Sony R500PC User Manual

Page of 58
21
MZ-R500/R500PC
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 14).
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 14).
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