DAEWOO ELECTRONICS AKD-0105 Series, Service Manual

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12
ADJUSTMENTS
4-5. CDP MODE TEST & ADJUSTMENT METHOD
Definition of Mechanical Mode
No
1
2
3
4
STOP MODE
LOADING
MODE
PLAY MODE
EJECT
MODE
- Disc haven’t been inserted or disc have been ejected. When disc shall be transported
into the unit
Mechanism shall be fixed at this mode.
- Loading device can insert disc thru the slot.
- Floating device being locked.
- Disc have been inserted thru the slot in front of unit. It is transient state between STOP
mode and PLAY mode.
- If disc should be inserted at the state of POWER ON, disc shall be loaded by a series of
operation of specified device.
- After disc have being clamped on the turn-table, disc shall be rotated.
- Disc shall be played.
- Floating device being unlocked.
- Disc is to be ejected at this mode. It is transient state between PLAY mode and STOP
mode.
- If disc should be mounted at the state of POWER ON and commanded by EJECT key, disc
shall be ejected thru the slot by a series of operation of specified device.
MODE DEFINITION & STATUS
Standard values / Play-ability test
No
1
2
3
4
5
6
7
Loading Time
Ejecting Time
Access Time
Disc
Take-up Force
Disc
Clamping Force
Mechanical
Noise
7sec + 3sec
6sec + 3sec
< 17 sec
< 15 sec
< 15 sec
< 5 sec
Loading Eject
< 75dB(A)
Play < 40dB(A)
Access < 70dB(A)
> 120g
> 120g
> 80g
> 130g > 130g
If anything is not
error, shall not
defined.
> 90g
During play in
low temp.
> 70g
During play in
low temp.
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
From insertion up to make sound.
(TCD-784)
From track No.1 Between the EJECT
command and the disc eject completion.
(TCD-784)
From out-most Track, Between the PLAY
command of in-most Track and marking
sound.
Shall be measure when the center of Disc is
correspond with the center of Roller.
Shall be measure when the center of Disc is
correspond with the center of Roller.
-Test should be performed in no reverberation
room at the noise level of less than 20dB(A).
-Test should be performed at the 50cm in front
of the unit.
-IHF-A MODE (RMS-FAST)(TCD-792D)
ITEMS
CONNEC
TION
SPECIFIED VALUES, CONDITIONS
STANDARD VALUES RELIABILITY LIMITS
TEST CONDITIONS, REFERENCES
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