Yamaha MDX-E100 User manual

MDX-E100
MDX-E100
100686
SERVICE MANUAL
MDX-E100
IMPORTANT NOTICE
This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures inherant to the industry, and more specifically YAMAHA Products, are already
known and understood by the users, and have therefore not been restated.
WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal
injury, destruction of expensive components and failure of the product to perform as specified. For these reasons,
we advise all YAMAHA product owners that all service required should be performed by an authorized
YAMAHA Retailer or the appointed service representative.
IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and
service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable
and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact
the distributor's Service Division.
WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have accumu-
lated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit.
MINIDISC RECORDER
IC DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-34
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 35-37
TEST POINT WAVEFORMS . . . . . . . . . . . . . . . . 38-39
PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . . 40-47
SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . 48-50
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51-63
GREASE APPLICATION DIAGRAM . . . . . . . . . . . .64
REMOTE CONTROL TRANSMITTER . . . . . . . . . . .65
■ CONTENTS
TO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . . 1-2
REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
INTERNAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
DISASSEMBLY PROCEDURES . . . . . . . . . . . . . . . 4-8
ADJUSTMENT & TEST MODE . . . . . . . . . . . . . . . 9-16
SPECIAL TEST MODE . . . . . . . . . . . . . . . . . . . . . . .17
ERROR DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . 18-19
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . 20-24
For the system operation of MDX-E100,
please refer to Service Manual for the
RX-E100 100684 .

MDX-E100
MDX-E100
English
➀THIS PRINTING (SEE POSITION SHOWN IN THE ILLUSTRATION) INFORMS THE USER THAT THE APPARATUS
CONTAINS A LASER COMPONENT.
➁THIS LABEL (SEE POSITION SHOWN IN THE ILLUSTRATION) WARNS THAT ANY FURTHER PROCEDURE WILL
BRING THE USER INTO EXPOSURE WITH THE LASER BEAM.
CAUTION : USE OF CONTROLS, ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN, MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
Swedish
➀DENNA MÄRKNING (SE FIGUR) UPPLYSER OM ATT DET I APPARATEN INGÅR EN LASERKOMPONENT AV
TYP KLASS 1.
➁VARNINGSMÄRKNING (SE FIGUR) FÖR STRÅLNING. INGREPP I APPARATEN BÖR ENDAST FÖRETAGAS AV
FACKMAN MED KÅNNEDOM OM LASER. APPARATEN INNEHÄLLER EN LASERKOMPONENT SOM AVGER
STRÅLNING ÖVERSTIGANDE GRÄNSEN FÖR LASERKLASS 1.
VARNING : OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRREN ÄR URKOPPLAD.
STIRRA EJ I STRÅLEN OCH BETRAKTA EJ STRÅLEN GENOM OPTISKT INSTRUMENT.
CAUTION: USE OF CONTROLS OR ADJUSTMENTS
OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED
HEREIN MAY RESULT IN HAZARDOUS
RADIATION EXPOSURE.
THE MINI DISC RECORDER SHOULD NOT BE
ADJUSTED OR REPAIRED BY ANYONE EXCEPT
PROPERLY QUALIFIED SERVICE PERSONNEL.
AC LEAKAGE
TESTER OR
EQUIVALENT
EQUIPMENT
UNDER TEST
INSULATING
TABLE
WALL
OUTLET
■ TO SERVICE PERSONNEL
1
➀
Laser Diode Properties
Material: GaAIAs
Wavelength: 785 nm
Pulse time: Read mode ...0.6 mW Continuous
Write mode ...max 10 mW 0.5S
min cycle 1.5S
Repetition
➁
Critical Components Information.
Components having special characteristics are marked Z
and must be replaced with parts having specifications equal
to those originally installed.
R, G, B models
R, G, B models

MDX-E100
MDX-E100
2
■REAR PANELS
▼ A model
▼ B model
Danish
➀DETTE MÆRKAT ER ANBRAGT SOM VIST I ILLUSTRATIONEN FOR AT ADVARE BRUGEREN OM AT AP-
PARATET INDEHOLDER EN LASERKOMPONENT.
➁DETTE MÆRKAT OM LASEREN ER ANBRAGT PÅ APPARATET SOM EN OPLYSNING OM AT APPARATET
INDEHOLDER ET LASERKOMPONENT.
ADVARSEL : USYNLIG LASERSTRÅLING VED ÅBNING, NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION.
SE IKKE IND I STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
ADVARSEL : USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES OG SIKKERHEDSLÄS BRYTES. STIRR IKKE INN I
STRÅLEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
Finnish
VARO! :
AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASER-SÄTEILYLLE.
ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ OPTISEN LAITTEEN LÄPI.
▼ G model
▼ R model
240V

