36
XC-LA21
4
2
3. Tracking Balance (TEB) Adjustment
FUNCTION : CD
TEST DISC
PLAY
Track No. 1
of YEDS-7
Track No. 1
of YEDS-7
VR2
Tracking Balance
0V
(VREF)
Keeps pushing
the FF button.
VC is made a center.
A : B symmetry ADJ
Oscilloscope
DC Mode
V : 100mV/div
H : 1mSec/div
GND
Probe
Player
A=B
NG
OK
NG
A
B
CD ASSY
TSO
VREF
START
4
1
4. Focus Balance (FEB) / eye pattern (RF level) Adjustment
FUNCTION : CD
TEST DISC
PLAY
VR1
Focus Balance
maximum
Obtain maximum 3T-level of EYE-pattern.
1.2Vp-p
3T
Oscilloscope
AC Mode
V : 200mV/div
H : 0.5
µ
Sec/div
GND
Probe
Player
START
CD ASSY
RFO
VREF