15
3. No Vertical Scanning(One Horizontal Line Raster)
Trouble Shooting Charts
Check
DY Connector
Check
Input Voltage of I301
Check
Vertical Drive pulse(Vert +)
#2 of I301
Check Vertical Drive
Feedback pulse(Vert -)
#1 of I301
Check/Replace
DY
Check/Replace
D407,D408,D313
(14V, 45V Line)
Check
#4 of I501
Check/Replace
B+, X-TAL, SCL, SDA
of I501
Check/Replace
I301
Check/Replace
C516~C517,R527~R528,
R310~R311,R350~R351
Abnormal
Normal
Содержание DUA-3270GB
Страница 4: ...4 2 Block Diagram 1 Analog Part ...
Страница 19: ...19 7 Schametic Diagram 1 ALALOG MAIN PART ...
Страница 20: ...20 Schametic Diagram 2 POWER PART ...
Страница 21: ...21 Schametic Diagram 3 DIGITAL MAIN PART 1 ...
Страница 22: ...22 Schametic Diagram 3 DIGITAL MAIN PART 2 ...
Страница 23: ...23 Schametic Diagram 3 DIGITAL MAIN PART 3 ...
Страница 24: ...24 8 Printed Circuit Board 1 Main PCB ...
Страница 25: ...25 Printed Circuit Board 2 Power PCB ...
Страница 26: ...26 Printed Circuit Board 3 Digital PCB Top ...
Страница 27: ...27 Printed Circuit Board 4 Digital PCB Bottom ...
Страница 28: ...28 Printed Circuit Board 5 CRT PCB 6 Union PCB ...
Страница 29: ...29 9 Mechanical Exploded Diagram _ p p ª ø L fl T Œx bª Ø L fi Ø p fi Ø 9 p L ...
Страница 40: ...DAEWOO ELECTRONICS CORP PRINTED DATE JAN 2006 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA ...