Yamaha CT-7000 Service Manual page 17

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5. Multiplex Demodulator Circuit Board Removal
5-1.
Remove the cabinet.
5-2.
Remove screws
(1�4)
cover.
take off the shield
5-3.
Remove screws
(1�4)
MPX
take out the
circuit
6. Discriminator Circuit Board Removal
6-1.
Remove the cabinet.
Disconnect the
i
put p
6-2.
n
6-3.
Remove
screws
(5)
and
then take off the shield cover.
6-4.
Remove screws (5)
and (6)
then take out the
discriminator
7. Amplifier Circuit Board Removal
cabinet.
7-1.
Remove the
7-2.
Pull out the input and output pin plugs.
7-3.
Remove screws
(7) and (8)
then take off the shield cover.
7-4.
Remove screws
(7)
and
then take out the IF circuit
8. RF Pack Removal
o
the cabinet.
8-1.
R
em
e
v
8-2.
Loosen screws
(9)
and
screw (3) sh
o
in
Photo 11 and screw
w n
Photo 12, then take
off
the shield cover.
8·3.
Loosen the two variable capacitor pulley
VC
screws, then remove the
8-4.
Unplug
the
input
and output pin
disconnect the
connector.
8·5.
Remove screws (15�17) shown
take out the R
F
pack.
9. Meter Lamp Circuit Board Removal
screw
shown in
9-1.
Remove
( 1)
the meter lamp circuit board.
10. Dial Lamp Circuit Board Removal
10-1.
Remove screws (1)
then remove the dial string cover.
10-2.
Remove screws ( 1)
n
the dial
the
remove
lamp circuit board cover.
10-3.
Remove screws (
1)
and
then take out the dial lamp circuit board.
11. Dial Pointer Removal
1 1-1.
Follow step 10-1.
11-2.
Remove screws {3) and (4) shown in Photo
then separate the guide rail from the pointer.
shown in Photo 5, then
s
ho
wn
in
Photo 6, t hen
board.
i
n pl u
g
s
.
(6) shown
in
Photo 5,
shown in
Photo 6,
circuit bo ard.
shown in Photo 5,
(8)
shown in Photo 6,
board.
in
( 10)
shown
Photo 5,
(3)
shown in
fixing
pulley.
plugs, then
in Ph
t
o
4, then
o
Photo
7,
then remove
and (2)
s
h
o
n
in Photo
8,
w
n
9,
a
d (2)
s hown in Photo
shown in Photo 10,
(2)
8,
CT-7000
15

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