Daewoo AKD-0105 Series, Service Manual

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13
ADJUSTMENTS
No
8
9
10
11
12
13
14
15
16
17
Anti-Vibrational
Performance
Playability
Disc Deflection
Disc
Eccentricity
Jitter
Frequency
Response
Harmonic
Distortion
Dynamic
Range
S/N Ratio
Channel
+ 0.4mm
+ 0.21mm
< 28 nsec
< 0.03% at 1kHz
> 80dB at 1kHz
> 85dB at 1kHz
> 70dB at 1kHz > 65dB at 1kHz
> 85dB at 1kHz
> 75dB at 1kHz
< 0.05% at 1kHz
20-20kHz + 2dB 20-20kHz + 3dB
< 33 nsec
+ 0.21mm
+ 0.4mm
equal with
standard values
-Interruption:0.7mm
-Block Dot Disc:0.8mm
-Scratch Disc:1mm
-Finger Print Disc:65um
>1.0g/10Hz-20Hz, Z way
>2.0g/30Hz-200Hz, Z way
>0.6g/10Hz-20Hz, X&Yway
>1.2g/30Hz-200Hz, X&Yway
X=side to side
Y=front to back
Z=up to down
Z way only
10Hz-20Hz:0.7g
30Hz-200Hz:1.2g
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
-The G level should be upped to the sound
skip level from the less level slowly at the
frequency.
-Ignore the sound skip at the near of
resonance frequency(about 100Hz).
-In playing YEDS-10 Tr #5, shall perform with
vibration
-No sound skipping.
-No sound skipping in the specified range.
-The sound skipping does not include any
interpolating noise.
-No sound skipping at the ABEX 731RA Tr
No8
-The sound skipping does not include any
interpolating noise.
-Except from specified item due to the
reliability limits of TEST DISC in the HTO
TEST.
-No sound skipping at the ABEX 713 Tr No8
-The sound skipping does not include any
interpolating noise.
-Except from specified item due to the
reliability limits of TEST DISC in the HTO
TEST.
This measurement may be done at 20Hz,
20kHz, (1kHz=0dB)
400Hz HIGHPASS FILTER
20kHz(-60dB 24kHz) LOWPASS FILTER
20kHz(-60dB 24kHz) LOWPASS FILTER,
60dB AMP IHF-A WEIGHTING FILTER
400Hz HIGHPASS FILTER
20kHz (-60dB 24kHz)LOWPASS FILTER
ITEMS
CONNEC
TION
SPECIFIED VALUES, CONDITIONS
STANDARD VALUES RELIABILITY LIMITS
TEST CONDITIONS, REFERENCES