Sony TRINITRON KV-29FS12A Service Manual page 39

K Board Schematic Diagram
CN402
3P
TO MB BOARD
CN309
C419
1
C418 :CHIP
0.1
:CHIP
C417
R456
R455 4.7
22k
22k C416
4.7
C451
20 19 18 17 16 15 14
4.7
R443
220k
IC404 NJW1130G-TE2
C446
R435 100
21 22 23 24 25 26 27
220 JR474 16V
0
C415
4.7
9V
Q432
2SB709A
C414
BUFFER
4.7
R434
4.7k
C413
4.7
R438
220
R436
4.7k
C422
4.7 C412
0.1
:CHIP
Q433
2SB709A
BUFFER
JR408
0
R437
220
C423
4.7
9V
AUDIO-L
Q430
JR407
2SD601A R433
0 0
MUTE
Q431
R432
10k 2SD601A
MUTE
L410
C475
R431 0.1
10k
C440
C441
0.1
100
25V
F
(AUDIO PROCESSOR)
CN450
20P
TO A BOARD
CN460
K BOARD IC VOLTAGE LIST
IC404 6 4.5 13 4.5 20
pin volt 7 4.7 14 1.0 21
1 4.5 8 4.5 15 4.5 22
2 4.5 9 4.5 16 0.9 23
3 4.5 10 4.5 17 0.9 24
4 4.5 11 N/C 18 4.8 25
5 4.5 12 4.5 19 4.9 26
K BOARD TRANSISTOR VOLTAGE LIST
Q430 Q431 Q432
pin volt pin volt pin
B 0.3 B 0.3 B
C 0.0 C 0.0 C
E GND E GND E
C409
0.0015 B:CHIP
C410 R468
0.033 :CHIP 0
C408
0.22
:CHIP C411
0.0033
B:CHIP R403 R404 R470
C490 0 100 100
0
JW405
5MM
AUDIO-R
13 12 11 10 9 8 7 6 5 4 3 2 1
A
AUDIO PROCESSOR
28 29 30 31 32 33 34 35 36 37 38 39 40
AUDIO
C407
0.22
-L
:CHIP
B
AUDIO-L
C406
0.0015
B:CHIP
C405
0.033
:CHIP
C404
0.0033
B:CHIP C447
C
C202 JW(5mm)
R469 4.7
0
C450
4.7
R445
220k
C201
C458 4.7
JW(5mm)
AUDIO-R
R444
AUDIO
220k
-L
VA Board Schematic Diagram
2
1
R477 R446
220k 220k R478
220k
BA5-892-K
GND 27 3.9 34 4.5
8.9 28 4.5 35 4.5
NC 29 4.5 36 4.5
NC 30 N/C 37 4.5
1.3 31 4.5 38 4.5
1.3 32 4.5 39 4.5
4.4 33 4.5 40 4.5
All voltages are in V
Q433
volt pin volt
4.5 B 4.5
GND C GND
5.1 E 5.2
All voltages are in V
— 53 —
[AUDIO PROCESSOR]
1 2
1-678-026-13
CN402
C457 171846413
C455 C424
C426
JR407
A
C456 13
R459
JR426
24
R456
IC403
C446
1
JR427
S.R.S 12
C430
C431
C415
C412
C428
C432
C413
1
C405
R469
IC404
B
AUDIO PROCESSOR
C404
40 C406 21
JR420
R410
C490
C410 C408 R435
R403 1 20
C419
C411
Q432
C201
C409
C451
C418 C423 R434
C
R409
C422
C450
R443
R438
R437
R404 Q433
R439
20 C440
R436
1
R433
R479 CN450 R432 Q430
JR429 Q431
R431
CN901
5P
TO A BOARD
C914
CN506
R923 0.047
47 :PT
VM OUT 5 9V
9V
4
C912 C913
E 3
470 0.001
25V
NC 2 6.1V
R920
820
+B 1
R917 R921
R919
1k 10k
100
R918
5.4V
L901 100
R916
1k 5.4V
2.4V
2.4V
D903
1.8V
Q903
R915
1SS133
Q904 1.8V
1k 2SC3311
TEMP-CORR
2SC3311 R911
R913 AMP
68
AMP 68
R914
270
+B R912
220
C910
0.1
C907 Q902
C909 C908 200V
33
2SA1837
0.0047 470 :PT
160V R905
500V 10V VM.DRIVE.1
1k
E R909 GND01
:FPRD
47
1/2W
67.9V 67.9V
:FPRD R907
135.4V
D902 D901
2.7
:FPRD MTZJ-T-77-39 MTZJ-T-77-39
134.9V
R908 C905 R906
560 0.047 18k
C906 C904
:FPRD 200V
:PT 0.001 :PT 0.001 :PT
C901
(VELOCITY MODULATION)
2.2
160V
[VELOCITY MODULATION]
1 2 3
D806
1SS133T-77
D805
1SS133T-77
6.8V
9V
R876
C811
1k L802
0.047
10mH L801
200V
Q808 10mH
2SB734
0.6V
9V DRIVE
D807 R826
ERA82-004TP5
2.2k
Q807
R818
IRF614 100
QP-H-OUT
6.8V
6.4V
Q906
C805
2SC3311 0.033
R922 D804 630V
VM OUT
22 RGP10GPKG23
S
:FPRD
5.7V
5.7V
Q905
2SA1309A
VM OUT
C911
100
10V
R910
Q901
180
2SC4793
R902 3W
VM.DRIVE.2 2.7 :RS
:FPRD
R901
C903 47
0.4V
470 :FPRD
10V
0.9V
R903
R904
560
18k
:FPRD
C902
0.047
:PT
BA5-892-VA
— 54 —
KV-29FS12A
4 5
CN904
4P
TO D BOARD
CN801
4 V MOD
3 V MOD
9V DRIVE
2
QP DRIVE
1
QP QP VM
1 Q.P.-
VM
2 Q.P.-
3 Q.P.+
4 Q.P.+
5 E
E
6
VM
7
8 VM
CN902
8P