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Car Audio CMD-150
TABLE OF CONTENTS
Page
Technical Specificatio ns ............. .................. .................. ...1-2
Measurem ent setup . .................. .................. .. ...... .......... ...1-3
Service A ids, Safety I nstruction, et c ....... ...... .. ........... 1-4 to 1-5
Preparati ons & Controls ............. .......... ...... .. .......... 1-6 to 1-10
Maintena nce & Troubleshooting ....................... ................ 1-11
Disassem bly Instructi ons & Servic e positions . .... ...... ........ ..... 2
Set Block diagram .... .................. ................ .. .... .............. ..... 3
Set Wirin g diagram ... .................. ....... ...... ..... .................. ..... 4
Key Board ................ .......................... ................................. 5
Servo Board ............. ........................... ...... .......................... 6
Main Boa rd .............. .................. ......... ...... ... .................. ..... 7
Set Mech anical Explo ded view & p arts list .... .. .... .............. ...... 8
1-2
SPECIFICATIONS
General Components
Power supply: 12V DC(11V-16V) Mounting collar 1
Test voltage 14.4V, negative ground Machine screws M5x6mm 4
Maximum power output: 50Wx4 channels Mounting bolt (50mm) 1
Continuous power output: 25Wx4 channels (4 ,10% T.H.D.) Wire connector 1
Suitable speaker impedance: 4-8 ohm Removable face plate case 1
Pre-Amp output voltage: 2.0V ( CD play mode: 1KHz, 0 dB, 10 K load ) Trim plate 1
Fuse: 15A L-key 2
Dimensions(WxHxD) 178x50x162mm Operating instructions 1
Weight: 1.7kg Rubber cushion 1
Remote Controls 1
FM Stereo Radio
Frequency range: 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: 20Hz - 20kHz
Signal/noise ratio: >80 dB
Total harmonic distor tion: Less than 0.20%(1 kHz)
Wow and flutter: Below measurable limits
Channel separation: >55 dB
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
Antenna Fuse 15A
Connector
Rear Line-out (Gray) R(Red)
L(White)
ISO connector
ACC+/red
Auto Antenna/blue
Battery 12V(+)/yellow
Ground/black
Play / Pause
Top play ( press
more than 2 sec.)
s
Intro play(10sec)
Track Repeat play
Track Random play
MP3 track-10 down
MP3 track+10 up
Display switch
to turn on the unit. and Power on : press any button on the panel except
CONTROLS
1-7
1-8
CONTROLS
AMS : Auto Memory Store
Press briefly to scan the preset station for 5 seconds each. Hold more than 2 seconds, the 6 strongest AMS
available station will be automatically saved in the memory of preset button .
Radio : Press briefly either side of the button to tune in the station that you have known its frequency.
Hold it more than 2 seconds, tuning will automatically activate and stop when signals of the next station are
received.
Disc playback : Press briefly either side of the button to go to the next or previous track.
Hold it more than 2 seconds to fast forward or reverse back the track.
DN
SET CLOCK
VOL Press DISP button, time displays. Press again more than 2 seconds, time display blinks. DISP
UP
Rotate the knob clockwise to set hours. Rotate the knob anticlockwise to set minutes.
PUSH
SE L / MENU
DN
Press the button more than 2 seconds to enter menu mode , then each press changes the mode as follows:
DSP mode BEEP ON/OFF mode SEEK 1/2 mode(only in tuner mode) VOL LAST/ADJ mode
VOL
PUSH UP
SE L / MENU
DSP mode: Rotate the knob to choose DSP sound effect:
DN
POP ROCK CLASSIC FLAT DSP OFF
VOL
BEEP ON/OFF mode: Rotate the knob to choose button beep sound on or off. PU SH UP
SE L/MENU
SEEK 1/2 mode: Rotate the knob to choose radio seek mode 1 or 2 .
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.
DN
VOL LAST / ADJUST MODE
Press knob to choose VOL LAST : the turn-on volume
VOL
level is the volume level of latest power off.
PUSH UP
Rotate knob to choose VOL ADJ,
then rotate the knob to set the turn-on volume level .
SE L / MENU
1-9
MP3 PLAYBACK
While playing MP3 disc, the folder/file name and ID3 TAG (Song title, Album and Artist) can scroll entirely
across the LCD.
Elapsed playing time & Track number Folder name & number File name & number Song title Album title Artist name
MP3 Track search
Press AMS button to select "TRACK SCH" mode.
AMS Press SEL button and LCD display will show "001".
IF your desired track number is less than 100,
Rotate the knob to select the first digit and press SEL button once again
DN
And rotate the knob to set the tenth digit of the track number.
Press SEL button again more than 0.5 seconds to play the track.
VOL
IF your desired track number is more than 100,
Rotate the knob to select the first digit and press SEL button to confirm,
UP
* If the track number you enter is
Rotate the knob to select the tenth digit and press SEL button to confirm,
PUSH
SEL /MENU
beyond the maximum file number,
Rotate the knob to select the hundredth digit and press SEL button play
last song will be played.
the track.
MP3 File search IF you just want to play songs of this folder, press SEL button
Press AMS button twice to more than 0.5 seconds to play the first track of the folder.
select "FILE SCH" mode. IF you want to play desired track of the folder, press SEL button
Press SEL button to enter. and rotate the knob to select the track you want.
Rotate the knob to select folder. Press SEL button 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 If you 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.
DN
VOL
Example :to search character "ECHO".
PUSH UP
SEL /MENU
1-10
REMOTE CONTROLS
Power On : Press any button on the remote control to turn on the unit.
