Samsung HLT6187SX, Service Manual

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Troubleshooting
Samsung Electronics 6-5
1-1 Indication: Indicates the status of the leds and driver
1-1-1 Indicating leds are on the driver board.
1-1-2 Each color led(red/green/blue) is for the status of a color light source led.
1-1-3 The status is discriminated by blinking times of a indicating led.
<Table 1. Indication of faults(OP9001 - OP9003)>
1-2 Operate driver in internal mode
1-2-1 switch the slide switch(sw9001) is as followed(Fig.1).
1-2-2 internal mode: driver is operated regardless of the dmd signal.
1-2-3 external mode: driver is operated according to the dmd signal.
Fig.1 selection of operating mode
Blinking times Indication Remark
1 short status
2 open status or F9000/F9002 open
1
2
external
mode
internal
mode