DOWNLOAD Sony KV-XF29M50 (serv.man3) Service Manual ↓ Size: 1.75 MB | Pages: 70 in PDF or view online for FREE

Model
KV-XF29M50 (serv.man3)
Pages
70
Size
1.75 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xf29m50-sm3.pdf
Date

Sony KV-XF29M50 (serv.man3) Service Manual ▷ View online

– 25 –
KV
-XF29M50/XF29M65/XF29M81
RM-954
32
Additional Information
Possible cause
Symptom
Solutions
Good picture
No sound
Dotted lines or stripes
Double images or
“ghosts”
No color
Abnormal color patches
TV cannot receive stereo
broadcast signal
(KV-XF29M65 only)
Troubleshooting (continued)
• Press 
¸
 + to increase the volume level.
• Press ¤ to cancel the muting.
• Press A/B 
 until a better sound is
heard. (KV-XF29M65 only)
• Do not use a hair dryer or other
equipment near the TV.
• Adjust the antenna direction for
minimum interference. Contact a Sony
dealer for advice.
• Use a highly directional antenna.
• Use the fine tuning (FINE) function.
(page 28). (KV-XF29M50/XF29M65 only)
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Turn off or disconnect the booster if it is
in use.
• Display the A/V CONTROL menu and
select “ADJUST” of PICTURE MODE,
then adjust the COLOR level. (page 21
and 22)
• Display the CH PRESET menu and
check the color system (COL SYS)
setting (usually set this to AUTO).
(page 29)
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Keep external speakers or other
electrical equipment away from the TV.
Do not move the TV while the TV is
turned on. Press U (main power) on the
TV to turn off the TV for about five
minutes, then turn it on again.
• Press A/B 
 until “AUTO” appears on
the screen.
• The volume level is too
low.
• The sound is muted.
• Broadcast signal has a
transmission problem.
• There is local interference
from cars, neon signs, hair
dryers, power generators,
etc.
• Broadcast signals are
reflected by nearby
mountains or buildings.
• The antenna direction is
inapproprite.
• Use of a booster is
inappropriate.
• The color level setting is
too low.
• The color system setting is
inappropriate.
• The antenna direction is
inapproriate.
• The magnetic disturbance
from external speakers or
other equipment, or the
direction of the earth’s
magnetic field may affect
the TV.
• The stereo reception
setting is inappropriate.
33
Additional Information
Stereo broadcast sound
switches on and off or is
distorted.
or
The sound switches
between monaural and
stereo frequently.
(KV-XF29M65 only)
“100” appears on the top
of the screen and no
Teletext display.
(KV-XF29M65/XF29M81
only)
Teletext display is
incomplete
(picture snowy or double
images).
(KV-XF29M65/XF29M81
only)
Picture slant
Lines moving across the
TV screen.
The 
u
 indicator on your
TV flashes red for about 3
seconds per interval .
TV cabinet creaks.
A “boom” sound is heard
when the TV is turned on.
Possible cause
Symptom
Solutions
• Check the antenna cable and connection
on the TV, VCR and on the wall. (page 4)
• Adjust the antenna direction.Contact a
Sony dealer for advice.
• Press A/B 
 until a better sound is
heard.
• Check the antenna cable and connection
on the TV, VCR and on the wall. (page 4)
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Try using a booster.
• Use the fine tuning (FINE) function.
(page 28)
• Display the SET UP menu and adjust
“PIC ROTATION” so that the picture is
