DP-2X CHASSIS MICROPROCESSOR DATA COMMUNICATIONS CIRCUIT DIAGRA M
IOO 1
28
31
SCL2
SDA2
SIGNA L P WB
FCEnable
I00 7
3.3V -> 5V
Level Shift
18
55
PST 2
IX01
A/V Select
SCL1
SDA1
29
30
SCL1
SDA1
I OO3
E EPROM
5
6
SDA1
SCL1
Termi nal P WB
33
34
5
FCData
51
SDA2
I40 1
Rain forest
Sweep Cont.
30
31
SCL2
IA01
BBE Co ntrol
13
14
IW0 1
3D-Y/C
4
2
1
SDA1
SCL1
FC Clock
FCData
F C04
F LEX
&
Pi nP
PFC1
FC Enable
12
11
10
U303
16
14
6
15
Data / Key Out 2
52
4
5
2
Clock / Key Out 1
53
SDA1
SCL1
60
59
IZ01 Sub
V ideo/Chroma
Y Pr/Pb SW
13
14
I Z02 Main
V ideo/Chroma
Y Pr/Pb SW
13
14
IX02
Y Pr/Pb
SE LECTOR
26
27
SDA2
SCL2
U302
Tuner PinP
U301
Tuner 1 Main
5
SDA2
SCL2
4
4
SCL2
SDA2
5
SDA2
SCL2
Pi P
M ain
D
P
2
7
D
P
2
7
D
12
0
Summary of Contents for 51SWX20B
Page 55: ...55 DP27 27D SIGNAL BLOCK ASSEMBLY BACK TO ADJUSTMENTS ...
Page 56: ...56 DP27 27D DEFLECTION P W B BACK TO ADJUSTMENTS ...
Page 57: ...57 DP27 27D POWER SUPPLY P W B BACK TO ADJUSTMENTS ...
Page 58: ...58 DP27 27D CPT P W B BACK TO ADJUSTMENTS ...
Page 59: ...59 DP27 27D CONTROL P W B BACK TO ADJUSTMENTS ...
Page 60: ...60 DP27 27D TROUBLE SHOOTING FLOWCHART 1 NO RASTER AND NO POWER How to check LED s Diagnosis ...
Page 61: ...61 DP27 27D TROUBLE SHOOTING FLOWCHART ...
Page 62: ...62 DP27 27D TROUBLE SHOOTING FLOWCHART ...
Page 83: ...83 DP27 27D DP2X Protection Circuit Block Diagram Deflection Power Supply ...
Page 84: ...84 DP27 27D DP1X Protection Circuit Block Diagram Signal Power Supply ...
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