MDX-E100
MDX-E100
3
■SPECIFICATIONS
Units : mm (inch)
Digital audio system
System
MiniDisc digital audio system
Disc
MiniDisc
Recording method
Magnetic field variation overwrite
Reading method
Non-contact optical pickup (using semiconductor laser)
Laser
Semiconductor laser
Laser Diode Properties
Material: GaAIAs
Wavelength: 785 nm
Pulse time:
Read mode ... 0.6 mW Continuous
Write mode ... max 10 mW 0.5S
min cycle 1.5S
Repetition
Record/playback time
Max. 74 minutes
74 minutes (stereo)
148 minutes (mono)
Revolutions
Approx. 400-900 rpm (CLV)
Error Correction
ACIRC (Advanced Cross Interleave Reed-solomon Code)
Sampling frequency
44.1 kHz (32 kHz and 48 kHz signals converted to 44.1 kHz
for recording)
Coding
ATRAC (Adaptive TRansform Acoustic Coding)
Modulation system
EFM (Eight-to-Fourteen Modulation)
Number of channels
2 (stereo) or 1 (mono, for extended recording)
Frequency Response
5 - 20,000 Hz ±0.5 dB
Signal-to-Noise Ratio
More than 99 dB during playback
Wow and Flutter
Below measurable limit
Inputs
LINE IN (REC)
Type: pin jack
Input impedance: greater than 50 k-ohms
Standard input level: 300 mV
DIGITAL IN (OPTICAL) 1/2
Type: square optical connector jack
Outputs
LINE OUT (PLAY)
Type: pin jack
Standard output level: 2.0 ±0.5 Vrms
DIGITAL OUT (OPTICAL)
Type: square optical connector jack
GENERAL
Power Supplies
A model 240 V, 50 Hz
G, B models 230 V, 50 Hz
R model 110/120/220/240 V, 50/60 Hz
Power Consumption
16 W
Dimensions (W x H x D)
217 x 88 x 298 mm (8-9/16" x 3-7/16" x 11-3/4")
Weight
3.0 kg (6 lbs. 9 oz.)
Accessories
Remote Control.... 1
Audio cord... 2
Optical cord... 1
Batteries (size AA, R6, UM-3).... 2
Specifications subject to change without notice.
A : Australian model
B : British model
G : European model
R : Genaral model
8
(5/16") 275(10-13/16") 12
(1/2")
11
(7/16") 298(11-3/4")
217(8-9/16")
80
(3-1/8")
88
(3-7/16")

MDX-E100
MDX-E100
Fig. 1
■DISASSEMBLY PROCEDURES
(Remove parts in disassembly order as numbered.)
Fig. 2
q
q
Top Cover
w
MD Mechanism Unit
Front Panel y
r
y
4
e
t
u
u
Shield Case (Top)
Shield Case (Bottom)
MD Mechanism Unit
■INTERNAL VIEW
1. Removal of Top Cover
a. Remove 4 screws ( q ) and 4 screw ( w ) in Fig. 1.
2. Removal of Front Panel
a. Remove 2 connectors.
CB101, CB107
b. Remove 2 screws ( e ) and 2 screws ( r ) in Fig. 1 .
3. Removal of MD Mechanism Unit
a. Remove 1 connector.
CB102
b. Remove 4 screws ( t) in Fig. 1.
c. Remove 4 screws ( y) in Fig. 2.
d. Remove 2 screws ( u) in Fig. 2.
e. Remove 2 screws ( i) in Fig. 2.
CB107
CB102
CB101
qPOWER TRANSFORMER
wP.C.B. DIGITAL
eP.C.B. MAIN (1)
rP.C.B. MAIN (2)
rMD MECHANISM UNIT
t
Frame (Mechanism)
i
i
eq
t
w r
w
e
(Bind Head B-tite)
(Bind Head S-tite)

MDX-E100
MDX-E100
5
Disassembly of MD Mechanical Unit
Remove the MD mechanical unit according to Steps 1 - 3 of the disassembly procedure (page 4).
Removal of Magnetic Head (Fig.5)
1. Remove a screw (A1). Caution
a. When removing the magnetic head, hold its base and
do not touch the magnetic head itself or the leaf
spring.
b. Place the magnetic head upside down.
c. Use special care so as not to cause any damage to
the magnetic head when installing it.
(A1)x1
ø1.7x5mm
Fig. 5
( Q2 ) x 1
( Q1 ) x 4
1.7 x 3mm
( Q2 ) x 1
( Q2 ) x 3
(Q2)x1
(R1)x4
ø1.7x8.9mm
Removal of MD Main P.C.B. (Fig. 3)
1. Remove 4 screws (Q1).
2. Remove 6 connectors (Q2).
Removal of MD Mechanism (Fig.4)
1. Remove 4 screws (R1).Caution
Almost the entire surface of the cartridge holder is
coated with oil. When removing the mechanism, hold it
at the rear end (where marked with arrows in the figure)
and avoid touching the oiled surface.
Fig. 4
Fig. 3
Flexible P.C.B. for
optical pickup (*1) MD Main P.C.B.
(*1) After pulling off the flexible P.C.B.
for the optical pickup from the
connector, cover its end with
aluminum foil or the like which is
electrically conductive so as to prevent
the optical pickup from being
damaged by static electricity.
Frame
Cartridge Holder
Magnetic Head
MD Mechanism
Black
Gray
Gray
MD Mechanism
Leaf Spring
Sheet, Head

MDX-E100
MDX-E100
6
Removal of Cartridge Holder (Fig.6)
1. Open the roller arm lever in the arrow direction and move the clamper lever to the rear.
2. With a +5V voltage (*2) applied to the red line side of the blue connector of the loading
motor, push the rack gear in the arrow direction until the cam plate lever clicks.
(*2) A +5V voltage can be obtained from the positive lead (D6.5/5V) of C135 and the
ground terminal of the Main P.C.B.
3. Remove a screw (B1 and B2, 1 each) from the holder arm and remove the cartridge
holder by moving it to the left.
Slider Lever
Cartridge Holder
Clamper
Lever
Rack Gear
Roller Arm Lever
Loading
Motor
Cam Plate
Lever
(B1) x1
Ø1.7x5mm
(B2) x1
Fig.6
Caution
Be careful so that oil does not get on the clamper lever
which contacts the roller of the roller arm lever.
Installation of Cartridge Holder
•To install the cartridge holder, the rack of the mechanism must be
lowered toward the rear.
•While pushing the roller arm lever outward, push in the slider lever.
•Apply a +5V to the loading motor (until a clicking sound is heard) and
push in the rack gear.
•With the slider lever and the rack gear installed as described above,
fit the cartridge holder as shown in the figure and tighten the screws.
C135 Positive lead (D6.5/
5V)

