Casio ZD-1, Руководство по обслуживанию

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CD MD TEST
2) Test CD
The following Test CDs are available from A
*
BEX or parts center of Casio.
3) Check of MD Mechanical Unit
* MD Mechanical Unit cannot be adjusted in the field. Only the MD factory can adjust by using special equipment.
a. Playback Test
*
Any regular music MD can be used. However the music MD should be supplied by Authorized Music Company, and the
surface of internal disk should be no scratch.
EX) Music MD SRLY-7233 (Sony) can be recommended.
*
There should be no any noise on the playback sound for the aging check.
b. Record Test
*
Any regular MD can be used. However the regular MD should be supplied by Authorized MD company, and the surface
of internal disk should be no scratch.
EX) Test MD MDW-74 (Sony) can be recommended.
*
There should be no any noise on the playback sound after record for the aging check.
4) Test MD
The following Test MDs are available from A
*
BEX or parts center of Casio. However Test MDs of Sony cannot
be available from Casio.
1) Check of CD Mechanical Unit
Item Check Test CD Check Way
a
Interruption in
Information Layer
TCD-726
(A
*
BEX)
By using track No.6 (0.5 mm), there shoud not be no noise and no
skip on the playback sound.
b
Black Dot on
Read Out Side
TCD-726
(A
*
BEX)
By using track No.13 (0.5 mm), there shoud not be no noise and
no skip on the playback sound.
c Finger Print
TCD-726
(A
*
BEX)
By using track No.18, there shoud not be no noise and no skip on
the playback sound.
d
Scratch on Read
Out Side TCD-721R
(A
*
BEX)
By using track No.9 (650
µ
m), there shoud not be no noise and
no skip on the playback sound.
e Eccentricity
TCD-712R
(A
*
BEX)
By using the disc (140
!
5
µ
m), there shoud not be no noise and
no skip on the playback sound.
f
Vertical Deviation
TCD-732RA
(A
*
BEX)
By using track No.2 (0.4 mm), there shoud not be no noise and no
skip on the playback sound.
g
Sound Skip for
Sound Pressure TCD-784
(A
*
BEX)
By using track No.23 (20Hz~2kHz), there shoud be no noise and
no skip on the playback sound at volume Max./ BBS On.
a~c 1904 5424 Test CD TCD-726 (A
*
BEX) Defects Test
d 1904 5423 Test CD TCD-721R (A
*
BEX) Scratch Test
e 1904 5421 Test CD TCD-712R (A
*
BEX) Eccentric Test
f 1904 5422 Test CD TCD-732RA (A
*
BEX) Vertical Deviation Test
g 1904 5425 Test CD TCD-784 (A
*
BEX) Function Test
Item Part code Part Name Specifications Test Purpose
11
Item Part code Part Name Specifications Test Purpose
a 1904 5428 Test MD TMD-321W (A
*
BEX) Scratch Test
b 1904 5429 Test MD TMD-325W (A
*
BEX) Defect Test
c 1904 5433 Test MD TMD-381 (A
*
BEX) Function Test