DOWNLOAD Sony KV-28FQ70B Service Manual ↓ Size: 36.2 MB | Pages: 78 in PDF or view online for FREE

Model
KV-28FQ70B
Pages
78
Size
36.2 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-28fq70b.pdf
Date
PREV: Sony KP-44DX2U Service Manual

Sony KV-28FQ70B Service Manual ▷ View online

A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
- 45 -
~ D2 Board Schematic Diagram [ Dynamic Picture Stabilizing Circuit ] ~
2SC2412K-T-146-R
Q6801
2SC2412K-T-146-R
Q6802
2SC1623
Q6803
XX
C6801
1/10W
CHIP
220k
R6802
50V
PT
0.01
C6802
1/10W
CHIP
47k
R6801
1/10W
CHIP
4.7k
R6803
4.7K
R6804
1/4W
RN
330k
R6805
1/4W
RN
330k
R6806
1/4W
RN
330k
R6807
0.047
C6803
50V
10
C6805
63V
22
C6806
50V
PT
0.1
C6807
D1NL40-TA2
D6800
35V
47
C6808
RN-CP
33
R6808
50V
2200p
B
C6809
RN-CP
100
R6809
8.2k
R6812
1/10W
CHIP
10k
R6815
1/10W
10k
R6816
JW6800
15
50V
47
C6813
1SS119-25TD
D6803
1/4W
FPRD
4.7
R6818
8
7
6
5
4
3
2
1
NJM2903M-TE2
IC6801
35V
47
C6814
1/10W
22k
R6820
1/10W
CHIP
22k
R6821
50V
PT
0.01
C6815
50V
10
C6816
1/4W
3.3k
R6823
50V
PT
0.1
C6820
2SC1623
Q6807
50V
10
C6821
1/10W
RN-CP
100k
R6828
50V
33
C6822
1/10W
CHIP
47k
R6829
1SS119-25TD
D6811
XX
R6831
1SS119-25TD
D6813
2SC1623
Q6808
R6833
10K
16V
C6823
100
CHIP
1k
R6834
1SS119-25TD
D6815
1/10W
RN-CP
1k
R6841
50V
PT
0.1
C6825
R6842
XX
XX
RV6801
1/10W
RN-CP
820
R6843
1/10W
15k
R6844
8
7
6
5
4
3
2
1
NJM2904M(TE2)
IC6802
RD15ESB2
D6816
50V
220
C6826
RN-CP
2.2k
R6845
1/10W
RN-CP
7.5k
R6846
4.7k
RV6800
0.3W
D1NL20U-TR
D6817
100V
C6827
0.01
1/10W
CHIP
470
R6848
160V
4.7
C8929
3.3mH
L8901
630V
0.0022
C8930
PP
ERA22-08
D8919
1/2W
100k
R8954
1/2W
100k
R8955
1/2W
100k
R8956
630V
0.022
C8932
PT
RN-CP
4.7K
R8957
XX
R6862
XX
R6863
2SB709A-QRS-TX
Q6813
DTC114EKA
Q6814
1/10W
15k
R6865
1/10W
CHIP
100
R6867
25V
0.01
C6834
2SB709A-QRS-TX
Q6815
DTC114EKA
Q6816
16V
0.22
C6835
1/10W
10k
R6869
1/10W
220k
R6870
1
10
2
5
6
4
8
107uH
L6802
250V
220
C6824
RD15ESB2
D6801
RD15ESB2
D6802
S
IRFI644G-LF36
Q6804
S
IRFI644G-LF36
Q6805
1kV
330p
R
C6811
1kV
330p
C6810
800V
PP
0.047
C6812
RD5.1ESB2
D6806
1/4W
FPRD
0.47
R6872
D1NL20U-TR
D6822
1/4W
15k
R6873
50V
MPS
0.1
C6836
RN-CP
220k
R6874
200V
PP
0.1
C6837
1/10W
CHIP
3.3M
R6875
2kV
220p
C8938
2kV
150p
C8939
1/4W
RN
470k
R6876
1/4W
RN
470k
R6877
1/10W
CHIP
1k
R6878
50V
PT
0.1
C6840
50V
0.001
C6842
1SS119-25TD
D6824
2SB709A-QRS-TX
Q6817
1
2
3
4
5
6
7
8
WHT
8P
CN6800
1/10W
CHIP
47k
R6882
15V
15V
12V
12V
12V
12V
3W
RS
8.2k
R8950
3W
RS
8.2k
R8949
3W
RS
8.2k
R8951
1/10W
RN-CP
47
R6883
135V
Q6812
XX
135V
135V
13k
R6884
