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ZS-X10
15
15
ZS-X10
FOCUS BIAS CHECK
procedure:
1. Connect the oscilloscope to TP (RF) and TP (VC) on the CD
board.
2. Set the CD test mode. (Refer to CD TEST MODE (See page
12))
3. Press the
u
button twice. (LCD DISPLAY “P –”)
Note:
If this check is performed continuously after the TRAVERSE
CHECK, press the u button once.
CHECK, press the u button once.
4. Confirm that the oscilloscope waveform is as shown in the
figure below. (eye pattern)
A good eye pattern means that the diamond shape (
A good eye pattern means that the diamond shape (
◊) in the
center of the waveform can be clearly distinguished.
5. To check CD-RW, turn the power off. Change discs to CD-
RW (TCD-W082L) (Part No. J-2502-063-2), then set the CD
test mode again. (Refer to CD TEST MODE (See page 12))
test mode again. (Refer to CD TEST MODE (See page 12))
• RF signal reference waveform (eye pattern)
Connecting Location:
CD SECTION
Perform all CD section check in the test mode.
TRAVERSE CHECK
procedure:
1. Connect an oscilloscope to TP (TE) and TP (VC) on the CD
board.
2. Set the CD test mode. (Refer to CD TEST MODE (See page
12))
3. Press the
u
button once. (LCD DISPLAY “F –”)
4. Confirm that the center of the oscilloscope waveform is at 0 V.
5. Confirm that the oscilloscope waveform Vp-p value is at 0.95
5. Confirm that the oscilloscope waveform Vp-p value is at 0.95
± 0.4 V.
6. To check CD-RW, turn the power off. Change discs to CD-
RW (TCD-W082L) (Part No. J-2502-063-2), then set the CD
test mode again. (Refer to CD TEST MODE (See page 12))
test mode again. (Refer to CD TEST MODE (See page 12))
VOLT/DIV: 0.2 V (with the 10: 1 probe in use.)
TIME/DIV: 500 ns
TIME/DIV: 500 ns
CD:
1.0
1.0
±
0.3 Vp-p
CD-RW:
1.0
1.0
±
0.4 Vp-p
When observing the eye pattern, set the oscilloscope
for AC range and raise vertical sensitivity.
for AC range and raise vertical sensitivity.
VOLT/DIV: 0.2 V (with the 10:1 probe in use)
TIME/DIV : 1 ms
TIME/DIV : 1 ms
0 V
A
B
Vp-p=A+B
– CD BOARD (Conductor Side) –
TP
(TE)
TP
(VC)
TP
(RF)
MEMO
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