Sony KV-PG14N70 (serv.man2) Service Manual ▷ View online
– 5 –
KV-PG14N70
RM-915
2. DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT
3. STOPPING THE STANDBY/TIMER FLASH
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY/TIMER
lamp from flashing.
lamp from flashing.
4. SELF-DIAGNOSTIC SCREEN DISPLAY
For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be con-
firmed, it is possible to bring up past occurances of failure for confirmation on the screen:
firmed, it is possible to bring up past occurances of failure for confirmation on the screen:
[To Bring Up Screen Test]
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
[Screen display] / channel [5] / Sound volume [-] / Power ON
˘
Note that this differs from entering the service mode (mode volume [+]).
Self-Diagnosis screen display
STANDBY/SLEEP lamp
Lamp ON 0.3 sec.
Lamp OFF 3 sec.
Lamp OFF 0.3 sec.
2 times
4 times
Diagnostic Item
Flash Count*
+B overcurrent/overvoltage
2 times
Vertical deflection stopped
4 times
* One flash count is not used for self-diagnostic.
002 : 000
004 : 000
004 : 000
Numeral "0" means that no fault has been detected.
101 : 000
SELF DIAGNOSTIC
– 6 –
KV-PG14N70
RM-915
5. HANDLING OF SELF-DIAGNOSTIC SCREEN DISPLAY
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic
screen during repairs. When you have completed the repairs, clear the result display to “0”.
screen during repairs. When you have completed the repairs, clear the result display to “0”.
Unless the result display is cleared to “0”, the self-diagnostic function will not be able to detect subsequent faults after
completion of the repairs.
completion of the repairs.
[Clearing the result display]
To clear the result display to “0”, press buttons on the remote commander sequentially as shown below when the
diagnostic screen is being displayed.
To clear the result display to “0”, press buttons on the remote commander sequentially as shown below when the
diagnostic screen is being displayed.
Channel [8]
/ 0
[Quitting Self-diagnostic screen]
To quit the entire self-diagnostic screen, turn off the power switch on the remote commander or the main unit.
To quit the entire self-diagnostic screen, turn off the power switch on the remote commander or the main unit.
6. SELF-DIAGNOSTIC CIRCUIT
[+B overcurrent ªOCPº]
Occurs when an overcurrent on the +B(135) line is detected by Q500. If Q500 go to
ON and the voltage to pin 50 of IC301 more than 3.5V when V.SYNC is more than
seven verticals in a period, the unit will automatically turn off.
ON and the voltage to pin 50 of IC301 more than 3.5V when V.SYNC is more than
seven verticals in a period, the unit will automatically turn off.
[Vertical deflection stopped]
Occurs when an absence of the vertical deflection pulse is detected by Pin 17 and
IC001 shut down the power supply.
IC001 shut down the power supply.
[White balance failure]
If the RGB levels* do not balance or become low level within 5 seconds, this error
will be detected by IC301. TV will stay on, but there will be no picture.
will be detected by IC301. TV will stay on, but there will be no picture.
* (Refers to the RGB levels of the AKB detection Ref pulse that detects IK.)
IC301
Y/CHROMA JUNGLE
IC001
SYSTEM
IC003
MEMORY
MP/
PROTECT
PROTECT
II-DAT1
DAT
II-DATO
5
50
54
SDA
8
FROM
[+B] Q500
[+B] Q500
17
[V]
D553
D553
53
– 7 –
KV-PG14N70
RM-915
A
Getting Started
Plug in the power cord, then press ! on the TV to
turn it on.
turn it on.
Press CABLE on the remote to select “CABLE: ON”,
then press AUTO PROGRAM on the remote to preset
the channels automatically. (See J)
then press AUTO PROGRAM on the remote to preset
the channels automatically. (See J)
Tip
• To stop the automatic channel presetting, press SELECT.
• To stop the automatic channel presetting, press SELECT.
Press SELECT on the remote until “LANGUAGE/
: ENGLISH” appears on the screen, then press
+ or – to change the on-screen display language.