1/10W
47k
R6885
1/4W
FPRD
10
R6813
1/4W
FPRD
10
R6814
1/4W
FPRD
1k
R6810
1SS119-25TD
D6823
SG6800
XX
R6886
1SS119-25TD
D6825
CHIP
47k
R6832
1/10W
10
R6868
1/10W
RN-CP
1k
R6847
1
CN6803
TAB(CONTACT)
GND
1/2W
47k
R6880
1/2W
R6881
10k
MTZJ-30C
D6814
15
JW6805
1/2W
100k
R8988
1/4W
10k
R8989
100V
0.01
C8944
DTC144EKA
Q8918
39k
R8990
12k
R8991
35V
47
C8945
1SS133
D8927
12V
X_RAY
X_RAY
18
16
15
14
12
11
10
987654321
MCZ3001D
IC6800
Vsense
F/B
Ct
Rt
GND
Timer
SS
VC1
OCP
VC2
P.GND
VG(L)
VB
VS
VG(H)
VD
MTZJ-7.5B
D6820
50V
4.7
C6848
1/10W
470k
R6897
R6817
2W
RS
0.1
3W
RS
8.2k
R8952
XX
R8998
1/10W
CHIP
33k
R6896
1/2W
RF
0.1
R6811
50V
470p
C6849
1/4W
RN
12k
R6839
1/4W
RN
10k
R6838
1/4W
RN
15k
R6837
1/4W
RN
15k
R6836
1/4W
RN
3.3k
R6835
R6827
1/10W
220k
RN-CP
D6821
RD18ESB2
16V
0.1
C6850
XX
R6899
XX
C6851
D6828
XX
10
JW6806
10
JW6807
R6825
510k
1/10W
RN-CP
R6826
XX
XX
D6829
3
1
2
TL1431CZ-AP
IC6807
500V
330p
C8952
54
3
2
1
TLV431AIDBV
IC6803
NC
NC
CATHODE
REF
ANODE
1SS119-25TD
D6831
16V
100
C6853
D6830
XX
1
2
3
4
5
6
8
T8901
R6819
XX
S
STP5NB40(033Y)
Q8909
R6849
XX
R6850
XX
0uH
FB6801
1
CN6802
XX
GND
XX
C6817
XX
C6818
D6804
1
3
4
5
6
7
8
9
10
11
10P
CN6801
+15V
+12V
H-PROT
HOP OVP
AFC PULSE
DF DRIVE
ABL
GND
GND
GND
XX
JR6802
XX
JR6803
XX
JR6804
XX
JR6805
XX
JR6806
XX
JR6807
XX
JR6808
XX
JR6809
XX
JR6810
XX
JR6811
XX
JR6812
XX
JR6813
1/4W
330
R6887
R6840
5MM
0.1
C8953
25V
0.01
C6852
1
2
3
CN6804
3P
R
Y
 SIGNAL
NC
GND
XX
R6851
100k
R6852
FB8901 XX
9
8
5
10
6
17
11
12
HV
7
16
4
3
1
FV
14
G2
13
15
18
19
2
T6800
39K
R6894
JW6832
XX
XX
R6895
0
JR6814
0
JR6895
JR8953
5
JW6810
D6832
1SS119-25
7.5
JW6833
5MM
JW8901
7.5
JW6835
5
JW6830
100V
680p
C6804
800V
PP
0.01
C6843
XX
FB6802
XX
JR6815
XX
JR6816
JW6829
12.5
XX
D6810
+135V
+135V
NC
GND
GND
NC
+200V
+200V
TO G BOARD
TO A BOARD
SS RESET
HV OVERSHOOT PROTECT
DYNAMIC FOCUS
ABL PROTECT
OVP
AFC PULSE DETECT
UNDER VOLTAGE
PROTECTION
D2..-28FQ70
D2
TO M2 BOARD
    CN0003
CN6010
XX
1/10W
XX
CN5802
DYNAMIC PICTURE STABLIZING CIRCUIT
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
+200V
+200V
+12V
+12V
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
- 46 -
10us/div
2.44 Vp-p (V)
TP1
10us/div
148 Vp-p (V)
TP2
10us/div
152 Vp-p (H)
TP4
10us/div
1.12 kVp-p (H)
TP5
10us/div
5.56 Vp-p (H)
TP6
10us/div
1.84 kVp-p (H)
TP7
10us/div
242 Vp-p (H)
TP8
5ms/div
2.12 Vp-p (H)
TP9
2ms/div
106.4 Vp-p (H)
TP10
10us/div
2.36 Vp-p (H)
TP3
~ D Board Waveforms ~
e
l
b
a
T
e
g
a
t
l
o
V
C
I
o
N
f
e
R
o
N
n
i
P
)
V
(
e
g
a
t
l
o
V
0
0
1
8
C
I
1
3
.