Volume
Radio Tune
Power on/off
Track Seek
Aux in(optional)
Mute Radio
Disc Play
(when disc is in)
Push to select VOL/BAS/
TRE/BAL/FAD , use Volume MUTE SRC Radio Preset scan
button to adjust level AMS
VOL Radio Auto Preset
Push more than 2 seconds SEL AM S
to Menu mode M ENU M P3 track/file/character
SEARCH SEARCH search
LO UD MO/ST LO/DX BAND
FM1
Loudness Band Switch
1 2 3 4
/ TOP INT RPT RDM FM2
Play / Pause
Top play ( press Disc Playback
5 6 DISP Display switch
more than 2 sec.) FM3
Intro play(10 sec.)
FM(OIRT)
Track Repeat Play Radio Local/Distant
Press to tune in
Track Random Play a preset station
Hold for more
MP3 track-10 down than 2 seconds FM Stereo/Mono
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)
1-11
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.
Cable is not correctly connected. broadcasts Select other stations of higher signal level.
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
Connect the battery cable to the
If the above solutions cannot help, is reset. 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.
Disc is inside but Place disc in the correct direction,
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 button to eject the disc.
Sound skips due
o
Adjust mounting angle to less than 30 . In case that the disc cannot be
ejected by pressing button,
to vibration. press the RESET switch and press
Installable mounting. the button again.
Mount the unit securely with the If still not ejecting consult your
mounting parts. dealer.
2-1 2-1
DISMANTLING INSTRUCTIONS
1 Pull out the short sheet from main set. 2 Remove top and bottom covers. 4 Remove CD loader
Remove 2 pcs screw
from metal side. Remove 1 pcs screw
from metal side.
Loosen 8 pcs screw
to remove heatsink &
Top Cover & Bottom
Cover. Remove 2 pcs screw
from main board.
3 Loosen 4 pcs screw to remove Front Cabinet. Remove 1 pcs screw
on the left side of
Front Cabinet. Pull out FPC
wire.
Remove 1 pcs screw
from Front Cabinet. Remove 2 pcs screw
to dismantle the deck.
2 -2 2-2
DISMANTLING INSTRUCTIONS
Service PositionA Service Position C
Service Position B Service Position D
3 3
SET BLOCK DIAGRAM
Tuner L
Tuner R
Pick Up Tuner Module
OPTIMA-725 C2 CET-7001
Tra c king Output Tuner Power
Focus O utput
Key Matrix LCD Display
P1.0-P1.7/
RESET INT0-INT7 CE
XIN P0.0
OSC P0.1/T0CLK
XOUT
P0.2/T0CAP
Port 0 P0.3/T0OUT/T0PWM
3 2 1 48 47 42 41 40 39 P0.2/T0CAP 8-Bit Timer/ P0.4/T1CLK
P0.1/T0CLK P0.5/T1OUT
Counter0 P0.6/T2CLK
P0.3/T0OUT/T0PWM P0.7/T2OUT
Center Tracking Error RF & Focus P0.4/T1CLK 8-Bit Timer/ P1.0/INT0
RF AGC & EQ Counter1 P1.1/INT1
EQO 4 Voltage (RW ) Error (CD-RW) P0.5/T1OUT P1.2/INT2
Control I/V AMP I/V AMP P1.3/INT3
38 PD I n ter nal Stat us P0.6/T2CLK 16-Bit Timer/
Port 1
P1.4/INT4
P1.5/INT5
EFMI 5 Focus OK Detect P1.6/INT6
SOS1 Counter2
Defect Detect Mirror APC. Laser 37 LD
P0.7/T2OUT I/O Port andInterrupt Control P1.7/INT7
DCCI 45 SQ CK SQDT P2.0/AD0
Gen Control &
35 LPFT
System Reset SBCK SBDT C2PO D ATX
P3.1/SCK0
P3.2/SO0 SIO 0 P2.1/AD1
LPC P2.2/AD2
DCC0 46 P3.3/SI0 Port 2 P2.3/AD3
34 TEIO P3.4/SCK1 P2.4
Focus Servo Loop P2.5
MCP 44 - Gain & Phase MCU Data P3.5/SO1 SIO 1 P2.6
Compensation
Tracking Servo Loop
33
TZC&
Subc ode D igit al
Sub co de Sync P3.6/SI1 P2.7
- Gain & Phase SSTOP P3.0/BUZ
DCB 43 - Focus Search VCO 1LF Out O ut Watchdog P3.1/SCK0
Compensation DPLL Basic Timer
- Offset Adjust 36 ATSC Timer P3.2/SO0
- FZC Gen.
- Track Jump MCU Clock EFMI
Sub co de_ Q Dat a Port 3 P3.3/SI0
P3.4/SCK1
VCC/ - Offset Adjust P3.0/BUZ P3.5/SO1
6 Watch Timer
VDD - TZC Gen. 29 TEO SAM88RC Core P3.6/SI1
P3.7
LOCK EF M Digi tal COM0-3
FRSH 7 28 TEM MCU Latch SMEF De modulator
Int erpo lator
Fi lt er
In t ernal Status P8.7-P4.0/SEG0-39 LCD Driver/ P4.0/SEG39
P4.1/SEG38
BIAS Controller P4.2/SEG37
FSET 8 SMDP VLC0-VLC2 Port 4 P4.3/SEG36
HardwareLogic 27 SLP P4.4/SEG35
- Auto-Sequencer Sled Servo &
EMF outpu t
SMDS Sub co de _Q C lock VCOAM PLL
P4.5/SEG34
P4.6/SEG33
FLB 9 - Fast Search Kick Gen 26 SLO W DCK VCOFM P4.7/SEG32
CLV Synthesizer