MDX-E100
MDX-E100
7
Removal of Mechanism SW P.C.B. (Fig.7)
•Once the mechanism switch P.C.B. is removed, it will
be necessary to perform “Adjustment of Lead-in Switch
Position”. (See page 13.)
1. Remove 2 screws (E1) and then remove the Mecha-
nism SW P.C.B.
(E1)x1
Ø1.7x3mm
(E1)x1
Ø1.7x9.5mm
Fig.7
Fig. 8
Removal of Sled Motor/Loading Motor (Fig.8)
1. Remove 4 screws (D1) and then remove the sled
motor/loading motor.
(D1)x2
Ø1.7x2mm
(D1)x2
Ø1.7x2mm
Mechanism SW P.C.B.
Loading Motor
Sled motor
Caution
Use care so as not to cause any damage to the gear.
(The damaged gear will cause abnormal noise to occur
while searching.)
Installation of Mechanism SW P.C.B.
•Set the mechanism to the eject mode by applying -5V
to the loading motor.
•Install the Mechanism SW P.C.B. by aligning the hole
in the P.C.B. onto the guide-pin.
•Push the lead switch on the Mechanism SW P.C.B.
toward the optical pickup side (so that looseness in the
guide-pin hole is eliminated).
•Tighten screws and apply thread lock.
•Measure the lead-in switch position. (See page 13.)
(Enter the result in EEPROM.)
Lead-in switch
Mechanism SW P.C.B.
(E1)x1
Ø1.7x9.5mm
(E1)x1
Ø1.7x3mm
Guide-pin

MDX-E100
MDX-E100
8
Removal of Optical Pickup Head (Fig.10 and Fig.11)
1. Remove 3 screws (F1).
Caution
Use care so as not to cause any damage to the gear.
(The damaged gear will cause abnormal noise to occur
while searching.)
2. Remove a screw (F2).
The leaf spring (A) attached to the P.U. will be reused
when replacing the pickup. It is not supplied with the
optical pickup.
3. Using tweezers or the like, pull the PU shaft from the
base a little. Pull only enough to allow the pickup to
come off. If it is pulled off completely, the oil on the
shaft will be scraped off.
Be sure to keep oil on the shaft!
Fig. 10
Fig.9
Removal of Spindle Motor (Fig.9)
•Once the spindle motor is removed, it will be neces-
sary to perform “Pickup Rating”. (See page 14.)
1. Remove 3 screws (C1).
2. Remove the spindle motor by moving it in the arrow
direction.
Caution
a. Be careful not to scratch the gear.
(Scratched gear will produce noises during searching.)
b.As the turn-table is magnetized, keep foreign objects
from being attracted.
(C1)x1
Ø1.7x2.1mm
(C1)x3
Ø1.7x2.5mm
(F1)x3
Ø1.7x9.5mm
Turn Table
Spindle Motor
Optical Pickup Head
Fig. 11
Assembly of Optical Pickup
•When installing the pickup to the MD guide (A), be
sure to tighten the leaf spring (A) with it.
•When installing the pickup to the MD mechanism, fit
the pickup into the MD guide (B) first, match the boss
of the MD guide (A) and its hole in the chassis and
tighten them with a screw.
(F2)x1
Ø1.4x2.2mm
MD Guide (A)
PU Shaft
Leaf Spring (A)
Optical Pickup
Fit the pickup into the MD guide (B) first
MD Guide (B)

MDX-E100
MDX-E100
TEST MODE
1. How to set to the test mode
1) Press the POWER button while pressing the INPUT button and the STOP button.
Version of microprocessor is displayed for about 1 second, as shown below.
t s m 1 3 * * e * *
Version of EEPROM protect data (from 01)
Version of microprocessor ROM (from 01)
“EJECT”on display
2) Load either a disc for reproduction or a disc for recording.
“AUT YOBI”on display
This completes setting to the test mode.
2. How to set to each mode
Every time the DISPLAY button (REMOCON) is pressed, the mode changes. (For operation of each mode, refer to the
section describing each mode.)
Preparation before Adjustment
●Test disc
->AUTO pre-adjustment -> AUTO adjustment -> RESULT preparation -> RESULT -> MANUAL pre-adjustment ->
MANUAL adjustment -> EEPROM setting
●Extension cable (see connection diagram on page 14.)
High reflecting disc TDYS1 (SONY) [for reproduction] (P/No. TX945850)
Low reflecting disc Commercially available mini disc for recording
Low reflecting disc MMD-318 [for pre-adjustment] (P/No. AAX04890)
Type Test disc
1. Extension P.C.B. for servicing TX946230
2. 2-pin extension connector for servicing TX946200
3. 6-pin extension connector for servicing TX946210
4. 5-pin flat cable for servicing TX946190
5. 28-pin flat cable for servicing TX946220
Type Part No.
3. How to cancel test mode
Caution) The AUTO pre-adjustment and AUTO adjustment modes are used for adjustment during servicing. Other modes
are used when checking the specific measured values and adjusted values or when changing the set value and the
adjusted value. Note that use of other modes will rewrite RAM and EEPROM.
1) Finish the AUTO pre-adjustment and AUTO adjustment. ( “COMPLETE”appears on the display)
2) Press the REC/PAUSE button (REMOCON). ( “TEST END”appears on the display)
3) Eject the disc by pressing the EJECT button.
4) Turn off the power.
●When using a new combination of a mechanical pickup and an MD P.C.B. after a repair or for some other
reason, make sure to set to the TEST mode and perform AUTO pre-adjustment and AUTO adjustment accord-
ing to the following procedure.
1) Set to the TEST mode and perform AUTO pre-adjustment and AUTO adjustment.
2) Cancel the TEST mode by pressing the REC/PAUSE button (REMOCON).
(Writing into EEPROM starts from here.)
3) Eject the disc by pressing the EJECT button.
4) Turn off the power.
9
■ADJUSTMENT & TEST MODE

