Sony KV-EF34M31 Service Manual page 63

1 2 3 4 5 6
A
B
C3801
10
VCC
IC3807
GND
SENSOR UNIT
2.6 MIU-102-N
REF NC
1.7
C X OUT REG 5V
NC NC
R3846
1k Q3811
2SC2785
D
3.2 BUFFER
C3805
10
R3805
3.2
1.8k
R3847
1 2 3
100
R3807
2.6
470
2.5
R3848 R3804
Q3810
1k 9.1k
2SA1175
BUF
E
R3851 R3852
JW(5MM) 100k
R3809
75k
+5V
D3805
R3802 R3803 C3819 R3814
1.7
1SS119 SW 1k 1k 1 330
F
0 0
DEGAUSS 1
5.1
1.6
R3839
GND 2 0
10k 0
7V 3
Q3808 R3854
11V 4 Q3807 DTC144ES 10k 2.4
DTC144ES
BUFFER
BUFFER
Q3812
CN3802 2SC2785 2SC2785
C3804 C3816
N/S DRIVE MUTE N/S DRIVE MUTE
4P 0.01 10
G
BLK B
:S-MICRO
TO A BOARD
CN510
H
I
DH BOARD * MARK LIST
KV-EF34M80(ME)
Ref. No.
J KV-EF34M90(HK)
R3805
– 99 –
7 8 9 10 11 12
TO B BOARD TO A BOARD
CN1301 CN306
JW5901
10MM
DH
R5927
820
C5900
560p
(N/S COIL DRIVE)
IC3805
LA6510
N/S DRIVE
TO COILS
1 N/S(B)
4 5 6 7 8 9 10 2 N/S(E)
3 N/S(E)
CN3803
R3828 3P
0.47 WHT
R3825 :FPRD
:S-MICRO
1k
C3822
R3850 0.1
:MPS
JW(5MM)
R3823
R3808
15
150k
R3849
0.47
:FPRD
R3810 R3845
4.7k 4.7k
+7V
VM2
Q3809 (VELOCITY MODULATION)
C3807
0.01
B
B-¥SS8700<GE.>-DH
KV-EF34M90(JE) KV-EF34M31(OCE)
KV-EF34M91(ME) KV-EF34M61(GE)
1.8k 1/4W 2.7k 1/4W
# : Not Used
– 100 –
13 14 15 16 17 18
CN5901
7P
:S-MICRO
Q5908 Q5909
C5919
2SC2785 0.001 2SC2785
C5902
:PT
330 BUFFER BUFFER
+9V
16V
:HT
Q5905
R5930 2.7 R5917 2SC2785
C5906
1.5k 1.2k 5.6 BUFFER
0.047
:PT
R5924
D5909 D5910 D5906
22
1SS119 33 R5918 E
R5901 1SS119 :FPRD
C5920 R5933 10k 4.9
47 BIAS
5mm 1k
D5907
33
R5932
L5901 R5931
47k BIAS R5929
47µH 470 4.9
5MM
C5922
4.2
0.6 10
C5921
16V
0 R5907 47p
Q5904
1k
Q5901 2SA1175
R5906 2SC2785
BUFFER
1k 8.1
AMP
0
2.7
Q5903 4.2
Q5907
D5901 2SC2785
R5905 2.7
2SD2144S
1SS119 1k AMP
2.0
TEMP-CORR
R5910
C5914
68 R5914
100
R5904 68
2.0 16V
180
R5909
220
C5907 Q5902 C5912 R5921
C5905
33 0.1 270 R5923
470 2SA1837
+B 160V 200V 3W 1.5
10V VM.DRIVE.1 56.5 0
:PT :RS :FPRD
C5903 R5903 R5908 56.5 D5904 Q5906
135.8 D5902 R5919
0.0047 22 1.5
1k RD39ES-T1B 2SC4793
500V :FPRD RD39ES-T1B 0
1/2W 135.6 R5911 :FPRD DC.BIAS VM.DRIVE.2
E DC.BIAS
18k
C5917 R5925
470
22
R5920 R5922 10V
R5902
18k 560
560
C5908 C5910 C5911 C5913
:FPRD C5916
0.047 0.001 2.2 0.001
0.047
200V :PT 160V :PT
:PT :PT
:HT
– 101 –
DH
19 20 21 [N/S COIL DRIVE]
– VM2 BOARD –
NECK ASSY
QP QP VM
Q.P.-
Q.P.+
E
VM
CN5904
8P
– DH BOARD –
1 QP-
2
QP-
3
QP+
4 QP+
5 E
6 E
7 VM
8 VM
TO D2 BOARD CN2821
3
QP-
2
NC
1 QP+
CN2801
3P
BLK
:S-MICRO
B-¥SS8700<GE.>-VM2
VM2
[VM OUT]
– 102 –