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Oscilloscope
MAIN board
TP5980 (TE)
AP5430 (VC)
Oscilloscope
MAIN board
TP5980 (TE)
AP5430 (VC)
A
B
C
A
B
C
Specification: A = B, C 0.9 Vp-p
Low Reflection CD Traverse Adjustment
Connection:
Adjusting Method:
1. Enter the servo test mode (mode: 000) of the adjustment mode
of the test mode.
2. Press the
(
key, then press the key and VOLUME
– key to enter the low reflection CD traverse adjustment mode
(mode: 040).
3. Insert a commercial available MO disc.
4. Press the
(
key to enter the low reflection CD EF balance
adjustment mode (mode: 042) after passing through the low
reflection CD focus search ON (mode: 041).
5. Press the
P
key to perform the automatic adjustment and check
that the traverse waveform is vertically symmetrical.
(Traverse waveform)
6. Check that the traverse level is 0.9 Vp-p or more.
7. Press the
p
key.
8. Exit the test mode.
Specification: A = B, C 1.6 Vp-p
MO Traverse Adjustment
Connection:
Adjusting Method:
1. Enter the servo test mode (mode: 000) of the adjustment mode
of the test mode.
2. Press the
(
key, then press the key and VOLUME
– key to enter the MO test mode (mode: 030).
3. Press the
=
key and the
+
key to move the optical pickup
to almost center of an MO disc.
4. Insert a commercial available MO disc.
5. Press the
(
key to enter the MO playback EF balance
adjustment mode (mode: 032) after passing through the focus
search ON (mode: 031).
6. Press the
P
key to perform the automatic adjustment and check
that the traverse waveform is vertically symmetrical.
7. Slide the REC key to enter the MO record EF balance adjustment
mode (mode: 034).
8. Press the
P
key to perform the automatic adjustment and check
that the traverse waveform is vertically symmetrical.
(Traverse waveform)
9. Check that the traverse level is 1.6 Vp-p or more.
10. Press the
p
key.
11. Exit the test mode.
Note:
When a pre-recorded disc is used for this adjustment, all
data that has already been recorded on a disc will be erased.
