Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment PROLOGY Car Audio MCE-500 prology mce-500
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Car Audio MCE-500
TABLE OF CONTENTS
Page
Technical Specificatio ns ....................................................1-2
Measurem ent setup . ...................................... ...... .............1-3
Service A ids, Safety I nstruction, e tc ....... ...... .. ........... 1-4 to 1-5
Preparati ons & Contro ls .............. ......... ......... .......... 1-6 to 1-11
Maintena nce & Troubleshooting ... .................. .. ................ 1-12
Disassem bly Instructi ons & Servic e positions ..... ...... ....... ...... 2
Set Block diagram ... .................. ................. . ..... ............. ...... 3
Set Wiring diagram ... ................. ........ ...... .... .................. ...... 4
Key Boar d .......................................... ................................. 5
Servo Bo ard ........................................ ...... .......................... 6
Main Boa rd .............. ........................... ...... ..................... ..... 7
Set Mechanical Explo ded view & p arts list .... ... ... ............... ..... 8
1-2
SPECIFICATIONS
General
Power supply: 12V DC(11V-16V)
Test voltage 14.4V, negative ground
Maximum power output: 55Wx4 channels
Continuous power output: 20Wx4 channels (4 , 10% T.H.D.)
Suitable speaker impedance: 4-8 ohm
Pre-Amp output voltage: 4.0V ( CD play mode: 1KHz, 0 dB, 10 K load )
Fuse: 15A
Dimensions(WxHxD) 178x50x155mm
Weight: 1.7kg
Aux-in level: 300
sub-out: 4.0V
FM Stereo Radio
Frequency range:Sensitivity: 87.5 - 108.0 MHz ( EUROPE MODE )
87.5 - 107.9 MHz ( USA MODE )
65.0 - 74.0 MHz ( OIRT MODE)
Usable sensitivity: 8 dB
Quieting sensitivity(S/N=50dB): 12 dB
Frequency response: 30Hz-15KHz
Stereo separation: 30dB(1KHz)
Image response ratio: 50dB
IF response ratio: 70dB
Signal/noise ratio 55dB
Disc Player
System: Disc digital audio system
Frequency response: 20 Hz - 20KHz
Signal/noise ratio: 80 dB
Total harmonic distortion: Less than 0.20%(1KHz)
Channel separation: >60 dB
Components
Mountingcollar 1
Machine screws M5x6 mm 4
Mountingbolt (50 mm) 1
Wire connector 1
Removable face plate case 1
Trim plate 1
L-key 2
Operating instructions 1
Rubber cushion 1
Remote Control (optional) 1
Note: Specifications and design are subject to change
without notice for product improvements.
1-3
MEASUREMENT SETUP
Tuner FM
Band pass
DUT 250Hz-15kHz LF Voltmeter
e.g. 7122 707 4 8001 e.g. PM2534
RF G enerator
e.g. PM5 326
S/N and distortion meter
e.g . Sound Tech nology ST1700B
U se a bandpass filter to el iminate hum(50Hz,100Hz) and disturbance from the pilottone( 19kHz,38kH z).
Tuner AM (MW,LW )
Bandpass
DUT 250H z-15kHz LF Voltmeter
e.g. 7 122 707 480 01 e.g. PM2 534
RF Gen erator
e.g. PM53 26
S/N and distortion meter
e.g. S ound Techno logy ST1700 B
Frame aeria l
e.g. 71 22 707 8900 1
To avoid atmospheric interference all AM-measurement s have to be carried out in a Faraday 's cage.
Use a bandpass filter ( or at lea st a high pas s filter with 2 50Hz) to eliminate hum ( 50Hz,100Hz ).
