– 34 –
TP(RFO)
TP(TEO)
TP(VC)
CD BOARD (CONDUCTOR SIDE)
4. ALL SERVO ON Mode 1
(RF Level and Jitter Confirmation 1)
1. Press the
u
button four times to enter the ALL SERVO ON
mode 1 (start playback the disc) and display as below.
(All servo ON. LPC ON)
Display
2. Connect an oscilloscope to TP (RFO) and TP (VC) on the CD
board.
Connection:
21
07
00
3A0
ALL
3. Confirm that the RF level and jitter of waveform satisfy speci-
fied values as follows.
RF signal Waveform
+
–
CD board
TP (RFO)
TP (VC)
oscilloscope
(DC range)
Specified Values:
RF level : 1.0 to 1.4 Vp-p
jitter
: less than 9 nsec
Connecting Location: CD board
5. ALL SERVO ON Mode 2
(RF Level and Jitter Confirmation 2)
1. Press the
u
button to enter the LPC OFF mode and display
as below. (All servo ON. LPC OFF)
Display
2. Confirm that the RF level and jitter of waveform satisfy speci-
fied values as follows.
Specified Values:
RF level : 0.8 to 1.4 Vp-p
jitter
: less than 9 nsec
If the RF level and jitter are out of specified values, measure
again after clean the object lens by an applicator with lens clean-
ing liquid.
6. Releasing the CD Test Mode
1. Press the
x
(CD) button to stop rotate the disc.
2. Press the
[OPERATE]
button to release the CD test mode and
turn to standby state.
Connecting Location:
21
07
00
3A0
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
RF level:
1.0 to 1.4 Vp-p
Summary of Contents for MINIDISC ZS-M35
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