Thermal Head - Sony UP-897MD Service Manual

1-4-3. Thermal Head
After replacing the thermal head, perform the head voltage
adjustment. For the adjustment procedure, refer to
Section 2-4,
1. Remove the top cover. (Refer to Section 1-3-1.)
2. Remove the front panel assembly.
(Refer to Section 1-3-2.)
3. Remove the mechanical deck assembly.
(Refer to Section 1-4-2.)
4. Remove the two screws (BVTT2.6 X 6), then remove
the MD top chassis and three head springs.
When removing the MD top chassis, be sure to remove
it slowly in the direction of the arrow A to prevent the
head springs from popping out.
5. Release the lock arm in the direction of the arrow, then
open the MD door chassis.
6. Remove the heat sink in the direction of the arrow B.
7. Remove the two screws (PSW3 X 8), then remove the
thermal head.
8. Disconnect the two flexible flat cables from the
thermal head.
BVTT MD top chassis
Head
springs
Heat sink ,
Flexible '
ia
flat cables
9. Attach the thermal head in the reverse order of steps 1
to 8.
When connecting the flexible flat cables, route them
under the cam shaft.
UP-897MD