CD
Use Au dio Signal Disc SBC429 4822 397 30184
(replac es test disc 3)
DUT
L
R
S/N and dis tortion meter
e.g. Sou nd Technolo gy ST1700B
L EVEL METE R
e.g. Sennheiser UPM550
with FF-fil ter
1-4
HANDLING CHIP COMPONENTS
GENERAL DISMOUNTING MOUNTING
VACUUM PISTON e.g. A PAIR OF TWEEZERS
4822 395 10082
SOLDERING A
IRON
e.g.WELLER
Solder tip PT-H7
A SLODER
0.5-0.8mm
SOLDERING SLODERING PRESSURE
IRON IRON
SOLDER WICK
4822 321 40042
e.g. A PAIR OF TWEEZERS SLODERING TIME SOLDER B
< 3 secretary / side 0.5-0.8mm
PRESSURE SLODERING
IRON
HEATING HEATING B
CHIP
COMPONENT
SOLDER SOLDER
COPPER TRACK
SOLDERING
P.C.B IRON
EXAMPLES
GLUE CLEANING
SOLDER WICK C
CORRECT
PRECAUTIONS
SOLDERING
IRON
CORRECT
COPPER TRACK
SOLDERING SOLDERING
IRON IRON
NO
SERVICE PACKAGE CHIP COMPONENT
1-5
NL WAARSCHU WING
GB WARNING ESD
Alle IC's en vele andere halfgeleiders zijn
All ICs and many other semi-conductors are
gevoelig voor electrostatische ontladingen
susceptible to electrostatic discharges (ESD).
(ESD).
Careless handling during repair can reduce life
Onzorgvuldig behandelen tijdens reparatie kan
drastically.
de levensduur drastisch doen verminderen.
When repairing, make sure that you are Zorg ervoor dat u tijdens reparatie via een
connected with the same potential as the mass polsband met weerstand verbonden bent met
of the set via a wrist wrap with resistance. hetzelfde potentiaal als de massa van het
Keep components and tools also at this apparaat .
potential. Houd componenten en hulpmiddelen ook op
ditzelfde potentiaal.
F AT TENTION
I AVVERTIMENTO
D WARN I NG
Tous les IC et beaucoup d'autres
semi-conducteurs sont sensibles aux Tutti IC e parecchi semi-conduttori sono
decharges statiques(ESD). Alle ICs und viele andere Halbleiter sind sensibili alle scariche statiche(ESD).
Leur longevite pourrait etre considerablement empfindich gegenuber elektrostatischen La loro longevita potrebbe essere fortemente
ecourtee par le fait qu'aucune precaution n'est Entladungen(ESD). ridatta in caso di non osservazione della piu
prise a leur manipulation. Unsorgfaltige Behandlung im Reparaturfall kan grande cauzione alla loro manipolazione.
Lors de reparations,s'assurer de bien etre relie die Lebensdauer drastisch reduzieren. Durante le riparazioni occorre quindi essere
au meme potentiel que la masse de l'appareil et Veranlassen Sie,dass Sie im Reparaturfall uber collegato allo stesso potenziale che quello della
enfiler le bracelet serti d'une resistance de ein Pulsarmband mit Widerstand verbunden massa dell'apparecchio tramite un braccialetto
securite. sind mit dem gleichen Potential wie die Masse a resistenza.
Veiller a ce que les composants ainsi que les des Gerates. Assicurarsi che i componenti e anche gli utensili
outils que l'on utilise soient egalement ace Bauteile und Hilfsmittel auch auf dieses gleiche con quali si lavora siano anche a questo
potentiel. Potential halten. potenziale.
GB ATTENTION
Safety regulations require that the set be restored to its original Pour votre securite,ces documents
condition and that parts which are identical with those specified, doivent etre utilises par des specia-
be used. listes agrees,seuls habilites a reparer
votre appareil en panne .
NL
Veiligheidsbepalingen vereisen,dat het apparaat bij reparatie in
zijn oorspronkelijke toestand wordt teruggebracht en dat onderdelen,
identiek aan de gespecificeerde,worden toegepast.
CLASS 1
LASER PRODUCT
3 1 22 11 0 03 42 0
F
Les normes de securite exigent que I'appareil soit remis a I' etat
d'origine et que soient utilisees les pieces de rechange identiques
a celles specifiees.
GB Warni ng!
Invisible laser radiation when open.
Avoid direct exposure to beam.
D
Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu S Varnin g!
beachten.Der Original zustand des Gerats darf nicht verandert werden;
fur Reparaturen sind Original-Ersatzteile zu verwenden. Osynlig laserstralning nar apparaten ar oppnad och sparren
ar urkopplad. Betrakta ej stralen.
SF Varoit us!
I
Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina
Le norme di sicurezza esigono che I'apparecchio venga rimesso
nakymattomalle laserisateilylle. Ala katso sateeseen!
nelle condizioni originali e che siano utilizzati i pezzi di ricambio
identici a quelli specificati.
