RD-M52MD/M72MD
10
ADJUSTMENT
CD section
NO.
ITEM
INPUT
SETTINGS
OUTPUT
SETTINGS
CD PLAYER
SETTINGS
ALIGNMENT
ALIGN FOR
FIG.
TEST MODE : While pressing the CD PLAY/PAUSE key ,plug the power cord into the AC power wall output.
Load the TEST DISC.
[1]
LASER CURRENT
CHECK
Test disc
type 4
Connect the DC voltmeter
between
3
and
4
of CN4
on X29.
Press the PLAY/PAUSE
key to check that the
display is 03 or05.
-
50
±
20mA
[2]
FOCUS ERROR
BIAS
(Set up vertically)
Test disc
type 4
Connect an oscilloscope
as follows.
CH1:RF(X29, CN4,
1
)
GND:VC(X29, CN4,
2
)
CH1:RF(X29, CN4,
1
)
GND:VC(X29, CN4,
2
)
Press the PLAY/PAUSE
key . Confirm that the
display is 05.
FE BIAS
VR 1
(V/H version
only)
Optimum eye pattern
[3]
Note:
• Type 4disc: SONY YEDS -18 Test Disc or equivalent.
• Keep the step of adjustment.
FOCUS ERROR
BIAS
(Set up horizontally)
Test disc
type 4
Connect an oscilloscope
as follows.
Press the PLAY/PAUSE
key . Confirm that the
display is 05.
FE BIAS
VR 2
Optimum eye pattern