aligned to the TV screen. (page 25)
• Use the fine tuning (FINE) function.
(page 28) (KV-XF29M65/XF29M81 only)
• Contact your nearest Sony service
center.
• Connection is loose or the
cable is damaged.
• The antenna direction is
inappropriate.
• Broadcast signal has a
transmission problem.
• The channel carries no
Teletext broadcast.
• Connection is loose or the
cable is damaged.
• The antenna direction is
inappropriate.
• Signal transmission is too
low.
• The terrestrial magnetism
affects your TV set.
• There is interference from
external sources, e.g.,
heavy machineries, nearby
broadcast station.
• Your TV may need service.
• Changes in room
temperature sometimes
make the TV cabinet
expand or contract, making
a noise. This does not
indicate a malfunction.
• The TV’s demagnetizing
function is working. This
does not indicate a
malfunction.
– 26 –
KV
-XF29M50/XF29M65/XF29M81
RM-954
34
Additional Information
ONE-PUSH  AUTOMATIC  PROGRAMING
PROGR
Identifying parts and controls
Refer to the pages indicated in parentheses ( ) for details.
Front panel
1
U
 (main power) button (9)
2 AUTO PROGR (program) button (5)
3 MENU button (20)
4 PROGR +/– (program) buttons (9)
5
¸
 +/– (volume) buttons (9)
6
 (TV/video) button (10)
7
2
 (headphones) jack
35
Additional Information
Button function
For general TV operations
For Teletext operations
1 ¤ (muting) button (10)
2
(display) button (10)
3 u (power) button (9)
4 … (video) button (10)
5 ; (TV) button (10)
6 Number buttons (9)
7 JUMP button (10)
8 Menu operation buttons (20)
MENU button
+ or – buttons
ENTER button
9 PROGR +/– button (9)
!º A/B button (15)
(KV-XF29M65 only)
!¡ Timer setting buttons (11)
(wake up timer)
(sleep timer)
!™ . (volume) +/– buttons (9)
Remote Control
1
4
7
-/--
2
5
8
0
3
6
9
FAVORITE
SOUND
MODE
PIC MODE
ENTER
MENU
A/B
SURROUND
5
4
3
6
7
8
9
!™
!£ SOUND MODE button (12)
!¢ SURROUND button (14)
!∞ FAVORITE button (13)
!§ PIC MODE button (12)
!¶ Teletext operation buttons (17, 18)
(KV-XF29M65/XF29M81 only)
 (text)
 (enlarge)
 (reveal)
 (hold)
 (index)
 (text clear)
p
 (FASTEXT: red, green, yellow, blue)
1
4
7
-/--
2
5
8
0
3
6
9
FAVORITE
SOUND
MODE
PIC MODE
ENTER
MENU
A/B
SURROUND
!∞
Names/symbols of buttons on the
remote are indicated in different
colors to represent the available
functions.
Label color
White
Green
– 27 –
KV
-XF29M50/XF29M65/XF29M81
RM-954
SECTION 2
DISASSEMBLY
2-4. CHASSIS ASSY REMOVAL
2-3. SPEAKER REMOVAL
2-1. 3D SPEAKER BOX REMOVAL (KV-XF29M65 only)
1
 Four screws (Washer head)
 
 (+P 4 
× 
16)
2
 Bracket, speaker
1
 Chassis assy
2-2. REAR COVER REMOVAL
1
 3D Speaker box assy
Red wire
Black wire
1
 Eight screws
     (+BVTP 4 
× 
16)
1
 Three screws
     (+BVTP 4 
× 
16)
1
 One screw
     (+BVTP 4 
× 
16)
2
 Rear cover
– 28 –
KV
-XF29M50/XF29M65/XF29M81
RM-954
2-7-2. REPLACEMENT OF LIGHT GUIDE
2-6. SERVICE POSITION
(Note: Remove F Bracket first.)
2-7. REPLACEMENT OF PARTS
For replacement of the Control Button and Light Guide, unscrew them, exchange
with the new parts, and fix them with screws (+BVTP) respectively.
2-7-1. REPLACEMENT OF CONTROL BUTTON
Control button
Two screws
(+BVTP 3 
× 
12)
One screw
(+BVTP 3 
× 
12)
2-5. F BRACKET REMOVAL
4
 Two screws
     (+BVTP 3 
× 
12)
5
 F bracket
2
 Two claws
1
 Three connectors
3
 F board
6
 Two screws
     (+BVTP 3 
× 
12)
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