Related Manuals for Akai ACR-21MP
Summary of Contents for Akai ACR-21MP
- Page 1 PULL SYNTHESIZED STEREO RADIO WITH COMPACT DISC PLAYER DIGITAL Models: ACR21MP ACR31MP ACR41MP SERVICE MANUAL www.akai.ru...
- Page 2 AKAI ACR-21MP/31MP/41MP Car A ud io TABL E OF CONTE NTS Page Technical Specifications ............1-2 Measurement setup ............1-3 Service A ids, Safety I nstruction, e tc ......1-4 to 1-5 Preparations & Controls .......... 1-6 to 1-11 Maintena nce &...
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Page 3: Specifications
SPECIFICATIONS General Components 12V DC(11V-16V) Power supply: Mounting collar Tapping screws M5x6 mm Test voltage 14.4V, negative ground Maximum power output: 50Wx4 channels Mounting bolt (50 mm) Continuous power output: Wire connector 20Wx4 channels (4 Ω , 10% T.H.D.) Suitable speaker impedance: 4-8 ohm Removable face plate case Pre-Amp output voltage:... - Page 4 MEASUREMENT SETUP Tuner FM Band pass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 4 8001 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 LF Voltmeter...
- Page 5 HANDLING CHIP COMPONENTS GENERAL DISMOUNTING MOUNTING e.g. A PAIR OF TWEEZERS VACUUM PISTON 4822 395 10082 SOLDERING IRON e.g.WELLER Solder tip PT-H7 SLODER Φ0.5-0.8mm SOLDERING SLODERING PRESSURE IRON IRON SOLDER WICK 4822 321 40042 SLODERING TIME SOLDER e.g. A PAIR OF TWEEZERS <...
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Page 6: Laser Product
WAARSCHU WING WARNING 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. -
Page 7: Wiring Diagram
PREPARATIONS Wiring Diagram Subwoofer out (Green) Antenna Fuse 15A Connector R(Red) Line-out Gray (Rear) L(White) R(Red) Line-out Brown(Front) L(White) ISO connector ACC+/red Auto Antenna/blue Battery 12V(+)/yellow Ground/black... - Page 8 CONTROLS Power On : Press any button on the panel except to turn on the unit.
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Page 9: Remote Controls
REMOTE CONTROLS Power On : Press any button on the remote control to turn on the unit. Radio Tune Radio Volume Track Seek Power on/off Aux in(optional) Disc Play Mute (when disc is in) Push to select VOL/BAS/ TRE/BAL/FAD , use Volume button to adjust level Radio Preset scan MUTE... - Page 10 CONTROLS Disc Eject: Press to slide down the panel. If there is a disc inside, the disc will be ejected automatically. Load: Insert the disc into the slot. The panel will close automatically. Panel slide Press to slide down the panel. down/close: Press again to close the panel.
- Page 11 1-10 CONTROLS MASK mode: MASK DPI mode : Only the AF which has different program identification is masked. rotate the knob MASK ALL mode : to choose MASK DPI The AF which has different program identification and NO RDS or MASK ALL mode. signal with high field strength is masked.
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Page 12: Mp3 Character Search
1-11 MP3 PLAYBACK ALBUM MUSI C ARTIS T M P3 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. Elapsed playing time & Track number Folder name & number File name &... -
Page 13: Troubleshooting
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. - Page 14 2 -1 DISMANTLING INSTRUCTIONS 1 Remove top cover 、 P rize u p the t op cov er 2 Remove loader 、 R emove the se ven sc rews. Re move two sc rews Pull out FP C wire 3 Remove main board 、...
- Page 15 2 -2 DISMANTLING INSTRUCTIONS Service Position A Service Position C Service Position B Service Position D...
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Page 16: Set Block Diagram
SET BLOCK DIAGRAM LCD Display... -
Page 17: Set W Iring Diagram
SET WIRING DIAGRAM... -
Page 18: Key Board
LCD PIN CONNECTION KEY BOARD TABLE OF CONTENTS LCD Display ..............5-1 Key Board Circuit Diagram ..........Key Board Layout Diagram ..........Elect rical Parts List ..........5-4... - Page 19 KEY BOARD - CIRCUIT DIAGRAM...
- Page 20 KEY BOARD - LAYOUT DIAGRAM TOP VIEW KEY BOARD - LAYOUT DIAGRAM BOTTOM VIEW...
- Page 21 ELECTRICAL PARTS LIST - KEY BOARD Loc ation Part N O. Description Q TY 82-CM 226-KB03-A CM22 6 SMT KB 11-0102-102 2-0 RMF 1 K 1/16W Ω ± 5% SM T 060 3 R31 9 R32 4 R33 2 11-0102-152 1-0 RMF 1 K5 1 /16W 5% S MT 06 03 R32 3 R33 1...
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Page 22: Servo Board
SERVO BOARD TABLE OF CONTENTS Circuit Diagram..............6-2 PCB Layout ................6-3 Electrical Parts List ..............6-4... - Page 23 SERVO BOARD - CIRCUIT DIAGRAM...
- Page 24 SERVO BOARD - LAYOUT DIAGRAM SERVO BOARD - LAYOUT DIAGRAM TOP VIEW BOTTOM VIEW...
- Page 25 ELECTRICAL PARTS LIST - SERVO BOARD Location Loc ation Part N O. De script ion Q TY Par t NO. Description 82-CA D415- SB00-A 11- 3501-0 008-D CA D415 ESP S MT SB CD DE CK C L-C01 FY6 S HINWA VER .3 11-0102-102 2-0 RM F 1K 1/16 W 5% SMT 0603...
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Page 26: Main Board
MAIN BOARD TABLE OF CONTENTS Circuit Diagram ..............7-2 PCB Layout ............Electrical Parts List ........7-4 to 7-5... - Page 27 SERVO BOARD - CIRCUIT DIAGRAM...
- Page 28 SERVO BOARD - LAYOUT DIAGRAM TOP VIEW...
- Page 29 ELECTRICAL PARTS LIST - MAIN BOARD L ocatio n Location Part NO. Part NO. Part NO. De scription Descri ption 11-0 311-4 R70-0 CO IL 4.7 H 3X 5MM μ L 201 11-0202-1013-0 CC100PF/50 V ± 5% 060 3(NPO ) C537 ,C538 11-0 402-4 148-A DI ODE I N4148 1/2W...
- Page 30 ELECTRICAL PARTS LIST - MAIN BOARD Loc ation Part N O. Q TY Desc ription 11-0231-3381-0 CE3300 F/16V 20%1 2.5X25 105 μ ± C81 0 11-0311-1511-0 STAND INDUCTOR 150 μ L30 1 CHO KE INDUCTOR 400 H 24MM 11-0321-4010-0 ≥ μ...
- Page 31 EXPLODED VIEW - MAIN UNIT...
- Page 32 MECHANICAL PARTS LIST I tem A ssem bly Pa rt NO Desc ription QT Y I tem Assem bly Pa rt NO Desc r iption QT Y 8 4-CM2 26-KB 20-A CMR7 00 FRONT PANEL ASM 1 4-115 5-260 7-0 PLATI NG NI CKEL, PTP S CREW 2607 1 3-070 7-0701 -A RIM F OR 20 6 IN CLEAR...