6.1 BLOCK DIAGRAM
SECTION 6
DIAGRAMS
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C
6.2 CIRCUIT BOARD LOCATIONS
•When replacing parts shown in the table below, be sure to
perform the related adjustments.
C Board
A Board
6-3.PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
•All capacitors are in µ F unless otherwise noted.
pF: µµF 50 WV or less are not indicated except for
electrolytic and tantalums.
•All electrolytics are 50V unless otherwise specified.
•Indication of resistance, which does not have one for
rating electrical power, is as follows:
Pitch: 5mm
Rating electrical power 1/4W (CHIP: 1/10W)
•All resistors are in ohms.
KΩ = 1000Ω MΩ = 1000KΩ
•
•
•
•
•
•
•All variable and adjustable resistors have characteristic
•The components identified by
•When replacing components identified by
:nonflammable resistor
:fusible resistor
:internal component
:panel designation and adjustment for repair
:earth-ground
:earth-chassis
curve B, unless otherwise noted.
in this manual have been
carefully factory-selected for each set in order to satisfy
regulations regarding X-ray radiation. Should replacement
be required, replace only with the value originally used.
, make the
necessary adjustments indicated. If results do not meet
the specified value, change the component identified
and repeat the adjustment until the specified value
by
is achieved (refer to Safety Related Adjustments on
page 17).
Part Replaced ( )
DY, C511, C574, C575, D572, D573,
D574, R582, R583, R584, R585,
R586, R578, R625, R626, R634,
R635, T504, IC301, IC521, IC602
Adjustment ( )
HV HOLD-DOWN
(R582)
IC001, IC602, R030, R626,
R632, R633, R635, R636, R637,
R638, R639
B+ VOLTAGE
CONFIRMATION
•All voltages are in Volts
•Voltage is DC with respect to ground unless otherwise
noted.
•Readings are taken with a 10MΩ digital multimeter.
•Readings are taken with a color-bar signal input.
•Voltage variations may be noted due to normal production
tolerance.
•Circled numbers are waveform references.
•* :cannot be measured
-----
:B + Line
:B − Line
:Signal path
•
•
•
Reference Information
RESISTOR : RN METAL FILM
: RC SOLID
: FPRD NON FLAMMABLE CARBON
: FUSE NON FLAMMABLE FUSIBLE
: RW NON FLAMMABLE WIREWOUND
: RS NON FLAMMABLE METAL OXIDE
: RB NON FLAMMABLE CEMENT
COIL : LF-8L MICRO INDUCTOR
:
CAPACITOR : TA TANTALUM
: PS STYROL
: PP POLYPROPYLENE
: PT MYLAR
: MPS METALIZED POLYESTER
: MPP METALIZED POLYPROPYLENE
: ALB BIPOLAR
: ALT HIGH TEMPERATURE
: ALR HIGH RIPPLE
ADJUSTMENT RESISTOR
Note:
The components identified by shading and mark
are critical for safety. Replace only with the part
number specified.
The symbol
circuit board) indicates fast operating fuse. Replace
only with fuse of the same rating as marked.
Les composants identifiés per un tramé et une marque
sont critiques pour la sécurité. Ne les remplacer que
par une piéce portant le numéro spécifié.
Le symbole
Doit etre remplacee par une fusible de meme yaleur,
comme marque.
(displayed on component side of the
indique une fusible a action rapide.
855 Block Diagram.p65 3/31/99, 6:44 PM1
— 28 — — 29 — — 30 —— 27 —
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C
A BOARD: IC521 NJM4558M-TE2
