Ricoh D093 - Vdb, Sif

Board LEDS, DIP Switches
SM 7-75 D093/D094
Trouble-
Shooting
7.6.4 VDB, SIF
VDB
The VDB (Video Drive Board) controls the LPH (LED Print Head). The VDB receives the image
processed data from the SIPU and sends it to the LPH.
The following LEDs indicate the status of elements operation on the VDB<0}
LED Color LED Definition LED State
LED100 GREEN FPGA operation Normal: FLASH
LED101 GREEN PCLK Input Check Input from SIPU: FLASH. Else:
OFF
LED102 GREEN Internal GATE signal
check
Signal assert: FLASH
Else: OFF
LED103 GREEN LSYNC signal check Input from SIPU: FLASH. Else:
OFF
LED104 GREEN FPGA Net Ver. Distinguishing No. Bit 3:
1: ON
0: OFF
LED105 GREEN FPGA Net Ver. Distinguishing No. Bit 2:
1: ON
0: OFF
LED106 GREEN FPGA Net Ver. Distinguishing No. Bit 1:
1: ON