Cd Md Test - Casio ZD-1 Service Manual

1) Check of CD Mechanical Unit
Item Check
Interruption in
a
Information Layer
Black Dot on
b
Read Out Side
c Finger Print
Scratch on Read
d
Out Side
e Eccentricity
Vertical Deviation
f
Sound Skip for
g
Sound Pressure
2) Test CD
The following Test CDs are available from A*BEX or parts center of Casio.
Item Part code
a~c 1904 5424
d 1904 5423
e 1904 5421
f 1904 5422
g 1904 5425
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.
Item Part code
a 1904 5428
b 1904 5429
c 1904 5433

CD MD TEST

Test CD
TCD-726 By using track No.6 (0.5 mm), there shoud not be no noise and no
(A*BEX) skip on the playback sound.
TCD-726 By using track No.13 (0.5 mm), there shoud not be no noise and
(A*BEX) no skip on the playback sound.
By using track No.18, there shoud not be no noise and no skip on
TCD-726
the playback sound.
(A*BEX)
TCD-721R By using track No.2 (0.4 mm), there shoud not be no noise and no
(A*BEX) skip on the playback sound.
By using the disc (140 ! 5 µm), there shoud not be no noise and
TCD-712R
(A*BEX) no skip on the playback sound.
By using track No.9 (650 µm), there shoud not be no noise and
TCD-732RA
(A*BEX) no skip on the playback sound.
TCD-784 By using track No.23 (20Hz~2kHz), there shoud be no noise and
(A*BEX) no skip on the playback sound at volume Max./ BBS On.
Part Name Specifications
Test CD TCD-726 (A*BEX)
Test CD TCD-721R (A*BEX)
Test CD TCD-712R (A*BEX)
Test CD TCD-732RA (A*BEX)
Test CD TCD-784 (A*BEX)
Part Name Specifications
Test MD TMD-321W (A*BEX)
Test MD TMD-325W (A*BEX)
Test MD TMD-381 (A*BEX)
11
Check Way
Test Purpose
Defects Test
Scratch Test
Eccentric Test
Vertical Deviation Test
Function Test
Test Purpose
Scratch Test
Defect Test
Function Test