Akai-ACR-31-MP-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL Models: ACR21MP ACR31MP ACR41MP PULL SYNTHESIZED STEREO RADIO WITH COMPACT DISC PLAYER DIGITAL www.akai.ru RadioFans.CN 收音机爱 好者资料库 Car Audio Page TABL E OF CONTENTS Technical Specifications .1-2 Measurement setup .1-3 ServiceAids, Safety Instruction, etc . 1-4 to 1-5 Preparations fur

2、Reparaturen sind Original- Ersatzteile zu verwenden. Les normes de securite exigent que Iappareil soit remis a I etat dorigine et que soient utilisees les pieces de rechange identiques a celles specifiees. Osynlig laserstralning nar apparaten ar oppnad och sparren ar urkopplad. Betrakta ej stralen.

3、PREPARATIONS Wiring Diagram 1- 6 ACC+/red Auto Antenna/blue Battery 12V(+)/yellow Ground/black Subwoofer out Fuse 15A (Green) Antenna ISO connector Line- out Gray (Rear) Line- out Brown(Front) R(Red) L(White) R(Red) L(White) Connector 1- 7 Power On : Press any button on the panel exceptto turn on th

4、e unit. CONTROLS Play / Pause Top play ( press more than 2 sec.) Intro play(10sec) MP3 track+10 up MP3 track- 10 down Track Random play Track Repeat play 1- 8 Power On : Press any button on the remote control to turn on the unit. 2. Insert the button- type lithium battery with the mark facing upward

5、. (+) Insert the battery holder into the remote control. 1. Pull out the battery holder while pressing the stopper. Replacing the lithium battery of remote control unit. * When the operation range of the card remote control becomes short or no Properly, replace the lithium battery with a new one. Ma

6、ke sure the battery polarity replacement is correct. (CR 2025) WARNINGS: REMOTE CONTROLS Store the battery in place where children cannot reach. If a child accidentally swallows the battery, consult a doctor immediately. Do not recharge, short, disassemble or heat the battery or dispose it in a fire

7、. Doing any of these things may cause the battery to give off heat,crack or start a fire. Do not leave the battery with other metallic materials. Doing this may cause the battery to give off heat, crack or start a fire. When throwing away or saving the battery, wrap it in tape and insulate;otherwise

8、, the battery may start to give off heat, crack or start a fire. Do not poke the battery with tweezers or similar tools. Doing this may cause the battery to give off heat, crack or start a fire. MUTE SEL MENU RDMRPTINT/TOP DISP 4321 65 VOL BAND SRC AMS Power on/off Mute Push to select VOL/BAS/ TRE/B

9、AL/FAD , use Volume button to adjust level Push more than 2 seconds to Menu mode Volume Radio Tune Track Seek FM1 FM2 FM3 Display switch Disc Playback Radio Preset Press to tune in a preset station Hold for more than 2 seconds to store station. Band Switch SEARCH SEARCH Disc Play (when disc is in) A

10、lternative Frequency list REG ( Region ) mode TAPTY Program Type AF/REG Radio Preset scan Radio Auto Preset AMS MP3 track/file/character search MP3 track/file/character search Traffic Announcements Identification Aux in(optional) Radio OIRT Play / Pause Top play ( press more than 2 sec.) Intro play(

11、10 sec) Track Repeat Play MP3 track+10 up MP3 track- 10 down Track Random Play AM1 AM2 Rotate the control to choosefront panel buttonillumination color. (Optional) ESP(CD40s, MP3120s) 1- 9 CONTROLS Press the button more than 2 seconds to enter menu mode , then each press changes the mode as follows:

12、 TA modeMASK modeDSP modeLOUD ON / OFF modeESP modeBEEP ON / OFF VOL mode DN UP VOL (only in tuner mode)(only in FM mode) (CD40s, MP3120s) COLOR mode (only in tuner mode) SEEK1/2 modeST / MO modeLOCAL / DX mode Do not apply excessive force to the panel, doing socan cause damage to theunit. Insert th

13、e disc into the slot. The panel will close automatically.Load: If there is a disc inside, the disc will be ejected automatically. Disc Eject:Pressto slide down the panel. Pressagain to close the panel. Pressto slide down the panel. Panel slide down/close: Do not presstoclose the panel before the dis

