– 17 –
MD-X8H
Figure 17
1. Preparation for adjustment
Test disc
MD SECTION
Type
Test disc
Part No.
1
High reflection disc TGYS1 (SONY)
RRCDT0101AFZZ
2
Low reflection disc
Recording minidisc
UDSKM0001AFZZ
3
Head Adjusting transparent RRCDT0103AFZZ
Extension Cable (See Fig. 17)
Type
Part No.
1
Extension PWB for servicing
RUNTK0457AFZZ
2
Extension Connector (2 Pin)
QCNWK0059AFZZ
3
Extension Connector (6 Pin)
QCNWK0107AFZZ
4
Extension Cable (5 Pin)
QCNWK0109AFZZ
3
Extension Cable (28 Pin)
QCNWK0108AFZZ
2. Test mode
Test mode setting method
1. Holding down the
+ button and MD
(PLAY/PAUSE) button, press the POWER button.
(State A is changed to state B .)
2. Insert the playback disc 1 (high reflection disc) or recording disc 2 (low reflection disc). (State C is set.)
Thus, the test mode state is set.
A tsm
e
: TEST MODE
represents version of MD microcomputer.
TEST
STOP state
(When the MD
(STOP) button is ressed in the C state, the indication A
is restored. To restore C again, press the CD
(PLAY/ PAUSE)
button.)
B EJECT
TEST
C AUT YOBI
TEST
Entering the specific mode
Whenever the CD
(PLAY/PAUSE) button is pressed, the mode is changed.
AUTO pre-adjustment
AUTO adjustment
RESULT Pre-adjustment
EEPROM setting
MANUAL adjustment
RESULT MANUAL pre-adjustment
• Canceling the test mode
When the POWER button is pressed, the test mode is canceled, and the POWER OFF state is set.
• Note
Remove the MD unit for repeir, ansd after installing it in the set, be dure to reset it and ascertain that reset has been done.
Resetting procedure
(1) Unplug the AC cord from the socket, and hold down the RESET buttonm provided at the rear side
for more than 10 seconds.
(2) Once set the TEST MODE (holding down the TEST MODE (X-BASS botton) and
botton
together, press the POWER button), and then turn off power.
5Pin extension flat cable
QCNWK0109AFZZ
2Pin extension connector
QCNWK0059AFZZ
CNP1601(Bottom side)
CNP1602
CNP1252
CNP1603
CNP1604(Bottom side)
CNS1101
MD MAIN PWB
6P-2P extension connector
QCNWK0107AFZZ
28Pin extension flat cable
QCNWK0108AFZZ
Extension PWB for service
(RUNTK0457AFZZ)
Fit the extension PWB for service to the mechanism
From Optical
Pickup Unit
From Magnetic Head
From
motor
From mecha-
nism switch
PWB
Содержание MD-X7H
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