4 Troubleshooting
4-2
SyncMaster 570PTFT / 570P Plus TFT
4-2 No Video
Replace IC301.
Power indicator is green
Replace IC501 or check its
related circuit.
Replace IC146.
Replace IC141
or X141.
Check IC102
and IC541.
No
Does the clock pulse
appear at output of
CFT301?
Does the clock pulse appear
at Pin 5 of IC146?
Does the pulse appear at Pin 4
of IC141?
1
7
No
Does the sync pulses appear at
Pins 27 and 28 of IC501?
Does the sync and clock
pulse appear at Pins 115
and 117 of IC151?
Replace IC301 or check its
related circuit.
3
4
8
9
Replace IC501 or check its
related circuit.
Replace LCD Panel
No
Do the sync pulses appear at
FT509?
Do the sync pulses appear at Pins
30, 31 and 32 of IC501?
5
12
13
14
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Is RGB port selected?
Does the sync and clock pulse
appear at Pins 21 and 26 of
IC211?
10
11
Yes
Check IC161 and IC541
or Replace IC211.
No
No
Yes
Summary of Contents for SyncMaster 570P TFT
Page 10: ...3 Disassembly and Reassembly SyncMaster 570PTFT 570P Plus TFT 3 3 ...
Page 15: ...Memo 4 Troubleshooting 4 4 SyncMaster 570PTFT 570P Plus TFT ...
Page 21: ...5 Exploded View Parts List 5 6 SyncMaster 570PTFT 570P Plus TFT Memo ...
Page 31: ...Memo 7 Block Diagrams 7 2 SyncMaster 570PTFT 570P Plus TFT ...
Page 38: ...9 Schematic Diagrams SyncMaster 570PTFT 580P Plus TFT 9 6 2 IC301 CFT301 3 CH1 FREQ 64 7 MHz ...
Page 42: ...Samsung Electronics Co Ltd January 2000 Printed in Korea Code No BN68 00098A 01 ...
