SONY DVW-250P
Service Manual

7-2-13. CUE/TC Head Height Adjustment

Checks 1. Playback the alignment tape. Play back the alignment tape ZR2-1/1P (00:00 to 15:00). 2. CUE/TC head height check (1) When pressing down the portion A of the tape shown in the figure, check that the level decreases. If the level increases, perform steps 3), and 5) and later. (2) When pushing up the portion B, check that the level decreases. If the level increases, perform steps 4) and later. (3) Repeat the mode change from EJECT mode to PLAY mode 2 or 3 times. Check that the output level is same as the pre-PLAY level and does not change. If the level changes, perform the step 3) and later. (4) Repeat the mode change from REV SEARCH mode to PLAY mode 2 or 3 times. Check that the output level is same as the pre-PLAY level and does not change. If the level changes, perform the step 3) and later.Reference � How to put into the REV SEARCH mode; Press the REW button after pressing the SEARCH button. Adjustments 3. If the level increases when pressing down the tape (1) Turn the height adjusting nut counterclockwise until the output waveform is beyond the maximum. (2) Turn the height adjusting nut clockwise, and adjust so that the output waveform is the maximum. 4. If the level increases when pushing up the tape Turn the height adjusting nut clockwise, and adjust so that the output waveform is the maximum. 5. CUE/TC head height check Check the CUE/TC head height according to the check procedures. 6. SEARCH speed re-setting On the setup menu, reset SEARCH speed to the former speed.
Height adjustment nut CUE/TC head assembly CUE/TC head

CUE/TC head A

B

Spec. : The level decreases when pressing down and pushing up the alignment tape.

7-34

DVW-250/250P