Sanyo MCH-900F Service Manual page 67

REPLACING THE PRINCIPAL PARTS OF THE CD CHANGER
MECHANISM
d.
REPLACING THE DISC CA9E ELEVATOR SENSOR P. C. BOARD (315)
4
..
This PC. board performs a very ir?nportant function,
as it must monitor the up, down, and loading status of the disc case.
When replacinq the P.C. board, be very careful so as not to adversely affect any of the other parts.
(a)
REPLACING THE P.C. BOARD (315)
(b)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Follow steps @ and @ below, in that order, to install the
spring coil (314).
P
1
DISC CASE
ELEVATOR
Make sure not to install the spring coil backwards.
SENSO~ I?C.B (315)
——
P. C. BOARD HEIGHT ADJUSTMENT
Set the POWER switch to the '"ON" position and the
FUNCTION switch to the "CD" position.
Press the DISC 1 button.
The disc case lowers into position for the first disc.
Adjust the P.C.board height adjustment screw so that
the distance between the disc case and the chassis is
46.0 ~ 0.3 mm.
Next, press the DISC 6 button.
Once again, press the DISC 1 button.
Se[ the POWER switch to the "OFF" position and wail
about 15 seconds.
Set the POWER switch to the "ON" position.
Confirm that the distance between the disc case and
the chassis is 46.0 t 0.3 mm.
If the distance is not 46.0 t 0.3 mm, repeat steps (2)
SPRING
(314)
000
L
I
BRACKET ( 313)
i
* After adjusting the height, apply
screw lock to the screw (311).
THREAD LOCK
TB-1401B
T
SCREW
DISC CAS{ (363)
(311)
through (8).
(1O)After adjustments are complete, apply thread lock
(TB-1401 B) to the screw (31 1).
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