Symptom: No playback picture, grey or blue screen. Three to five wide horizontal lines across the whole screen, or pixilation in playback.
Alignment/adjustment check: Check playback picture and audio with a pre-recorded tape and do own recording in LP and SP.
Caution: Tape-path check and alignment after the video drum has been replaced.
Camcorder Video Head Replacement and Camera Repair
- The camera needs to be dismantled to remove the whole recorder mechanism. Disconnect all cables and flexible circuit boards from the mechanism to the circuit board before unscrewing and removing the tape drive.
- Drive the upper chassis in fully eject position with an external variable power supply.
- Unscrew the three screws which hold the video drum assy and remove it.
- Place and screw the new video heads onto the chassis.
- Connect the chassis to the circuit board and refit the board.
- If the camera has tape path alignment holes in the outside housing, you can continue to assemble the whole camera for testing and tape-path alignment.
- If not you have to assemble the camera partly to a point where you can switch it on, load a pre-recorded reference tape, put the camera in playback mode and have access to the front of the mechanism where you can perform the tape path alignment.
- Use an oscilloscope and back tension tape if you have one.
- If not align the camera for perfect playback picture and sound! Don’t forget to check CUE and REW.
- Once the camera is assembled, check all functions in record and playback again.
If your camera fault is not listed or you need advice with your particular camera issue go here.
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