Connect the antenna cable (not supplied) to 8
(antenna input) at the rear of the TV.
(antenna input) at the rear of the TV.
Tip
• You can also connect your TV to other optional components.
• You can also connect your TV to other optional components.
(See E)
Step 1
Insert the batteries (supplied) into the remote.
Note
• Do not use old batteries nor use different types of batteries
• Do not use old batteries nor use different types of batteries
together.
Step 2
Step 3
Step 4
Step 5
b
!
CABLE
AUTO
PROGRAM
b
SELECT
B
WARNING
• Dangerously high voltages are present inside the TV.
• TV operating voltage: 110 – 240 V AC.
• Do not plug in the power cord until you have completed making all other connections;
• TV operating voltage: 110 – 240 V AC.
• Do not plug in the power cord until you have completed making all other connections;
otherwise a minimum leakage current might flow through the antenna and other terminals to
ground.
ground.
• To avoid battery leakage and damage to the remote, remove the batteries from the remote if
you are not going to use it for several days. If any liquid that leaks from the batteries touches
you, immediately wash it away with water.
you, immediately wash it away with water.
To prevent fire or shock hazard, do not expose
the TV to rain or moisture.
the TV to rain or moisture.
Do not operate the TV if any liquid or solid object
falls into it. Have it checked immediately by
qualified personnel only.
falls into it. Have it checked immediately by
qualified personnel only.
Do not open the cabinet and the rear cover of the
TV as high voltages and other hazards are
present inside the TV. Refer servicing and
disposal of the TV to qualified personnel.
TV as high voltages and other hazards are
present inside the TV. Refer servicing and
disposal of the TV to qualified personnel.
Your TV is recommended for home use only.
Do not use the TV in any vehicle or where it may
be subject to excessive dust, heat, moisture or
vibrations.
Do not use the TV in any vehicle or where it may
be subject to excessive dust, heat, moisture or
vibrations.
For children’s safety, do not leave children alone
with the TV. Do not allow children to climb onto
it.
with the TV. Do not allow children to climb onto
it.
Clean the TV with a dry and soft cloth. Do not use
benzine, thinner, or any other chemicals to clean
the TV. Do not scratch the picture tube.
benzine, thinner, or any other chemicals to clean
the TV. Do not scratch the picture tube.
For your own safety, do not touch any part of the
TV, the power cord and the antenna cable during
lightning storms.
TV, the power cord and the antenna cable during
lightning storms.
Do not block the ventilation openings of the TV.
Do not install the TV in a confined space, such as
a bookcase or built-in cabinet.
Do not install the TV in a confined space, such as
a bookcase or built-in cabinet.
!
CHANNEL
VOLUME
SELECT
AUDIO
VIDEO INPUT
VIDEO
TV/
VIDEO
STANDBY/
WAKE UP
MONITOR
OUT
VIDEO
IN
AUDIO VIDEO
6
1
3
7
2
5
8
4
9
qa
0
qs
D
TV front and rear panels
TV front panel
TV rear panel
Button
Function
1
!
Turn off or turn on the TV.
2
Remote control sensor.
3
STANDBY
Standby indicator.
3
WAKE UP
Wake Up indicator.
4
CHANNEL +/–
Select channel number.
5
VOLUME +/– *
Adjust volume.
6
TV/VIDEO
Select TV or video input.
7
SELECT
Select the desired item.
8
Earphone terminal.
9
VIDEO INPUT
Video input terminal.
0
8
Antenna input terminal.
qa
VIDEO IN
Video input terminal.
qs
MONITOR OUT
Monitor output terminal.
* You can also use the VOLUME +/– buttons on the TV to work as the +/– buttons on the
remote.
Do not place any objects on the TV.
C
Securing the TV
B
KV-PG21 only
To prevent the TV from falling, use the supplied screws, clamps and band to secure the TV.
Screw the band to the TV stand and to the
provided hole at the rear of your TV.
provided hole at the rear of your TV.
(1) Put a cord or chain through the
clamps.
