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Model
KV-32FS10
Pages
89
Size
38.42 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-32fs10.pdf
Date
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KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
— 37 —
— 38 —
— 39 —
6-3  BLOCK DIAGRAM   (3/5)  
(ALL MODELS)
6-4  BLOCK DIAGRAM  (4/5)
(KV-32FV15/34FV15/34FV15C/34FV15K/34FV15T/36FV15/38FV15K)
— 40 —
FOLDOUT 37-44
5/10/99, 8:17 AM
1
KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
—
 41 
—
—
 42 
—
—
 43 
—
—
 44 
—
6-5  BLOCK DIAGRAM  (5/5)
(KV-32XBR250/34FX250C/36XBR250/38FX250/38FX250C/38FX250T)
6-7. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
• All capacitors are in 
µ
F unless otherwise noted. pF : 
µµ
F 50WV or less are not
indicated except for electrolytics and tantalums.
• All electrolytics are in 50V unless otherwise specified.
• All resistors are in ohms.
K
Ω
=1000
Ω
, M
Ω
=1000k
Ω
• Indication of resistance, which does not have one for rating electrical power, is
as follows:
Pitch : 5mm
Rating electrical power : 
1
/
 4 
W
•
1
/
 4 
W in resistance, 
1
/
10 
W and 
1
/
 8 
W in chip resistance.
•
: nonflammable resistor.
• 
: fusible resistor.
• 
 : internal component.
•
 : panel designation and adjustment for repair.
• All variable and adjustable resistors have characteristic curve B, unless other-
wise noted.
• The components identified by 
 in this basic schematic diagram 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.
• When replacing components identified by 
, make the necessary adjust-
ments indicated. If results do not meet the specified value, change the compo-
nent identified by 
 and repeat the adjustment until the specified value is
achieved. (Refer to R530 and R531 adjustment on Page 21.)
• When replacing the part in below table, be sure to perform the related adjust-
ment.
• Readings are taken with a color-bar signal input.
• Readings are taken with a 10M
Ω
 digital multimeter.
• Voltages are DC with respect to ground unless otherwise noted.
• Voltage variations may be noted due to normal production tolerances.
• All voltages are in V.
S : Measurement impossibility.
•
: B+line.
•
v
: B-line.
(Actual measured value may be different).
•
: signal path. (RF)
• Circled numbers are waveform references.
Reference information
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
:
ADJUSTMENT RESISTOR
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
  R530,R531
                  Part replaced (
)                          Adjustment(
)
IC355, IC501, D302, D519, D520, D521,C531,  C532,
Q301, R356, R359, R361, R387, R529, R530, R531,
R532, R533, R550,T503 .............................A BOARD
IC643, R661.................................................G BOARD
IC6003, R6088...........................................GA BOARD
6-6. CIRCUIT BOARDS LOCATION
The symbol
display is on the component side.
The components identified by shading and mark 
 are
critical for safety. Replace only with part number specified.
The symbol
indicates a fast operating fuse.
Replace only with fuse of 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
indique une fusible a action rapide.  Doit
etre remplacee par une fusible de meme yaleur, comme maque.
NOTE:
Portions of this circuit marked as shown are high
voltage areas. Use care to prevent electric shocks
during inspection or repair.
