Kenwood MDXF 1 Service Manual

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MDX7F1(K) COVER1,1P( 99.12.2210:23 AM «3? 1

MD PERSONAL STEREO SYSTEM

MDX-F1

KENWOOD

SERVICE MANUAL

Panel ass'y
(A60-1729-02) : S Knob From glass Knob
(A60-1803-02) : FI (K29-7669-02) (810-3541-03) (K29-7669-02)

Knob r
(K29-7718-03) : s-
(K29-7750-03) : R .
Cassette holder

(A53-2174-02) : S
(A53-2188-02) : R

Panel
(A29-1078-O4)

Front glass
(B10-3540-04)

r\
\/

S : silver
R : red

Rod antenna
(T90-0828-05)

Knob ass'y
(K29-7753-04) :s
(K29-7755-04) : R

Plastic cabinet
(A02-2949-01) : s
(A02-2950-01) : R

Lock terminal board
(E70-0051-05)

Miniature phone jack
(E11-0399-05)

* Refer to parts list on page 40 .

In compliance with Federal Regulations, following are
reproductions oi labels on, or inside the product relating to
laser product safety

Note: Please Contact KENWOOD service in your side if
you want to get the AC power cord.

KENWOOD-Crop. certifies this equipment conforms to
DHHS Regulations No.21 CFR 1040. 10, Chapter 1, Sub-

chapter J. .
DANGER : Laser radiation when open and interlock

defeated.
AVOID DIRECT EXPOSURE TO BEAM.

I I A?

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MDX7F1(K)COVER1,1P( 99.12.2210:23 AM \°-

MDX-F1

CONTENTS / ACCESSORIES / CAUTIONS

Contents

CONTENTS / ACCESSORIES / CAUTIONS ............. 2
CONTROLS ..........................
DISASSEMBLY FOR REPAIR
CIRCUIT DESCRIPTION ......
ADJUSTMENT ......................

PC BOARD ..................
SCHEMATIC DIAGRAM ..
EXPLODED VIEW.
PARTS LIST .................
SPECIFICATIONS

.. 20
.. 26

.38
...................... ...40
........................ ..Back cover

Accessories

R6/SUM-3 batteries
for remote (2)

Loop antenna (1)
(T90-0852-05)

AC plug adaptor (1)
(E03-0115-05)

1

Remote control unit (1)
(A70-1325-05): RC-MDXO101

Battery cover (A09-1151-08)

Cautions

Operation to reset u m c m d h
. , . hp ug e powercor mm e power ou e en,

The Microcomputer may tall inID maltunctlan (ImpossiblllIy .

to operate, osprey, as.) when the power we wg'wlgrggeggggs, REPEAT key depressed plug we

is unplugged while untt rs ON or due to an external taster. P ' pm

in thrs case. execute the idllowrng procedure to reset the

Microcomputer and return it to normal condilion. . . O

. Please note that resetting the microcomputerclears . . b
the contents stored in and it returns to condition
when it lert the tactory

warn-y Emma:

Stored normals which are Clock display

cleared irnrnetimtywnen MD recordersecfion
power plug is unplugged

Am Iddklb Mara-um
Belore transporting or moving thrs uniL carry out thel
oltowrng operattons.

0 Remove the CD or MD from the unit.

5; mm! "a. h A m . 6 Press the b/II key oi the MD.
cements w it are m erseeoon . .
dam, in at has day run/standbyr slam; 9 Wait for some time and verify that the display
m erpl is (ON or STANDBVI becomes as shown in the Iigure.
PW rm" input selection
"IW '" we" Volume control value
MM Tone control levels
In? section
Receivrnq band 0 Press the >/II key or the on.
agenda. 9 Wait ror some time and verity that the display

Auto tuning setting
Caseete deck lmit
Transport direction
DOLBV NR
Reverse mode

~iimersettingcontents

becomes as shown in the Iigure.

GWait a law seconds and turn the unit OFF.

mmadgmm (fisdauednmardadasmbe'almagaimm

Displayed Mssage Meaning Action
No msc a No disc is placed on the tray 0 Load a disc,
CAN-1r com o An attemptis made to record digital 0 Recording is not possioie
Signal iroma source whilertsdrgitai copy
has oeen prohibited by 5cm 5.
Disc FULL o There is no recordaote area on the disc 0 Use another recordaote dist,
o An attemptrs made to record a 255th o Morethan zsooacks cannotoerecorded
tra(l< per dtSC
11TLE FULL o An attempts made to assign a ddewrth o Rerer to natal mnberoffifle charms".
more characters than usable.
ELANK ms: o The di5( does not contain any record. a When playback is required, use a recorded
inqs disc,
NO TRACKS O The disc does notcomam any Hacks but 0 Die dtsc (an be used tor recording without
has a dtSC otle. any prootern.
READING o The TOC 1 data or the disc is oeino o This is a normal operation
read.
nu-MG o The daa related to editingorrecording is o This is a normal operation.
being wnttenrn the disc,
nlsc ERROR - The eonternsottrmcZ are aononnal. a PerformALLERASE" operation. lrthrs
is not possible, use another dtSC.
CAN-1r EDIT o An attemptrs made to perform editing 0 Perform edtting roltowtngthe restnctrons
beyond the restrictions, for example to
erase a wattk whim is too short.
7(blinking) o This is a message forconfirming it edit. a Press the ENTER key to executeeditino.
irlg can really be executed
PRO'I'ECrED o The mrnidtsc rs writeproteeted o Cancel the write protection
PLAY ONLY o The minidlsc is only ror playback. o lnserta mlnidisc for recording.
UNIT ERROR - This indicates some trouble a Return to normal condition is made by
sw itching the unit orr and then on again

lAll mlnidiscs (0an a Table of Contents (TOC) in addition to Sound Signals. The TOC is similar to the table of Contents
In a book and Contains information, Such as track numbers, track length, and Character information, that Cannot be
rew ritten.

ZIn addition to the TOC, mlnidiscs aso Contain a Special Useis Table of Contents (UTOCI that Contains track number, track
length, and Character information, that (an be rewritten.

mumummm Secum

The contents at the memory are not stored on the disc lI the power cord is unplugged

lithe power cord is unplugged suddenly or there is a power Iatlure the tntormation on recording and edittng
tnormally recorded when the rnrnidiss rs elected) may do erased or destroyed belare rt is resorded on the
mintdlsc Once the rntormation has disappeared, it can not be recovered.

Alter recording or editing, always remove the mtnidisc to record the recording or editing iniormalion

#