[TUNING CONTROL, Y/C/J, POWER SUPPL Y , DEFLECTION, TUNER/IF, AUDIO MTS]
1234567891 01 1
12
A BOARD: IC301 CXA2061S
A BOARD: IC541 TDA8172
A BOARD LOCATION LIST
DIODE
D001 F-9 D520 C-4 D635 A-1 1 Q001 F-9 Q358 G-4
D002 F-10 D541 E-3 D636 C-10 Q002 F-8 Q359 G-8
D003 H-7 D552 C-2 D637 A-11 Q003 E-8 Q380 G-8
D004 H-7 D561 C-2 D638 C-10 Q200 G-3 Q390 F-8
D201 F-2 D562 C-1 D650 H-6 Q201 G-1 Q391 F-6
D202 G-2 D571 C-2 D653 A-5 Q202 E-6 Q392 G-9
D203 H-11 D572 E-2 D670 D-9 Q203 E-9 Q393 F-8
D204 H-11 D573 E-3
D205 D-5 D574 E-3 IC001 G-9 Q206 F-4 Q501 C-5
D206 E-9 D581 E-2 IC002 H-10 Q207 F-5 Q502 B-5
D207 G-2 D601 C-7 IC003 H-9 Q252 G-9 Q556 E-8
D208 E-8 D602 D-8 IC004 F-11 Q300 F-8 Q571 D-2
D209 G-2 D603 B-8 IC200 G-3 Q301 F-7 Q601 D-7
D210 H-2 D609 B-6 IC201 F-4 Q302 F-7 Q602 F-8
D215 E-6 D611 D-6 IC202 G-2 Q303 F-3 Q605 D-6
D280 H-11 D613 C-7 IC301 G-7 Q305 F-8 Q606 E-8
D301 F-2 D614 C-7 IC302 G-5 Q340 F-4 Q607 B-10
D302 F-7 D615 C-7 IC400 E-5 Q350 G-6 Q608 D-8
D310 F-8 D616 B-6 IC401 F-5 Q351 G-6 Q650 G-6
D31 1 F-8 D617 C-6 IC402 I-4 Q352 G-6 Q670 E-9
D320 F-7 D620 B-5 IC521 E-3 Q353 G-6
D403 E-10 D631 C-9 IC541 D-3 Q354 F-7
D434 E-9 D632 B-9 IC601 B-8 Q355 G-7
D501 B-4 D633 B-10 IC602 D-6 Q356 G-7
D502 C-3 D634 A-1 1
IC
TRANSISTOR
Q205 G-6 Q394 G-8
Q357 G-7
A
B
C
D
E
F
G
A Board
855 A PWB page.p65 3/31/99, 7:52 PM 1
— 31 —
— 32 —
H
I
— 33 —
— 34 —
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
IC001 IC002 IC301 IC302
6G N D
IC601
PIN VOLT PIN VOLT PIN VOLT PIN VOLT 7 .8 PIN VOLT
1 .9 1 7.0 1 3.4 1 5.1 8 6.5 1 -55.3
2 4.9 2 GND 2 5.2 2 0 9 GND 2 -57.2
3 .5 3 5.4 3 1.3 3 0 10 6.5 3 94.8
42 . 0 4G N D 45 . 3 45 . 0 1 16 . 5 4- 4 1 . 6
5 0 5G N D 54 . 9 51 . 3 1 2G N D 5- 5 7 . 1
6 .1 6 4.9 6 4.5 6 0
IC402 IC602
7 NC 7 GND 7 2.0 7 5.1 PIN VOLT PIN VOLT
8 NC 8 4.9 8 5.1 8 1.1 1 4.5 1 2.5
9N C
IC003
9 0 9 5 . 1 2G N D 2G N D
10 0 PIN VOLT 10 GND 10 .8 3 4.5 3 10.9
11 .1 1 GND 11 3.8 11 0 4 4.5
All voltages are in V
12 4.9 2 GND 12 2.4 12 2.0 5 4.6
13 0 3 GND 13 3.5 13 2.8 6 4.5
14 4.9 4 GND 14 3.5 14 1.0 7 4.5
15 4.9 5 4.8 15 5.8 15 2.1 8 4.2
16 -.1 6 4.8 16 7.6 16 0 9 4.5
17 -.3 7 GND 17 .7 17 0 10 1.8
18 4.9 8 5.0 18 .8 18 0 11 4.9
19 4.9
IC004
19 3.0 19 0 12 4.9
20 1.8 PIN VOLT 20 2.6 20 0 13 1.6
21 0 1 4.9 21 1.0 21 0 14 4.5
22 2.2 2 4.9 22 1.5 22 5.1 15 4.5
23 0 3 0 23 1.5 23 5.0 16 4.5
24 2.2
IC200
24 1.5 24 0 17 4.5
25 2.3 PIN VOLT 25 .1 25 2.4 18 4.5
26 GND 1 5.9 26 4.4 26 0 19 4.6
27 4.9 2 .2 27 4.4 27 2.5 20 4.6
28 NC 3 6.1 28 4.4 28 5.1 21 9.1
29 NC 4 .2 29 0 29 2.3 22 4.5
30 4.9 5 6.1 30 4.6 30 2.3
IC521
31 4.9 6 9.1 31 4.6
IC400
PIN VOLT
32 0 7 5.3 32 4.6 PIN V OLT 1 12.5
33 4.9 8 GND 33 9.0 1 NC 2 .7
34 2.6
IC201
34 4.9 2 12.6 3 .9
35 0 PIN VOLT 35 4.9 3 2.4 4 GND
36 4.9 1 5.9 36 .1 4 GND 5 8.6
37 4.9 2 .2 37 4.4 5 0.8 6 9.8
38 4.9 3 6.1 38 5.1 6 6.0 7 1.3
39 4.8 4 .2 39 5.1 7 GND 8 12.9
40 0 5 6.1 40 GND 8 6.0
IC541
41 0 6 9.1 41 5.3 9 NC PIN VOLT
42 .1 7 5.3 42 7.2
IC401
12 . 6
43 4.9 8 GND 43 5.5 PIN V OLT 2 12.9
44 .1
IC202
44 9.1 1 .8 3 -11.1
45 4.9 1 6.8 45 5.3 2 NC 4 -12.9
46 4.9 2 6.8 46 4.8 3 2.4 5 0
47 0 3 6.8 47 1.9 4 13.6 6 13.6
4 80 4G N D4 80 52 . 4 72 . 4
49 0 5 6.8
50 0 6 6.8
51 0 7 6.8
52 0 8 13.6
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C
