How it Works
SONY
Loading...
KV-38FX250T
SERVICE MANUAL Part4
3 pgs6.82 Mb0
SERVICE MANUAL Part1
29 pgs6.25 Mb0
SERVICE MANUAL Part6
7 pgs6.83 Mb0
SERVICE MANUAL Part7
56 pgs755.75 Kb0
SERVICE MANUAL Part2
5 pgs4.21 Mb0
SERVICE MANUAL Part5
2 pgs8.82 Mb0
Service Manual
104 pgs40.84 Mb0
Service Manual
113 pgs21.45 Mb0

SONY KV-38FX250T, KV-34FV10, KV-32FS10, KV-32FV15, KV-36FS10 SERVICE MANUAL Part3

...
A BOARD SCHEMATIC DIAGRAM
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 49 GND 13 0.1 15 NC 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 40 GND
4 0 54 4.7 18 GND 20 0 41 NC
5 NC 55 4. 7 19 6.0 21 0 4 2 7.3 6 3.9 56 4.7 20 GN D 22 NC 4 3 NC 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 NC 45 5.5 9 NC 59 3.8 23 5.8 25 NC 46 5.1
10 N C 60 3.8 24 9.0 26 N C 47 1.9
11 N C 61 0 IC353 27 NC 48 NC 12 5.0 62 4.7 pin volt 28 NC IC501 13 4.0 63 NC 1 4.5 IC355 pin volt 14 5.0 64 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 NC 3 8.0 17 2.5 1 GND 5 GND 3 1.5 4 -13.8 18 2.5 2 GND 6 NC 4 NC 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 NC 7 13.6
21 2.0 5 4.7 9 NC 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 G N D 1 1 . 4 25 GND IC351 1 3 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 1 6 11.7 14 3 .5 5 0 . 4 29 5.0 3 5.3 17 7. 6 15 5.8 6 14.4 3 0 0 4 G N D 18 1 .3 16 7 . 6 7 1 .4
3 1 0 5 N C 1 9 3.6 1 7 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 NC 34 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 NC 37 0 1 5.8 3 4.0 23 1.2 5 4.4 38 0 2 5.8 4 0.3 24 1.2 6 4.7 39 0 3 5.8 5 4.0 25 0 7 4.7 40 0 4 GND 6 4.0 26 4.7 8 GND
41 0 5 NC 7 4.0 27 4.7 9 9.3
42 0 6 0.1 8 2.2 28 4.7 1 0 NC 43 0 7GND9NC29NC11 9.3
4 4 4.7 8 N C 10 NC 30 4.3 12 9.3
45 4.7 9 3.9 11NC314.313GND 46 4.9 10 3.9 12 NC 32 3.7 14 4.7 47 4.9 11 9 . 0 13 N C 3 3 9.1 15 4 . 7 48 GND 12 3.1 14 NC 34 4.7 16 9.3
35 4.7
All voltages are in V
KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K 34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
A BOARD WAVEFORMS
1 2
1.9 Vp-p (H)
5 6
3.9 Vp-p (8 MHz)
9 10
2.9 Vp-p (H)
13 14
51.6 Vp-p (H)
17 18
5.7 Vp-p (V)
A BOARD: IC 561 STV9379
INVERTING
INPUT
NON-INVERTING
INPUT
4.9 Vp-p (H)
0.9 Vp-p (H)
2.8 Vp-p (H)
1.08 KVp-p (H)
178.7 Vp-p (H)
SUPPLY
VOLTAGE
OUTPUT
SUPPLY
POWER
AMPLIFIER
GND
3
5.6 Vp-p (H)
7
1.7 Vp-p (H)
11
2.6 Vp-p (H)
15
8.7 Vp-p (V)
19
52.2 Vp-p (V)
FLYBACK
GENERATOR
FLYBACK
GENERATOR
THERMAL
PROTECTION
4
5.2 Vp-p (V)
8
3.6 Vp-p (H)
12
192 Vp-p (H)
16
53.7 Vp-p (V)
OUTPUT
A BOARD TRANSISTOR VOLTAGE LIST
BCE
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 GN D 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 GN D 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 G N D 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 GN D
Q562 -0.2 0 GND Q1102 5. 8 8.9 5.1 Q1103 0 5.0 GN D Q1301 1.2 G ND 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: IC 355 CXA2131S
FOLDOUT 45-48 5/10/99, 1:46 PM1
— 45 — — 46 — — 47 — — 48 —
KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K 34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
AK BOARD SCHEMATIC DIAGRAM
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 1 0 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 1M 1M 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 10 K R2910 C-11 10K 10 K R2912 C-12 4.7K 4.7K R2913 C-11 10K 10 K R2914 D-11 10K 10 K
R2915 E-12 10K 10K R2916 E-10 10K 10K TU101 D-5 8-598-430-00 8-598-430-00
AK
A
B
C
D
E
[ AUDIO AMP, TRUSURROUND, 2ND TUNER, S-LINK ]
1
23456789
AK BOARD LOCATOR LIST
DIODE PHOTOSENSOR
D101 A- 2 PS1461 B- 4 D103 A -6 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
TRANSISTOR
AK BOARD TRANSISTOR VOLTAGE LIST
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
BCE
All voltages are in V
AK BOARD IC VOLTAGE LIST
IC1401 IC1402 2 3 4 .5 8
pin volt pi n volt 2 4 4 .5 9
1 GND 1 4.5 25 4.5 10 2 0.7 2 4.5 26 4.5 1 1 3 1.2 3 4.5 27 4.5 1 2 4 4.5 4 GND 28 3.9 1 3 5 4.5 5 4 . 5 IC1461 14 6 4.5 6 4.5 1 1.5 15 7 4.5 7 4.5 2 0 1 6 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 1 0 0 7 0 16 9.1 6 NC 11 4.2 8 0 17 4.7 7 4.7 1 2 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 1 3 0 22 4.5 12 4.5 4 NC 1 4 0.4 23 4.5 13 4.5 5 NC 1 5 0.4 24 4.5 14 4.5 6 NC 1 6 GND 25 4.5 15 4.5 7 0.4 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
All voltages are in V
GND
0
NC
9.3 0 0
4.7
4.7
9.3
Schematic diagrams
board
A
board
AK
FOLDOUT 49-52 5/10/99, 1:51 PM2
— 49 — — 50 — — 51 —
—
52 —
Loading...
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use