DOWNLOAD Sony KV-XF25M50 Service Manual ↓ Size: 6.09 MB | Pages: 97 in PDF or view online for FREE

Model
KV-XF25M50
Pages
97
Size
6.09 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xf25m50.pdf
Date

Sony KV-XF25M50 Service Manual ▷ View online

 41 
KV
-XF25M50/XF25M63/XF25M67/XF25M97
RM-954
RM-953
31
Additional Information
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 good sound is
heard.
• Display the SET UP menu and adjust
“PIC ROTATION” so that the picture is
aligned to the TV screen. (page 23)
• Contact your nearest Sony service
center.
Stereo broadcast sound
switches on and off or is
distorted.
or
The sound switches
between monaural and
stereo frequently.
(KV-XF25M63/XF29M63
only)
Picture slant
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.
• Connection is loose or the
cable is damaged.
• The antenna direction is
inappropriate.
• Broadcast signal has a
transmission problem.
• The terrestrial magnetism
affects your TV set.
• 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.
32
Additional Information
Identifying parts and controls
Refer to the pages indicated in parentheses ( ) for details.
Front panel
ONE-PUSH  AUTOMATIC  PROGRAMING
PROGR
1
U
 (main power) button (9)
2 AUTO PROGR (program) button (5)
3 MENU button (18)
4 PROGR +/– (program) buttons (9)
5
¸
 +/– (volume) buttons (9)
6
 (TV/video) button (10)
7
2
 (Headphone) jack
 42 
KV
-XF25M50/XF25M63/XF25M67/XF25M97
RM-954
RM-953
33
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 (18)
MENU button
+ or – buttons
ENTER button
9 PROGR +/– button (9)
!º A/B button (15)
(KV-XF25M63/XF29M63
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
(not used for KV-XF25M50/
XF29M50/XF25M63/XF29M63)
 (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
– 43 –
KV
-XF25M50/XF25M63/XF25M67/XF25M97
RM-954
RM-953
SECTION 2
DISASSEMBLY
2-3. CHASSIS ASSY REMOVAL
2-1. 3D SPEAKER BOX REMOVAL (Except KV-XF25M50)
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
2-4. F BRACKET REMOVAL
4
 Two screws
     (+BVTP 3 
× 
12)
5
 F bracket
2
 Two claws
1
 Three connectors
3
 F board
 44 
KV
-XF25M50/XF25M63/XF25M67/XF25M97
RM-954
RM-953
2-6-2. REPLACEMENT OF LIGHT GUIDE
2-5. SERVICE POSITION
(Note: Remove F Bracket first.)
2-6. 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.
2-6-1. REPLACEMENT OF CONTROL BUTTON
Control button
Two screws
(+BVTP 3 
× 
12)
One screw
(+BVTP 3 
× 
12)
2
 Two screws
     (+BVTP 3 
× 
12)
3
 Two screws
     (+BVTP 3 
× 
12)
4
 HV Block
(KV-XF25M67/
XF25M97 only)
PWB holder
2-7. PWB HOLDER REMOVAL
Page of 97
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