MDX-E100
MDX-E100
Description of TEST modes
1. AUTO pre-adjustment mode Automatic pre-adjustment is performed. (Grating adjustment mode after this adjustment.)
[ _ AUT _ YOBI _ ] Adjusted values are output by using the interface.
2. AUTO adjustment mode Automatic adjustment is performed.
[ AUTO _ AJST _ ] Adjusted values are output by using the interface.
Continuous reproduction is performed. (Error rate on display, jump test)
3. RESULT preparation mode Not used (Do not use this function as it is not for servicing)
[ _ RST _ YOBI _ ]
4. RESULT mode (main adjustment) Not used (Do not use this function as it is not for servicing)
[ _ RESULT _ _ _ ]
5. MANUAL pre-adjustment mode Not used (Do not use this function as it is not for servicing)
[ _ MNU _ YOBI _ ]
6. MANUAL adjustment mode Not used (Do not use this function as it is not for servicing)
[ _ MNU _ AJST _ ]
7. EEPROM setting mode Various factors of the digital servo function are changed manually.
[ EEPROM _ SET ] Each servo function is turned on independently.
The voltage is measured at the temperature detect terminal and the standard value is set.
8. TEST-PLAY mode Continuous reproduction from the specified address is performed.
[ TEST _ PLAY _ ] C1 error rate is measured and ADIP error rate is measured.
9. TEST-REC mode Continuous recording from the specified address is performed.
[ TEST _ REC _ _ ]
10. INNER mode The position where the INNER switch is turned ON is measured.
[ _ _ INNER _ _ _ ]
11. EJECT mode To TEMP setting (of EEPROM setting)
[ _ _ EJECT _ _ _ ] To CONTROL setting (of EEPROM setting)
Laser power setting (record/reproduction power) is performed.
10
1. AUTO pre-adjustment mode Low reflecting disc (MMD-318) only
Step Setting method Remark Display
1
2
3
4
5
Set the Test mode to STOP.
Load a disc.
Press the SET/ENTER button
(REMOCON) once.
Grating adjustment is performed and
adjusted values are output.
Adjustment is completed.
When adjustment is OK, press the
DELETE/CANCEL button (REMOCON).
When adjustment is NG, press the
DELETE/CANCEL button (REMOCON).
No disc is loaded.
Auto pre-adjustment menu
Auto pre-adjustment is started after sliding to the innermost
track.
“*** ”changes in the following order during automatic
adjustment.
HAo -> RFg -> SAg -> SBg -> PTG -> PCH -> GTG -> GCH ->
RCG -> SEG -> RFG -> SAG -> HAO -> HEO -> TCO -> LAO
Proceed to Step 4 when adjustment is OK.
Proceed to Step 5 when adjustment is NG.
The display returns to the AUTO pre-adjustment menu.
There is an abnormality at the adjusted point such as HAo.
Refer to “Troubleshooting”. (page 20)
[ EJECT ]
[ LOADING ]
[ _ AUT _ YOBI _ ]
[ *** : _ _ _ _ _ _ ]
[ _ COMPLETE _ ]
[ Can't _ ADJ. ]
[ _ AUT _ YOBI _ ]
[ Can't _ ADJ. ]