14、c is inserted completely, doingso may damage thedisc and the unit. 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 i

15、s 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 MUSIC ARTIST ALBU M MUSIC ARTIST Radio:Radio Tune by step : press less than 0.5 sec. Radio Seek automatically : press more than 0.5 sec. Disc Playback:Track skip :

16、 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. Press briefly to scan the preset stationfor 5 seconds each. Hold more than 2 seconds, the 6 strongest available station will be automaticall

17、y saved in the memory of preset button. AMS : Auto Memory Store AMS SET CLOCK 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. DISP DN UP VOL 1- 10 CONTROLS COLORmode:Rotate t

18、he control to choose front panel button illumination color. COLOR1: button illumination color is RED. COLOR2: button illumination color is GREEN. SEEK 1/2 mode: Rotate the knob to choose radio seek mode 1 or 2 . SEEK 1: searching stationwill stop when next station is received. SEEK 2: searching stat

19、ionwill stop whenorbutton is releasedand next station is received. ALBUM MUSIC AR T IST 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. MASK mode: rotate the knob to choose MASK DPI or MASK ALL mode. MASK DPI mode : O

20、nly the AF which has different program identification is masked. MASK ALL mode : The AF which has different program identification and NO RDS signal with high field strength is masked. ALBUM MUSIC ARTIST ALBUM MUSIC ARTIST DN UP VOL DSP mode: Rotate the knob to choose DSP sound effect: PDSP OFFOPROC

21、KCLASSICFLAT LOUD mode: Rotate the knob to choose loud on or off. BEEP ON/OFF mode: Rotate the knob to choose button beep sound on or off. DN UP VOL VOL LAST / ADJUST MODE Press knob to choose VOL LAST : the turn- on volume level is the volume level of latestpower off. Rotateknob to choose VOL ADJ,

22、then rotate the knob to set the turn- on volume level . ALBUM MUSIC ARTIST ALBUM MUSIC AR T IST 1- 11 MP3 PLAYBACK MP3 CHARACTER SEARCH Press AMS button three times to select CHAR SCH mode. Press SEL button and A displayed. Now If press SEL button more than 0.5 seconds.which first character of its n

23、ame iswill be played. Rotate the knob to select the 1st character of the desired track name and press SEL button to confirm. Thenflashs 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. Ex

24、ample :to search character ECHO the trackA A . A L BU M MUSIC A RTIS T MP3 ALBUM MUSIC A RTI ST MP3 ALBUM MUSIC A RTI ST MP3 ALBUM MUSIC A RTI ST MP3 A L BU M MUSIC A RTIS T MP3 A L BU M MUSIC A RTIS T MP3 M 3 File searchP Press AMS button twice to select FILE SCH mode. Press the knob to enter. Rota

25、teto select folder.the knob IF you just want to play songs of this folder, press the knob more than 0.5 second to play the first track of the folder. IF you want to play desired track of the folder, press the knob and rotate to select the track you want. Press the knob again to play the track. ALBUM

26、 MUSIC A R TI S T MP3 While playing M 3 disc, the folder/file name and ID3 tag(Song title, Album and Artist) can entirely scroll displayed on the LCD display. P Elapsed playing time & Track numbernumberSong titleAlbum titleArtist nameFolder name &File name & number ALBUM MUSIC ARTIS T MP3 M 3 Track

27、searchP Press AMS button to select TRACK SCH mode. Press the knob 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 it once again and rotate set the tenth digit of the track number. Press the knob again more than 0.5 sec

28、ond to play the track. 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, rotate the knob to select the hundredth digit and press it to confirm, Press the knob again to p

29、lay the track. * If the track number you enter is beyond the maximum file number, last song will be played. ALBUM MUSIC ARTIST MP3 ALBUM MUSIC ARTIST MP3 AMS DN UP VOL AMS DN UP VOL 1- 12 Troubleshooting If you suspect something is wrong, immediately switch power off. Immediately stop using it and c