A BOARD LOCATOR LIST
DIODE
IC
D001
A - 5
IC001
B-2
D002
D-2
IC002
C-2
D003
A - 5
IC352
D-9
D004
C-2
IC353
D-10
D011
A - 5
IC354
C-9
D012
C-1
IC355
D-5
D013
C-5
IC501
G-2
D014
D-3
IC561
G-6
D015
C-3
IC1001
D-8
D016
D - 4
TRANSISTOR
D018
D - 4
Q001
A - 5
D019
C-8
Q002
C - 4
D301
C-7
Q003
H-1
D302
E-3
Q004
H-1
D303
D - 4
Q005
B-5
D368
C-7
Q006
H-1
D384
F-6
Q007
I-1
D388
C-6
Q010
D-3
D501
H-2
Q011
D-3
D502
I-8
Q012
D-3
D503
I-8
Q013
D-3
D504
I-7
Q014
D-3
D505
I-6
Q015
D-3
D506
H-5
Q016
D-2
D507
H-2
Q017
A - 5
D510
F-8
Q103
B-8
D511
F-9
Q104
B-8
D512
F-9
Q301
E-3
D513
F-9
Q303
E-7
D515
G - 4
Q304
E-5
D516
H-2
Q305
E-5
D518
H-3
Q306
E-5
D519
G-9
Q307
C-6
D520
F-2
Q310
E - 4
D521
F-2
Q311
E - 4
D522
G-2
Q314
E-9
D523
H-3
Q351
E-10
D524
H-3
Q359
E-12
D530
G-8
Q361
D-10
D531
G-9
Q362
E-11
D534
G-8
Q364
E-12
D535
G-3
Q369
D-8
D536
G-3
Q370
D-11
D561
H-7
Q501
I-2
D1003
E-10
Q502
J-9
D1004
E-10
Q503
G-3
D1101
A - 7
Q504
G-3
D1102
B-11
Q507
F-9
D1103
A-12
Q511
H-2
D1104
A - 7
Q512
F-3
D1301
D-12
Q561
G-6
D1302
D-11
Q562
F-5
Q1102
A-12
Q1103
A-10
Q1301
D-11
Q1302
D-11
Q1303
E-12
Q1352
D-11
Q1353
D-11
Q1354
D-10
A
[ MICON, Y/C/J, TUNER, PIN-MOD, V-DEF, H-DEF ]
C
A
G/GA
HB
HX
WA
UX
AK
HA
(KV-32XBR250/34FX250C/36XBR250
38FX250/38FX250C/38FX250T ONLY)
T
ALL MODELS (Except KV-32XBR250/34FX250C
36XBR250/38FX250/38FX250C/38FX250T
C
A
G/GA
HB
HX
WA
UY
AK
HA
FOLDOUT 37-44
5/10/99, 8:23 AM
2
KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
—
 45 
—
—
 46 
—
—
 47 
—
—
 48 
—
A  BOARD SCHEMATIC DIAGRAM
A BOARD:  IC 355  CXA2131S
SUPPLY
VOLTAGE
OUTPUT 
STAGE
SUPPLY
FLYBACK
GENERATOR
FLYBACK
GENERATOR
POWER
AMPLIFIER
THERMAL
 
PROTECTION
OUTPUT
INVERTING
INPUT
NON-INVER
TING
INPUT
GND
A BOARD:  IC 561  STV9379
A BOARD WAVEFORMS
1
2
5
6
9
10
13
14
17
18
3
7
11
15
19
4
8
12
16
1.9 Vp-p (H)
3.9 Vp-p (8 MHz)
2.9 Vp-p (H)
51.6 Vp-p (H)
5.7 Vp-p (V)
4.9 Vp-p (H)
0.9 Vp-p (H)
2.8 Vp-p (H)
1.08 KVp-p (H)
5.6 Vp-p (H)
1.7 Vp-p (H)
2.6 Vp-p (H)
