Mechanical Adjustments - Sony CDX-454RF Service Manual

• Elevator Height (Address) Adjustment
Note: This adjustments is necessary when the system controller (IC201),
variable resistor (RV201), slider (R), slider (L), or chassis (ELV)
was replaced for any repair.
Connection:
power supply
(DC 14.4 V)
+
GND
wired remote commander
(RM-X82RF)
DISPLAY connector (CN302)
comb tooth at address 5
RV201
SECTION 5

MECHANICAL ADJUSTMENTS

POWER connector (CN303)
Compact disc changer
comb tooth at address 6
A
B
Adjustment Method:
1. Load a disc magazine, and place the set vertically as shown
below.
2. Connect the regulated power supply, and turn the power on.
3. Press the DISC button on the wired remote commander (RM-
X82RF) and select DISC 5.
4. At this time, if the elevator shaft does not position between
comb teeth A and B at addresses 5 and 6 as shown below,
adjust the following.
5. Press repeatedly the DISC + and – buttons on the wired re-
mote commander (RM-X82RF) so that the elevator shafts
moves from address 6 to address 5, or from 5 to 6. At this
time, adjust RV201 on the main board so that the elevator shaft
positions smoothly between comb teeth A and B.
6. Further, place the set horizontally and make same adjustment
as mentioned above.
7. After adjustment at addresses 5 to 6 is finished, check all op-
erations from addresses 1 to 10 with the set placed vertically
and horizontally respectively to confirm that the elevator shaft
positions in a range between comb teeth A to B.
comb tooth at address 6
elevator shaft
A
B
OK NG
CDX-454RF/454XRF
elevator shaft
comb tooth at address 5
17