A BOARD SCHEMATIC DIAGRAM
1234567891 01 11 21 31 41 5
A
B
C
D
16 17 18 19
20
A BOARD WAVEFORMS
1 2 3
253.1mV p-p (H) 3.5V p-p (8 MHz) 1.5V p-p (H)
5
2.0V p-p (H)
6
1.1V p-p (V)
9 10 11 12
1.4V p-p (V)
5.7V p-p (H)
13 14
2.8V p-p (H)
3.2V p-p (H)
17 18
7 8
1.8V p-p (H)
4.4V p-p (V)
15
1.5V p-p (H) 1.1V p-p (H)
19
4
4.2V p-p (V)
1.4V p-p (V)
3.1V p-p (H)
16
20
E
F
G
H
855 A Schematic.p65 3/31/99, 6:52 PM 1
I
J
K
L
M
N
O
— 35 —
1.4V p-p (H)
2.6V p-p (H)
90V p-p (H)
21 22 23 24
1.05kV p-p (H) 28.0V p-p (V)
52.8V p-p (V)
25 26
6.1V p-p (V)
A BOARD IC VOLTAGE LIST
110.6V p-p (H)
A BOARD TRANSISTOR
VOLTAGE LIST
Q001 4.9 0.7 4.8
Q002 .4 0 .9
Q003 .4 0 .9
Q200 .7 0 GND
Q201 .7 0 GND
Q202 1.4 .7 GND
Q203 1.7 GND .8
Q204 0 .5 GND
Q205 4.5 GND 5.2
Q206 4.9 0 3.9
Q207 4.9 0 3.9
Q252 0 7.4 0
Q300 .6 .8 GND
Q301 3.6 1.0 3.9
Q302 3.6 GND 3.9
Q303 .7 .1 0
Q305 3.9 GND 4.4
Q340 1.2 5.0 1.3
Q350 .8 GND 1.5
Q351 1.5 8.4 .9
Q352 8.4 1.2 9.0
Q353 1.2 GND 1.8
Q354 1.1 GND 1.7
Q355 1.7 8.4 1.1
Q356 8.4 1.4 9.0
Q357 1.4 GND 2.0
Q358 6.0 9.1 5.3
Q359 3.8 5.2 4.5
Q380 4.8 GND 5.4
Q390 5.7 9.0 5.0
Q391 4.5 9.1 3.8
Q392 0 GND 2.9
Q393 2.3 GND 2.9
Q394 2.2 GND 2.9
Q501
Q502−3.1 111.9−3.1
Q556 2.1 4.4 1.5
Q571 110.8 10.7 111.6
Q601 0 13 GND
Q602 .9 3.6 .4
Q605 9.8 10.8 9.1
Q606 .1 3.9 GND
Q608 .4 1.5 0
Q650 5.7 9.1 5.1
Q670 .7 .1 0
Q607 1.5 0 152.3
— 36 — — 37 — — 38 —
18.9V p-p (H)
29.4V p-p (V)
BCE
−
.7 48.0 GND
GSD
All voltages are in V
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C
C BOARD
IC VOLTAGE LIST
IC1751
PIN VOLT
12.1
22.2
32.1
4GND
53.7
6 193.4
7 146.5
8 133.8
9 134.9
All voltages are in V
C BOARD WAVEFORMS
1 2 3
148.4V p-p (H) 118.8V p-p (H) 122.5V p-p (H)
R,G,B DRIVE
CRT DRIVE
123456
A
B
C
A BOARD (*) MARK VARIANT LIST
KV-21MB42C
KV-21MB42M
REF NO. LOC. KV-20M42
C202 B-11 # # # 1 1 1 1
C206B-9###1111
C207 B-12 # # # # # # 0. 47
C208 B-12 # # # # # # 0. 47
C209 B-13 # # # # # # 4.7
C211 B-14 # # # # # # 10
C212 C-13 # # # # # # 4.7
C213 C-13 # # # # # # 10
C214 C-16 # # # 0.22 0.22 0.22 0.22
C216 C-17 # # 0.47 0.47 0.47 0.47 0.47
C220 B-18 # # 470 25V 470 25V 470 25V 470 25V 470 25V
C229 G-2 # # # # # # 0.01
C233 D-6 # # # 1 1 1 1
C234 D-8 10 10 10 10 10 10 #
C260 D-16 1 1 1 # # # #
C304 H-11 # # # # # # 0.1 25V F
C307 H-12 # # # # # # 10
C340 F-14 # # # # # # 1
C348 I-17 # # # # # # 330p
C350 G-16 # # # # # # 0.01
C351 G-16 # # # # # # 10
C352 G-16 # # # # # # 0.01
C353 G-17 # # # # # # 0.1 25V
C354 G-17 # # # # # # 0.1 25V
C355 G-17 # # # # # # 0.22 25V
C356 G-18 # # # # # # 0.1 25V
C357 F-17 # # # # # # 0.01
C358 F-17 # # # # # # 47 25V
C359 F-17 # # # # # # 0.01
C360 F-16 # # # # # # 0.01
C361 F-15 # # # # # # 0.022
C362 I-12 # # # # # # 10
C400 D-13 # # # # # # 4.7
C401 D-14 # # # # # # 0.1
C402 D-14 # # # # # # .0047
C403 D-14 # # # # # # 4.7
C404 D-14 # # # # # # 4.7
C405 D-14 # # # # # # 4.7
C406 D-15 # # # # # # 4.7
C407 D-15 # # # # # # 10
C410 D-15 # # # # # # 4.7
C411 D-15 # # # # # # 0.1
C412 D-14 # # # # # # 0.1
C413 D-14 # # # # # # 47
C414 D-14 # # # # # # .0047
C415 D-14 # # # # # # 0.1
C416 D-14 # # # # # # 4.7
C418 F-9 10 10 10 10 10 10 4.7
C601 N-2 0.47 125V 0.47 300V 0.47 300V 0.47 125V 0.47 300V .47 300V 0.47 300V
