Sony KV-BT21M80 (serv.man3) Service Manual ▷ View online
24
Additional Information
Sony KV-BT21M81 Group A7 (
GB,
FR, PR, AR)_4-096-628-13 (1)
Possible cause
Symptom
Solutions
Page
continued
Abnormal color
patches
patches
“100” appears at
the top of the
screen and there is
no Teletext display.
(KV-BT21M81 only)
the top of the
screen and there is
no Teletext display.
(KV-BT21M81 only)
Teletext display is
incomplete (snowy
picture or double
images).
(KV-BT21M81 only)
incomplete (snowy
picture or double
images).
(KV-BT21M81 only)
The 1 (standby)
indicator on
your TV flashes
red several
times after
every three
seconds.
indicator on
your TV flashes
red several
times after
every three
seconds.
TV cabinet
creaks.
creaks.
A small “boom”
sound is heard
when the TV is
turned on.
sound is heard
when the TV is
turned on.
• The magnetic
disturbance from
external speakers or
other equipment, or the
direction of the earth’s
magnetic field may
affect the TV.
external speakers or
other equipment, or the
direction of the earth’s
magnetic field may
affect the TV.
• The channel carries no
Teletext broadcast.
• Connection is loose or
the cable is damaged.
• The antenna setup is
inappropriate.
• Signal transmission
is too low.
• Your TV’s self-
diagnosis function
indicates the possible
problems.
indicates the possible
problems.
• Changes in room
temperature sometimes
make the TV cabinet
expand or contract,
causing a noise. This
does not indicate a
malfunction.
make the TV cabinet
expand or contract,
causing a noise. This
does not indicate a
malfunction.
• The TV’s demagnetizing
function is working.
This does not indicate a
malfunction.
This does not indicate a
malfunction.
• Keep external speakers or other
equipment away from the TV. Do not
move the TV while the TV is turned on.
Press ! (main power) on the TV to turn
off the TV for about 15 minutes, then turn
it on again to demagnetize the TV.
move the TV while the TV is turned on.
Press ! (main power) on the TV to turn
off the TV for about 15 minutes, then turn
it on again to demagnetize the TV.
—
• Check the antenna cable and connection
on the TV, VCR, and at the wall.
• Check the antenna setup. Contact a Sony
dealer for advice.
• Try using a booster.
• Use the fine tuning (“Fine”) function.
• Count the number of times the 1
(standby) indicator flashes. Press !
(main power) to turn off your TV.
Contact your nearest Sony service center.
(main power) to turn off your TV.
Contact your nearest Sony service center.
—
—
–
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21
–
–
19
–
–
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25
Additional Information
Sony KV-BT21M81 Group A7 (
GB,
FR, PR, AR)_4-096-628-13 (1)
Sony Corporation
Power requirements
Power consumption (W)
Television system
Color system
Teletext language
Channel coverage
B/G
I
D/K
M
8
(Antenna)
Audio output (Speaker)
Number of terminal
(Video)
(Audio)
i
(Headphone)
(Earphone)
Picture tube
Tube size (cm)
Screen size (cm)
Dimensions (w/h/d, mm)
Mass (kg)
x
Specifications
Design and specifications are subject to change without notice.
Note
110-240 V AC, 50/60 Hz
Indicated on the rear of the TV
B/G, I, D/K, M
PAL, PAL 60, SECAM, NTSC3.58, NTSC4.43
English, Farsi (Persian)
KV-BT21M81 only
VHF : E2 to E12
UHF : E21 to E69
CATV : S01 to S03, S1 to S41
UHF : E21 to E69
CATV : S01 to S03, S1 to S41
UHF : B21 to B68
CATV : S01 to S03, S1 to S41
CATV : S01 to S03, S1 to S41
VHF : C1 to C12, R1 to R12
UHF : C13 to C57, R21 to R60
CATV : S01 to S03, S1 to S41, Z1 to Z39
UHF : C13 to C57, R21 to R60
CATV : S01 to S03, S1 to S41, Z1 to Z39
VHF : A2 to A13
UHF : A14 to A79
CATV : A-8 to A-2, A to W+4, W+6 to W+84
UHF : A14 to A79
CATV : A-8 to A-2, A to W+4, W+6 to W+84
75-ohm external terminal
3 W +3 W
3 W
Input: 2
Output: 1
Phono jacks; 1 Vp-p, 75 ohms
Input: 2
Output: 1
Phono jacks; 500 mVrms
Output: 1
Stereo minijack
KV-BT21M81/
BT21M80 only
BT21M80 only
Output: 1
Monaural minijack
KV-BM14M70 only
21 in.
14 in.
