to LED1 (D106-D101) status can be available for trouble-shooting.
Scanner CPU checks attached ROM and RAM on MAIN CONTROL Board and on SCSI Board after
power ON. It displays 6 red LED pattern on the MAIN CONTROL Board according to progress of
checking. All LED OFF means the MAIN CONTROL Board’s check is finished normally. If some
errors are detected, some LED remains to light.
Main Board LED display
: Lighting, : Not Lighting
LED 6 5 4 3 2 1
Error Detail
Check Point
LCD No Response Error
Replace MAIN CONTROL Board
Flash-ROM check Error
Replace MAIN CONTROL Board
SRAM check Error
Replace MAIN CONTROL Board
Internal SRAM (Inside of CPU)
check Error
Replace MAIN CONTROL Board
GA_SENSOR shading check Error
Replace MAIN CONTROL Board
GA_SENSOR line correction RAM
check Error
Replace MAIN CONTROL Board
EEPROM check Error
Replace MAIN CONTROL Board
MAIN CONTROL Board Error
(Another model MAIN Board is
supplied)
Replace MAIN CONTROL Board
No Error
Requirement after parts replacement
Following adjustments are required when print circuit board or part is replaced.
82
Summary of Contents for KV-S6050W
Page 24: ...Fig 7 8 24 ...
Page 35: ...8 2 14 Sensor Plate 1 Open Front Door 2 Loosen 2 screws 3 Remove Sensor Plate Fig 8 18 35 ...
Page 50: ...Fig 8 42 8 3 15 ADF Door Switch 50 ...
Page 84: ...11 BLOCK DIAGRAM 84 ...
Page 88: ...15 1 Exterior 88 ...
Page 92: ...REPALCEMENT MECHANICAL PARTS LIST Hopper Unit 92 ...
Page 102: ...REPLACEMENT MECHANICAL PARTS LIST Packing 102 ...
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