C613 L-2 470 250V 330 400V 330 400V 470 250V 330 400V 330 400V 330 400V
C616 L-3 # 0.022 400V 0.022 400V # 0.022 400V 0.022 400V 0.022 400V
C617 M-3 # 220pF 1KV 220pF 1KV # 220pF 1KV 220pF 220pF 1KV
C638 M-2 0.47 # # 0.47 # # #
CN401 D-19 # # 2P 2P 2P 2p 2P
D202 B-11 # # # MTZJ-T-77-10B MTZJ-T-77-10B MTZJ-T-77-10B MTZJ-T-77-10B
D204 B-8 # # # MTZJ-T-77-10B MTZJ-T-77-10B MTZJ-T-77-10B MTZJ-T-77-10B
D206 H-2 # # # # # # MTZJ-T-77-10B
D207 D-11 # # # # # # RD3.3ES-T1B
D215 B-16 MTZJ-T-77-10B MTZJ-T-77-10B MTZJ-T-77-10B # # # #
D280 G-3 # # # # # # MTZJ-T-77-10B
D609 L-3 # RU-1P RU-1P # RU-1P RU-1P RU-1P
FB350 G-16 # # # # # # JW 5MM
IC200 D-11 # # # NJM2521M-TE1 NJM2521M-TE1 NJM2521M-TE1 NJM2521M-TE1
IC202 C-13 # # # # # # NJM4558M-TE2
IC302 F-16 # # # # # # CXD2073S
IC400 B-16 TDA7056B/N1 TDA7056B/N1 # # # # #
IC401 B-18 # # TDA7057AQ/N2 TDA7057AQ/N2 TDA7057AQ/N2 TDA7057AQ/N2 TDA7057AQ/N2
IC402 C-14 # # # # # # CXA2021S
IC601 L-4 STR-F6624 STR-F6654 STR-F6654 STR-F6624 STR-F6654 STR-F6654 STR-F6654
J200 A-12 # # # # # # 2P
KV-21MB42P
KV-21ME42
KV-21ME42C
KV-20S42
KV-20S43
KV-21SB42C
KV-21SB42M
KV-21SE42
KV-21SE42C
KV-21SE82
KV-21SE82C
REF NO. LOC. KV-20M42
J201 B-10 2P 2P 2P 3P 3P 3P 3P
J202 B-8 2P 2P 2P 3P 3P 3P 3P
JW203 C-18 7.5MM 7.5MM # # # # #
JW380 F-13 # # # # # # 7.5MM
JW690 L-1 5MM # # 5MM # # #
JW691 L-1 5MM # # 5MM # # #
L351 F-17 # # # # # # 47µH
L352 F-16 # # # # # # 10µH
PS201 C-17 1-532-637-00 1-532-637-00 1-532-984-11 1-532-984-11 1-532-984-11 1-532-984-11 1-532-984-11
Q200 D-12 #
Q201 D-12 # # # # # # 2SD601A
Q202 D-17 2SD601A 2SD601A 2SD601A # # # #
Q206 C-16 # # # # # # 2SD601A
Q207 D-16 # # # # # # 2SD601A
Q340 F-14 # # # # # # 2SD601A
Q350 H-17 # # # # # # 2SB709A
Q351 H-17 # # # # # # 2SD601A
Q352 G-16 # # # # # # 2SB709A
Q353 H-16 # # # # # # 2SB709A
Q354 I-17 # # # # # # 2SB709A
Q355 H-17 # # # # # # 2SD601A
Q356 H-16 # # # # # # 2SB709A
Q357 I-15 # # # # # # 2SB709A
Q358 I-12 # # # # # # 2SD601A
Q359 I-11 # # # # # # 2SB709A
Q380 F-14 # # # # # # 2SB709A
R010 G-7 # # # 220 220 220 220
R011 G-7 # # # 220 220 220 220
R051 G-7 # # # 220 220 220 220
R053 F-8 # # # # # # 220
R070 G-8 # # # 4.7K 4.7K 4.7K 4.7K
R071 G-8 # # # 4.7K 4.7K 4.7K 4.7K
R080 F-7 # # # # # # 10K
R202 B-11 # # # 470K 470K 470K 470K
R206 B-9 # # # 470K 470K 470K 470K
R214 B-12 # # # # # # 470K
R215 B-12 # # # # # # 220
R216 B-13 # # # # # # 470K
R217 B-13 # # # # # # 220
R218 B-13 # # # # # # 5.6K
R219 B-13 # # # # # # 10K
R220 B-13 # # # # # # 10K
R221 B-13 # # # # # # 10K
R222 C-13 # # # # # # 5.6K
R223 D-13 # # # # # # 10K
R224 C-13 # # # # # # 10K
R225 C-13 # # # # # # 10K
R226 D-11 # # # # # # 4.7K
R227 D-12 # # # # # # 100K
R228 D-12 # # # # # # 4.7K
R229 D-12 # # # # # # 100K
R230 B-14 # # 12K 12K 12K 10K #
R231 D-16 # # 12K 12K 12K 10K #
R232 C-16 # # # # # # 10K
R233 D-16 # # # # # # 10K
R234 C-16 # # 3.3K 3.3K 3.3K 3.3K 2.2K
R235 D-16 3.3K 3.3K 3.3K 3.3K 3.3K 3.3K 2.2K
R237 B-18 # # 220 220 220 220 220
R238 C-18 # # 1K 1K 1K 1K 1K
R241 G-8 # # # 4.7K 4.7K 4.7K 4.7K
R245 C-17 # # 0 # # # #
R246 B-3 0 0 0 # # # #
R247 C-16 # # # # # # 100
R248 D-16 # # # # # # 100
R249 C-16 # # # # # # 22K
R250 D-16 # # # # # # 22K
