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This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
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This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking Owner-Manuals.com any time I need a manual.
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When I purchased this manual I had my doubts regarding the quality as the price was so reasonable as compared to other outlets.
The manual itself is of high standard the print is very clear as are the diagrams. Obviously with the diagrams one has to zoom in otherwise it is to small to be able to read.
Overall I am very pleased with the company who delivered as they said and with the manual they supplied.
I occasionally require a manual and now having registered with this company I shall order from them in the future.
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I was at first dubious about payiong for downloaded manuals but having done so, I was extremely impressed with quality of the two manual I ordered, well worth the small price I paid.
I would highly recommend these to my friends.
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reasonable price for the schematic - the service is perfect, all as expected and pointed by instructions - good scan of the original plans - thank you!
Adjustment > Error Messages and Countermeasure
Error Messages
TOO BRIGHT PRESS ANY KEY TOO DARK PRESS ANY KEY 1) 2) 1) 2) 3)
Countermeasure
The subject is too bright. Move the camera further away from the light box. The subject is too dark. Check the light box. Move the camera closer to the light box.
(2) When adjusting the auto focus
Error Messages
AF ERROR
Countermeasure
1) If this error message appears even when the adjustment is performed 2 or 3 times, the autofocus circuit system is defective. 2) Refer to �(4) No zoom and focus operation� on �4-1-2 Trouble Diagnosis Flowchart�. 1) Check the conditions of subject. 2) If this error message appears even when the adjustment is performed 2 or 3 times, the autofocus circuit system is defective. 3) Refer to �(6) No focus lens operation� on �4-1-2 Trouble Diagnosis Flowchart�. 1) Check the conditions of subject. 2) If this error message appears even when the adjustment is performed 2 or 3 times, the autofocus circuit system is defective. 3) Refer to �(4) No zoom and focus operation� on �4-1-2 Trouble Diagnosis Flowchart�. 1) If this error message appears even when the adjustment is performed 2 or 3 times, the autofocus circuit system is defective. 2) Refer to �(7) No zoom operation� on �4-1-2 Trouble Diagnosis Flowchart�. 1) Insufficient lighting. Check the subject. 1) Supply power again and readjust.
AF LIMIT OVER
TIME OUT ERROR ON AF STEP
TIME OUT ERROR ON FOCUS
TIME OUT ERROR ON ZOOM
TOO DARK TRACE ERROR. ADJUST ZOOM TRACE & AF NOISE AGAIN
(3) When adjusting the spot noise
Error Messages
ERROR!! SPOT NOISE COMPENSATION IS STOPPED BY INITIAL DATA. PLEASE CHECK THE EEPROM. PRESS ANY KEY. ERROR!! THE SPOT NOISE IS TOO MANY. CAN'T COMPENSATE ANY MORE. PRESS ANY KEY. ERROR!! THRESHOLD DATA ERROR. PLEASE CHECK THE EEPROM. PRESS ANY KEY.
Countermeasure
1) Spot noise compensation is inhibited by the data in the EEPROM. 2) Turn the power on again. 3) Data in the EEPROM is defective. (data Initialize it.) 4) Check the EEPROM, and if necessary, replace it. 1) The amount of spot noise that can be compensated reaches the limit. 2) Turn the power on again. 3) Check the image sensor, and if necessary, replace it. 1) Turn the power on again. 2) Data in the EEPROM is defective. (data Initialize it.) 3) Check the EEPROM, and if necessary, replace it.
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