8.7 Vp-p (V)
52.2 Vp-p (V)
5.2 Vp-p (V)
3.6 Vp-p (H)
192 Vp-p (H)
53.7 Vp-p (V)
178.7 Vp-p (H)
A BOARD TRANSISTOR 
VOLTAGE LIST 
B
C
E
Q001
5.0
0.7
5.0
Q002
4.7
9.3
4.1
Q003
- 0 . 4
4.0
GND
Q004
5.0
GND
5.0
Q005
0
5.0
0
Q006
0
5.0
GND
Q007
5.0
0
5.0
Q010
0
9.4
0
Q011
0
9.4
0
Q012
0
9.4
0
Q013
0
0
GND
Q014
0
0
GND
Q015
0
0
GND
Q016
5.8
9.4
5.1
Q017
4 . 4
5.0
5.0
Q103
4.3
4.9
5.0
Q104
5.0
0
5.0
Q301
-0.7
3.5
GND
Q303
4.3
10.5
3.7
Q304
1.3
GND
1.9
Q305
1.2
GND
1.9
Q306
1.1
GND
1.8
Q307 5.1
9.4
4 . 4
Q310
3.7
2.0
4.3
Q311
3.7
GND
4.3
Q312
0.1
0.1
GND
Q313
4.3
9.0
3.7
Q314
4.3
9.0
3.7
Q351
6.6
9.0
5.9
Q352
5.0
9.4
4.3
Q359
1.6
GND
2.3
Q361
7.6
11.7
6.9
Q362
5.7
11.7
6.3
Q364
10.1
4.9
10.7
Q369
3.1
9.0
2.5
Q370
2.3
11.8
1.8
Q501
-0.8
107.4
GND
Q502
-0.2
135.0
GND
Q503
0
8.2
GND
Q504
-1.1
0
GND
Q507
0.3
0.3
GND
Q511
-13.6
-11.1
-13.9
Q512
-14.1
27.4
-13.9
Q561
0
5.8
GND
Q562
-0.2
0
GND
Q1102
5.8
8.9
5.1
Q1103
0
5.0
GND
Q1301
1.2
GND
1.9
Q1302
0.2
11.7
0.7
Q1303
4.9
11.7
4.3
Q1352
-2.2
10.6
GND
Q1353
11.9
0.5
11.7
Q1354
-0.1
0
GND
All voltages are in V
A BOARD (*) MARK LIST
REF. NO. LOCATION KV-32FS10 KV-36XBR250 KV-34FV15K
KV-34FV15T
KV-38FV1
TU102
D-3
#
#
8-598-475-11 8-598-477-11 8-598-475
A BOARD IC VOLTAGE LIST
IC001
4 9
GND
13
0.1
15
N C
36
7.3
pin
volt
50
5.0
14
GND
16
3.9
37
4.8
1
0
51
0
15
2.4
17
3.9
38
5.5
2
5.0
52
0
16
4 . 4
18
3.9
39
5.5
3
0
53
4.7
17
4.7
19
GND
4 0
GND
4
0
5 4
4.7
18
GND
20
0
41
N C
5
N C
55
4.7
19
6.0
21
0
4 2
7.3
6
3.9
56
4.7
20
GND
22
N C
4 3
N C
7
0.1
57
5.0
21
5.8
23
9.0
4 4
9.3
8
0
58
0
22
5.8
2 4
N C
4 5
5.5
9
N C
59
3.8
23
5.8
25
N C
4 6
5.1
10
N C
60
3.8
2 4
9.0
26
N C
4 7
1.9
11
N C
61
0
IC353
27
N C
4 8
N C
12
5.0
62
4.7
pin
volt
28
N C
IC501
13
4.0
63
N C
1
4.5
IC355
pin
volt
14
5.0
6 4
0
2
3.7
pin
volt
1
-3.5
15
5.0
IC002
3
4.9
1
3.5
2
8.2
16
GND
pin
volt
4
4.5
2
N C
3
8.0
17
2.5
1
GND
5
GND
3
1.5
4
-13.8
18
2.5
2
GND
6
N C
4
N C
5
2.3
19
5.0
3
GND
7
4.5
5
5.0
6
2.9
20
