Sony MZ-R5ST Service Manual page 32

CD Traverse Adjustment
Connection:
MAIN board
TP5980 (TE)
AP5430 (VC)
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 VOLUME + key and VOLUME
– key to enter the CD test mode (mode: 050).
3. Press the = key and the + key to move the optical pickup
to almost center of a CD disc.
4. Insert a check disc (CD) TDYS-1.
5. Press the ( key to enter the CD EF balance adjustment mode
(mode: 052) after passing through the CD focus search ON
(mode: 051).
6. Press the P key to perform the automatic adjustment and check
that the traverse waveform is vertically symmetrical.
(Traverse waveform)
Specification: A = B, C
7. Check that the traverse level is 1.6 Vp-p or more.
8. Exit the test mode.
Oscilloscope
A
C
B
1.6 Vp-p
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CD RF Level Check
Connection:
MAIN board
TP5980 (TE)
AP5430 (VC)
MAIN board
AP501 (2.8V)
AP574 (LD01)
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 VOLUME + key and VOLUME
– key to enter the CD test mode (mode: 050).
3. Press the = key and the + key to move the optical pickup
to almost center of a CD disc.
4. Insert a check disc (CD) TDYS-1.
5. Press the ( key to enter the CD EF balance adjustment mode
(mode: 052) after passing through the CD focus search ON
(mode: 051).
6. Press the ( key to enter the CD ABCD level adjustment mode
(mode: 053).
7. Press the P to perform the automatic adjustment and check
that the RF level is 1.0 ±0.1 Vp-p.
(RF waveform)
8. Check that the voltage between AP574 (LD01) and AP501 (2.8
V) is 44 mV or less.
9. Press the p key.
10. Exit the test mode.
Oscilloscope
Digital voltmeter
1.0 ± 0.1Vp-p