C426
Signal PWB
DP-2X CHASSIS A.B.L. CIRCUIT DIAGRA M
53
3
To Focus
SW
+115V
I40 1
R ainforest
IC
ABL
To
Anodes
To QH01
Collector of High Voltage
Output Transistor
Signal PWB
Deflection PWB
Clamp
ABL Pull-Up
Resistors
As Brightness goes Up, ABL Voltage
goes Down. (Inverse Proportional)
[
Current Path
]
Q413
3
C425
TH01
27K
56K
XRay Protect
3
R449
C423
D403
C424
R451
R450
R452
R453
RA54
D404
DH16
CH18
RH 27
RH 28
RH31
RH32
CH14
RH24
DH15
Sw +9V
RH25 18K
ABL
9
10
5
1
Gnd
DH13
CH17
IH01
7
DH14
RH09 CH10
RH23
LH06
Stops
H. Drive
OVP
180K
43K
HZ22-2L
RH26
RD30EB4
PPD2
PPS2
Power
Supply
PWB
6.8K
FBT
36
DAC2
ABL Sw
47K
RH 29
RH 30
M icro
I00 1
SDA2
SDA2
31
SCL2
SCL2
30
31
28
R483
R484
ABL Switch
2
2
ABL Switch
ABL
19
HVcc +9V
HVcc +9V
40
R461
R462
8
1080i
Y In
55
QH03
PPD6
9
10
ABL Switch
ABL SWITCH
Active When Side Bars
are Black Only
DP27 DP27D
125
Содержание 51SWX20B
Страница 55: ...55 DP27 27D SIGNAL BLOCK ASSEMBLY BACK TO ADJUSTMENTS ...
Страница 56: ...56 DP27 27D DEFLECTION P W B BACK TO ADJUSTMENTS ...
Страница 57: ...57 DP27 27D POWER SUPPLY P W B BACK TO ADJUSTMENTS ...
Страница 58: ...58 DP27 27D CPT P W B BACK TO ADJUSTMENTS ...
Страница 59: ...59 DP27 27D CONTROL P W B BACK TO ADJUSTMENTS ...
Страница 60: ...60 DP27 27D TROUBLE SHOOTING FLOWCHART 1 NO RASTER AND NO POWER How to check LED s Diagnosis ...
Страница 61: ...61 DP27 27D TROUBLE SHOOTING FLOWCHART ...
Страница 62: ...62 DP27 27D TROUBLE SHOOTING FLOWCHART ...
Страница 83: ...83 DP27 27D DP2X Protection Circuit Block Diagram Deflection Power Supply ...
Страница 84: ...84 DP27 27D DP1X Protection Circuit Block Diagram Signal Power Supply ...
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Страница 189: ...DP27 27D ...