5.0
4
GND
8
N C
6
N C
7
13.6
21
2.0
5
4.7
9
N C
7
4.5
8
14.0
22
2.5
6
4.7
10
1.3
8
4.8
IC561
23
0
7
GND
11
4.7
9
5.3
pin
volt
2 4
0
8
5.0
12
4.7
10
GND
1
1.4
25
GND
IC351
13
GND
11
3.4
2
14.0
26
0
pin
volt
14
11.4
12
2.4
3
-11.9
27
0
1
5.8
15
5.6
13
3.5
4
-13.8
28
2.3
2
0.3
16
11.7
14
3.5
5
0.4
29
5.0
3
5.3
17
7.6
15
5.8
6
14.4
30
0
4
GND
18
1.3
16
7.6
7
1.4
31
0
5
N C
19
3.6
17
1.2
IC1001
32
0
6
9.4
20
2.0
18
3.5
pin
volt
33
0
7
5.0
IC354
19
1.9
1
N C
3 4
N C
8
GND
pin
volt
20
2.5
2
0.1
35
N C
IC352
1
4.0
21
2.0
3
0.3
36
0
pin
volt
2
4.0
22
1.3
4
N C
37
0
1
5.8
3
4.0
23
1.2
5
4 . 4
38
0
2
5.8
4
0.3
2 4
1.2
6
4.7
39
0
3
5.8
5
4.0
25
0
7
4.7
4 0
0
4
GND
6
4.0
26
4.7
8
GND
41
0
5
N C
7
4.0
27
4.7
9
9.3
4 2
0
6
0.1
8
2.2
28
4.7
10
N C
4 3
0
7
GND
9
N C
29
N C
11
9.3
4 4
4.7
8
N C
10
N C
30
4.3
12
9.3
4 5
4.7
9
3.9
11
N C
31
4.3
13
GND
4 6
4.9
10
3.9
12
N C
32
3.7
14
4.7
4 7
4.9
11
9.0
13
N C
33
9.1
15
4.7
4 8
GND
12
3.1
14
N C
3 4
4.7
16
9.3
35
4.7
All voltages are in V
FOLDOUT 45-48
5/10/99, 1:46 PM
1
KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
AK BOARD SCHEMATIC DIAGRAM
—
 49 
—
—
 50 
—
—
 51 
—
—
 52 
—
board
Schematic diagrams
board
A
AK
AK BOARD TRANSISTOR 
VOLTAGE LIST
B
C
E
Q101
5.7
9.3
5.1
Q105
5.1
1.1
5.0
Q106
5.6
9.3
4.9
Q451
8.9
0.4
9.3
Q1461
0
4.2
GND
Q1462
0
11.6
GND
Q1463
0
0
GND
Q1464
0
0
GND
Q1902
5.0
0.7
0
Q1903
5.0
0.7
0
Q1918
5.0
0.7
0
All voltages are in V
AK BOARD LOCATOR LIST
DIODE
PHOTOSENSOR
D101
A - 2
PS1461
B - 4
D103
A - 6
TRANSISTOR
D104
A - 6
Q101
A - 2
D105
B-8
Q105
A - 6
D106
B-8
Q106
A - 4
D107
C-8
Q451
F-2
D108
A-1
Q1461
C-3
D109
B-1
Q1462
C-2
D1461
B-3
Q1463
C-2
D1463
B-2
Q1464
C-2
D1466
B-2
Q1902
D-8
D1467
C - 4
Q1903
D-9
D1468
C - 4
Q1918
D-9
IC
IC1401
D-6
IC1402
B-6
IC1403
E-8
IC1461
D-3
IC1901
B-8
IC1902
C-8
1
A
B
C
D
E
2
3
4
5
6
7
8
9
AK
[ AUDIO AMP, TRUSURROUND, 2ND TUNER, S-LINK ]
AK BOARD WAVEFORMS
1
2
1.5 Vp-p (H)
4.8 Vp-p (H)
AK BOARD (*) MARK LIST
REF. NO.
