Sony Trinitron KV-24FV12 Service Manual page 34

K BOARD SCHEMATIC DIAGRAM
CN402 CN402 CN402 CN402
3P 3P 3P 3P
TO MB BOARD TO MB BOARD TO MB BOARD TO MB BOARD
CN1000 CN1000 CN1000 CN1000
R456 R456 R456 R456
R455 R455 R455 R455
100 100
100 100
100 100 100 100
R450 R450 R450 R450
100 100 C416 C416 C416 C416
100 100
4.7 4.7 4.7 4.7
R451 R451 R451 R451
100 100 100 100
AUDIO-L AUDIO-L AUDIO-L AUDIO-L
C430 C430 C430 C430
0.22 0.22 C432 C432
0.22 0.22 C432 C432
C429 C429 C429 C429
25V 25V 25V 25V 0.01 0.01 0.01 0.01
9V 9V 9V 9V
C425 C425 C425 C425 0.0047 0.0047 0.0047 0.0047
C427 C427 C427 C427 CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP C434 C434 C434 C434
CHIP CHIP
1 1 1 1 CHIP CHIP
100 100 100 100 0.1 0.1 0.1 0.1
C431 C431 C431 C431 AUDIO-L AUDIO-L AUDIO-L AUDIO-L
16V 16V 16V 16V 25V 25V
25V 25V
CHIP CHIP 0.1 0.1 0.1 0.1
CHIP CHIP CHIP CHIP CHIP CHIP
C433 C433 C433 C433
C428 C428 C428 C428 25V 25V 25V 25V
1 1 1 1
100 100 100 100 CHIP CHIP CHIP CHIP
12 12 12 12 11 11 11 11 10 10 10 10 9 9 9 9 8 8 8 8 7 7 7 7 6 6 6 6 5 5 5 5 4 4 4 4 3 3 3 3 2 2 2 2 1 1 1 1
IC403 IC403 IC403 IC403
NJM2198 NJM2198 NJM2198 NJM2198 AUDIO AMP AUDIO AMP AUDIO AMP AUDIO AMP
13 13 13 13 14 14 14 14 15 15 15 15 16 16 16 16 17 17 17 17 18 18 18 18 19 19 19 19 20 20 20 20 21 21 21 21 22 22 22 22 23 23 23 23 24 24 24 24
AUDIO-R AUDIO-R AUDIO-R AUDIO-R
R452 R452 R452 R452
10k 10k 10k 10k CHIP CHIP CHIP CHIP C460 C460 C460 C460
4.7 4.7 4.7 4.7
AUDIO-L AUDIO-L
AUDIO-L AUDIO-L
C456 C456 C456 C456
0.01 0.01
0.01 0.01
CHIP CHIP CHIP CHIP C457 C457 C457 C457
0.033 0.033 0.033 0.033
CHIP CHIP CHIP CHIP
C426 C426 C426 C426 C458 C458 C458 C458
1 1 1 1 4.7 4.7 4.7 4.7
C424 C424 C455 C455
JW408 JW408 JW408 JW408 C424 C424 C455 C455
15MM 15MM 15MM 15MM 0.47 0.47 0.47 0.47 0.47 0.47 0.47 0.47
25V 25V 25V 25V 25V 25V 25V 25V
CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP
JW407 JW407 JW407 JW407
17.5MM 17.5MM 17.5MM 17.5MM
AUDIO PROCESSOR AUDIO PROCESSOR AUDIO PROCESSOR AUDIO PROCESSOR
TO A BOARD CN460 TO A BOARD CN460 TO A BOARD CN460 TO A BOARD CN460
[AUDIO PROCESSOR]
2
1
A
B
C
C409 C409 C409 C409 C410 C410 C410 C410
C418 C418 C418 C418 C419 C419 0.0015 0.0015 0.033 0.033
C419 C419 0.0015 0.0015 0.033 0.033
0.1 0.1
0.1 0.1 1 1 1 1 16V 16V :CHIP :CHIP B:CHIP B:CHIP :CHIP :CHIP