(2) Screw one clamp to a wall or pillar
and the other clamp to the provided
hole at the rear of your TV.
hole at the rear of your TV.
Note
• Use only the supplied screws. Use of other screws may damage the TV.
• Use only the supplied screws. Use of other screws may damage the TV.
20 mm
3.8 mm
screws
clamps
band
or
Do not plug in too many appliances to the same
power socket. Do not damage the power cord.
power socket. Do not damage the power cord.
Pull the power cord out by the plug. Do not pull
the power cord itself. Even if your TV is turned
off, it is still connected to the AC power source
(mains) as long as the power cord is plugged in.
Unplug the TV before moving it or if you are not
going to use it for several days.
the power cord itself. Even if your TV is turned
off, it is still connected to the AC power source
(mains) as long as the power cord is plugged in.
Unplug the TV before moving it or if you are not
going to use it for several days.
WARNING (continued)
Install the TV on a stable TV stand and floor
which can support the TV set weight. Ensure that
the TV stand surface is flat and its area is larger
than the bottom area of the TV.
which can support the TV set weight. Ensure that
the TV stand surface is flat and its area is larger
than the bottom area of the TV.
SECTION 1 GENERAL
The operating instruction mentioned here are partial abstracts
from the Operating Instruction Manual. The page numbers of
the Operating Instruction Manual remain as in the manual.
from the Operating Instruction Manual. The page numbers of
the Operating Instruction Manual remain as in the manual.
– 8 –
KV-PG14N70
RM-915
E
Connecting optional components
Connecting to the video input terminal
TV front panel
Camcorder
Audio/Video cable
(not supplied)
Note
• Do not connect video equipment to VIDEO INPUT at the front and VIDEO IN at the rear of
• Do not connect video equipment to VIDEO INPUT at the front and VIDEO IN at the rear of
your TV at the same time; otherwise the picture will not be displayed properly on the screen.
TV rear panel
Audio/Video cable
(not supplied)
Connecting to the monitor output terminal
AUDIO
VIDEO INPUT
MONITOR
OUT
VIDEO
IN
VIDEO
AUDIO VIDEO
VCR
Video game
equipment
MONITOR
OUT
VIDEO
IN
AUDIO VIDEO
VCR
Audio system
Audio/Video cable
(not supplied)
TV rear panel
Antenna cable
(not supplied)
F
Troubleshooting
If you find any problem while viewing your TV, please check the following
guide. If any problem persists, contact your Sony dealer.
guide. If any problem persists, contact your Sony dealer.
Snowy picture,
noisy sound
No picture, no sound
Good picture, no sound
Dotted lines or stripes
Double images or
“ghosts”
No color
Abnormal color
patches
The STANDBY
indicator on your TV
flashes red several
times after every
three seconds.
TV cabinet creaks.
A "boom" sound is
heard when the TV is
turned on.
Symptom
Solutions
• Check the antenna cable and connection on the TV, VCR and on the wall.
• Preset the channel manually again. (See J)
• Check the antenna setup. Contact a Sony dealer for advice.
• Preset the channel manually again. (See J)
• Check the antenna setup. Contact a Sony dealer for advice.
• Check the power cord, antenna and the VCR connections.
• Press POWER or ! (main power) to turn on the TV.
• Press POWER or ! (main power) to turn on the TV.
• Press VOL + to increase the volume level.
• Press MUTING to cancel the muting.
• Press MUTING to cancel the muting.
• Do not use a hair dryer or other equipment near the TV.
• Check the antenna setup. Contact a Sony dealer for advice
• Check the antenna setup. Contact a Sony dealer for advice
• Turn off or disconnect the booster if it is in use.
• Check the antenna setup. Contact a Sony dealer for advice.
• Select the appropriate color system. (See J)
• Adjust the color level. (See K)
• Check the antenna setup. Contact a Sony dealer for advice.
• Check the antenna setup. Contact a Sony dealer for advice.
• Select the appropriate color system. (See J)
• Adjust the color level. (See K)
• Check the antenna setup. Contact a Sony dealer for advice.
