Sony MZ-R501, Service Manual

Page: 21 / 52

21
MZ-R501/R501PC
8. If OK through the overall MO adjustments, press the x key
to return to the test mode and terminate the Overall Adjustment
mode.
6. Insert MO disc in the set, and press the
>
key to set the
Overall MO Adjustment mode. Automatic adjustments are
made.
7. In case of MO overall adjustment NG, reset the NV (see page
17), then readjust from the temperature correction (see page
19).
• Adjustment Method of Overall CD and MO Adjustment
Mode
1. Setting the test mode (see page 11).
2. Press the
.
or
[VOL --]
key activates the overall adjust-
ment mode.
3. Insert CD disc in the set, and press the
.
key to set the
Overall CD Adjustment mode. Automatic adjustments are made.
4. In case of CD overall adjustment NG, reset the NV (see page
17), then readjust from the temperature correction (see page
19).
5. If OK through the overall CD adjustments, then perform over-
all MO adjustments.
• Overall Adjustment Mode (Title Display)
• Electrical Offset Adjusting Method
Caution: The electrical offset adjustment must be made with no
disc loaded.
1. Make sure that the power supply voltage is 3V.
2. Set the test mode (see page 11).
3. Press the
. or
[VOL--]
key to activate the overall adjustment
mode.
4. Press the
[ENTER]
key.
5. Electrical offset adjustment is over, if the following display
appears.
: (Disc mark) At end power supply adjustment:Outside lit
At end of electrical offset adj.:inside lit
Note:On the set having microcomputer version 1.000,the disc
mark is displayed on the set LCD only.
: Left side = MO overall adjustment information
F : MO overall adjustment completed
1 : Manual adjustment exists(overall adj.not completed)
0 : Not adjusted
Right side = CD overall adjustment information
F : CD overall adjustment completed
1 : Manual adjustment exists(overall adj.not completed)
0 : Not adjusted
This set LCD display
0 0 0
Assy
This set LCD display
0 0 0
Assy11
This set LCD display
0 3 5
Ofst
: Adjusted value
This set LCD display
0 0 0
OfstOK
This set LCD display
0 0 0
Assy
This set LCD display
X X X
CD RUN
XXX : Item number for which on
adjustment is being executed.
This set LCD display
0 0 0
NG
: NG item number
This set LCD display
0 0 0
CD OK
This set LCD display
X X X
MO RUN
XXX : Item number for which on
adjustment is being executed.
This set LCD display
0 0 0
NG
: NG item number
This set LCD display
0 0 0
MO OK