DOWNLOAD Sony KV-PG21M70 Service Manual ↓ Size: 3.21 MB | Pages: 47 in PDF or view online for FREE

Model
KV-PG21M70
Pages
47
Size
3.21 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-pg21m70.pdf
Date

Sony KV-PG21M70 Service Manual ▷ View online

– 9 –
KV-PG21P40/PG21M70/PG21P70
RM-952
Number
buttons
SELECT
PROGR +/–
+ or –
PIC MODE
TV
1
2
3
4
6
7
8
9
-
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
2
J
Presetting channels
You can automatically preset up to 100 TV channels in numerical sequence
from program number 1, or manually preset desired channels and channels
that cannot be preset automatically.
Presetting channels automatically
from a specified program number
 1
Press SELECT until “AUTO PROGRAM” appears
on the screen.
 2
Press + or – once to enter the “AUTO
PROGRAM” mode.
The on-screen display will start flashing.
3
Press PROGR +/– or the number buttons until
the desired program number appears on the
screen.
4
Press + or – to start presetting channels
automatically.
Presetting channels manually
1
Press SELECT until “MANUAL PROGRAM”
appears on the screen.
 2
Press + or – once to enter the “MANUAL
PROGRAM” mode.
 3
Press PROGR +/– or the number buttons until
the desired program number appears on the
screen.
 4
Press + or – until the desired channel picture
appears on the screen.
 5
To preset other channels manually, repeat steps
3 to 4.
Presetting channels (continued)
To change the TV system setting (KV-PG21M70/PG14M40/TG21M61 only)
If the picture or sound is abnormal when receiving programs through the 8 (antenna)
terminal
(1) Press SELECT until “TV SYS” appears on the screen.
(2) Press + or – to select the appropriate TV system until the picture or sound quality
is optimal.
B/G  
  I  
  D/K  
  M
To change the color system setting
If the color is abnormal when receiving programs through the 8 (antenna) terminal
or the t (video input) terminal
(1) Press SELECT until “COLOR SYS” appears on the screen.
(2) Press + or – to select the appropriate color system until the color is optimal.
AUTO  
  PAL  
  SECAM  
  NTSC3.58  
  NTSC4.43
Note
• The color system “SECAM” is available for KV-PG21M70/PG14M40/TG21M61 only.
To skip program numbers
(1) Press PROGR +/– or the number buttons until the unused or unwanted program
number appears on the screen.
(2) Press SELECT until “MANUAL PROGRAM” appears on the screen.
(3) Press + or – once to enter the “MANUAL PROGRAM” mode.
(4) Press PIC MODE to skip the unused or unwanted program number.
(5) Press SELECT to exit the “MANUAL PROGRAM” mode.
Note
• To restore the skipped program number again, preset the channel automatically or manually.
To use the fine tuning function
The fine tuning (FINE) function may help to reduce the following problems:
incomplete Teletext display (KV-TG21M61 only), double images and lines moving
across the TV screen.
You can use the fine tuning function as below:
(1) Select the program number you want to adjust.
(2) Press SELECT until “MANUAL PROGRAM” appears on the screen.
(3) Press + or – once to enter the “MANUAL PROGRAM” mode.
(4) Press   to display “FINE” on the screen.
(5) Press + or – continuously until the above problems are minimized.
The + or – icon on the screen flashes while tuning.
(6) Press SELECT to exit the “MANUAL PROGRAM” mode.
K
Customizing the picture and sound
You can customize the picture and sound by selecting the picture and sound
modes or by adjusting its settings.
Selecting the picture mode
  Press PIC MODE to select the desired picture mode.
Select
To
“DYNAMIC”
view high contrast pictures.
“STANDARD”
view normal contrast pictures.
“SOFT”
view mild pictures.
Selecting the sound mode
B
 KV-TG21M61 only
  Press SOUND MODE to select the desired sound
  mode.
Select
To
“9 DYNAMIC”
listen to dynamic and clear
sound that emphasizes the low
and high sound.
“9 DRAMA”
listen to sound that emphasizes
vocals and background music.
“9 SOFT”
listen to soft sound.
Adjusting the picture and sound settings
1
Press SELECT until the desired setting appears.
Each time you press SELECT, the setting item will change as follows:
2
Press + or – to adjust the item.
3
To adjust other items, repeat steps 1 to 2.
Notes
• “BASS”, “TREBLE” and “BALANCE” can be adjusted for KV-TG21M61 only.
• “HUE” can be adjusted for the NTSC color system only.
• Reducing “SHARP” can also reduce picture noise.
SOUND
MODE
PIC MODE
SELECT
+ or –
PICTURE
COLOR
BRIGHT
HUE
BALANCE
TREBLE
BASS
SHARP
TV
1
2
3
4
6
7
8
9
-
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
2
L
Adjusting the picture position
B
 KV-PG21M70/PG21P70/PG21P40/TG21M61 only
If the picture is slanting, you can adjust the picture position using the
“PIC ROTATION” function until it is optimal.
1
Press SELECT repeatedly until “PIC ROTATION”
appears on the screen.
2
Press + or – to adjust the picture position.
The 
+
 or 
 icon  on the screen flashes while
adjusting.
Note
• To reduce the slanting picture, keep external speakers or other electrical equipment away
from the TV.
+ or –
SELECT
Slanting                             Optimal
 