54
37
Measured diagonally
51
34
Measured diagonally
497
× 461 × 487
374
× 355 × 420
23
12
KV-BT21M81
KV-BT21M80
KV-BT21M80
KV-BM14M70
Ø
01GB08ADV-MIX.p65
12/19/03, 9:24 AM
25
Black
25
Additional Information
Sony KV-BT21M81 Group A7 (
GB,
FR, PR, AR)_4-096-628-13 (1)
Sony Corporation
Power requirements
Power consumption (W)
Television system
Color system
Teletext language
Channel coverage
B/G
I
D/K
M
8
(Antenna)
Audio output (Speaker)
Number of terminal
(Video)
(Audio)
i
(Headphone)
(Earphone)
Picture tube
Tube size (cm)
Screen size (cm)
Dimensions (w/h/d, mm)
Mass (kg)
x
Specifications
Design and specifications are subject to change without notice.
Note
110-240 V AC, 50/60 Hz
Indicated on the rear of the TV
B/G, I, D/K, M
PAL, PAL 60, SECAM, NTSC3.58, NTSC4.43
English, Farsi (Persian)
KV-BT21M81 only
VHF : E2 to E12
UHF : E21 to E69
CATV : S01 to S03, S1 to S41
UHF : E21 to E69
CATV : S01 to S03, S1 to S41
UHF : B21 to B68
CATV : S01 to S03, S1 to S41
CATV : S01 to S03, S1 to S41
VHF : C1 to C12, R1 to R12
UHF : C13 to C57, R21 to R60
CATV : S01 to S03, S1 to S41, Z1 to Z39
UHF : C13 to C57, R21 to R60
CATV : S01 to S03, S1 to S41, Z1 to Z39
VHF : A2 to A13
UHF : A14 to A79
CATV : A-8 to A-2, A to W+4, W+6 to W+84
UHF : A14 to A79
CATV : A-8 to A-2, A to W+4, W+6 to W+84
75-ohm external terminal
3 W +3 W
3 W
Input: 2
Output: 1
Phono jacks; 1 Vp-p, 75 ohms
Input: 2
Output: 1
Phono jacks; 500 mVrms
Output: 1
Stereo minijack
KV-BT21M81/
BT21M80 only
BT21M80 only
Output: 1
Monaural minijack
KV-BM14M70 only
21 in.
14 in.
54
37
Measured diagonally
51
34
Measured diagonally
497
× 461 × 487
374
× 355 × 420
23
12
KV-BT21M81
KV-BT21M80
KV-BT21M80
KV-BM14M70
Ø
01GB08ADV-MIX.p65
12/19/03, 9:24 AM
25
Black
25
Additional Information
Sony KV-BT21M81 Group A7 (
GB,
FR, PR, AR)_4-096-628-13 (1)
Sony Corporation
Power requirements
Power consumption (W)
Television system
Color system
Teletext language
Channel coverage
B/G
I
D/K
M
8
(Antenna)
Audio output (Speaker)
Number of terminal
(Video)
(Audio)
i
(Headphone)
(Earphone)
Picture tube
Tube size (cm)
Screen size (cm)
Dimensions (w/h/d, mm)
Mass (kg)
x
Specifications
Design and specifications are subject to change without notice.
Note
110-240 V AC, 50/60 Hz
Indicated on the rear of the TV
B/G, I, D/K, M
PAL, PAL 60, SECAM, NTSC3.58, NTSC4.43
English, Farsi (Persian)
KV-BT21M81 only
VHF : E2 to E12
UHF : E21 to E69
CATV : S01 to S03, S1 to S41
UHF : E21 to E69
CATV : S01 to S03, S1 to S41
UHF : B21 to B68
CATV : S01 to S03, S1 to S41
CATV : S01 to S03, S1 to S41
VHF : C1 to C12, R1 to R12
UHF : C13 to C57, R21 to R60
CATV : S01 to S03, S1 to S41, Z1 to Z39
UHF : C13 to C57, R21 to R60
CATV : S01 to S03, S1 to S41, Z1 to Z39
VHF : A2 to A13
UHF : A14 to A79
CATV : A-8 to A-2, A to W+4, W+6 to W+84
UHF : A14 to A79
CATV : A-8 to A-2, A to W+4, W+6 to W+84
75-ohm external terminal
3 W +3 W
3 W
Input: 2
Output: 1
Phono jacks; 1 Vp-p, 75 ohms
Input: 2
Output: 1
Phono jacks; 500 mVrms
Output: 1
Stereo minijack
KV-BT21M81/
BT21M80 only
BT21M80 only
Output: 1
Monaural minijack
KV-BM14M70 only
21 in.
14 in.
54
37
Measured diagonally
51
34
Measured diagonally
497
× 461 × 487
374
× 355 × 420
23
12
KV-BT21M81
KV-BT21M80
KV-BT21M80
KV-BM14M70
Ø
01GB08ADV-MIX.p65
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25
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