DOWNLOAD Sony KV-PF14P40 (serv.man2) Service Manual ↓ Size: 3.1 MB | Pages: 56 in PDF or view online for FREE

Model
KV-PF14P40 (serv.man2)
Pages
56
Size
3.1 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-pf14p40-sm2.pdf
Date

Sony KV-PF14P40 (serv.man2) Service Manual ▷ View online

 17 
KV
-PF14P40/PF14Q40
RM-952
20
Additional Information
Troubleshooting (continued)
Possible cause
Symptom
Solutions
Good picture
No sound
Dotted lines or stripes
Double images or
“ghosts”
N
o
 color
Abnormal color patches
• Press ¸ + to increase the volume level.
• Press ¤ to cancel the muting.
• Press A/B 
 until a good sound is
heard. (page 16) (KV-PF14P40 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 10)
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Turn off or disconnect the booster if it is
in use.
• Press SELECT until “COLOR” appears
on the screen, then press + or – to adjust
the color level. (page 15)
• Press SELECT until “COL SYS ” appears
on the screen, then check the color
system setting (usually set this to
“AUTO”). (page 9).
• 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.
• 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
inappropriate.
• Use of a booster is
inappropriate.
• The color level setting is
too low.
• The color system setting is
inappropriate.
• The antenna direction is
inappropriate.
• The magnetic disturbance
from external speakers or
other equipment, or the
direction of the earth’s
magnetic field may affect
the TV.
21
Additional Information
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.
Possible cause
Symptom
Solutions
• Use the fine tuning (FINE) function.
(page 10)
• Contact your nearest Sony service
center. (page 18)
• 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.
 18 
KV
-PF14P40/PF14Q40
RM-952
22
Additional Information
Identifying parts and controls
Refer to the pages indicated in parentheses ( ) for details.
Front panel
1
U
 (main power) button (5)
2 PROGR +/– (program) buttons (11)
3
¸
 +/– (volume) buttons (11)
4
 (TV/video) button (12)
5 AUTO PROGR (program) button (5)
6 SELECT button (9)
7
A
 (earphone) jack
2
23
Additional Information
Remote Control
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 + or – buttons (9)
9
(display) button (12)
!º ¤ (muting) button (12)
!¡ … (TV/video) button (12)
!™
 +/– (volume) buttons (11)
!£ A/B button (16) (KV-PF14P40 only)
!¢ Timer setting buttons (13)
(wake up timer)
(sleep timer)
!∞ FAVORITE button
(not used for this models)
!§ 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
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
1
2
3
4
5
6
7
8
9
0
!™
!∞
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
– 19 –
KV
-PF14P40/PF14Q40
RM-952
SECTION 2
DISASSEMBLY
2-2. CHASSIS ASSY REMOVAL
1
 Chassis assy
Lever
Lever
2-1. REAR COVER REMOVAL
Six screws
(BVTP 4
×
16)
Two screw
(BVTP 4
×
16)
1
2
2-3. F BRACKET REMOVAL
1
 Three connector
2
 F board
Lever
2-4. SERVICE POSITION
(Note: Remove F Bracket first.)
 20 
KV
-PF14P40/PF14Q40
RM-952
2-6. TERMINAL BRACKET REMOVAL
A board
Screw
Terminal board bracket
2-7. DEGAUSS COIL REMOVAL
1 Demagnetization coil
2
Tension spring
Picture tube
2-5. REPLACEMENT OF PARTS
For replacement of the Multi Button and Bar Optical, unscrew to exchange with the
new parts, and fix them with screws (+BVTP) respectively.
2-5-1.
REPLACEMENT OF MULTI BUTTON
Multi button
Two screws
2-5-2.
REPLACEMENT OF BAR OPTICAL
Bar optical
One screw
(BVTP 3
×
12)
Page of 56
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