3-11. HEAD CLEANING WHEN HEAD3-12. OPERATING THE VTR WITHOUT A
CLOGGING OCCURSCASSETTE TAPE
Clean the video head as follows when the head gets dirty.When adjusting the mechanical block, the VTR is
sometimes operated without a cassette tape. This section
. Procedure to use the cleaning cassettedescribes how to do this.
1. Insert the cleaning cassette DVM12CL in this unit and1. Remove the cassette compartment from this unit or
press the [PLAY] key immediately (within 1 second).remove the connector of the cassette compartment.
Make sure that the [EJECT] key flashes, the2. Turn on switches S101-3 and 4 of the SV-184 board,
[PLAY] key lights and the display appears.then turn on the main power.
Note :..... Use only the DVM12CL cleaning cassetteNote : If switch S101-3 of the SV-184 board is not
tape.on, an error will occur.
If another cleaning cassette tape is used,
abnormal abrasion or breakage of theThe operating method of each mode is as follows.
video head could occur.. THREADING
..... Press the [PLAY][PLAY][PLAY][PLAY][PLAY] key immediately afterAfter the reel motor and the upper drum rotate, the
inserting the cleaning cassette tape.threading ring rotates to enter the threading mode.
The tension arm and the threading ring move to the
2. The cleaning cassette tape is automatically ejected afterspecified position, then the threading is completed.
running for 10 seconds.This condition in which the threading is completed is
Note : Do not rewind the cleaning cassette tape toreferred to as the STOP status.
use it again.
. PLAY
3. Make sure that the head is no longer dirty.Press the [PLAY] key.
If the video head is still dirty after step 2 above, cleanThe pinch roller is pressed against the capstan shaft
the video head as follows.to enter the PLAY status.
When the [PLAY] key is pressed during threading,
. Procedure to use the cleaning cloththe pinch roller is pressed against the capstan shaft to
enter the PLAY status after the threading has
1. Soak the cleaning cloth with cleaning liquid and bringcompleted.
it into contact lightly with the video head.
2. Turn the upper drum slowly by hand in the rotating. FF
direction of the head (counterclockwise when viewedPress the [F|. FWD] key.
from the top) to clean the video head.The pinch roller is pressed against the capstan shaft
Note :..... Never move the cleaning cloth in theto set the FWD.SEARCH to five-times speed.
vertical direction against the video head
because it may break the head.. REW
..... Turn the power switch off when cleaningPress the [REW] key.
the video head.The pinch roller is pressed against the capstan shaft
to set REV.SEARCH to five-times speed.
DSR-80/80P/60/60P
3-38 |
ACEC
SONY