R260 D-16 100K 100K 100K # # # #
R261 D-16 100K 100K 100K # # # #
R262 D-17 100 100 100 # # # #
R268 C-17 # # 3.3K 3.3K 6.8K 5.6K 22K
R269 D-17 5.6K 6.8K 3.3K 3.3K 3.3K 5.6K 22K
KV-21MB42C
KV-21MB42M
KV-21MB42P
#
KV-21ME42
KV-21ME42C
# # # # 2SD601A
KV-20S42
KV-20S43
KV-21SB42C
KV-21SB42M
KV-21SE42
KV-21SE42C
KV-21SE82
KV-21SE82C
KV-21MB42C
REF NO. LOC. KV-20M42
R283 G-2 # # # # # # 75
R287 G-3 # # # # # # 4.7K
R303 F-13 # # # # # # 100
R341 G-15 # # # # # # 47
R342 F-15 # # # # # # 100K
R343 F-14 # # # # # # 10K
R344 F-14 # # # # # # 3.3K
R350 G-17 # # # # # # 220
R351 G-17 # # # # # # 220
R352 G-17 # # # # # # 3.3K
R354 G-18 # # # # # # 3.3K
R357 F-16 # # # # # # 56K
R358 F-16 # # # # # # 560
R359 G-17 # # # # # # 2.2K
R360 H-17 # # # # # # 220pF
R361 G-17 # # # # # # 1K
R362 H-17 # # # # # # 560
R363 H-16 # # # # # # 330
R364 G-16 # # # # # # 100
R365 H-16 # # # # # # 0
R366 G-16 # # # # # # 1.5K
R367 H-17 # # # # # # 2.2K
R368 I-17 # # # # # # 100
R369 I-16 # # # # # # 680
R370 G-17 # # # # # # 220
R372 I-16 # # # # # # 270
R373 H-16 # # # # # # 100
R374 I-16 # # # # # # 100
R375 H-15 # # # # # # 1.5K
R376 I-12 # # # # # # 1K
R377 I-12 # # # # # # 1K
R378 I-11 # # # # # # 470
R379 H-16 # # # # # # 1K
R380 G-17 # # # # # # 2.2K
R382 E-14 # # # # # # 1.5K
R387 I-17 # # # # # # 100
R388 G-17 # # # # # # 100
R395 I-11 # # # # # # 100
R396 G-16 # # # # # # 100
R397 H-15 # # # # # # 100
R400 F-8 56K 56K 22K 22K 22K 22K 22K
R402 D-15 # # # # # # 1M
R403 D-15 # # # # # # 220
R404 D-15 # # # # # # 220
R432 F-9 33K 33K 12K 12K 12K 12K 8.2K
R433 F-9 27K 27K 12K 12K 12K 12K #
R651 M-2 4.7M 8.2M 8.2M 4.7M 8.2M 8.2M 8.2M
R652 M-1 # 1.8 1.8 # 1.8 1.8 1.8
R658 L-3 # 100K 100K # 100K 100K 100K
R664 L-2 390K 270K 270K 390K 270K 270K 270K
R698 L-2 JW 5.0mm 270K 270K JW 5.0mm 270K 270K 270K
T603 M-5 1-433-816-11 1-433-817-11 1-433-817-11 1-433-816-11 1-433-817-11 1-433-817-11 1-433-817-11
THP601 M-2 1-810-597-11 1-803-540-11 1-803-540-11 1-810-597-11 1-803-540-11 1-803-540-11 1-803-540-11
TU101 A-2 8-598-430-00 8-598-430-00 8-598-430-00 8-598-431-00 8-598-431-00 8-598-431-00 8-598-431-00
VDR601 N-2 1-803-585-11 1-803-587-11 1-803-587-11 1-803-585-11 1-803-587-11 1-803-587-11 1-803-587-11
KV-21MB42M
KV-21MB42P
KV-21ME42
KV-21ME42C
KV-20S42
KV-20S43
KV-21SB42C
KV-21SB42M
KV-21SE42
KV-21SE42C
KV-21SE82
KV-21SE82C
#: Not Mounted
D
C BOARD SCHEMATIC DIAGRAM
12345678
A
B
C
D
E
F
G
H
I
A Board
855 C Board.p65 3/31/99, 7:03 PM1
C Board
— 39 —
— 40 — — 41 — — 42 —
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C
2SA1091
2SD1292
2SB709
2SD601A
2SD2137
E
C
B
E
C
B
2SC3311A
C
B
E
LETTER SIDE
E
C
B
2SC5426
E
2SK2845
C
B
G
D
S
2SC3209
2SD774
E
C
B
1SS133T-77
D3SB60F
D1NS4-TA
D1N20R-TA
RD3.3ES-T1B
CATHODE
ANODE
MA111-TX RU4AM-T3
ANODE
CATHODE
CATHODE
ANODE
ERC04-06S
MTZJ-T-77-5.1C
MTZJ-T-77-5.6C
MTZJ-T-77-6.2C
MTZJ-T-77-8.2B
MTZJ-T-77-10B
MTZJ-T-77-30D
S2L20UF
S3L20UF4
RU-1P
UDZ-TE-17-5.1B
1SS83TD
D1NL20U-TA
EL1Z-V1
ERA22-08TP3
EZ0150AV1
RGP10GPKG23
GP08DPKG23
CATHODE
ANODE
43
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C/21XE42C
SECTION 7
EXPLODED VIEWS
Items with no part number and no
description are not stocked because they
are seldom required for routine service.
