Denon UTP-250 - Disassembly Procedures (continued); Removing Printed Wiring Boards

D-250 ml
TUNER PRE SECTION
S.0.B. UNIT 1U-2476-8
@® Remove the S.D.B. unit in the direction of the arrow.
TUNER UNIT 1U-2476-2
® Remove the 3 screws which fasten the tuner unit.
© Remove the solder from the shielded wire, then remove the
® Remove the 2 screws which fasten the side plate.
© While disengaging in the direction of the arrow the tabs of the
side plate and the holes of the main chassis (with a flat-bladed
screwdriver),
@ Use your fingers to push out the hook of the inner panel from
the side plate in the direction of the arrow.
Using the same method for the left side, remove the side plate.
Remove the front panel in the direction of the arrow.
screw.
2. Removing the printed wiring boards
Inner panel hook
MAIN
VOLUME
UNIT
1U-2476-5
:
Side
plate
claw
@ Remove the volume control assembly in the direction of the
arrow and remove the nuts attached to the main volume unit.
MAIN UNIT 1U-2476-1
@ Remove the 2 shorting pins which are attached to the 6-pin pin
jack.
Remove the 12 screws which are attached to the main unit.
Front panel
® Remove the main unit in the direction of the arrow.
LCD Tact SW unit
TONE VOLUME UNIT 1U-2476-4
@
Remove
the
4
screws
which
fasten
the
tone
volume
unit
(1U-2376-4)
and
remove
the
board
in
the
direction
of
the
arrow.
LCD TACT SWITCH UNIT 1U-2476-3
@*
Remove
the
9
screws
which
fasten
the
LCD
Tact
switch
unit
and
remove
the
board
in
the
direction
of
the
arrow.
Tone volume unit