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– 4 –

The special jig (J-2501-124-A) is highly convenient when check-
ing the waveform of the BD board of the MD section. Pin names
and items to check are as follows:

I+3V : for IOP measurement (check for depleted optical pickup

laser)

IOP

: for IOP measurement (check for depleted optical pickup

laser)

TEO : TRK error signal (traverse adjustment)
VC

: Standard level for checking signals

RF

: RF signal (jitter check)

BD board

CN110

DG board

I + 3V

IOP

TEO

VC

RF

Jig

(J-2501-124-A)

MD block section

It is possible to reset the system microcomputer by pressing the
RESET button located on the bottom with a pointed object. Use
this button when the unit cannot be operated properly due to such
problems as microcomputer errors, etc.

RESET button

(Located on the bottom)

– 5 –

1 MD operation buttons

fl (play/pause)
π (stop)

2 BAND button
3 CD operation buttons

fl (play/pause)
π (stop)

4 CD lid
5 6 CD OPEN/CLOSE button
6 6 MD EJECT button
7 MONO/ST, REPEAT button
8 AUTO PRESET/RDS/SHUF/PGM button
9 TUNE +, ÷, ) button

!º YES, ENTER button
!¡ Jog dial

=/+ AMS
PRESET

!™ NO, CANCEL button
!£ TUNE –, ¿, 0 button
!¢ EDIT button
!∞ REC button
!§ REC IT button

TO TOP, TO END

!¶ SYNCHRO REC

CD 

” MD button

!• MD insert section

!ª LINE/LINE LEVEL button
@º Display window
@¡ VOLUME +, – buttons
@™ BASS/TREBLE button
@£ MEGA BASS button
@¢ Jog dial Function indicator

AMS/PRESET SELECT

@∞ LINE IN terminal

@§ DISPLAY button
@¶ INSERT/TIMER button
@• DELETE/CLOCK button
@ª 2 (Headphones) Jack (stereo mini jack)
#º STANDBY button
#¡ SLEEP button
#™ Remote control receiver section
#£ OPERATE button

– 6 –

1 TA SERCH button
2 CD OPEN/CLOSE button
3 Numeric buttons
4 MODE button
5 BASS/TREBLE +, – buttons
6 MEGA BASS button
7 MD operation buttons

      

” (play)

      

P (pause)

      

p (stop)

      

r (rec)

8 CD operation buttons

      

” (play)

      

P (pause)

      

p (stop)

9 RADIO operation buttons

      BAND

      TUNE –, +
!º OPERATE button
!¡ VOL +, – buttons
!™ =, + AMS, select, search buttons

#¢ MW/LW ANTENNA terminal
#∞ FM EXT ANTENNA terminal
#§ FM rod antenna
#¶ ⁄  AC IN jack
#• Battery compartment (for memory back-up)
#ª RESET button (bottom)
$º FM ANTENNA SELECTOR switch

– 7 –

 Follow the disassembly procedure in the numerical order given.

r

 The equipment can be removed using the following procedure.

Cabinet (Front) 

sub ASSY

Cabinet (Rear) 

sub ASSY

Set

Control (L) board
Control (R) board
Control (F) board, JOG board

LCD board, BL board
Audio board

Main board

Line board

MD block ASSY

Optical pick-up ASSY, CD motor board
Control SW board

Motor board, Belt, Motor (M703)

Power board
Tuner board, Anetenna SW board

Center block

section

BATT board

Chassis (Main)

Cabinet (Upper)

MD Block ASSY

DG board

Chassis (MD)

BD board

Sub chassis ASSY

Shutter ASSY

MD mechanism deck

MD Optical pick-up block

SW board
“Head, Over write”
Slider ASSY

3

 Screws

     (+BV 3x14)

Cabinet (Rear) sub ASSY

7

 Wire , parallel (11 core) 

    (Main board : CN407)

8

 Lead wire

    (Lug, speaker section)

6

 CN313 (5 Pin) 

    (Main board )

Cabinet (Front) sub ASSY

3

 Screws (+BV 3x14)

4

 Screws (+BVTT 3x6)

2

5

1