Pioneer XC-IS21 MD, Руководство по обслуживанию

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XC-IS21MD
64
Step No. Operation Keys and Operation Method FL Display Status Remarks
1 Short circuit MECH TEST MODE during the power EJECT Test mode
ON.
(Fig.6-1)
2 Insert the test disc (GGF1277). LOADING
GRT AJST
3 Perform “ Normal Adjustment ” (step 3, step 4). AUTO AJST
4 Press the REC key twice. TEST REC TEST REC mode
5 Press the SET ENTER key and a0050 pw0D
display the inner circumference address.
6 When the PLAY key is pressed, TEST REC starts, a0069 pw0D
and when 25 addresses or more have been sent, TEST REC
stop by pressing the STOP key.
7 Press the ENTER key and display the inner a0050 pw0D
circumference address.
8 Press the REC key and display the a03C0 pw0D
intermediate circumference.
9 Perform step 6. a03D9 pw0D
TEST REC
10 Press the ENTER key and display the inner a0050 pw0D
circumference address.
11 Press the REC key twice and display the a0700 pw0D
outer circumference address.
12 Perform step 6. a0719 pw0D
TEST REC
13 Press the REC key. TEST PLAY TEST PLAY mode
14 Perform steps 5 to 13 of “ Jitter/C1 Error Check a0069 c0009 Check the jitter/C2 error at the inner/
at the time of Playback ”. a03D9 c0007 intermediate/outer circumference of GGF1277,
At the time of self-recording, wait for seven a0719 c0006 and check that the jitter value satisfies the
addresses after TEST PLAY start, and then press standard value of the following table.
the CHARA key and enter into mean value mode.
(Good recording may not be possible for several
addresses at the beginning.)
15 Press the EJECT key. EJECT The test disc (GGF1277) is ejected.
16 Power OFF Test mode is ended.
8
Jitter/C1 Error Check at the time of Recording/Playback
Jitter Meter
LEVEL
JITTER
GND
MD CORE MAIN UNIT
SIDE A
REFO
EFM MON
Inner circumference 33 nsec or less
Intermediate circumference 31 nsec or less
Outer circumference 31 nsec or less
Connection diagram
Note: When the initial address (0050) part of
the inner circumference (or intermediate/
outer circumference) has been used 1000
times or more, press the ASES key and
shift the address by 10hex. (The address
is shifted (up to 10 times) according to the
use frequency of the disc.)
Intermediate
and
outer
circumference
may be
omitted.
GGF1277 jitter value
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