DK Advar se!
After servic ing and befor e returning s et to custom er perform a
leakage curr ent measurement test fro m all expose d metal part s to
Usynlig laserstra ling ved abning nar sikkerhedsafbrydere er
earth ground to assure no shock haza rd exist .The leakage curr ent ude af funktion.Undga udsaettelse for straling.
must not exc eed 0.5mA.
1-6
PREPARATIONS
Wiring Diagram
Green
Subwoofer(Optional)
Fuse 15A
Antenna
Aux-in R(Red) Connector
L(White) R(Red)
Rear Line-out (Gray)
L(White)
Front Line-out ( Brown) R(Red)
L(White)
ISO connector
Tel-mute/pink
Battery 12V(+)/yellow
Auto Antenna/blue
ACC+/red
Ground/black
Display switch
Play / Pause
Top play ( press
more than 2 sec.)
Intro play(10sec)
Track Repeat play
Track Random play
MP3 track-10 down
MP3 track+10 up
Band Switch
to turn on the unit. and EJ Power On : Press any button on the panel except
CONTROLS
1-7
1-8
REMOTE CONTROLS
Power On : Press any button on the remote control to turn on the unit.
Volume Radio Tune
Power on/off Track Seek
Radio
Mute Aux-in
Disc Play
Push to select VOL/BAS/ (when disc is in)
TRE/BAL/FAD , use Volume
button to adjust level Radio Preset scan
MUTE SRC AMS
Radio Auto Preset
Push more than 2 seconds VOL
to Menu mode
M P3 track/file/character
SEL AMS SEARCH
search
M P3 track/file/character MENU SEARCH
search FM1
TA AF/REG PTY BAND Band Switch
FM2
Traffic Announcements Program Type
Identification 1 2 3 4
/ TOP INT RPT RDM
FM3
Play / Pause
Top play ( press 5 6 DISP Display switch OIRT
Disc Playback
more than 2 sec.)
Radio Preset
Intro play(10 sec.) --
Track Repeat Play
Press to tune in
Track Random Play a preset station Alternative Frequency list
Hold for more
MP3 track-10 down than 2 seconds REG ( Region ) mode
to store station.
MP3 track+10 up
Replacing the lithium battery of remote control unit.
* When the op eratio n rang e of th e card remot e WARNINGS:
contr ol bec omes short o r no P roperl y, replace
the li thium battery with a new one. M ake s ure
S tore t he bat tery in place where children cannot re ach.
the b attery polarity replaceme nt is c orrect.
I f a chi ld acci dentally swa llows the ba ttery,
c onsul t a doc tor im mediately.
1. Pull out th e batt ery ho lder w hile p ressin g the s toppe r. D o not recha rge, sh ort, disasse mble o r heat the battery
o r disp ose it in a fir e.
D oing any of these things may c ause the battery to give
o ff hea t,crack or start a fi re.
D o not leave the ba ttery w ith other me tallic m ateri als.
D oing this ma y cau se the batter y to gi ve off heat, c rack
o r start a fire.
W hen throwing awa y or saving the battery, wrap it in tape
a nd ins ulate; otherwise, th e battery may start to give off
2. Inse rt the butto n-type lithium battery wi th the (+) heat, c rack o r start a fire.
mar k facin g upw ard. In sert t he bat tery ho lder in to the D o not poke t he battery with twe ezers or similar to ols.
rem ote co ntrol.
D oing this ma y cau se the batter y to give off heat, c rack
o r start a fire.
(CR 2025)
1-9
CONTROLS
Disc Load / Eject: Press to slide down the panel.
DO NOT apply excessive
Load: Insert the disc into the slot. Press to close the panel.
force to the panel.
Eject: Press EJ
to eject the disc close the panel.
It can cause DAMAGE.
DO NOT close the panel before disc is taken out.
Radio: Radio Tune by step : press less than 0.5 sec.
Radio Seek automatically : press more than 0.5 sec.
Disc Playback: Track skip : press less than 0.5 second to go to the next or previous track.
Track seek : press more than 0.5 second and hold it to fast forward or reverse back the track.