30、all the store where you purchased it. Never try to repair the unit yourself because it is dangerous to do so. When a disc becomes dirty clean it with a cleaning cloth. Wipe the disc from the center out. After prolonged use, dirt or dust may accumulate at the lens. To ensure good playback quality, cl

31、ean the disc with Philips CD lens Cleaner or any commercially available cleaner. Follow the instructions supplied with cleaner. To ensure good playback quality, clean the heads A ,the capstan B , and pressure roller C after every 50 hours of tape operation.Used a cotton swab slightly moistened with

32、cleaning fluid or alcohol. You can also clean the heads by playing a cleaning tape once. Clearing disc Cleaning the disc lens Cleaning the heads and the Tape Parts Maintenance MAINTENANCE AND TROUBLESHOOTING GeneralRadio Disc Station is too far, or signals are too weak. Select other stations of high

33、er signal level. Much noise in broadcasts Preset station lost Battery cable is not correctly connected. Connect the battery cable to the terminal that is always live. Error Display Messages Disc is not CD or contains no MP3 files. Disc upside down. Recovery error, check the disc. MP3 error, check th

34、e disc. Disc is upside down. Disc is dirty or damaged Place disc in the correct direction, and the label side up. Clean disc or change another disc. Disc isbut no sound. inserted Disc sound skips, tone quality is low. Disc is dirty or damaged. Clean CD or change another CD. Mounting angle is over 30

35、 o. Adjust mounting angle to less than 30 . o Unstable mounting. Mount the unit securely with the mounting parts. Sound skips due to vibration. Disc mechanism error： Pressbutton to eject the disc. In case that the disc cannot be ejected by pressingbutton, press the RESET switch and press thebutton a

36、gain. If still not ejecting consult your dealer. No power or no sound Cars engine switch is not on. Cable is not correctly connected. Fuse is burnt. Turn your car s key to ACC or ON. Check connection. Replace fuse. Check volume or mute on / off. press the RESET button. If the above solutions cannot

37、help, EJ EJ EJ DISMANTLING INSTRUCTIONS Remove two screws 1Remove top cover、 2Remove loader、 3Remove main board、 Prize up the top cover Remove the seven screws. Remove two screws on the headsink at left side Remove two screws at right side Pull out FPC wire 2- 12- 1 Remove screw at rear 2- 2 DISMANT

38、LING INSTRUCTIONS 2- 2 Service Position A Service Position B Service Position C Service Position D 33 SET BLOCK DIAGRAM LCD Display 44 SET WIRING DIAGRAM KEY BOARD TABLE OF CONTENTS LCD Display .5- 1 5- 2 Key Board Circuit Diagram . 5- 3 Key Board Layout Diagram . LCD PIN CONNECTION 5- 15- 1 Electri

39、cal Parts List .5- 4 5- 25- 2 KEY BOARD -CIRCUIT DIAGRAM 5- 35- 3 KEY BOARD -LAYOUT DIAGRAM TOP VIEW KEY BOARD -LAYOUT DIAGRAM BOTTOM VIEW Part NO.DescriptionQTY Location ELECTRICAL PARTS LIST -KEY BOARD 5- 45- 4 82- CM226- KB03- A 11- 0102- 1022- 0 11- 0102- 1521- 0 11- 0102- 2222- 0 11- 0102- 3322

40、- 0 11- 0102- 4722- 0 11- 0102- 8222- 0 11- 0102- 1032- 0 11- 0102- 2202- 0 11- 0102- 4732- 0 11- 0102- 1012- 0 11- 0102- 1211- 0 11- 0102- 1811- 0 11- 0102- 2211- 0 11- 0103- 3311- 0 11- 0102- 3311- 0 11- 0102- 4711- 0 11- 0103- 4711- 0 11- 0102- 6811- 0 11- 0103- 6811- 0 11- 0202- 1021- 0 11- 0202

41、- 1042- 0 11- 0203- 1051- 0 11- 0405- 0003- A 11- 0431- 0331- A 11- 0431- 0681- A 11- 0501- 0002- A 11- 0501- 0009- A 11- 0501- 0010- A 11- 0901- 0087- A 11- 1821- 0224- A 11- 2011- 0002- 0 11- 2011- 0010- 0 11- 3400- 0003- 0 11- 3300- 0602- 0 11- 3102- 0017- 0 11- 0181- 0015- A 11- 2601- 0023- A 11

