Troubleshooting
6-4
Samsung Electronics
6-1-2 Flow Chart for Malfunction
Can you see anything
in the screen?
Can you see OSD menu
running in the screen?
Can you see Digital
Channel broadcast ?
Check Cables connected to
Main Board. If necessary,
replace the Main Board
1) Check the DVI Cable
connected between the Main
Board and the DMD Board.
If necessary, replace DVI Cable.
Check Cables connected to
DMD Board. If necessary,
replace DMD Board.
If the DLP turns on
Check the Power Cord
LED assy array off?
Replace the Main Board
Is indicating LED on a driver
blinking?
(OP9000-OP9004)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
12V OK?(Pin8)
Check input power
(CN9002)
16V OK?(Pin2or 4or 6)
Yes
Operate driver in internal mode
LED light on?
Check DMD
Yes
Replace driver
Check SMPS
No
No
Count the number of blinking
and check the status of LED
assy array
Indicating light
See the indicating light in 9-7-1
Intermal mode
At the switch “SW9002”
INT mode
EXT mode
SW1
SW2
SW1
SW2
SW1: To convert the mode INT with EXT
The number of
blinking
LED assy array
status
1
2
3
4
5
Short
Open
Reserved
LED overtemperature
Board overtemperature
Summary of Contents for HLT6187SX
Page 10: ...1 6 Samsung Electronics MEMO ...
Page 18: ...2 8 Samsung Electronics MEMO ...
Page 44: ...3 26 Samsung Electronics MEMO ...
Page 47: ...Samsung Electronics 5 2 MEMO ...
Page 59: ...Block Diagram 7 6 Samsung Electronics 7 2 5 DMD board Block Diagram ...
Page 67: ...8 8 Samsung Electronics MEMO ...
Page 127: ...Disassembly Reassembly 12 18 Samsung Electronics Part Name Description Description Photo ...
Page 137: ...Circuit Description 13 10 Samsung Electronics 13 3 6 K880 Engine Ass y ...
Page 139: ...13 12 Samsung Electronics MEMO ...