16V 16V :CHIP :CHIP B:CHIP B:CHIP :CHIP :CHIP
25V 25V 25V 25V
:CHIP :CHIP :CHIP :CHIP
R403 R403 R403 R403
C408 C408 C408 C408 C411 C411 C411 C411 R404 R404 R404 R404
C417 C417 0.22 0.22 0.22 0.22 0.0033 0.0033 0.0033 0.0033 100 100 100 100
C417 C417 100 100 100 100
4.7 4.7 4.7 4.7 :CHIP :CHIP :CHIP :CHIP B:CHIP B:CHIP B:CHIP B:CHIP
JW403 JW403 JW403 JW403
7.5MM 7.5MM 7.5MM 7.5MM
JW405 JW405 JW405 JW405
5MM 5MM
5MM 5MM AUDIO-R AUDIO-R AUDIO-R AUDIO-R
AUDIO-R AUDIO-R AUDIO-R AUDIO-R
20 20 20 20 19 19 19 19 18 18 18 18 17 17 17 17 16 16 16 16 15 15 15 15 14 14 14 14 13 13 13 13 12 12 12 12 11 11 11 11 10 10 10 10 9 9 9 9 8 8 8 8 7 7 7 7 6 6 6 6 5 5 5 5 4 4 4 4 3 3 3 3 2 2 2 2 1 1 1 1
C451 C451
C451 C451
4.7 4.7 4.7 4.7
IC404 IC404 IC404 IC404 NJW1130G NJW1130G NJW1130G NJW1130G AUDIO PROCESSOR AUDIO PROCESSOR AUDIO PROCESSOR AUDIO PROCESSOR
R408 R408 R408 R408
100 100 100 100
C446 C446 C446 C446
100 100 100 100
21 21 21 21 22 22 22 22 23 23 23 23 24 24 24 24 25 25 25 25 26 26 26 26 27 27 27 27 28 28 28 28 29 29 29 29 30 30 30 30 31 31 31 31 32 32 32 32 33 33 33 33 34 34 34 34 35 35 35 35 36 36 36 36 37 37 37 37 38 38 38 38 39 39 39 39 40 40 40 40
16V 16V 16V 16V R409 R409 R409 R409
100 100
100 100
R406 R406 R406 R406
100 100 100 100
:CHIP :CHIP
:CHIP :CHIP
C407 C407 C407 C407
C415 C415 C415 C415
0.22 0.22 0.22 0.22
4.7 4.7 4.7 4.7
:CHIP :CHIP :CHIP :CHIP
9V 9V 9V 9V
C406 C406 R405 R405 R405 R405
C406 C406
0.0015 0.0015 0.0015 0.0015 100 100 100 100
B:CHIP B:CHIP B:CHIP B:CHIP
C422 C422 C422 C422 C414 C414 C414 C414 JW406 JW406 JW406 JW406
C405 C405 C405 C405 AUDIO-L AUDIO-L AUDIO-L AUDIO-L
4.7 4.7 4.7 4.7 10MM 10MM 10MM 10MM
4.7 4.7 4.7 4.7 0.033 0.033
0.033 0.033
:CHIP :CHIP :CHIP :CHIP
R410 R410 R410 R410
C447 C447 C447 C447
C404 C404 100 100 100 100 2.2 2.2
C404 C404 2.2 2.2
C413 C413 C413 C413 0.0033 0.0033 0.0033 0.0033
C423 C423
C423 C423 4.7 4.7 4.7 4.7 B:CHIP B:CHIP B:CHIP B:CHIP
4.7 4.7 4.7 4.7
C412 C412
C412 C412
0.1 0.1 0.1 0.1 JW404 JW404 JW404 JW404 C202 C202 C202 C202
25V 25V 25V 25V 10MM 10MM 10MM 10MM 4.7 4.7 4.7 4.7
:CHIP :CHIP R407 R407
:CHIP :CHIP R407 R407
100 100 100 100
:CHIP :CHIP :CHIP :CHIP
AUDIO-R AUDIO-R
AUDIO-R AUDIO-R
C448 C448
C448 C448
9V 9V 9V 9V
2.2 2.2 2.2 2.2
R477 R477
R477 R477
470k 470k 470k 470k
C201 C201 C201 C201
4.7 4.7 4.7 4.7