42、- 0421- 0001- B CM226 SMT KB RMF 1K1/16W5% SMT 0603 RMF 1K51/16W5% SMT 0603 RMF 2K21/16W5% SMT 0603 RMF 3K31/16W5% SMT 0603 RMF 4K71/16W5% SMT 0603 RMF 8K21/16W5% SMT 0603 RMF 10K1/16W5% SMT 0603 RMF 221/16W5% SMT 0603 RMF 47K1/16W5% SMT 0603 RMF 1001/16W5% SMT 0603 RMF 1201/16W5% SMT 0603 RMF 1801/

43、16W5% SMT 0603 RMF 2201/16W5% SMT 0603 RMF 3301/10W5% SMT 0805 RMF 3301/16W5% SMT 0603 RMF 4701/16W5% SMT 0603 RMF 4701/10W5% SMT 0805 RMF 6801/16W5% SMT 0603 RMF 6801/10W5% SMT 0805 CC1000PF/50V10% 0603(X7R) CC0.1F/16V +80% - 20% 0603 CC 1F/25V - 80% +20% SMT 0805 SMD LED RED/GREEN 19- 22URSYGC/S 2

44、52/TR8 ZENER DIODE 3.3V5% 1/2W 1206 ZENER DIODE 6.8V5% 1/2W 1206 TR 3904(SMT SOT- 23)NPN TR S8050 SMT SOT- 23 TR S8550 SMT SOT- 23 IC SC75823E LCD DRIVER PCB CM226R KB D/S R/G LAMP 166.5X41.0X1.2MM KEY SWITCH 4.3MM KEY SWITHCH 2.5 MM TS1107GS- 3 ZEBRA STRIP FOR CM203 LCD BACKLIGHT FOR CM203 15PIN S0

45、CKET FEMALE DSTE- 15- 3T ENCODER EC110201M2D- HA1- 026 LCD OF CM226 BLACK MASK.JIC (TB4752N) REMOTE- CRM HEADER 1 3 2 1 1 2 1 3 3 4 3 1 2 1 10 2 2 10 2 5 1 1 4 20 1 4 1 1 1 1 1 14 5 1 1 1 1 1 1 R319 R324 R332 R323 R331 R322 R321 R320,R362 R302 R311 R330 R365 R308,R312,R314 R309310,R317,R370 R307 R31

46、6,R318 R361 R336 R363 R328 R348R356R358 R327,R335 R326,R334 R337345R347 R325,R333 R303306,R315 C303 C306 C301,C304305,C307 LED303320LED323324 ZD305 ZD301304 Q301 Q302 Q303 IC301 SW301SW302,SW305SW310, SW312SW314,SW317,SW319 SW320 SW315SW316,SW303SW304, SW318 LED1 CON301 EN301 LCD301 IR301 ， ， ， 6- 1

47、6- 1 SERVO BOARD TABLE OF CONTENTS Circuit Diagram.6- 2 PCB Layout .6- 3 .6- 4Electrical Parts List 6- 26- 2 SERVO BOARD -CIRCUIT DIAGRAM 6- 36- 3 SERVO BOARD -LAYOUT DIAGRAM TOP VIEW SERVO BOARD -LAYOUT DIAGRAM BOTTOM VIEW 6- 46- 4 Part NO.DescriptionQTY Location ELECTRICAL PARTS LIST -SERVO BOARD

48、Part NO.DescriptionQTY Location 82- CAD415- SB00- A 11- 0102- 1022- 0 11- 0102- 1032- 0 11- 0102- 1042- 0 11- 0102- 1051- 0 11- 0102- 1231- 0 11- 0102- 1542- 0 11- 0102- 1832- 0 11- 0102- 2211- 0 11- 0102- 6811- 0 11- 0102- 2231- 0 11- 0102- 2241- 0 11- 0102- 3332- 0 11- 0102- 4722- 0 11- 0102- 4732- 0 11- 0102- 7531- 0 11- 01