Note:
The components identified by shading andmark are
critical for safety. Replace only with part number specified.
The component parts of an assembly
are indicated by the reference
numbers in the remarks column.
Note:
Les composants identifies per un trame et une marque
sont critiques pour la securite. Ne les remplacer
quepar une piece portant le numero specifie.
7-1. CHASSIS (KV-20S43/21SE42/42C/82/82C/ME42/42C)
4-384-096-01 SCREW 4X16 TAPPING +P
4-365-808-01 SCREW 5,TAPPING
7-685-663-79 SCREW +BVTP 4X16 TYPE 2 N-S
28
3
1
5
4
11
10
9
13
12
17
8
Items marked * are not stocked
since they are seldom required for
routine service. Some delay should be
anticipated when ordering these items.
23
22
24
25
14
26
21
20
15
19
18
16
27
2
6
REF. NO. PART NO. DESCRIPTION REMARK
1 X-1036-731-1 BEZNET ASSY (KV-21ME42/42C) 2-4
1 X-4036-797-1 BEZNET ASSY (KV-20S43) 2-4
1 X-4036-730-1 BEZNET ASSY (KV-21SE42/42C) 2-4
1 X-4035-233-1 BEZNET ASSY (KV-21SE82/82C) 2-4
7
REF. NO. PART NO. DESCRIPTION REMARK
14 1-416-572-21 COIL, DEMAGNETIC (KV-20S43)
15 * A-1298-885-A A COMPLETE PC BOARD (KV-21SE82/82C)
15 * A-1298-893-A A COMPLETE PC BOARD (KV-20S43)
15 * A-1298-882-A A COMPLETE PC BOARD (KV-21ME42/42C)
15 * A-1298-832-A A COMPLETE PC BOARD (KV-21SE42/42C)
2 4-062-604-01 DOOR (KV-21SE42/42C/21SE82/82C)
2 4-062-596-11 DOOR (KV-20S43)
2 4-062-604-11 DOOR (KV-21ME42/42C)
16 1-751-057-11 CORD, POWER (KV-21SE42/82/ME42)
16 1-769-796-71 CORD, POWER (KV-21SE42C/82C/ME42C)
16 1-790-316-31 CORD, AC POWER (KV-20S43)
3 4-062-597-11 BUTTON, MULTI (KV-20S43)
3 4-062-603-01 BUTTON, MULTI (KV-21ME42/42C/SE82/82C)
17 * 4-062-609-01 BAFFLE, SPEAKER (KV-21SE82/82C ONLY)
18 1-505-404-11 SPEAKER (8CM) (KV-21SE82/82C)
3 4-062-603-11 BUTTON, MULTI (KV-21SE42/42C)
4 4-062-607-01 GUIDE, LED (KV-21ME42/42C/SE42/42C/82/82C)
4 4-062-599-01 GUIDE, LED (KV-20S43)
5 4-046-161-01 EMBLEM (NO.8), SONY
6 * 4-031-698-01 SHEET, ADHESIVE
7 8-738-768-05 CRT 21NX (SD-275)
(KV-20S43/21/ME42/SE42/82)
7 8-738-781-05 CRT 21NX (SD-275/SA)
(KV-21ME42C/SE42C/82C)
8 1-452-277-00 MAGNET, BMC
9 8-451-440-21 DY Y21NXA-X
10 4-053-005-01 SPACER, DY
11 3-704-372-31 HOLDER, HV CABLE
12 * A-1331-917-A C MOUNTED PC BOARD
13 * 4-375-394-01 SPRING, TENSION
14 1-416-951-11 COIL, DEGAUSS (KV-21ME42/42C/SE42/42C/82/82C)
19 X-4033-616-1 COVER ASSY, SPEAKER (KV-21SE82/82C ONLY)
20 8-598-430-00 TUNER, FSS BTF-FA401 (KV-21ME42/42C)
20 8-598-431-00 TUNER, FSS BTF-WA411
21 1-766-374-11 PLUG, F-PIN
22 4-068-826-01 LABEL, REAR COVER
23 4-062-610-03 COVER, REAR (KV-21SE82/82C)
23 4-062-598-44 COVER, REAR (KV-20S43)
23 4-062-602-03 COVER, REAR (KV-21SE42/42C)
23 4-062-602-23 COVER, REAR (KV-21ME42/42C)
24 4-051-735-22 PIECE A(75), CONV. CORRECT
25 1-452-032-00 MAGNET, DISC
26 1-453-283-21 FBT (NX-1744//X4E4)
27 * 4-064-221-01 SPONGE, ACOUSTIC (KV-21SE82/82C ONLY)
28 1-505-831-11 SPEAKER (9X5CM) (KV-20S43/21ME42/42C/)
28 1-505-930-11 SPEAKER (9X5CM) (KV-21SE42/42C)
44
(KV-20S43/21SE42/42C/82/82C)
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C
Note:
The components identified by shading andmark are
critical for safety. Replace only with part number specified.
Note:
Les composants identifies per un trame et une marque
sont critiques pour la securite. Ne les remplacer
quepar une piece portant le numero specifie.
