Pioneer MJ-D508 Service Manual page 47

Step No. Operation Keys and Operation Method
8 Press the REC key.
9 Press the STOP key.
10 Press the NAME key and display the inner
circumference address.
11 Press the NAME CLIP key and display the
intermediate circumference address.
Perform steps 6 to 9 in this condition.
12 Press the NAME key and display the inner
circumference address.
13 Press the NAME CLIP key twice to display the
outer circumference address.
Perform steps 6 to 9 in this condition.
14 Press the EJECT key, eject the test disc
GGF1328 (MMD-212), and insert TGYS1 (or
MMD-110.)
15 Perform steps 3 to 13 and check the jitter/C1
error with the test disc TGYS1 ( or MMD-110).
16 Press the EJECT key.
17 Power OFF
Jitter Meter
LEVEL
GND
FL Display
a006F c0017
TEST PLAY
ADRES 0050
ADRES 03C0
a03C0 c0009
TEST PLAY
ADRES 0050
ADRES 0700
a0700 c0008
TEST PLAY
LOADING
GRT AJST
a0062 c0009
a03d2 c0007
a0712 c0006
CORE MAIN UNIT ASSY
JITTER
REFO
Connection diagram
7 Jitter/C1 Error Check at the time of Playback
The fixed display of the C1 error is ended.
EJECT
Check that the jitter value meets the standard
value of the following table.
TGYS1 ( or MMD-110) jitter value
Inner circumference
Intermediate circumference 27 nsec or less
Outer circumference
EJECT The test disc TGYS1 ( or MMD-110) is ejected.
Test mode is ended.
SIDE A
EFM MON
MJ-D508
Status Remarks
Intermediate
circumference
29 nsec or less
27 nsec or less
and
outer
may be
omitted.
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