FAVORITE
Good morning!
Good morning!
– 10 –
KV-PG21P40/PG21M70/PG21P70
RM-952
TV
1
2
3
4
6
7
8
9
-
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
2
MAIN
(Main sound)
SUB
(Sub sound)
t
t
A/B
NICAM
(Stereo sound)
MONO
(Regular sound)
t
t
NICAM MAIN
(Main sound)
NICAM SUB
(Sub sound)
MONO
(Regular sound)
t
t
t
NICAM MAIN
(Main sound)
MONO
(Regular sound)
t
t
MONO
(Regular sound)
STEREO
(Stereo sound)
t
t
M
Enjoying stereo or bilingual
programs
KV-TG21M61 only
You can enjoy stereo sound or bilingual programs of NICAM and A2 stereo
systems by using the A/B button.
Notes
• If the stereo sound is noisy when receiving a stereo program, select “MONO”.  The sound
becomes monaural, but the noise is reduced.
• If the sound is distorted when receiving a monaural program through the 8 (antenna)
terminal, press A/B repeatedly until “MONO” appears on the screen.  To cancel the monaural
sound setting, press A/B again until “AUTO” appears on the screen.
When receiving a NICAM program
Broadcasting
On-screen display (Selected sound)
NICAM
stereo
NICAM
bilingual
NICAM
monaural
When receiving an A2 program
Broadcasting
On-screen display (Selected sound)
A2
stereo
A2
bilingual
N
Viewing Teletext
KV-TG21M61 only
Some TV stations broadcast an information service called Teletext which
allows you to receive various information, such as stock market reports and
news.
You can use the buttons on the remote to view Teletext.
To
Do this
display a Teletext
Press 
.  Each time you press 
, the
page on the
screen changes as follows:
TV picture
Teletext t  Teletext and TV t  TV.
If there is no Teletext broadcast, “100” is
displayed at the top left corner of the
screen.
check the contents
Press  .
of a Teletext service
An overview of the Teletext contents,
including page numbers, appears on the
screen.
select a Teletext page Press the number buttons to enter the
three-digit page number of the desired
Teletext page.  If you make a mistake,
reenter the correct page number.  To
access the next or previous page, press
PROGR +/–.
hold (pause) a
Press 
 to display the symbol “z” at
Teletext display
the top left corner of the screen.  To
resume normal Teletext viewing, press
 or 
.
reveal concealed
Press 
.
information  (e.g.,
To conceal the information, press the
an answer to a quiz)
button again.
enlarge the Teletext
Press 
.  Each time you press 
, the
display
Teletext display changes as follows:
Enlarge upper half t Enlarge lower half
t Normal size.
stand by for a Teletext 1 Enter the Teletext page number that
page while watching
you want to refer to, then press 
.
a TV program
2 When the page number is displayed,
press 
 to show the text.
select a FASTEXT
Press 
x
  (red, green, yellow and blue)
menu or the colored
that corresponds to the desired menu or
boxes
page number.
turn off Teletext
Press a.
Note
• The FASTEXT feature can be used only when the FASTEXT broadcast is available.
TV
1
2
3
4
6
7
8
9
-
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
2
(red,
green,
yellow,
blue)
a
– 11 –
KV
-PG21P40/PG21M70/PG21P70
RM-952
2-6. REPLACEMENT OF PARTS
For replacements of light guide,unscrew them,
exchange with new parts and fix them with
screws respectively.
2-6-2. Replacement of Power Button
2-6-1. Replacement of Light Guide
One screw
(+BVTP 3 
× 12)
1
Push to direction of arrow 
and remove
2-5. TERMINAL  BRACKET REMOVAL
SECTION 2
DISASSEMBLY
2-1. REAR COVER REMOVAL
2-2. SPEAKER REMOVAL
2-3. CHASSIS ASSY REMOVAL
1 Seven screws
(+BVTP 4 
× 16)
1 Rear Cover
1 Four screws 
washer head
(BVTP 3 
× 12)     
Speaker
Push claw
2-4. SERVICE POSITION
Caution:
 Do not take out CRT support block while TV set in
standing position.
Note:
 Undress necessary wires that creates tension while
placing the chassis into Service Position.
1 One screw
(+BVTP 4 
× 16)
2 Terminal Bracket
 
 12 
KV
-PG21P40/PG21M70/PG21P70
RM-952
2-7. PICTURE TUBE REMOVAL
Note:
Please make sure the TV set is not in standing position before removing necessary
CRT support located on bottom right and left.
!™
 
8
Demagnetic coil
4 Four screws 
(washer head)
(BVTP 3 
× 12)
Two screws
(Tapping 5+
Crown Washer)
3 Speaker
(5 
× 9cm)
6 Tension
spring
7
Chassis assy
5 Deflection
yoke
2
CV board
1
Anode cap
Coating earth assy
!∞
Picture tube
!¢ Cushion
9 Two screws
(Tapping 5 +
Crown Washer) 
Holder DGC
Cushion (50x550) DGC
  Cushion (35x250) DGC
A Board
CRT Support Block
Slim Beznet
CRT Support Block
Screw Location
REMOVAL OF ANODE-CAP
NOTE : After removing the anode, short circuit the anode of the picture tube and
the anode cap to the metal chassis, CRT shield or carbon paint on the
CRT.
REMOVING PROCEDURES
Turn up one side of the rubber cap in the direction indicated by the arrow a.
Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow b.
When one side of the rubber cap is separated from the anode button,  the anode-cap
can be removed by turning up the rubber cap and pulling it up in the direction of the
arrow 
c.
• HOW TO HANDLE AN ANODE-CAP
Do not damage the surface of anode-caps with sharp shaped objects.
Do not press the rubber too hard so as not to damage the inside of anode-cap.
A metal fitting called the shatter-hook terminal is built into the rubber.
Do not turn the foot of rubber over too hard.
The shatter-hook terminal will stick out or damage the rubber.
a
a
b
b
Anode button
c
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