Kenwood HM-582MD, Руководство по обслуживанию, Страница: 7 / 37

RD-M52MD/M72MD
7
CIRCUIT DESCRIPTION
1. Setting of Continuous Playback Mode
No. Key
1 Volume/
multi-control Select [CPLAY MODE]
2 Load disc
3 PLAY [CPLAY MID]
[c=xxxx a=yy] error
(xxxx=C1 error, yy=ADIP error)
4 MODE [CPLAY(zzzz)] CPLAY address
(MID=0300h, OUT=0700h, IN=0030h cluster)
5 MODE [h
✽✽✽✽
d@@@@] address
(
✽✽✽✽
=current head address, @@@@=ADIP address)
In No.5, Display shows [-] if can't read disc.
2. Change of Playback Points(in continuous playback mode)
No. Key
Display/Function
Display/Function
1 PLAY [CPLAY OUT]
2 Carry out No.4 and 5 in the above table.
3 PLAY [CPLAY IN]
4 Carry out No.4 and 5 in the above table.
5 STOP [CPLAY MODE]
6 EJECT Disc out
1. Continuous Recording Setting
No. Key Display/Function
1 Volume/
multi-control Select [CREC MODE]
2 Load the recordable disc
3 PLAY [CREC MID]
4 PLAY [CREC (zzzz)] CREC address
(0300h cluster=recording start point)
5 DISPLAY [h
✽✽✽✽
d@@@@] address
6 DISPLAY [c=xxxx a=yy] error
7 DISPLAY [CREC (zzzz)]
8 STOP [CREC MODE]
2. Change and End of Recording Points
1 Carry out No.1 to 3 in the above table Select[CREC MID]
2 Volume/
multi-control
[CREC OUT]
3 PLAY [CREC (zzzz)] CREC address
(0700h cluster=recording start point)
Carry out No.5 to 8 in the above table
4 PLAY Select [CREC MID]
5 Volume/
multi-control Select [CREC IN]
6 PLAY [CREC (zzzz)] CREC address
(0300h cluster=recording start point)
Carry out No.5 to 8 in the above table
7 EJECT Disc out
Starting address is the followings.
IN=30h cluster, MID=300h cluster, OUT=700h cluster
For more information on each adjustment mode, refer to
each section of 7, "Electrical adjustment".
If other adjustment mode has been entered incorrectly,
press the STOP key to exit the mode.
* The number 9 - 13 are not used for service. If these
mode have been entered incorrectly, press the STOP
key immediately to exit the mode. Specially, do not use
EEP INITIAL. (E2PROM data has initialized if used it.)
1. The recording start addresses of IN, MID, and OUT are
described below.
IN 30H cluster
MID 300H cluster
OUT 700H cluster
2. An erasure prevention control is not detected in the test
mode. Be careful not to enter the continuous recording
mode using a disc containing the data that should not be
erased.
3. Do not record continuously for more than five minutes.
4. Take care that no vibration is applied during continuous
recording.
6-6 Continuous Playback Mode
6-7 Continuous Recording Mode
5 Initializing the MD Mechanism
5-1 Initialization Method
While pressing the MD [PLAY/PAUSE] key and MD
[EJECT] key simultaneously,
turn the AC on.
6. MD Test Mode for Adjustment
6-1 Entering the Test Mode
While pressing the MD [PLAY/PAUSE] key and [rec] key
simultaneously,
turn the AC on.
6-2 Cancelling the Test Mode
Turn the AC off.
6-3 Key Operations for Adjustment
No. LCD DESCRIPTION SECTION
1 TEMP ADJU
The work of adjustment is unnecessary
in this mode.
7-5
2 LDPWR ADJU Laser power adjustment. 7-6
3 LDPWR CHEC Laser power check. 7-6
4 EFBAL ADJU Traverse adjustment. 7-7
5 TE B. ADJ Automatic EF balance adjustment. -
6 FBIAS ADJU Focus bias adjustment. 7-8
7 CPLAY MODE Continuous playback mode. 6-6
8 CREC MODE Continuous recording mode. 6-7
9 STT-LIMIT
Check the mechanism start limit
switch position.
-
10 JUMP MODE Track jump checking mode. -
11 SRV DAT RE Servo data reading. -
12 EEP MODE E2PPROM data reading or rewrite. -
13 EEP INITIAL E2PPROM data initializing. -
KEYS OPERATION
Volume/multi- control Select mode or adjustment value change.
MD PLAY/PAUSE Fix mode or adjustment value.
STOP Cancel the selected mode and change to menu page.
menu/demo Select servo of PIT or GROOVE.
display Change-over the display mode.
SKIP UP Pickup moves outwards when pressed skip up key.
SKIP DOWN Pickup moves inwards when pressed skip down key.
LDC DESCRIPTION
> Servo on.
>> Tracking servo on.
GRV Servo groove mode.
CLV-S Rough servo clock.
CLV-A Spindle lock.
RECORD Recordable disc or no disc.
6-4 LCD Indication for Mechanism Operation
6-5 Selection of Adjustment Test Mode
Whenever the [volume/multi-control] knob is turned the
adjustment test mode is selected.
www.freeservicemanuals.info 1/20/2020
Digitized in Heiloo the Netherlands Not for sale!