DOWNLOAD Sony KV-XF21M80 (serv.man3) Service Manual ↓ Size: 881.72 KB | Pages: 46 in PDF or view online for FREE

Model
KV-XF21M80 (serv.man3)
Pages
46
Size
881.72 KB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xf21m80-sm3.pdf
Date

Sony KV-XF21M80 (serv.man3) Service Manual ▷ View online

– 17 –
KV
-XF21M80/XF21M8J
RM-952
21
Additional Information
Possible cause
Symptom
Solutions
Picture slant
Lines moving across the
TV screen.
The 
u
 indicator on your
TV flashes red a number
of times between
3-second intervals.
TV cabinet creaks.
A “boom” sound is heard
when the TV is turned on.
• Press SELECT until “PIC ROTATION”
appears on the screen, then press + or –
to align the picture to the TV screen.
(page 12)
• Use the fine tuning (FINE) function.
(page 10)
• Contact your nearest Sony service
center.
• 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.
22
Additional Information
Identifying parts and controls
Refer to the pages indicated in parentheses ( ) for details.
Front panel
1
U
 (main power) button (11)
2 PROGR +/– (program) buttons (11)
3
¸
 +/– (volume) buttons (11)
4
 (TV/video) button (12)
5 AUTO PROGR (program) button (5)
6 SELECT button (10)
7
2
 (headphone) jack
ONE-PUSH  AUTOMATIC  PROGRAMING
ONE-PUSH  AUTOMATIC  PROGRAMMING
2
– 18 –
KV
-XF21M80/XF21M8J
RM-952
23
Additional Information
Remote Control
9
!™
!∞
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
SELECT 
p
PIC MODE 
p
Á
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
SELECT 
p
PIC MODE 
p
Á
Button function
For general TV operations
For Teletext operations
1 u (power) button (11)
2 ; (TV) button (12)
3 Number buttons (11)
4 JUMP button (12)
5 PROGR +/– buttons (11)
6 SELECT button (9)
7 PIC MODE button (14)
8 +/– buttons (9)
9
(display) button (12)
!º ¤ (muting) button (12)
!¡ … (video) button (12)
!™ . +/– (volume) buttons (11)
!£ A/B button
(not used for these models)
!¢ Timer setting buttons (13)
(wake up timer)
(sleep timer)
!∞ FAVORITE button (16)
!§ SOUND MODE button (14)
!¶ Teletext operation buttons
(not used for these models)
 (text)
 (enlarge)
 (reveal)
 (hold)
 (index)
 (text clear)
p
 (FASTEXT: red, green, yellow, blue)
Names/symbols of buttons on the
remote are indicated in different
colors to represent the available
functions.
Label color
White
Green
1
2
3
4
5
6
7
8
– 19 –
KV
-XF21M80/XF21M8J
RM-952
SECTION 2
DISASSEMBLY
2-2. CHASSIS ASSY REMOVAL
1
 Chassis assy
Lever
Lever
2-1. REAR COVER REMOVAL
1
 Four screws
     (+BVTP 4 
× 
16)
1
 One screw
     (+BVTP 4 
× 
16)
2
 Rear cover
2-3. F BRACKET REMOVAL
3
 One screw
     (+BVTP 3 
× 
12)
1
 Three connectors
2
 F board
Lever
2-4. SERVICE POSITION
(Note: Remove F Bracket first.)
– 20 –
KV
-XF21M80/XF21M8J
RM-952
2-6. TERMINAL BRACKET REMOVAL
A board
Terminal board bracket
2-5-2. REPLACEMENT OF LIGHT GUIDE
2-5. REPLACEMENT OF PARTS
For replacement of the Multi Button and Light Guide, cut the welded portions from
them, exchange with the new parts, and fix them with screws (+BVTP) respectively.
2-5-1. REPLACEMENT OF MULTI BUTTON
Multi button
Two screws
(+BVTP 3 
× 
12)
Light guide
One screw
(+BVTP 3 
× 
12)
Multi button
Cut 
Light guide
Cut
2-7. DEGAUSS COIL REMOVAL
1
 Demagnetization coil
2
 Tension spring
Picture tube
Page of 46
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