AMS : Auto Memory Store AMS
Press briefly to scan the preset station for 5 seconds each. Hold more than 2 seconds, the 6
strongest available station will be automatically saved in the memory of preset button .
SET CLOCK DISP
Press DISP button, time displays. Press again more than 2 seconds, time display blinks.
Rotate the knob clockwise to set hours. Rotate the knob anticlockwise to set minutes.
Press the button more than 2 seconds to enter menu mode , then each press changes the mode as follows:
TA mode MASK mode ESP mode DSP mode LOUD ON / OFF mode BEEP ON / OFF
VOL mode LOCAL / DX mode ST / MO mode SEEK1/2 mode
(only in tuner mode) (only in tuner mode) (only in tuner mode)
TA mode: Rotate the knob to choose TA ALARM or TA SEEK mode, When TA is turned on and no traffic program identification code
has been received during the specified time, no TA/TP is displayed and according to the MENU SELECT, alarm is set off,
or TA SEEK is activated.
TA ALARM mode : NO TA/TP is displayed and alarm is set off. TA SEEK mode: TA SEEK is activated.
ALBUM ALBUM
MUSIC MUS IC
ARTIST ARTI ST
1-10
CONTROLS
MASK mode: MASK DPI mode :
rotate the knob Only the AF which has different program identification is masked.
to choose MASK DPI MASK ALL mode :
The AF which has different program identification and NO RDS
or MASK ALL mode.
signal with high field strength is masked.
ALBUM ALBUM
MUSIC MUSIC
ARTIS T ARTIS T
DSP mode: Rotate the knob to choose DSP sound effect:
BEEP ON/OFF mode: Rotate the knob to choose button beep sound on or off.
POP ROCK CLASSIC FLAT DSP OFF
ALBUM
MUSI C
SEEK 1/2 mode: Rotate the knob to choose radio seek mode 1 or 2 . ART IS T
SEEK 1: searching station will stop when next station is received.
SEEK 2: searching station will stop when or button is released and next station is received.
LO/DX mode: Rotate the knob to choose tuner sensitivity local or distant.
ST/MO mode: Rotate the knob to choose FM stereo or mono.
VOL LAST / ADJUST MODE ALBUM
Press knob to choose VOL LAST : the turn-on volume
M US I C
ARTI ST
level is the volume level of latest power off.
Rotate knob to choose VOL A DJ,
then rotate the knob to set the turn-on volume level . ALBUM
MUSI C
ART IS T
1-11
MP3 PLAYBACK
ALBUM
MUSI C
ARTIS T
M P3
While playing MP3 disc, the folder/file name and ID3 tag(Song title, Album and Artist) can entirely scroll
displayed on the LCD display.
Elapsed playing time & Track number Folder name & number File name & number Song title Album title Artist name
MP3 Track search
AMS Press AMS button to select "TRACK SCH" mode.
Press the knob and LCD display will show "001".
ALBUM
MUSI C
ARTIS T
M P3
IF your desired track number is less than 100,
rotate the knob to select the first digit and press it once again
and rotate set the tenth digit of the track number.
Press the knob again more than 0.5 second to play the track.
ALBUM
MUSI C
ARTIS T
M P3
IF your desired track number is more than 100,
rotate the knob to select the first digit and press it to confirm,
rotate the knob to select the tenth digit and press it to confirm, * If the track number you enter is
rotate the knob to select the hundredth digit and press it to confirm, beyond the maximum file number,
Press the knob again to play the track. last song will be played.
MP3 File search IF you just want to play songs of this folder, press the knob
Press AMS button twice to more than 0.5 second to play the first track of the folder.
select "FILE SCH" mode.
IF you want to play desired track of the folder, press the knob
ALBUM
MUSI C
Press the knob to enter.
AR TIS T
M P3
and rotate to select the track you want.
Rotate the knob to select folder.
Press the knob again to play the track.
MP3 CHARACTER SEARCH
Press AMS button three times to select "CHAR SCH" mode.
Press SEL button and "A" displayed.
AMS Now If press SEL button more than 0.5 seconds. the track which first character of its name is "A" will be played.
Rotate the knob to select the 1st character of the desired track name and press SEL button to confirm.
Then "A" flashs at the next place, select 2nd and other character of the desired track name as steps above.