MDX-E100
MDX-E100
11
2. AUTO adjustment mode
Step Setting method Remark Display
1
2
3
4
5
6
Set the TEST mode to STOP.
Load a disc.
Press the DISPLAY button
(REMOCON) once.
Press the SET/ENTER button
(REMOCON) once.
Adjusted values are output.
Adjustment is completed.
When adjustment is OK, press the
SET/ENTER button (REMOCON).
Press the INPUT button.
Press the DELETE/CANCEL button
(REMOCON).
When adjustment is NG, press the
DELETE/CANCEL button
(REMOCON).
No disc is loaded.
AUTO pre-adjustment menu
AUTO adjustment menu
Automatic pre-adjustment is started after sliding to the innermost
track.
“*** ”changes in the following order when a high reflecting disc
(disc for reproduction) is used.
PEG -> HAG
“*** ”changes in the following order when a low reflecting disc
(disc for recording) is used.
PEG -> LAG -> GCG -> GEG -> LAG
Proceed to Step 4 when adjustment is OK.
Proceed to Step 5 when adjustment is NG.
Continuous reproduction (bit section)
(Address + C1 error display)
Continuous reproduction (group section)
(Address + C1 error display)
Continuous reproduction (group section)
(Address + ADIP error display)
Display returns to the AUTO adjustment menu display.
There is an abnormality at the adjusted point such as PEG.
Refer to “Troubleshooting”. (page 20)
[ tsm13**e** ]
[ EJECT ]
[ LOADING ]
[ _ AUT _ YOBI _ ]
[ AUTO _ AJST _ ]
[ *** : _ _ _ _ _ _ ]
[ _ COMPLETE _ ]
[ Can't _ ADJ. ]
[ sXXXX cYYYY ]
[ aXXXX cYYYY ]
[ aXXXX aYYYY ]
[ AUTO _ AJST _ ]
[ Can't _ ADJ. ]
Note) *** : Adjustment name, XXXX: Address, YYYY: Measured value
8. TEST-PLAY mode
(Use this mode to check that the playback function is provided at the specified address.)
Step Setting method Remark Display
1
2
3
4
5
6
Load a disc.
Press the TITLE button (REMOCON).
Press the INPUT button (REMOCON).
Press the SET/ENTER button
(REMOCON).
Continuous reproduction (bit section)
Continuous reproduction (group section)
Press the INPUT button (REMOCON).
Continuous reproduction (group section)
Press the DELETE/CANCEL button
(REMOCON).
AUTO pre-adjustment menu
TEST-PLAY menu
ADDRESS setting (The initial value of the target address is displayed.)
Set the search output to “H”while searching and back to “L”when
continuous reproduction is started.
(Address + C1 error display)
(Address + C1 error display)
(Address + ADIP error display)
TEST-PLAY menu
[ _ AUT _ YOBI _ ]
[ TEST _ PLAY _ ]
[ ADRES _ 5 ]
[ sXXXX cYYYY ]
[ aXXXX cYYYY ]
[ aXXXX aYYYY ]
[ TEST _ PLAY _ ]
•Every time the TITLE button (REMOCON) is pressed in the address setting mode, the address changes in the order of 5 -> 3C ->
7 -> 8A -> 5 -> —
•Pressing the DISPLAY button (REMOCON) in the TEST-PLAY menu changes to the AUTO pre-adjustment menu.

MDX-E100
MDX-E100
9. TEST-REC mode
Use a disc for confirmation of recording function. (It is used to check the REC function at the specified address.)
Step Setting method Remark Display
1
2
3
4
5
Load a disc.
Press the TITLE button (REMOCON) twice.
Press the SET/ENTER button (REMOCON).
Press the SET/ENTER button (REMOCON).
Press the DELETE/CANCEL button
(REMOCON).
AUTO pre-adjustment menu
TEST-REC menu
ADDRESS setting (The initial value of the address is displayed.)
Set the search output to “H”while searching and back to “L”when
continuous reproduction is started.
Continuous recording
TEST-REC menu
[ _ AUT _ YOBI _ ]
[ TEST _ REC _ _ ]
[ a 5 _ pw ZZ ]
[ aXXXX _ pw ZZ ]
[ TEST _ REC _ _ ]
•Every time the TITLE button (REMOCON) is pressed in the address setting mode, the address changes in the order of 5 -> 3C ->
7 -> 8A -> 5 -> —
•Pressing the DISPLAY button (REMOCON) in the TEST-REC menu changes to the AUTO pre-adjustment menu.
10. INNER mode
Step Setting method Remark Display
1
2
3
4
Load a disc.
Press the CHARA button (REMOCON).
Press the SET/ENTER button (REMOCON).
Press the DELETE/CANCEL button
(REMOCON).
AUTO pre-adjustment menu
INNER menu
INNER switch position is measured.
(Both SUBQ address and C1 error are displayed.)
INNER menu
[ _ AUT _ YOBI _ ]
[ _ _ INNER _ _ _ ]
[ sXXXX cYYYY ]
[ _ _ INNER _ _ _ ]
•Pressing the DISPLAY button (REMOCON) in the INNER menu changes to the AUTO pre-adjustment menu.
11. EJECT mode
Step Setting method Remark Display
1
2
3
4
5
6
7
EJECT status in the TEST mode
Press the INPUT button (REMOCON).
Press the INPUT button (REMOCON).
Press the INPUT button (REMOCON).
Press the TITLE edit button (REMOCON).
Press the CHARA button (REMOCON).
Press the DELETE/CANCEL button
(REMOCON).
EJECT menu (No disc is loaded.)
Maximum power output status
Recording power output status
Reproduction power output status
To TEMP setting of EEPROM setting
(Refer to TEMP setting of EEPROM.)
To CONTROL setting of EEPROM setting
(Refer to CONTROL setting of EEPROM.)
EJECT menu
[ _ _ EJECT _ _ _ ]
[ xpw _ _ _ _ _ _ _ ]
[ rpw _ _ _ _ _ _ _ ]
[ ppw _ _ _ _ _ _ _ ]
[ _ _ EJECT _ _ _ ]
●Confirmation of pick-up laser power
Recording and reproduction can be checked by using the laser power meter. However, it should be used for checking only
because there is variation in its measurement.
When the measured value is excessively deviated from the reference value, replace the pick-up.
Reference value (measured at room temperature of 25 °C)
During reproduction (ppw) : 0.72 ±0.1 mW
During recording (vpw) : 5.5 ±0.5 mW
Note :Be very careful when using the laser power meter. The laser beam would cause damage to your eye if exposed to it
directly.
12