7-2. CHASSIS (KV-20M42/S42/21MB42C/42M/42P/SB42C/42M)
7-685-648-79 SCREW + BVTP 3X12 TYPE 2 IT3
4-365-808-01 SCREW 5,TAPPING
7-685-663-79 SCREW +BVTP 4X16 TYPE 2 N-S
11
10
9
13
12
14
23
22
26
24
25
21
20
15
16
3
1
5
4
6
2
8
7
REF. NO. PART NO. DESCRIPTION REMARK
1 X-4035-231-1 BEZNET ASSY (KV-20M42/21MB42C) 2-4
1 X-4035-309-1 BEZNET ASSY (KV-20S42/21SB42C/42M) 2-4
1 X-4035-306-1 BEZNET ASSY (KV-21MB42P/42M) 2-4
2 4-062-596-21 DOOR (KV-20S42/21SB42C/42M)
2 4-062-596-01 DOOR (KV-20M42/21MB42C/42M/42P)
3 4-062-597-01 BUTTON, MULTI
4 4-062-599-01 GUIDE, LED
5 4-046-161-01 EMBLEM (NO.8), SONY
6 * 4-031-698-01 SHEET, ADHESIVE
7 8-738-768-05 CRT 21NX (SD-275)
7 8-738-781-05 CRT 21NX (SD-275/SA)
8 1-452-277-00 MAGNET, BMC
9 8-451-440-21 DY Y21NXA-X
10 4-053-005-01 SPACER, DY
11 3-704-372-31 HOLDER, HV CABLE
12 * A-1331-917-A C MOUNTED PC BOARD
13 * 4-375-394-01 SPRING, TENSION
14 1-416-951-11 COIL, DEGAUSS (KV-
14 1-416-572-21 COIL, DEMAGNETIC (KV-20M42/S42)
(KV-20M42/S42/21MB42C/42M/42P/SB42C/42M)
(KV-20M42/S42/21MB42P/42M/SB42M)
(KV-21MB42C/SB42C)
21MB42C/42M/42P/SB42C/42M
18
REF. NO. PART NO. DESCRIPTION REMARK
15 * A-1298-835-A A COMPLETE PC BOARD (KV-20M42)
15 * A-1298-883-A A COMPLETE PC BOARD (KV-21SB42C/42M)
15 * A-1298-893-A A COMPLETE PC BOARD (KV-20S42)
15 * A-1298-881-A A COMPLETE PC BOARD (KV-21MB42C/42P/42M)
16 1-751-057-11 CORD, POWER (KV-21MB42P/42M/SB42M)
16 1-790-001-21 CORD, AC POWER (KV-20M42/S42)
16 1-769-796-71 CORD, POWER (KV-21SB42C/MB42C)
18 1-505-831-11 SPEAKER (9X5CM)
18 1-505-270-11 SPEAKER (9X5CM) (KV-20M42/21MB42C/42M/42P)
20 8-598-430-00 TUNER, FSS BTF-FA401
20 8-598-431-00 TUNER, FSS BTF-WA411
21 1-766-374-11 PLUG, F-PIN
22 4-068-826-01 LABEL, REAR COVER
23 4-062-598-04 COVER, REAR
24 4-051-735-22 PIECE A(75), CONV. CORRECT
25 1-452-032-00 MAGNET, DISC
)
26 1-453-283-21 FBT (NX-1744//X4E4)
(KV-20S42/21SB42C/42M)
(KV-20M42/21MB42C/42M/42P)
(KV-20S42/21SB42C/42M)
(KV-20M42/S42/21MB42C/42M/42P/SB42C/42M)
45
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C/21XE42C
NOTES:
46
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C
SECTION 8
ELECTRICAL PARTS LIST
PARTS LISTING TABLE OF CONTENTS
Description Page
A BOARD COMMON P ARTS LIST: Parts common to all models listed in this manual...........................46
A BOARD V ARIANT PARTS LIST : Parts that belong only to the model specified.
Refer to the designated variant parts list when seeking a part indicated by an asterisk (*) on
the A board schematic, or by the word “variant” on the common parts list.
Model Page
KV-20M42 ............................................55
KV-20S42/20S43 ............................................56
KV-21MB42C/42M/42P.......................................57
KV-21ME42/42C ............................................58
KV-21SB42C/42M ............................................59
KV-21SE42/42C ............................................60
KV-21SE82/82C ............................................61
C BOARD COMPLETE PARTS LIST.....................................................................................................54
P ACKAGING LIST AND ACCESSORIES..............................................................................................63
47
KV-20M42/20S42/20S43/21MB42C/21MB42M/21MB42P/21ME42/21ME42C/
21SB42C/21SB42M/21SE42/21SE42C/21SE82/21SE82C/21XE42C
COMMON PARTS LISTING
Note:
The components identified by in this
manual have been carefully factoryselected for each set in order to satisfy
regulations regarding X-ray radiation.
Should replacement be required, replace
RESISTORS
All resistors are in ohms
F : nonflammable
When indicating parts by
reference number, please
include the board name.
only with the value originally used.
Items marked * are not stocked
sincethey are seldom required for routine
service. Some delay should be
anticipated when ordering these items.
All variable and adjustable resistors have
characteristic curve B, unless otherwise
noted.
REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK
C047 1-163-259-91 CERAMIC CHIP 220pF 5% 50V
C048 1-163-009-11 CERAMIC CHIP 0.001µ F 10% 50V
C050 1-163-251-11 CERAMIC CHIP 100pF 5% 50V
C051 1-163-251-11 CERAMIC CHIP 100pF 5% 50V
* A BOARD, COMPLETE
A-1298-832-A (KV-21SE42/42C)
A-1298-885-A (KV-21SE82/82C)
A-1298-893-A (KV-20S42/20S43)
A-1298-883-A (KV-21SB42M/42C)
A-1298-882-A (KV-21ME42/42C)
A-1298-881-A (KV-21MB42C/42M/42P)
A-1298-835-A (KV-20M42)
1-533-223-11 HOLDER, FUSE
4-382-854-1 SCREW (M3X10), P, SW (+)
4-382-854-11 SCREW (M3X10), P, SW (+)
CAPACITOR
C001 1-163-259-91 CERAMIC CHIP 220pF 5% 50V
C004 1-104-664-11 ELECT 47µF 20% 25V
C005 1-126-960-11 ELECT 1µ F 20% 50V
C006 1-163-035-00 CERAMIC CHIP 0.047µ F 50V
C007 1-163-259-91 CERAMIC CHIP 220pF 5% 50V
C008 1-163-009-11 CERAMIC CHIP 0.001µ F 10% 50V
C010 1-163-009-11 CERAMIC CHIP 0.001µ F 10% 50V
C011 1-163-009-11 CERAMIC CHIP 0.001µ F 10% 50V
C012 1-163-009-11 CERAMICCHIP 0.001µ F 10% 50V
C013 1-163-259-91 CERAMIC CHIP 220pF 5% 50V
C014 1-164-004-11 CERAMIC CHIP 0.1µF 10% 25V
C017 1-126-960-11 ELECT 1µ F 20% 50V
C019 1-163-135-00 CERAMIC CHIP 560pF 5% 50V
C020 1-130-495-00 FILM 0.1µF 5% 50V
C027 1-163-259-91 CERAMIC CHIP 220pF 5% 50V
C028 1-163-005-11 CERAMIC CHIP 470pF 10% 50V
C030 1-163-259-91 CERAMIC CHIP 220pF 5% 50V
C034 1-163-037-11 CERAMIC CHIP 0.022µ F 10% 50V
C037 1-164-161-11 CERAMIC CHIP 0.0022µF 10% 50V
C038 1-126-941-11 ELECT 470µ F 20% 25V
C039 1-126-964-11 ELECT 10µ F 20% 50V
C046 1-104-664-11 ELECT 47µ F 20% 25V
C052 1-163-251-11 CERAMIC CHIP 100pF 5% 50V
C053 1-163-251-11 CERAMIC CHIP 100pF 5% 50V
C055 1-163-251-11 CERAMIC CHIP 100pF 5% 50V
C060 1-163-005-11 CERAMIC CHIP 470pF 10% 50V
C062 1-164-161-11 CERAMIC CHIP 0.0022µF 10% 50V
C065 1-163-009-11 CERAMIC CHIP 0.001µ F 10% 50V
C072 1-163-259-91 CERAMIC CHIP 220pF 5% 50V
C074 1-163-251-11 CERAMIC CHIP 100pF 5% 50V
C077 1-163-251-11 CERAMIC CHIP 100pF 5% 50V
C091 1-163-231-11 CERAMIC CHIP 15pF 5% 50V
C092 1-163-231-11 CERAMIC CHIP 15pF 5% 50V
C101 1-126-963-11 ELECT 4.7µF 20% 50V
C150 1-126-935-11 ELECT 470µ F 20% 16V
C151 1-104-664-11 ELECT 47µ F 20% 25V
C160 1-126-382-11 ELECT 100µ F 20% 16V
C200 1-107-698-11 ELECT 10µ F 20% 25V
C201 1-126-960-11 ELECT 1µ F 20% 50V
C202 VARIANT (SEE VARIANT PARTS LIST)
C203 1-163-009-11 CERAMIC CHIP 0.001µ F 10% 50V
C204 1-107-698-11 ELECT 10µ F 20% 25V
C205 1-126-960-11 ELECT 1µ F 20% 50V
C206 VARIANT (SEE VARIANT PARTS LIST)
C207 VARIANT (SEE VARIANT PARTS LIST)
C208 VARIANT (SEE VARIANT PARTS LIST)
C209 VARIANT (SEE VARIANT PARTS LIST)
C211 VARIANT (SEE VARIANT PARTS LIST)
C212 VARIANT (SEE VARIANT PARTS LIST)
C213 VARIANT (SEE VARIANT PARTS LIST)
C214 VARIANT (SEE VARIANT PARTS LIST)
C215 1-126-957-11 ELECT 0.22µF 20% 50V
C216 VARIANT (SEE VARIANT PARTS LIST)
C217 1-126-959-11 ELECT 0.47µF 20% 50V
C218 1-126-941-11 ELECT 470µ F 20% 25V
C219 1-130-495-00 FILM 0.1µ F 5% 50V
C220 VARIANT (SEE VARIANT PARTS LIST)
C221 1-126-941-11 ELECT 470µF 20% 25V
The components identified by
shading andmark
safety. Replace only with part
number specified.
Note:
Les composants identifies per un
trame et une marque
pour la securite. Ne les remplacer
quepar une piece portant le numero
specifie.
are critical for
sont critiques
48