AUDIO-L AUDIO-L AUDIO-L AUDIO-L
C450 C450 C450 C450
4.7 4.7
4.7 4.7
AUDIO-R AUDIO-R AUDIO-R AUDIO-R
AUDIO-L AUDIO-L AUDIO-L AUDIO-L
AUDIO-R AUDIO-R AUDIO-R AUDIO-R
AUDIO-L AUDIO-L AUDIO-L AUDIO-L
AUDIO-R AUDIO-R AUDIO-R AUDIO-R
C475 C475 R479 R479
C475 C475 R479 R479
0.1 0.1 0.1 0.1 470k 470k 470k 470k
CN450 CN450 CN450 CN450
20P 20P
20P 20P
K BOARD IC VOLTAGES
IC403 16 4.5 7 4.7
pin volt 17 4.5 8 4.5
1 NC 18 4.5 9 4.5
2 4.5 19 NC 10 4.5
3 4.5 20 4.5 11 NC
4 4.5 21 4.5 12 4.5
5 4.5 22 4.5 13 4.5
6 4.5 23 4.5 14 1.0
7 4.5 24 4.5 15 4.5
8 4.5 16 0.9
IC404
9 4.5 pin volt 17 0.9
10 9.0 1 4.5 18 4.8
11 GND 2 4.5 19 4.9
12 0 3 4.5 20 GND
13 0 4 4.5 21 8.9
14 NC 5 4.5 22 NC
15 4.5 6 NC 23 NC
— 47 —
VB BOARD SCHEMATIC DIAGRAM
CN901 CN901
CN901 CN901
5P 5P 5P 5P
TO A BOARD TO A BOARD TO A BOARD TO A BOARD
CN506 CN506 CN506 CN506
VM OUT VM OUT VM OUT VM OUT 5 5 5 5
9V 9V 9V 9V 4 4 4 4
E E E E 3 3 3 3
NC NC NC NC 2 2 2 2
C912 C912 C912 C912
+B +B +B +B 1 1 1 1
470 470 470 470
25V 25V 25V 25V
L901 L901
L901 L901
JW(5mm) JW(5mm) JW(5mm) JW(5mm)
C909 C909 C909 C909
0.0047 0.0047 0.0047 0.0047
500V 500V 500V 500V
R478 R478 R478 R478
470k 470k 470k 470k
R480 R480
R480 R480
470k 470k 470k 470k
BA5-881-K BA5-881-K BA5-881-K BA5-881-K
24 1.3
25 1.3
26 4.4
A
27 3.9
28 4.5
29 4.5
30 NC
31 4.5
32 4.5 B
33 4.5
34 4.5
35 NC
36 4.5
37 4.5
C
38 4.5
39 4.5
40 4.5
All voltages are in V
C914 C914
C914 C914
R923 R923 R923 R923 0.047 0.047 0.047 0.047
47 47 47 47 :PT :PT :PT :PT
9V 9V
9V 9V
Q906 Q906 Q906 Q906
R920 R920 R920 R920
6.1V 6.1V
6.1V 6.1V 2SC3311 2SC3311 2SC3311 2SC3311
820 820 820 820
C913 C913 C913 C913
VM OUT VM OUT VM OUT VM OUT
0.001 0.001
0.001 0.001
R919 R919 R919 R919 R921 R921 R921 R921
10k 10k 10k 10k
100 100 100 100
5.7V 5.7V 5.7V 5.7V
R917 R917 R917 R917 R918 R918 R918 R918 5.7V 5.7V
9V 9V 9V 9V 5.7V 5.7V
1k 1k 1k 1k 100 100 100 100 5.4V 5.4V 5.4V 5.4V Q905 Q905 Q905 Q905
2SA1309A-QRSTA 2SA1309A-QRSTA
R916 R916 R916 R916 2SA1309A-QRSTA 2SA1309A-QRSTA
1k 1k
1k 1k VM OUT VM OUT VM OUT VM OUT
5.4V 5.4V 5.4V 5.4V
Q903 Q903 Q903 Q903
2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V
2SC3311 2SC3311 2SC3311 2SC3311
D903 D903 C911 C911 C911 C911
D903 D903
AMP AMP AMP AMP
R915 R915 R915 R915 100 100 100 100
1SS133 1SS133
1SS133 1SS133
1k 1k 1k 1k 1.8V 1.8V 1.8V 1.8V 10V 10V 10V 10V
