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Home >> HITACHI >> VK-K274R Service Manual
 
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HITACHI VK-K274R
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of HITACHI VK-K274R Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 41 (click to view)
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.

When adjusting the auto focus
AF ERROR 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 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.

When adjusting the spot noise
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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