• Keep external speakers or other electrical equipment away from the TV.
Press ! (main power) to turn off the TV for about 15 minutes, then turn
it on again to demagnetize the TV.
it on again to demagnetize the TV.
• Count the number of times the STANDBY indicator flashes. Press !
(main power) to turn off your TV. Contact your nearest Sony service
center.
center.
• 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.
H
Remote control
Button
Function
1
POWER
Turn off temporarily or
turn on the TV.
turn on the TV.
2
TV
Display the TV program.
3
ENT
Confirm input number
4
CH +/–
Select channel number.
5
VOL
+/–
Adjust volume.
6
SELECT
Select the desired items.
7
+/–
Adjust items.
8
PIC MODE
Select picture mode.
9
ADD/ERASE
Preset channels manually.
0
AUTO PROGRAM Preset channels
automatically.
qa
MUTING
Mute the sound.
qs
DISPLAY
Display on-screen
information.
information.
qf
VIDEO
Select TV or video input.
qg
0 – 9
Input numbers.
qh
JUMP
Jump to previous
channel number.
channel number.
Timer operations
ql
WAKE UP
Set TV to turn on
automatically.
automatically.
w;
SLEEP
Set TV to turn off
automatically.
automatically.
wa
CABLE
Select the cable TV.
qd
MTS
Not function for your TV.
qj
SOUND MODE
Not function for your TV.
qk
FAVORITE
Not function for your TV.
See
–
–
–
–
–
–
–
–
K
J
J
J
J
–
–
–
–
–
I
I
–
–
–
–
TV
1
2
3
4
6
7
8
9
0
5
ENT
FAVORITE
WAKE UP
SLEEP
JUMP
CABLE
DISPLAY
MUTING
POWER
MTS
VOL
CH
VIDEO
SOUND
MODE
AUTO
PROGRAM
ADD/
ERASE
TV
qa
qs
qd
qf
qf
qg
qj
qh
qk
ql
w;
wa
9
0
7
6
5
4
3
2
1
8
I Setting the timers
You can turn on and off your TV by using the WAKE UP and SLEEP buttons
respectively.
respectively.
Setting the Wake Up timer
1
Press WAKE UP until the desired period of time
appears on the screen.
appears on the screen.
The Wake Up timer starts immediately after you
have set it.
have set it.
2
Select the program number or video input you
want to wake up to.
want to wake up to.
3
Press POWER, or set the Sleep timer if you want
the TV to turn off automatically.
the TV to turn off automatically.
The WAKE UP indicator on the TV lights up
orange when the TV goes into standby mode.
orange when the TV goes into standby mode.
Setting the Sleep timer
Press SLEEP until the desired period of time
appears on the screen.
appears on the screen.
The Sleep timer starts immediately after you have
set it.
set it.
Notes
• You can also cancel the Wake Up and Sleep timers by turning off the TV’s main power.
• If no buttons or controls are pressed for more than two hours after the TV is turned on using
• You can also cancel the Wake Up and Sleep timers by turning off the TV’s main power.
• If no buttons or controls are pressed for more than two hours after the TV is turned on using
the Wake Up timer, the TV automatically goes into standby mode.
TV
1
2
3
4
6
7
8
9
0
5
ENT
FAVORITE
WAKE UP
SLEEP
JUMP
CABLE
DISPLAY
MUTING
POWER
MTS
VOL
CH
VIDEO
SOUND
MODE
AUTO
PROGRAM
ADD/
ERASE
TV
WAKE UP TIMER:0H10M
WAKE UP TIMER:OFF
WAKE UP TIMER:12H00M
(After 10 minutes)
(No Wake Up timer)
(After 12 hours)
SLEEP TIMER:30M
SLEEP TIMER:60M
SLEEP TIMER:OFF
SLEEP TIMER:90M
(After 30 minutes)
(No Sleep timer)
(After 60 minutes)
(After 90 minutes)
POWER
WAKE UP
SLEEP
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