DOWNLOAD Sony KV-HF51P50 Service Manual ↓ Size: 1.93 MB | Pages: 97 in PDF or view online for FREE

Model
KV-HF51P50
Pages
97
Size
1.93 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-hf51p50.pdf
Date

Sony KV-HF51P50 Service Manual ▷ View online

– 33 –
KV
-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65
RM-952
RM-952
RM-952
RM-915
RM-952
26
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 better sound is
heard.
––
• Check the antenna cable and connection
on the TV, VCR, and at 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 11)
• Press SELECT until “PIC ROTATION”
appears on the screen, then press + or –
to align the picture to the TV screen.
(page 13)
• Use the fine tuning (FINE) function.
(page 11)
• Contact your nearest Sony service
center. (page 23)
Stereo broadcast sound
switches on and off or is
distorted.
or
The sound switches
between monaural and
stereo frequently.
(KV-XF51M65 only)
“100” appears on the top
of the screen and there is
no Teletext display.
(KV-XF51M65 only)
Teletext display is
incomplete
(snowy picture or double
images).
(KV-XF51M65 only)
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.
• 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.
25
Additional Information
Identifying parts and controls
Refer to the pages indicated in parentheses ( ) for details.
Front panel
1
U
 (main power) button (12)
2 PROGR +/– (program) buttons (12)
3
¸
 +/– (volume) buttons (12)
4
 (TV/video) button (13)
5 AUTO PROGR (program) button (5)
6 SELECT button (10)
7
2
 (headphone) jack
ONE-PUSH  AUTOMATIC  PROGRAMING
ONE-PUSH  AUTOMATIC  PROGRAMMING
2
– 34 –
KV
-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65
RM-952
RM-952
RM-952
RM-915
RM-952
26
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
1 u (power) button (12)
2 ; (TV) button (13)
3 Number buttons (12)
4 JUMP button (13)
5 PROGR +/– buttons (12)
6 SELECT button (10)
7 PIC MODE button (15)
8 +/– buttons (10)
9
(display) button (13)
!º ¤ (muting) button (13)
!¡ … (video) button (13)
!™ . +/– (volume) buttons (12)
!£ A/B button
(KV-XF51M65 only)
!¢ Timer setting buttons (14)
(wake up timer)
(sleep timer)
!∞ FAVORITE button (17)
!§ SOUND MODE button (15)
!¶ Teletext operation buttons
(KV-XF51M65 only )
 (text)
 (enlarge)
 (reveal)
 (hold)
 (index)
 (text clear)
p
 (FASTEXT: red, green, yellow, blue)
1
2
3
4
5
6
7
8
Names/symbols of buttons on the
remote are indicated in different colors
to represent the available functions.
Label color
White
Green
Button function
For general TV operations
For Teletext operations
– 46 –
KV
-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65
RM-952
RM-952
RM-952
RM-915
RM-952
SECTION 2
DISASSEMBLY
2-3. CHASSIS ASSY REMOVAL
1
 Chassis assy
Lever
Lever
2-2. REAR COVER REMOVAL
3
 Eight screws
     (+BVTP 4 
× 
16)
1
 Two screws
     (+BVTP 4 
× 
16)
2
 Rear cover
2-4. F BRACKET REMOVAL
1
 Three connectors
2
 F board
Lever
2-1. 3D SPEAKER BOX REMOVAL (KV-XF21M83/XF51M65 only)
1
 3D Speaker box assy
Red wire
Black wire
1
 Chassis assy
Lever
Lever
(XF21/XF51)
(HF51)
– 47 –
KV
-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65
RM-952
RM-952
RM-952
RM-915
RM-952
2-6. REPLACEMENT OF PARTS
2-6-1. REPLACEMENT OF MULTI BUTTON
For replacement of the Multi Button (XF21/XF51), cut the welded portions from it
exchange with the new part, and fix it with screws (+BVTP).
2-6-2.
REPLACEMENT OF LIGHT GUIDE
For replacement of the Light Guide (XF21/XF51), cut the welded portions from it,
exchange with the new part, and fix it with screw (+BVTP).
Multi button
Two screws
(+BVTP 3 
× 
12)
Light guide
One screw
(+BVTP 3 
× 
12)
Multi button
Cut 
Light guide
Cut
2-5. SERVICE POSITION
(Note: Remove F Bracket first.)
(XF21/XF51)
(HF51)
(XF21/XF51)
Multi button
Two screws
(+BVTP 3 
× 
12)
(HF51)
Light guide
(HF51)
(XF21/XF51)
For replacement of the Multi Button (HF51), unscrew it to exchange with the new
part, and fix it with screws (+BVTP).
For replacement of the Light Guide (HF51), pull it out to exchange with the new
part.
Page of 97
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