Overall Adjustment Mode - Sony MZ-R500PC Service Manual

8. Press the key, and set the laser CD read adjustment
N
mode (item number 012).
This set LCD display
0 1 2
[ENTER]
9. Press the key and set the address & adjusted value
display (see page 14).
This set LCD display
0 12
###: Address
: Adjusted value
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).
This set LCD display
0 1 3
[ENTER]
13. Press the key and set the address & adjusted value
display (See page 14).
This set LCD display
0 13
###: Address
: Adjusted value
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
Adjustment/checking and Connection Location:
MAIN BOARD (SIDE B)
TP ( – )
TP901
(VL)
TP (+)
TP902(VC)
TP910(GND)
HrefPw
###S
WritPw
###S
R501

5-8. Overall Adjustment Mode

• Configuration of overall adjustment
Overall adjustment mode
(Title display)
N key
Protect switch
ON
x key
x key
Protect switch
OFF
> key
x key
x key
ENTER key
x key
END SEARCH key
x key
Test mode (display check mode)
Note: Adjust the CD first, when performing adjustment.
MZ-R500/R500PC
. key
CD overall
adjusting
NG item exists
All item
or x key
OK
CD overall
adjustment
NG
CD overall
adjustment
OK
N key
MO overall
adjusting
NG item exists
or x key
MO overall
adjustment
NG
MO overall
adjustment
OK
Electrical
offset
adjustment
Power supply
adjustment
auto item feed
21