LOCATION
KV-34FV15K
KV-38FX250T
C101
D-4
1
1MF
C102
C-3
0.0022
0.0022MF
C104
D-5
10
10MF
C106
C-6
47
47MF
C108
D-6
1000
1000MF
C109
B-7
220p
220PF
C110
B-7
0.047
0.047MF
C111
C-7
1
1MF
C113
C-5
220
220MF
C115
A-5
1
1MF
C1904
C-12
0.01
0.01MF
C1905
C-12
10
10MF
C1906
B-11
0.01
0.01MF
C1907
B-10
10
10MF
C1908
B-12
0.001
0.001MF
C1909
B-12
0.001
0.001MF
C1910
D-10
0.001
0.001MF
C1911
D-10
0.001
0.001MF
C1912
D-10
0.001
0.001MF
CN1465
F-1
#
CONNECTOR
CN1467*
C-13
CONNECTOR
CONNECTOR
CN1468
B-13
(CONTACT)
(CONTACT)
D101
C-6
RD5.6ESB2
RD5.6ESB2
D103
C-8
1SS133T-77
1SS133T-77
D104
B-8
1SS133T-77
1SS133T-77
D105
E-11
1SS133T-77
1SS133T-77
D106
D-11
1SS133T-77
1SS133T-77
D107
D-11
1SS133T-77
1SS133T-77
D108
D-7
RD10ESB2
RD10ESB2
D109
D-7
RD10ESB2
RD10ESB2
IC1901
D-12
CXA1315M
CXA1315M
IC1902
B-11
NJM2145M-TE2
NJM2145M-TE2
L102
C-5
10UH
10UH
L105
C-6
100UH
100UH
Q101
C-6
2SC2785-HFE
2SC2785-HFE
Q105
B-7
2SA1162-G
2SA1162-G
Q106
B-6
2SD601A-Q
2SD601A-Q
Q1902
B-9
2SA1162-G
2SA1162-G
Q1903
B-9
2SA1162-G
2SA1162-G
Q1918
B-10
2SA1162-G
2SA1162-G
Q451
F-2
#
2SB734-34
R101
D-4
4.7K
4.7K
R102
C-3
27K
27K
R103
C-5
39K
39K
R104
C-6
1K
1K
R112
B-7
2.2K
2.2K
R113
B-7
100K
100K
R114
B-7
1 M
1 M
R115
C-7
10K
10K
R116
C-8
10K
10K
R117
C-8
4.7K
4.7K
R118
A-7
470
470
R119
A-7
560
560
R450
F-2
#
10K
R1486
H-10
220
220
R1487
H-10
220
220
R1902
B-10
10K
10K
R1904
B-9
10K
10K
R1906
B-9
10K
10K
R1907
B-11
220
220
R2904
D-12
220
220
R2905
D-12
220
220
R2909
C-11
10K
10K
R2910
C-11
10K
10K
R2912
C-12
4.7K
4.7K
R2913
C-11
10K
10K
R2914
D-11
10K
10K
R2915
E-12
10K
10K
R2916
E-10
10K
10K
TU101
D-5
8-598-430-00
8-598-430-00
AK BOARD IC 
VOLTAGE LIST
IC1401
IC1402
23
4.5
8
GND
pin
volt
pin
volt
24
4.5
9
0
1
GND
1
4.5
25
4.5
10
NC
2
0.7
2
4.5
26
4.5
11
9 . 3
3
1.2
3
4.5
27
4.5
12
0
4
4.5
4
GND
28
3.9
13
0
5
4.5
5
4.5
IC1461
14
4 . 7
6
4.5
6
4.5
1
1.5
15
4 . 7
7
4.5
7
4.5
2
0
16
9 . 3
8
4.5
8
9.1
3
NC
IC1902
9
4.5
IC1403
4
0
1
5.0
10
4.5
pin
volt
5
1.5
2
3.9
11
0
1
3.9
6
11.6
3
5.0
12
4.5
2
4.5
7
16.0
4
0.1
13
1.0
3
4.5
8
5.1
5
GND
14
1.9
4
GND
9
34.5
6
0
15
9.1
5
4.7
10
0
7
0
16
9.1
6
NC
11
4.2
8
0
17
4.7
7
4.7
12
15.7
9
0.7
18
4.7
8
GND
IC1901
10
0.7
19
1.9
9
4.5
1
0
11
0.7
20
1.0
10
4.5
2
0.4
12
NC
21
4.5
11
4.5
3
NC
13
0
22
4.5
12
4.5
4
NC
14
0.4
23
4.5
13
4.5
5
NC
15
0.4
24
4.5
14
4.5
6
NC
16
GND
25
4.5
15
4.5
7
0.4
All voltages are in V
26
4.5
16
4.5
27
4.5
17
4.5
28
4.5
18
4.5
29
4.5
19
4.5
30
4.5
20
4.5
31
2.9
21
9.1
32
4.5
22
4.5
FOLDOUT 49-52
5/10/99, 1:51 PM
2
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