MDX-E100
MDX-E100
●Forced rotation of loading motor
It is possible to force the loading motor to rotate by turning the jog dial when the microprocessor version (tsm13**e**)
of the test mode or EJECT appears on display. (This is used when the disc cannot be ejected.)
* To obtain the microprocessor version on display When a disc is loaded, “_ AUT _ YOBI _ ”appears on display. Press
the DELETE/CANCEL key (REMOCON) in this state, and the microprocessor version will appear.
●Lead-in switch position measurement mode
Load a TDYS1 disc for reproduction (high reflecting disc).
Note) Adjust the position of the lead-in switch to FF85 - FFD2.
1. Loosen 2 screws (A) fixing the mechanism switch P.C.B.
2. Retighten screws while pushing the mechanism switch P.C.B. in the arrow (➔) direction and then measure the
position of the lead-in switch again. After adjusting the position, tighten 2 screws (A) securely. (Fig.12)
Fig.12
Loosen 2 screws (A)
Lead-in switch
Mechanism SW P.C.B.
Note) Apply thread lock to 2 screws on the
P.C.B. after tightening them.
●Confirmation of magnetic head installation position
•After replacing the magnetic head and the optical pick-up, be
sure to confirm their installation positions.
•To facilitate adjustment of their installation positions, bring the
optical pick-up to the center position and follow the procedure
described below.
1.Push down the up-shift arm of the magnetic head with a finger to
raise the magnetic head.
2.Looking at the unit from above, check if the magnetic head
matches with the optical pick-up objective lens.
3.Check to ensure that the magnetic head moves up and down
smoothly.
Push down with a finger.
Magnetic head
Magnetic head
Circumferential direction
Objective lens
Radial direction
13

MDX-E100
MDX-E100
14
Fig. 14
MECHANISM ADJUSTMENT
When making adjustment, be sure to connect an extension cable for servicing and an expansion P.C.B. as shown in
Fig.15.
Oscilloscope
GND CH1 CH2
XY
IC1101 No.43 pin
GND (TP1125)
IC1101 No.26 pin
EOUT (TP1129)
IC1101 No.25 pin
FOUT (TP1130)
100K
470p
470p
a
b
Lissajous waveform
a:b = Within 4:1
100K
1
23
1
2
3
Adjustment hole
Spindle motor
Spindle motor
Adjustment hole
After performing automatic adjustment in the AUTO mode
selected from the test mode by using a high reflecting MD
disc (COMPLETE status on display), adjust the EOUT to
FOUT Lissajous waveform (x-y).
1. Loosen 3 screws of the spindle motor a little and make
adjustment while watching the Lissajous waveform.
2. After adjustment, tighten screws in the order of (q), (w)
and (e).
Fig. 13
FFC for 5P extension
TX946190
Connector for 2P extension
TX946200
CN1602(Rear face)
CN1601(Rear face)
CN1603(Rear face)
CN1604(Rear face)
CN1300(Rear face)
CN1101
MD Main P.C.B.
Connector for 6P-2P extension
TX946210
FFC for 28P extension
TX946220
Extension P.C.B. for servicing
(TX946230)
Install an Extension P.C.B. for servicing
to the mechanism.
From optical pickup
From magnetic head
From motor
Mechanism
SW P.C.B.
Fig. 15
(Externally attached)
1. Optical pickup rating inspection method
Check the Lissajous wave-
form while adjusting the
installation position by using a
screwdriver in the adjustment
hole in the spindle motor.
(See page E41/J39)

