C Board Schematic; D2 Board Schematic - Sony TRINITRON KD-28DX50U Service Manual

A B C
~ C Board Semiconductor Voltages ~
1
R f e A n o d e C a h t o d
D 7 0 1 0 7 . 0
D 7 0 2 1 5 4 4 . 1 9 9 4 .
D 7 0 3 0 0
D 7 0 5 0 0 7 .
2
3
C..-28/32DX50
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
C
4
R,G,B OUT
4
3 5
RV702
5
110M
1
13
10
11
J701
CN702
1P TP4
GND
1
6
7 1 2 3
D710
RD6.8ESB2
D709
TP1
RD6.8ESB2
CN703
8
7P
TP2
WHT
R IN 7
G IN 6
B IN 5 D708
TO A BOARD (3/4) RD6.8ESB2
8V 4
CN003
GND
3 TP3
1K 2
NS CORRECT 1
R1805
10k C1803
R1806
1/4W 0.022
TP7 680k
9
50V
1/4W
F
NS CORRECT
1
NC 2
NC 3
CN705
XX
10
R1802
XX
~ C Board Schematic Diagram [ R-G-B Out ] ~
11
All manuals and user guides at all-guides.com
D E F
e R f e A n o d e C a h t o d e R f e A n o d e C a h t o d e
D 7 0 6 1 3 1 8 . 1 9 9 4 . D 7 1 0 0 2 6 .
D 7 0 7 1 3 6 7 . 1 9 9 4 . D 1 8 0 1 0 8 0 .
D 7 0 8 0 3 1 . D 1 8 0 2 0 3 8 .
D 7 0 9 0 3 0 . D 1 8 0 3 0 4 2 .
R704
0.47
R728
2W
5.6
RS 1/4W
D704 D705
XX EL1Z
C704
R703
4.7
1M
250V
1/4W
C706
0.001
D703
500V
EL1Z
B
6
R718
7
R724
33k C708
1/2W XX
4700p
8
RC
2kV
E
9
TP6 RV701 R709
XX XX
R722
XX
TP5
R726 1W RS
1k
SG703
XX
R712 1k 1W RS
SG702
B
XX
R705 1k 1W RS
SG701
XX
G
IC701
TDA6108JF/N1B
R
RGB DRIVER
4 5 6 7 8 9
D706 D707
1SS83TA 1SS83TA
R706 C705
0.001
330
500V
1/4W
B
D702
C701 1SS83TA
0.1 R716 330 1/4W
250V
PT
R727
330
R706, 716, 727
1/4W
Actual part is
1-247-819-91
Res, carbon 330, 1/4W
C703
C702
0.01
10
R702
50V 50V
10k
F C1805
1/4W CN1801
D701
47p
1SS133 3P
50V
WHT
SL
3 ROT (-)
2 NC
ROTATION COIL
1
ROT (+)
R1804
XX
4 3 2 1
D1802
RD10ESB2
IC1801
NJM4556AD
R1801
ROTATION AMP
100k
1/4W
5 6 7 8
R1803
R1808
XX
10k R1809 10k 1/4W
1/4W
D1803
R1810
R1807 RD10ESB2
C1804
1/4W
10k
10
10k
D1801
1/4W 50V
RD10ESB2
G H I
~ C Board IC Voltages ~
R f e N o P n i N o V l o a t g e ( ) V R
1 3 0 .
2 2 6 .
3 3 1 .
4 0 7 .
C I
C I 7 0 1
5 6 3 .
6 1 9 9
7 1 3 3 5 .
8 1 5 4 4 .
9 1 3 6 2 .
1 H1
2 NC
3 GND
4 NC
5 200V
CN704
XX
H1
1
2 NC
TO A BOARD (2/4)
3 200V
CN508
4 NC
5 GND
CN707
5P
WHT
G2 TO FBT
1
CN706
1P
1 1000V
2 GND
3 200V
H1
4
CN701
XX
L704
KG KB G2
10uH
V901
KD-28DX50 - W66LLX060X
KD-32DX50 - W76LLX060X
H PICTURE
TUBE
C710
10
250V
R701
1M
1/4W
HV
CV KR G1 G4
TO A BOARD HV (T511)
C711
TO COATING EARTH
XX
R741
100
1/2W
TO
- 41 -
J K L
f e N o P n i N o V l o a t g e ( ) V
TP1
1 3 8 .
2 3 8 .
3 3 8 .
4 0
1 8 0 1
2.32 Vp-p (H)
5 4 0 .
6 4 0 . TP3
7 4 2 .
8 8 0 .
2.32 Vp-p (H)
TP5
116 Vp-p (H)
TP7
2.68 Vp-p (H)
D2..-28/32DX50
CN8801
8P
L8802
150uH
H DY- 8
NC
7
C8802
SMART 6 0.16
200V
NC 5 PP
TO A BOARD (2/4)
CN512
GND 4
GND 3
SW 2
8V 1
R8802
CN8802
3P
RED
SW
1
TO D3 BOARD
GND
2
CN2801
8V 3
D2
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
~ D2 Board Schematic Diagram [ Smart Mode Deflection ] ~
M N
~ C Board Waveforms ~
20us/div
20us/div
TP2
2.32 Vp-p (H)
20us/div 20us/div
TP4 TP4
116 Vp-p (H)
20us/div 20us/div
TP6
102 Vp-p (H)
10ms/div
+8V
R8810 R8808
XX XX
D8802
JR8801
EL1Z
0
R8809
C8803 CHIP
Q8805 XX Q8804
0.82 XX XX
250V
PP C8806
R8803
XX C8804
R8807
100k
Q8801 0.047 XX
1/4W
2SK2518-01MR 630V
MOSFET SWITCH
PT
JW8802
R8805
10 10k
S
1/10W
D8801
R8804
XX MTZJ-9.1 IC8801
2.2k
PC123F2 1/10W
PHOTO COUPLER
R8811
XX
R8806
Q8802
100
DTC144EKA
1/10W
SWITCH
CHIP
Q8803
DTC144EKA
SWITCH
D8803
R8812
MTZJ-4.7B
22k
1/10W
SMART MODE DEFLECTION
RN-CP