two screws
(+ BVTP 4X16)
(+ BVTP 4X16)
1
Optical sheld
3
Main bracket section
Main bracket section
2-3. SERVICE POSITION
2-4. G BOARD REMOVAL
1
Three Printed circuit
board holders
board holders
2
G Board
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KP-41S5/41S5B/41S5G/
41S5K/41S5R/41S5U
RM-862
2-5. AE BOARD AND UE BOARD REMOVAL
9
AE board
1
Five screws
(+ BVTP 4X16)
(+ BVTP 4X16)
3
Two screws
(+ BVTP 3X12)
(+ BVTP 3X12)
2
Screw
(+ BVTP 4X16)
(+ BVTP 4X16)
7
Two claws
8
UE board
6
Bracket (A)
4
Terminal board (Euro)
5
claw
2-6. H1 BOARD, H2 BOARD AND RESISTOR (HIGHT VOLTAGE) REMOVAL
2
Five screws
(Hexagon head)
(Hexagon head)
4
Two screws
(+ BVTP 4X16)
(+ BVTP 4X16)
!™
Screw (+ BVTP 4X16)
6
Two screw (+ BVTP 4X16)
8
Screw
(+ BVTP 3X12)
(+ BVTP 3X12)
!º
Screw (+ BVTP 3X12)
9
H1 board
!¡
H2 board
7
Bracket (H)
5
Control panel assembly
1
Speaker grille
3
Front board
!£
Resistor (Hight voltage)
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