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Video Section - Sony TRINITRON KV-VF21M40 Service Manual

Color video tv, bc-4a chassis
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1
2
3
4
5
A
C709
0.047
CV
F
2
4
6
B
IC701
( RGB OUT, VM )
TDA6101Q/N3
VIDEO-AMP
CN701
D714
7P
1SS119
WHT
1
3
5
VB-RECT
:S-MICRO
R711
3.6
3.4
2.4
9V
1
2.2k
C706
GND
2
24p
R
D713
CH
MTZJ-3.9A
C708
GND
3
1
R
1
C
R
4
G
G
R709
R718
R725
5
1.2k
68k
3.3k
2W
B
6
D707
D704
:RS
D705
IK
7
2
B
1SS119
1SS119
1SS119
SLICE
SLICE
SLICE
C715
TO A BOARD
139.7
R704
0.047
F
CN305
3
470
2
4
6
:RN
R710
C703
IC703
47
470
TDA6101Q/N3
10V
:RN
VIDEO-AMP
D
1
3
5
C705
24p
CH
3.6
3.4
2.3
G
R708
R720
R729
1.2k
3.3k
68k
3W
:RS
9V
C702
C714
100
16V
0.047
F
2
4
6
E
IC702
TDA6101Q/N3
VIDEO-AMP
1
3
5
C704
C712
3.6
3.4
2.3
15p
CH
0.047
F
B
Q701
2SA1309A
R707
F
R719
R727
1.2k
3.3k
R701
IK BUFFER
68k
100
3W
:RS
2.3
D701
C701
2.1
MTZJ-3.9A
470p
CN961
2.1
B
SLICE
6P
R713
WHT
R712
10k
2.2k
:S-MICRO
VM SW
6
VM OUT
5
9V
4
C962
E
R962
0.047
3
G
-2
100
:PT
+B
2
9V
+B
1
R981
6.1
C972
R966
820
TO A BOARD
470
1k
16V
CN306
R977
-2
R978
100
10k
R980
5.4
100
R968
+B
1k
2.4
2.4
Q962
L961
2SC3311A
C980
D964
47µH
1SS119
R963
AMP
47
H
:LAV35
10V
TEMP-CORR
1k
1.8
Q961
R970
1.8
-2
2SC3311A
R973
68
R967
AMP
68
270
-2
R971
220
C961
-2
C970
C964
C963
0.0047
33
0.1
470
200V
500V
160V
Q963
E
10V
-2
:PT
2SA1837
R975
-2
134.3
1k
VM.DRIVE.1
:FPRD
R964
D967
D968
47
R969
67.1
1/2W
2.7
MTZJ39
MTZJ39
:FPRD
:FPRD
133.8
DC BIAS
DC BIAS
CN503
I
5P
R965
C968
R972
BLK
18k
560
0.047
:S-MICRO
:FPRD
200V
:PT
C978
C979
0.001 :PT 0.001 :PT
12V
1
NS
2
C969
2.2
R501
160V
-2
STBY5V
3
27
12V
8
1/2W
9V
4
R549
GND
5
10k
6.9
R559
TO A BOARD
6.9
JW(5)
6.9
CN605
R546
D505
10k
5
6
7
8
J
1SS119
D504
IC502
1SS119
M5216P
Q537
4.1
N/S OUT
2SC3311A
0.5
PWM AMP
6.9
R538
4
3
2
1
R550
10k
22k
0
C511
0
10
6.8 6.8
R537
10k
6.8
Q531
2SC3311A
R539
R545
R551
N/S MUTE
22k
22k
10k
0
0
K
0.6
Q538
2SC3311A
R556
R555
N/S MUTE
C512
100k
47
100k
0
10V
CV BOARD : IC701,702,703 TDA6101Q/N3
supply voltage
feedback
input HIGH
output
6
9
7V
MIRROR
MIRROR
FOLLOWERS
V bias
C par
INV IN
3
DIFFERENTIAL
STAGE
NON-INV IN
1
+
CURRENT
MIRROR
MIRROR
SOURCE
4
2
GND
supply voltage
input LOW
Schematic diagram
<
<
A
<
<
<
board
– 91 –
All manuals and user guides at all-guides.com