TEMP-CORR TEMP-CORR R913 R913 R913 R913 1.8V 1.8V 1.8V 1.8V
TEMP-CORR TEMP-CORR Q904 Q904 Q904 Q904
68 68 R911 R911 R911 R911
68 68
2SC3311 2SC3311 2SC3311 2SC3311 68 68 68 68 R910 R910 R910 R910
R914 R914 R914 R914 AMP AMP AMP AMP 180 180 180 180
270 270 270 270 3W 3W 3W 3W
+B +B +B +B R912 R912 R912 R912 :RS :RS
:RS :RS
220 220 220 220
C910 C910 C910 C910
0.1 0.1 0.1 0.1
C907 C907
C907 C907
C908 C908 C908 C908 Q902 Q902 Q902 Q902 200V 200V 200V 200V Q901 Q901 Q901 Q901
33 33 33 33
470 470
470 470 2SA1837 2SA1837 2SA1837 2SA1837 :PT :PT :PT :PT 2SC4793 2SC4793 2SC4793 2SC4793 R902 R902 R902 R902
160V 160V 160V 160V R905 R905 R905 R905
10V 10V 10V 10V 2.7 2.7 2.7 2.7
VM.DRIVE.1 VM.DRIVE.1 VM.DRIVE.1 VM.DRIVE.1 1k 1k 1k 1k VM.DRIVE.2 VM.DRIVE.2 VM.DRIVE.2 VM.DRIVE.2
E E E E R909 R909 :FPRD :FPRD :FPRD :FPRD
R909 R909
:FPRD :FPRD :FPRD :FPRD
47 47 47 47
1/2W 1/2W 1/2W 1/2W
67.9V 67.9V 67.9V 67.9V 67.9V 67.9V
67.9V 67.9V 0.4V 0.4V 0.4V 0.4V
:FPRD :FPRD R907 R907 R907 R907
:FPRD :FPRD 135.4V 135.4V 135.4V 135.4V
D902 D902 D902 D902
D901 D901 D901 D901
2.7 2.7 2.7 2.7
MTZJ-T-77-39 MTZJ-T-77-39
:FPRD :FPRD :FPRD :FPRD MTZJ-T-77-39 MTZJ-T-77-39 MTZJ-T-77-39 MTZJ-T-77-39 MTZJ-T-77-39 MTZJ-T-77-39
0.9V 0.9V 0.9V 0.9V
134.9V 134.9V 134.9V 134.9V
R903 R903 R903 R903
R908 R908 R908 R908 C905 C905 C905 C905 R906 R906 R906 R906 R904 R904 R904 R904
560 560
560 560
560 560 560 560 0.047 0.047 0.047 0.047 18k 18k 18k 18k 18k 18k 18k 18k
:FPRD :FPRD :FPRD :FPRD
:FPRD :FPRD :FPRD :FPRD 200V 200V 200V 200V C906 C906 C906 C906 C904 C904 C904 C904
:PT :PT :PT :PT 0.001 0.001 0.001 0.001 :PT :PT :PT :PT 0.001 0.001 0.001 0.001 :PT :PT :PT :PT
C902 C902 C902 C902
C901 C901 C901 C901 0.047 0.047 0.047 0.047
2.2 2.2 2.2 2.2 :PT :PT :PT :PT
160V 160V 160V 160V
[VELOCITY MODULATOR]
1 2 3
— 48 —
KV-24FV12/25FV12/25FV12A/25FV12C
R922 R922 R922 R922
22 22
22 22
:FPRD :FPRD :FPRD :FPRD
CN902 CN902 CN902 CN902
8P 8P 8P 8P
8 8 8 8 Q.P.- Q.P.- Q.P.- Q.P.-
Q.P.- Q.P.- Q.P.- Q.P.-
7 7 7 7
6 6 6 6 Q.P.+ Q.P.+ Q.P.+ Q.P.+
5 5 5 5 Q.P.+ Q.P.+ Q.P.+ Q.P.+
E E E E
4 4 4 4
3 3 3 3 E E E E
2 2 2 2 VM VM VM VM
VM VM VM VM
1 1 1 1
R901 R901 R901 R901
47 47 47 47
:FPRD :FPRD :FPRD :FPRD
C903 C903 C903 C903
470 470 470 470
10V 10V 10V 10V
BA5-881-VB BA5-881-VB BA5-881-VB BA5-881-VB
4 5