Va Board - Sony KV-29FS13 Manual De Servicio

VA BOARD SCHEMATIC DIAGRAM
1 | 2
A
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
+B 1
R917
1k
L901
R916
1k
—
D903
R915
1SS133
1k
TEMP-CORR
C R914
270
+B
C909 C908
0.0047 470
10V
500V
E R909 GND01
47
—
1/2W
:FPRD R907
2.7
:FPRD
R908
560
:FPRD
D
(VELOCITY MODULATION)
| 3 | 4
9V
Q906
6.1V
R920
2SC3311
820
R922
VM OUT
22
R921 :FPRD
R919
10k
100
5.7V
5.7V
R918
5.4V
100
Q905
5.4V
2SA1309A
2.4V
2.4V
VM OUT
C911
1.8V
Q903
100
Q904 1.8V
10V
2SC3311
2SC3311
R911
R913 AMP
68
AMP 68
R912
220
C910
0.1
Q901
C907 Q902
200V
33
2SC4793
2SA1837 :PT R902
160V
R905
VM.DRIVE.2 2.7
VM.DRIVE.1
1k
:FPRD
:FPRD
67.9V 67.9V
135.4V 0.4V
D902 D901
MTZJ-T-77-39 MTZJ-T-77-39
134.9V 0.9V
R903
C905 R906 R904
560
0.047 18k 18k
:FPRD
C906 C904
200V
0.001 :PT 0.001 :PT
:PT
C902
0.047
C901 :PT
2.2
160V
VA
[VELOCITY MODULATION]
1 |
A
—
B
—
C
| 5 | 6
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
C805
0.033
D804 630V
RGP10GPKG23
S
R910
180
3W
:RS
R901
C903 47
470 :FPRD
10V
BA5-906-VA
2 | 3 |
— 39 —
| 7 | 8
CN904
4P
TO D BOARD
CN801
4 V MOD
V MOD
3
9V DRIVE
2
QP DRIVE
1
QP QP
Q.P.-
1
Q.P.-
2
Q.P.+
3
4 Q.P.+
E
5
6 E
VM
7
VM
8
CN902
8P
4 |
KV-29FS13 / 29FS13C
|
VM
VM