K Board Schematic Diagram - Sony TRINITRON KV-27FS12 Service Manual

KV-27FS12/27FS16/29FS12/29FS12C

K BOARD SCHEMATIC DIAGRAM

CN402
3P
TO MB BOARD CN309
C419
1
C418
:CHIP
0.1
:CHIP
C417
R455 4.7
R456
100 C416
100
4.7
JW405
5MM
20 19 18 17 16 15 14 13
R451 R450
100 100
C451
4.7
IC404 NJW1130G-TE2
21 22 23 24 25 26 27 28
C446
100
9V
16V
AUDIO-L
C415
4.7
C422
C414
4.7 JW406
4.7
10MM
C413
4.7
C412
C423
0.1
4.7 :CHIP
R219
4.7k
AUDIO-L
C460
JW(5mm)
JW408
15MM
C450
4.7
9V AUDIO-L AUDIO-R
C475
0.1
L410
AUDIO PROCESSOR
CN450
20P
TO A BOARD CN460
K BOARD IC VOLTAGES
IC404 6 NC 13
pin volt 7 4.7 14
1 4.5 8 4.5 15
2 4.5 9 4.5 16
3 4.5 10 4.5 17
4 4.5 11 4.5 18
5 4.5 12 4.5 19
Board & Boards
CN451
2P
C409 C411
0.0015 B:CHIP 0.0033 B:CHIP
R403
C408 C410
100
0.22 0.033 :CHIP
:CHIP
R409 R404
JW403
AUDIO-R
7.5MM 100 100
AUDIO-R
12 11 10 9 8 7 6 5 4 3 2 1
AUDIO PROCESSOR
29 30 31 32 33 34 35 36 37 38 39 40
R406
100
:CHIP
AUDIO-L
C404
0.0033
B:CHIP
AUDIO-R
AUDIO-R
C405
0.033
R405
:CHIP
100
C406
0.0015
B:CHIP R410
100
C407
0.22
:CHIP R220
4.7k
C447
2.2
R408
100
R478
470k
C448
2.2
C202
4.7
R407 R477
JW407 C458 100 470k
12.5MM JW(5mm) :CHIP
C201
4.7
AUDIO-L
AUDIO-R
R479 R480
470k 470k
BA5-882-K
4.5 20 GND 27 3.9 34 4.5
1.0 21 8.9 28 4.5 35 NC
4.5 22 NC 29 4.5 36 4.5
0.9 23 NC 30 4.5 37 4.5
0.9 24 1.3 31 4.5 38 4.5
4.8 25 1.3 32 4.5 39 4.5
4.9 26 4.4 33 4.5 40 4.5
All voltages are in V
— 53 —
[AUDIO PROCESSOR]
1 2
A
B
C
VA BOARD SCHEMATIC DIAGRAM
CN901
5P
TO A BOARD
C914
CN506
R923 0.047
47 :PT
VM OUT 5
9V 4
C912 C913
E 3
470 0.001
25V
NC 2
+B 1
R917
1k
L901
R916
1k
2.4V
D903
R915
1SS133 1.8V
1k
TEMP-CORR Q904
R913
2SC3311
68
AMP
R914
270
+B R912
220
C907
C909 C908
33 Q902
0.0047 470
160V
2SA1837
500V 10V
VM.DRIVE.1
E R909
47
1/2W
:FPRD R907
135.4V
2.7
:FPRD
134.9V
R908 C905
560 0.047
:FPRD 200V
:PT
[VELOCITY MODULATOR]
1 2 3
A
B
C
D806
1SS133T-77
D805
1SS133T-77
9V R876 6.8V
C811
1k L802
0.047
10mH
200V
Q808
2SB734
9V DRIVE 0.6V
D807 R826
ERA82-004TP5 2.2k
R818
9V
100
Q807
IRF614
6.8V
QP-H-OUT
6.4V
C805
R920
6.1V Q906 0.033
820
D804
2SC3311 R922 200V
22 RGP10GPKG23
VM OUT S
R921 :FPRD
R919
100 10k
5.7V
R918 5.7V
100 5.4V
5.4V Q905
2SA1309A-QRSTA
Q903
VM OUT
2.4V
2SC3311
AMP
C911
100
10V
R911
1.8V
68
C910
0.1 R910
200V 180
Q901
:PT R902 3W
R905 2SC4793
2.7 :RS
67.9V 1k 67.9V
VM.DRIVE.2
:FPRD
:FPRD
R901
C903 47
D902 D901 0.4V
470 :FPRD
10V
MTZJ-T-77-39 MTZJ-T-77-39
0.9V
R903
R906 R904
560
18k 18k
C906 C904 :FPRD
0.001 :PT 0.001 :PT
C902
0.047
C901 :PT
2.2
160V
— 54 —
4 5
CN904
4P
TO D BOARD CN801
L801
10mH
4 V MOD
3 V MOD
9V DRIVE
2
1 QP DRIVE
QP QP VM
1 Q.P.-
VM
2 Q.P.-
3 Q.P.+
4 Q.P.+
5 E
6 E
7 VM
8 VM
CN902
8P
BA5-882-VA