MDX-E100
MDX-E100
15
1. Procedure to change the EE-PROM and write the
initial value of the microprocessor into EE-PROM
(1) Replace the EE-PROM.
(2) Refer to the latest “List of EE-PROM contents”.
(3) Press the POWER button while pressing the INPUT
button and the STOP button to start the test mode.
(4) Version on display
Version of EEPROM protect data (from 01)
t s m 1 3 * * e * *
Version of microprocessor ROM (from 01)
(5) Load a disc.
[ AUT YOBI ]
(6) Press the DISPLAY button (REMOCON) 6 times.
[ EEPROM SET ]
(7) Perform the procedure to have “EE-PROM setting
mode transition diagram”displayed, compare it with
“List of EE-PROM contents”and set to “List of EE-
PROM contents”by using the jog dial.
(8) Set the temperature standard value.
(Refer to “Procedure to set the temperature standard
value”.)
(9) Use the same settings as “List of EE-PROM con-
tents”for all.
10)Set to the TEST mode and perform AUTO pre-
adjustment and AUTO adjustment.
11)Cancel the TEST mode by pressing the REC/PAUSE
button (REMOCON).
(Writing into EEPROM starts from here.)
2. Procedure to set the temperature standard value
(This setting should be performed within the room
temperature range of 21 ˚C - 29 ˚C.)
(1) Have the AUTO pre-adjustment mode menu dis-
played.
[ AUT YOBI ]
(2) Compensate the temperature to be suitable for the
ambient temperature, referring to the table below.
Example : When the ambient temperature is 22 ˚C
and the temperature measured value is 7AH
Temperature set value = 7AH –01H
= 79H
* When the measured temperature deflects between 2
values, use the smaller one as the measured value
(79Hif measured values are 7AHand 79H).
(3) Press the DISPLAY button (REMOCON) 6 times.
[ EEPROM SET ]
(4) Press the SET/ENTER button (REMOCON) 7 times.
[ Focus ]
Ambient temperature Compensation value
+ 21.0 ˚C - + 23.2 ˚C–01H
+ 23.3 ˚C - + 26.8 ˚C±0H
+ 26.9 ˚C - + 23.7 ˚C+ 01H
PROCEDURE TO WRITE DATA INTO EE-PROM (IC1402)
●Focus setting
Item on display Set value
FG ❍ ❍ DA H
FF1 ❍ ❍ 70 H
FF2 ❍ ❍ E0 H
FZHLEV ❍ ❍ ED H
FOKLEVn ❍ ❍ 08 H
FOKLEVf ❍ ❍ 08 H
FOKLPFn ❍ ❍ 00 H
FOKPFVf ❍ ❍ 88 H
WAITf ❍ ❍ 90 H
●Spin setting
Item on display Set value
SPG ❍ ❍ 20 H
SPG-in ❍ ❍ B8 H
SPG-mid ❍ ❍ 95 H
SPG-out ❍ ❍ 79 H
SP1 ❍ ❍ 10 H
SP2 ❍ ❍ 87 H
SP3 ❍ ❍ E3 H
SP4 ❍ ❍ E3 H
SP5 ❍ ❍ 10 H
SPDLIM ❍ ❍ 7F H
Item on display Set value
TG ❍ ❍ 6B H
TF1 ❍ ❍ 6B H
TF2 ❍ ❍ E0 H
SVCNT4 ❍ ❍ 00 H
TRBLVo ❍ ❍ 50 H
TRBLVt ❍ ❍ 54 H
TRkLVo ❍ ❍ 50 H
TRkLVt ❍ ❍ 2E H
TDPWo ❍ ❍ 89 H
TDPWt ❍ ❍ 1A H
SLCTo ❍ ❍ 00 H
SLCTt ❍ ❍ 40 H
SLCTm ❍ ❍ 53 H
TCRSCIP ❍ ❍ 16 H
COTLVP ❍ ❍ 0A H
COTLVr ❍ ❍ 1C H
WAITm ❍ ❍ FF H
●Tracking setting
LIST OF EE-PROM CONTENTS
(5) Press the DISPLAY button (REMOCON) 4 times.
[ Temp ]
(6) Press the SET/ENTER button (REMOCON).
[ TEMP ❍ ❍ ◆ ◆ ]
❍ ❍ : Temperature measured value
◆ ◆ : Temperature set value
(7) Adjust the temperature set value to the value ob-
tained as described above by using the jog dial.
(8) Press the DELETE/CANCEL button (REMOCON).
[ Temp ]

MDX-E100
MDX-E100
16
SLG ❍ ❍ 3B H
SL2 ❍ ❍ 18 H
SLDLIM ❍ ❍ 7F H
SLDLEV ❍ ❍ 12 H
SLKLVk ❍ ❍ 50 H
SLKLVt ❍ ❍ 3A H
SLKLVm ❍ ❍ 50 H
●Slide setting
Item on display Set value
●Control setting
Item on display Set value
CONTROL1 ❍ ❍ 80 H
CONTROL2 ❍ ❍ 02 H
SPKLEVm ❍ ❍ 26 H
ADJTTM ❍ ❍ 14 H
HDEQAD ❍ ❍ 92 H
LDEQAD ❍ ❍ 8F H
GDEQAD ❍ ❍ 8D H
HDEQBC ❍ ❍ 8C H
LDEQBC ❍ ❍ 8F H
GDEQBC ❍ ❍ 8D H
HALSG ❍ ❍ 21 H
LALSG ❍ ❍ 21 H
GALSG ❍ ❍ 11 H
HALSOFS ❍ ❍ FF H
LALSOFS ❍ ❍ 00 H
GALSOFS ❍ ❍ 00 H
Item on display Set value
COK ❍ ❍ A0 H
FAT ❍ ❍ C0 H
TAT ❍ ❍ 3E H
CAT ❍ ❍ 20 H
FAB ❍ ❍ 64 H
STR ❍ ❍ 0A H
SFS ❍ ❍ 0D H
STC ❍ ❍ 0D H
●Adjust setting
EE-PROM SETTING MODE TRANSITION DIAGRAM
Note) To return to the SUB MENU or MAIN MENU display of the test mode, press the DELETE/CANCEL button.

MDX-E100
MDX-E100
■SPECIAL TEST MODE
●How to set to the special test mode
Press the POWER button while pressing the REC/PAUSE button and the STOP button. Then all the indicators will light up.
●Operation procedure
Every time the REC/PAUSE button is pressed, lighting of indicators and items on the display change as follows.
1) All indicators light up.
2) All indicators turn off.
3) Segments not sharing the border light up.
4) Above segments turn off and other segments light up.
5) The date when the software was entered appears on the display.
6) The version of the micro processor appears on the display. [ CPU Ver:Z1 4 ]
7) The time of auto-marking appears on the display. [ AM Time :C8h ]
8) The analog level of auto-marking appears on the display. [ AM Lv1_A:24h ]
9) The digital level of auto-marking appears on the display. [ AM Lv1_D:1Ah ]
10) Write/read check for EEPROM appears on the display [ EE W/R Check ]
When the INPUT button is pressed at this point, whether the micro processor executed data write/read function into
EEPROM or not is checked.
If [OK] appears on the display and the pin 6 of IC106 is at “H”, the check result is satisfactory.
[NG] is displayed when there is an error while writing or reading the data.
In such a case, check EEPROM (IC107).
11) Display the checking "Check SUM" of the micro processor program. [ Check SUM ]
Press the PLAY button during "Check SUM" appears to confirm CHECK SUM of present program.
12) Display the checking "Corr. Receive". [ Corr Receive ]
13) Display the checking "R.Corr.Clear". [ R.Corr.Clear ]
●How to cancel the special mode
Press the STOP button, and the mode will change from the special test mode to the product mode and the data in RAM will
be cleared.
Note : Turning off the power will cancel the special test mode but will not clear the data in RAM.
17
Data to write in EEPROM (IC107) Initial settings
INPUT mode ANALOG
REPEAT mode OFF
RANDOM mode OFF
PROGRAM mode OFF
REC mode (STEREO/MONO) STEREO
AUTO MARK/MANUAL AUTO (“MANUAL”does not light up.)
DISPLAY mode DISC TITLE