Press SEL more than 0.5 seconds to play the track of the select name.
Example :to search character "ECHO".
AL BUM ALBUM
MUS IC MUSI C
A T
RTIS A ST
RTI
MP3 MP3
AL BUM ALBUM
MUS IC MUSI C
A T
RTIS A ST
RTI
MP3 MP3
AL BUM ALBUM
MUS IC MUSI C
A T
RTIS A ST
RTI
MP3 MP3
1-12
MAINTENANCE AND TROUBLESHOOTING
Maintenance
Clea ring d isc
When a dis c beco mes d irty cle an it with a c leanin g cloth .
Wipe the di sc from the c enter out.
Clea ning t he dis c lens
After prolon ged u se, dir t or du st may accum ulate at the lens. To ens ure go od pla yback quality, clea n the d isc wit h Philips CD lens
Clea ner or any c omme rcially availa ble cle aner. Follow the in structi ons su pplied with c leaner.
Clea ning t he hea ds an d the Tape Parts
To en sure g ood p laybac k qual ity, cle an the heads A ,th e caps tan B ,
and p ressu re rolle r C a fter ev ery 50 hours of tap e operation. Used
a cot ton sw ab slig htly m oisten ed wit h clea ning flu id or a lcoho l.
You c an als o clea n the h eads by play ing a c leani ng tape once .
Troubleshooting
If you suspect something is wrong, immediately switch power off. Immediately stop using it and call the store where you purchased it.
Never try to repair the unit yourself because it is dangerous to do so.
General Radio
Car's engine switch is not on. Much noise in Station is too far, or signals are too weak.
Turn your car s key to ACC or ON. broadcasts Select other stations of higher signal level.
Cable is not correctly connected.
No power or Check connection.
no sound Fuse is burnt. Replace fuse. Battery cable is not correctly connected.
Check volume or mute on / off. Preset station
lost Connect the battery cable to the
If the above solutions cannot help, terminal that is always live.
press the RESET button.
Disc Error Display Messages
Disc is upside down. Disc is not CD or contains no MP3 files.
Place disc in the correct direction,
Disc is inserted but and the label side up.
no sound. Disc is dirty or damaged Disc upside down.
Clean disc or change another disc.
Recovery error, check the disc.
Disc sound skips, Disc is dirty or damaged.
tone quality is low. Clean CD or change another CD. MP3 error, check the disc.
Disc mechanism error
Mounting angle is over 30o. Press EJ
button to eject the disc.
o
Adjust mounting angle to less than 30 . In case that the disc cannot be
Sound skips due
ejected by pressing EJ
button,
to vibration. press the RESET switch and press
Unstable mounting. the EJ
button again.
Mount the unit securely with the If still not ejecting consult your
mounting parts. dealer.
2 -1 2-1
DISMANTLING INSTRUCTIONS
1Remove top cover 2Remove loader
P rize up the
t op cov er
Re move two sc rews
at the bo ttom c over
Remove two screws
Remo ve two screws
on the head sink at
3Remove main board left side
Pu ll out F PC wi re
Remove sc rew at rear
Re move two sc rews
at right si de
2 -2 2-2
DISMANTLING INSTRUCTIONS
Service Position A Service Position C
Service Position B Service Position D
3 3
SET BLOCK DIAGRAM
LCD Display
4 4
SET WIRING DIAGRAM
5-1 5-1
LCD PIN CONNECTION
KEY BOARD
TABLE OF CONTENTS
LCD Display ..................................................................... 5-1
Key Board Circuit Diagram .............................................. 5-2
Key Board Layout Diagram ............................................. 5-3 PIN SEGMENT DISPLAY
Elect rical Parts List ....................................... ...... . 5-4
5-2 5-2
KEY BOARD - CIRCUIT DIAGRAM
5-3 5-3
KEY BOARD - LAYOUT DIAGRAM
TOP VIEW
KEY BOARD - LAYOUT DIAGRAM
BOTTOM VIEW
5-4 5-4
ELECTRICAL PARTS LIST - KEY BOARD
Part N O. Description QT Y Loc ation Part N O. Desc ription Q TY Lo cation
83822 CM23 3KB03 1 CM23 3 KB S MT As sm 1 1212 90010 238 CM70 0,FILT ER S HEET 1
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