DOWNLOAD Sony KV-HF21M50 Service Manual ↓ Size: 2.42 MB | Pages: 63 in PDF or view online for FREE

Model
KV-HF21M50
Pages
63
Size
2.42 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-hf21m50.pdf
Date

Sony KV-HF21M50 Service Manual ▷ View online

– 21 –
KV
-HF21M50/XF21M80
RM-952
23
Additional Information
Self-diagnosis
function (For KVHF21M50)
Your TV is equipped with a self-diagnosis function. If there is a
problem with your TV, the u indicator flashes red. The number of
times the u indicator flashes indicates the possible causes.
1
Check that the u indicator flashes red a number of times between 3-second
intervals.
2
Count the number of times the u indicator flashes.
3
Press U (main power) to turn off your TV.
4
Inform your nearest Sony service center about the number of times the
u
 indicator flashes.
Be sure to note the model name and serial number located on the rear of
your TV.
Front of TV
u
 indicator
ONE-PUSH  AUTOMATIC  PROGRAMING
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 this models)
!¢ Timer setting buttons (13)
(wake up timer)
(sleep timer)
!∞ FAVORITE button (16)
!§ SOUND MODE button (14)
!¶ Teletext operation buttons
(not used for this 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
– 22 –
KV
-HF21M50/XF21M80
RM-952
SECTION 2
DISASSEMBLY
2-2. CHASSIS ASSY REMOVAL
1
 Chassis assy
Lever
Lever
2-1. REAR COVER REMOVAL
1
 Eight screws
     (+BVTP 4 
× 
16)
1
 Two screws
     (+BVTP 4 
× 
16)
2
 Rear cover
2-3. F BRACKET REMOVAL
1
 Three connectors
2
 F board
Lever
One screw
(+BVTP 4x16)
2-4. SERVICE POSITION
(Note: Remove F Bracket first.)
– 23 –
KV
-HF21M50/XF21M80
RM-952
2-5-2. REPLACEMENT OF LIGHT GUIDE
For replacement of light guide (KV-XF21M80), cut the welded portions from it,
exchange with new parts, fix it with screw (+BVTP)
2-5. REPLACEMENT OF PARTS
For replacement of the Multi Button (KV-XF21M80), 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)
Multi button
Cut 
For replacement of the Multi Button (KV-HF21M50), unscrew it to exchange with new
parts, and fix it with screws (+BVTP).
Multi button
Two screws
(+BVTP 3 
× 
12)
Light guide
One screw
(+BVTP 3 
× 
12)
Light guide
Cut
(XF21M80)
(HF21M50)
(XF21M80)
(HF21M50)
Light guide
For replacement of Light Guide (KV-HF21M50), pull it out to exchange with the new
part.
– 24 –
KV
-HF21M50/XF21M80
RM-952
2-8. PICTURE TUBE  REMOVAL
2
 A board
4
 C3 (KV-HF21M50)
/C5 board (KV-XF21M80)
7
 Neck assy
5
 Deflection yoke
Cushion
6
 Four screws
     (Tapping screws)
1
 Anode cap
3
 F board
2-6. TERMINAL BRACKET REMOVAL
A board
One screw
(+BVTP 4x16)
Terminal board bracket
2-7. DEGAUSS COIL REMOVAL
1
 Demagnetization coil
2
 Tension spring
Picture tube
Page of 63
Display

Click on the first or last page to see other KV-HF21M50 service manuals if exist.