MDX-E100
MDX-E100
18
Can't REC
Can't Copy
DIGin Unlock
TOC Full
UTOC ERR R
UTOC ERR A
UTOC ERR L0 - 4
Not Audio
Disc Full
Playback MD
Protected
Error on display Description Countermeasure
■ERROR DISPLAY
•DEFECT occurred 10 times continuously during REC-
PLAY.
•Recordable cluster became “0”due to occurrence of
DEFECT during REC-PLAY.
•REC mode cannot be set for 20 seconds even after
repeated try of reading the read disabled address.
•One of the following judgments has been made
depending on the channel status of the digital signal
inputted from D-IN during REC-PAUSE or REC-PLAY.
(1) Other than audio
(2) Other than civil purpose
(3) Copy NG due to reversed COPY bit of CD
•Either of the following symptoms occurred for the digital
signal inputted from D-IN during REC-PAUSE or REC-
PLAY.
(1) Digital IN PLL is unlocked.
(2) Locked under conditions other than FS=44.1kHz.
•No space is left to register music No and character data
(song name, disc name, etc.) while the REC-PLAY
function is used.
•No recordable space is left when trying to activate the
REC-PAUSE function.
•“FTNO > LTNO”occurred.
•“FTNO = 0 or 1”occurred.
•UTOC recorded in the disc could not be read.
•“Start address > end address”occurred.
•Any one of the UTOC0 - 4 data was looped.
•Data not for audio purpose is recorded in the track mode
of TNO which is currently selected.
•No recordable space is left when trying to activate the
REC-PAUSE function.
•The loaded disc was for reproduction only when trying to
activate the REC-PAUSE function or trying to edit.
•Recording of editing was attempted while the data
protector of the disc for recording and reproduction is
set to the data protected state.
•Editing the track subject to write protect function was
attempted by using the data written in UTOC.
•Check that the disc is free from scratch, dust,
finger print, black spot, etc. and that
decentering, face deflection, etc. are not
excessive.
•Check if the CD is a copy-inhibited one (e.g.,
CD-R, etc.)
•Check that the D-IN signal line is free from
abnormality.
•Use a disc for recording and reproduction with a
space left to register UTOC.
•As an abnormality exists in the UTOC data, use
another disc.
•Select another TNO or use another disc.
•Use another disc for recording with a recordable
space left.
•As the loaded disc is for reproduction only, use
a disc for recording.
•Try again with the data protector set to the
original position.
•As the track to be edited is write protected, try
again with another track.

MDX-E100
MDX-E100
19
Can' t Edit
TMP Over!!
DISC ERR R
DISC ERR S
DISC ERR W
TOC ERR S
TOC ERR R
U TOC W ERR
FOCUS ERR
BLANK DISC
TOC W ERROR
EEPROM ERROR
Error on display Description Countermeasure
Mechanism Error
Error on display Description
MECHA_ERR2_* The head fails to move up.
MECHA_ERR3_* The head fails to move down.
HINF (IC1401 No.97 pin)
*= E Eject completed position < 1.3 V
*= M Horizontal midway position > 3.06 V
*= L Load completed position 1.853 - 2.48 V
*= D Head down position 1.3 - 1.853 V
•Editing conditions were not satisfied with respect to
each editing function.
•The temperature in the set (MD unit) went up exces-
sively high due to occurrence of some abnormality.
•The data was not correct or it was not possible to read it
correctly.
•Recording the music data failed as an abnormality
occurred while recording it.
•The TOC data was not correct.
•It was not possible to read the TOC data.
•It was not possible to rewrite UTOC correctly and an
abnormality occurred while rewriting it.
•The disc was loaded but it was not possible to draw in
FOCUS.
•The total number of TNO and NAME characters was “0”
as a result of reading UTOC.
•UTOC can be read but cannot be rewritten.
•The EEPROM data is not correct
•Wrong operation procedure was used. Try
again by using the correct procedure.
•Check according to troubleshooting.
•Check the temperature of the area where the
unit is used.
•Use another disc as there is an abnormality in
TOC or UTOC data or the disc has a scratch or
other faulty condition.
•The TOC data recorded in the disc is not in
compliance with the MD standard.
•Use another disc as the disc has a scratch or
other faulty condition.
•Use another disc as the disc has a scratch or
other faulty condition.
•Check that the disc is free from scratch, dust,
finger print, black spot, etc. and that
decentering, face deflection, etc. are not
excessive.
•Check if the disc is recordable by actually
recording.
•Check if the recording head contacts properly
and if wiring from the circuit board to the
recording head is free from breakage.
•Try again after resetting and if still NG, replace
EEPROM.