Yamaha CT-7000, Руководство по обслуживанию

Страница: 18 / 42

CT-7000
16
12.
Front Panel Removal
12-1. Follow steps 2-1 and 2-2.
12-2. Remove connectors (2�5), (8) and (11
)
shown
in Photo 4, then remove the switch circuit board.
12-3. Loosen the two tuning knob fixing screws shown
in Photo
4
in the direction of the arrow, using a
hexagonal wrench. Remove the tuning knob.
Note: The shaft can be loosened; do so fully.
12-4. Remove screw (18) shown in Photo
4.
12-5. Remove screws ( 1) and (2) shown in Photo 11,
and screws ( 1) and (2) shown in Photo 12.
12-6. Remove the front panel and control unit with­
out separating them. Remove screws ( 1�4) shown in
Photo
13,
then separate the front panel and control unit.
13. Volume Circuit Board Removal
13-1.
Follow steps
12-1
through
12-5.
13-2. Remove the headphone volume, output level
and muting knobs with a hexagonal wrench.
13-3.
Remove screws
( 1)
and
(2)
shown in Photo
14,
then remove the volume circuit board.
14.
S
w
it
c
h
Circuit Board Removal
14-1.
Follow steps 12-1 through 12-5.
14-2. Remove screws
(3)
and
(4)
shown
in
Photo
14,
then remove the
switch
circuit board.
15.
Power
Switch
Removal
15-1. Follow steps 12-1 through 12-4.
15-2.
Remove screws
(1)
and
(2)
shown
in
Photo
15,
then remove the power switch circuit board.
16. Meter Removal
16-1. Follow steps 12-1 through 12-4.
16-2. F
o
l
lo
w
step 8-2.
16-3.
Remove the leads connected to the meter.
16-4.
Remove screws (3) and (4) shown in Photo 15,
then remove the meter cover.
16-5. Take
out
the meter.
17.
Dial Scale Removal
17-1.
Foll ow steps
12-1
through
12-4.
17-2. Remove screws (5�12) shown in Photo 15,
then remove the dial scale.