0
2
3
.
4
3
1
.
4
5
1
.
4
6
0
.
3
7
4
.
0
1
0
1
8
C
I
1
3
.
0
2
3
.
4
3
4
.
4
5
4
.
4
6
0
.
3
7
4
.
0
2
0
1
8
C
I
1
1
.
4
2
4
.
0
3
4
.
0
5
4
.
0
6
4
.
0
7
4
.
0
3
0
1
8
C
I
1
5
.
2
2
1
.
2
3
7
.
1
5
6
.
1
6
0
.
1
7
1
.
1
~ D Board IC Voltage Table ~
f
e
R
)
s
(
)
e
(
)
g
(
)
b
(
)
d
(
)
c
(
f
e
R
)
s
(
)
e
(
)
g
(
)
b
(
)
d
(
)
c
(
f
e
R
)
s
(
)
e
(
)
g
(
)
b
(
)
d
(
)
c
(
f
e
R
)
s
(
)
e
(
)
g
(
)
b
(
)
d
(
)
c
(
0
0
1
8
Q
0
6
.
0
6
.
3
0
1
1
8
Q
4
.
2
1
.
3
0
8
2
1
8
Q
4
.
3
5
.
1
9
.
8
1
0
8
8
Q
0
4
.
0
7
.
4
6
1
0
1
8
Q
0
6
.
0
3
.
4
3
1
1
8
Q
3
.
0
2
.
0
9
.
8
2
3
1
8
Q
0
0
4
.
3
2
0
8
8
Q
0
4
.
0
2
.
3
7
2
0
1
8
Q
0
3
.
0
3
.
4
5
1
1
8
Q
6
.
8
9
.
8
0
5
3
1
8
Q
6
.
2
2
.
3
9
.
8
7
0
8
8
Q
0
3
.
6
0
3
0
1
8
Q
0
.
4
0
9
.
8
8
1
1
8
Q
0
0
0
.
5
6
3
1
8
Q
5
.
2
8
.
1
0
8
1
8
8
Q
0
0
0
.
5
4
0
1
8
Q
0
4
.
0
1
.
3
9
1
1
8
Q
7
.
0
4
.
1
0
7
3
1
8
Q
8
.
1
5
.
2
9
.
8
2
2
8
8
Q
5
.
5
9
.
4
0
5
0
1
8
Q
0
4
.
0
2
.
3
0
2
1
8
Q
7
.
0
3
.
2
0
1
0
2
8
Q
0
6
.
0
9
.
3
3
2
8
8
Q
9
.
8
5
.
8
0
6
0
1
8
Q
0
3
.
0
3
.
4
2
2
1
8
Q
5
.
0
4
.
1
0
2
0
2
8
Q
0
8
.
0
4
.
3
5
0
8
8
Q
0
5
.
2
3
3
7
0
1
8
Q
0
3
.
0
2
.
4
3
2
1
8
Q
5
.
0
4
.
1
0
3
0
2
8
Q
4
.
1
9
.
0
0
6
0
8
8
Q
0
2
.
1
5
3
1
8
0
1
8
Q
4
.
2
2
.
3
0
7
2
1
8
Q
4
.
1
5
.
1
0
5
5
4
8
Q
1
.
1
7
.
1
9
.
8
1
5
8
8
Q
0
4
.
5
5
.
1
8
~ D Board Semiconductor Voltage Table ~
~ D Printed Wiring Board Conductor side ~
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
- 47 -
~ D Board Schematic Diagram [ Deflection ] ~
- 48 -
5-4. SEMICONDUCTORS
CXAB070AP
MCZ3001D
18
9
1
10
CXA1875AM-T4
( TOP  VIEW )
1
8
16
9
CXA2100AQ-TL
1
(TOP VIEW)
19
20
32
51
33
64
52
K6T2008V2E-YF70T
1
16
17
32
LA6500-FA
LM318P
LM358N
LM393DT
LM393N
M24C16-MN6T(A)
LM78L05ACZ
MSP3411G-QA-B11
8
7
6
5
1
3
4
2
IN
GND
OUT
68
61
60
1
52
44
43
35
27
26
18
10
9
( TOP VIEW )
NJM3404AD-W
UPC4558G2
( TOP  VIEW )
1
4
8
5
PQ30RV11
1
1  :  V IN        
2  :  V OUT    
3  :  GND
4  :  ON/OFF CONTROL
2
3
4
PST573IMT
-
+
1
3
2
Vcc
Out
Gnd
1
2
3
SAA5665HL/M1D/0358
SDA9488X-B23GEG
1
100
25
26
50
51
75
76
1
14
15
28
SBX3081-51(30)
STV9379
7
1
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