6
7
8
9
10
11
TO A BOARD
T801(FBT)
FV
CN704
1P
TO A BOARD
KG
KB
G2
1
1000V
T801(FBT)
D702
G2
C720
RED.OUT
G2
1SS119
4700p
R738
2kV
149.0
D703
100k
1SS119
J701
1/2W
1
200V
L701
H
8
G4
C721
C719
22µH
2
NC
0.001
G2
22
250V
:EL0607
TO A BOARD
B
1
3
G1-1
3
GND
4
RCV
CN803
4
NC
150.3
R734
13
5
H1
100
RV701
5
H1
110M
H2
CV KR G1 G4 HV
1/2W
6
R740
CN703
0.56
7
9
11
7
5P
G1-2
2W
G1-3
10 9
8
:RS
RED
R733
R702
C716
1k
KR
KB
:S-MICRO
148.5
7
470k
560p
1/2W
KG
500V
H-STAT
1/2W
B
R
G
6
D711
4
HSS83TD
PROTECT
B
C707
4.7
GREEN.OUT
250V
5
8
CN702
1P
140.1
1
E
7
9
C718
139.0
560p
R732
500V
1k
B
1/2W
:RC
D710
HSS83TD
PROTECT
BLUE.OUT
C711
4.7
140.3
250V
8
140.8
7
9
R731
C717
1k
560p
139.5
1/2W
500V
:RC
B
D709
HSS83TD
200V
PROTECT
C710
4.7
250V
Q967
2SC3311A
BUFFER
5.7
Q968
R986
2SA1309A
22
BUFFER
:FPRD
-2
CN962
3P
WHT
:S-MICRO
3
VM
R974
180
2
NC
3W
Q965
VM
:RS
2SC4793
1
E
-2
VM.DRIVE.2
-2
67.0
TO NECK ASSY
C975
R985
0.4
R982
470
47
2.7
:FPRD
10V
:FPRD
-2
-2
0.9
R979
R976
C973
18k
560
0.047
:FPRD
:PT
-2
CN551
3P
BLK
:S-MICRO
1
NS-
2
N.C
NS
3
NS+
COIL
TO DY
R511
22
1W
:RS
B-SS8848<HK.>-CV.-15
cathode
7
transient
CV BOARD : IC502 M5216P
output
VCC
OUT2
IN2–
IN2+
cathode
8
7
6
5
8
DC output
5
black current
2
+
measurement
output
+
1
1
2
3
4
OUT1
IN1–
IN1+
VEE
Schematic diagrams
CV , F
,
,
,
boards
,
,
– 92 –
12
13
14
15
16
F
(AC FILTER)
V901
CN901
R902
2P
F901
PICTURE
1.2
:VH
5A
10W
250V
:RB
TUBE
AC IN
1
T902
1
T901
C901
LFT
AC IN
2
LFT
2
R901
0.1
1
2
250V
1M
C902
:AC
3
1/2W
0.1
AC IN
250V
4
:AC
5
TO A BOARD
CN903
1P
T801(FBT)
:TAB
4
3
HV
GND
1
C903
TO A BOARD
0.0047
250V
CN604
B-SS8848<HK.>-F..
CV BOARD WAVEFORMS
CV
1
1
2
PAL/SECAM
NTSC
PAL/SECAM
[RGB OUT,VM]
3.0Vp-p (H)
3.0Vp-p (H)
3.0Vp-p (H)
– F BOARD –
2
3
3
NTSC
NTSC
PAL/SECAM
3.0Vp-p (H)
3.0Vp-p (H)
3.0Vp-p (H)
4
4
5
PAL/SECAM
NTSC
PAL/SECAM
100Vp-p (H)
100Vp-p (H)
100Vp-p (H)
5
6
6
NTSC
PAL/SECAM
NTSC
100Vp-p (H)
100Vp-p (H)
100Vp-p (H)
7
8
– CV BOARD –
24.0Vp-p (H)
1.4Vp-p (5msec)
NOTE:
The circuit indicated as left contains high voltage of over
600 Vp-p. Care must be paid to prevent an electric shock in
inspection or repairing.
17
18
CN902
5P
:VH
AC
NC
NC
NC
AC NUET
TO A BOARD
CN601
F
[AC FILTER]
– 93 –

VIDEO section

– 94 –

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