Sony MZ-R501, Руководство по обслуживанию

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MZ-R501/R501PC
8. Press the N key, and set the laser CD read adjustment
mode (item number 012).
9. Press the
[ENTER]
key and set the address & adjusted value
display (see page 13).
10. Check that the laser power meter reading is 0.97 ± 0.10 mW.
11. Check that the voltage both ends (TP (+) and TP (–)) of resis-
tor R501 at this time is below 44 mV.
12. Press the
N
key, and set the laser MO write adjustment mode
(item number 013).
13. Press the
[ENTER]
key and set the address & adjusted value
display (See page 13).
14. Check that the laser power meter reading is 4.95 ± 0.50 mW.
15. Check that the voltage both ends (TP (+) and TP (–)) of resis-
tor R501 at this time is below 80 mV.
16. Press the
x
key to quit the manual mode, and activate the
test mode (display check mode).
Checking and Connection Location: MAIN board
5-8. Overall Adjustment Mode
• Configuration of overall adjustment
Note: Adjust the CD first, when performing adjustment.
Adjustment/checking and Connection Location:
This set LCD display
0 1 2
HrefPw
This set LCD display
0 1 2
###S
###
: Address
: Adjusted value
This set LCD display
0 1 3
WritPw
This set LCD display
0 1 3
###S
###
: Address
: Adjusted value
TP910(GND)
TP902(VC)
TP(–)
TP(+)
TP901
(VL)
R501
MAIN BOARD (SIDE B)
. key
>
key
N key
N
key
Protect switch
ON
Protect switch
OFF
x key
x key
x
key
x key
x key
x key
NG item exists
or
x
key
Overall adjustment mode
(Title display)
CD overall
adjusting
MO overall
adjusting
CD overall
adjustment
OK
MO overall
adjustment
OK
CD overall
adjustment
NG
NG item exists
or
x
key
MO overall
adjustment
NG
Electrical
offset
adjustment
Power supply
adjustment
auto item feed
ENTER key
END SEARCH
key
Test mode (display check mode)
All item
OK