Akai-ACR-141-MP-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL Model: ACR-141 MP CD/MP3RECIVER www.akai.ru RadioFans.CN 收音机爱 好者资料库 2 CONTENTS Page Disassembly Instructions. 3 Disassembly Diagram. 4 Operation Check. 5 Block Diagram . 6 Alignment Locations . 7 Alignment Procedures . 8 Printed Circuit Boards. 10 Exploded Views (Panel). 16 Exploded V

2、iew Parts Lists (Panel). 17 Exploded Views (Cabinet) . 18 Exploded View Parts Lists (Cabinet) . 19 Exploded Views (Deck). 21 Exploded View Parts Lists (Deck). 22 Schematic Diagram . 24 Electrical Parts List. 27 Specifications. 34 RadioFans.CN 收音机爱 好者资料库 3 DISASSEMBLY INSTRUCTIONS 1. Using the unlock

3、 key that came with the unit or a similar tool, unlock the Mounting Box and remove toward the rear of the unit. 2. Remove two screws (A) located on the rear of the top cabinet then remove the Top Cabinet. 3. Remove two screws (B) located on the rear of the bottom cabinet then remove the Bottom Cabin

4、et. 4. Take out the Panel; The Ring and the Panel Bracket. Remove two screws (C) from each side of the base then remove the Base. 5. Remove two screws (D) from on the right side of the side bracket. Remove two screws (E) from on the left side of the side bracket. 6. Remove two screws (F) from under

5、the deck front bracket then remove the Deck Front Bracket. Remove two screws (G) from under the deck rear bracket then remove the Deck Rear Bracket and the Deck. 7. Remove two screws (H) from on the left side of the heat sink then remove the Spring Sheet. 8. Remove five screws (I) from on the left s

6、ide of the heat sink then remove the Heat Sink. 9. Remove the screw (J) from on the back of the side bracket and remove two screws (K) from on the main board then remove the Heat Sink (7809/DB435). 10. Remove the screw (L) from on the back of the side bracket then remove Wire Clip. 11. Remove three

7、screws (M) from under the main board then remove the Side Bracket and the Main Board. RadioFans.CN 收音机爱 好者资料库 4 DISASSEMBLY DIAGRAM 5 OPERATION CHECK GENERAL SPECIFICATIONS OF SIGNAL Standard frequency Signal output Modulation FM MW FM MW MW FM Stereo 98.1 MHz (65.0, 74.0MHz) (87.5, 107.9 MHz) 1000

8、kHz (530, 1710 kHz) 1mV 5 mV 400 Hz 30% MOD. 1 kHz 75kHz DEV. 46% for L only or R only pilot level 8% AF output level FM/MW Power source voltage DC 14.0V (Backup voltage is the same as this) AF load impedance 4 ohm pure resistance Balance Center position of level Tone Center position The signal stre

9、ngth read in this section is voltage on the antenna. Test Diagram 4-SPEAKER VTVM DISTORTION METER 2-SPEAKER FRONT SPK. SPK. FL. RL. SPR. MAIN UNIT AM SG VTVM ANTANNA DUMMY FM SG MODULATOR STEREOS MPX ANT FRONT SPK. SPE. FR. RR. 4-SPEAKER SPK. 2-SPEAKER POWER ANTANNA ACC (DV14.4V) GROUND BACK UP (14.

10、4V) 6 BLOCK DIAGRAM 7 ALIGNMENT LOCATIONS FM/MW/LW TUNER 8 ALIGNMENT PROCEDURES FM ADJUSTMENT Equipment Required ? ? AM IF/RF signal generator ? ? Solid-state voltmeter (SSVM) ? ? Regulated DC power supply ? ? 2-CH voltmeter ? ? Distortion meter FM Alignment Using FM Signal Generator Note: Press the

11、 radio power switch to on the radio. Signal generator output must be kept as low as possible to avoid overload and clipping. Step Generator Coupling Generator Display Setting Adjustment Remarks Stereo Separation Signal Generator to antenna receptacle 98.1 MHz Int. 1 kHz Dev. 75 kHz L+R = 90 % pilot

12、= 10 % 98.1 MHz VR1 Adjust AF output power at maximum separating more than 30 dB FM SNC Adjustment 98.1 MHz Dev. 75 kHz L+R=90 % Int. 1 kHz 60dBV output 98.1 MHz 40 dB 98.1 MHz VR2 Stereo Separation 25 dB (5 dB) Stop SENS. Signal Generator to antenna receptacle 98.1 MHz Mod. 1kHz Dev 75kHz 98.1 MHz

13、VR3 Adjust AF to stop station. Note: The tuner module is well-adjust and adjustment is not recommended. 9 PRINTED CIRCUIT BOARDS MAIN BOARD TOP VIEW 10 MAIN BOARD BOTTOM VIEW 11 KEY BOARD TOP VIEW 12 KEY BOARD BOTTOM VIEW 13 CD SERVO BOARD TOP VIEW 14 CD SERVO BOARD BOTTOM VIEW 15 LAMP BOARD 16 EXPL

14、ODED VIEW PANEL 17 EXPLODED VIEW PARTS LIST PANEL Ref. No. Description RS Part No. Mfrs Part No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Lens: CD-F1628X3.82.25/WMA N/SW(S.PY BLK/WHT) ROHS T. Panel X3.17.9-F N/RM(S.N1202/B) W/O BRAND ROHS Bottom Cabinet ROHS Open Knob For

15、 FD (S. N1202/Black) ROHS Open Knob Spring ROHS Volume Knob Cover (S. N1202) ROHS Volume Knob Backlight ROHS Soft PVC Sheet 0.10MM ROHS IR Lens (S. N1202) ROHS Number 1/PAU-3/BND Knob (L-Up) (S.N1202) ROHS Number 4/SHF-6 Knob (L-Up) (S.N1202) ROHS 7MOD/AS-PS Knob (L-Up) (S. N1202) ROHS EQ/DISP-0/PWR

16、 Knob (L-Up) (S. N1202) ROHS Reset Knob (S. N1202) ROHS SCN Knob (S.N1202/Black) ROHS TRK/8-9 Knob Cover (S. N1202/Black) ROHS Enter Key Back Light +SPY White ROHS Key Board CD115 Rotary Encoder VOL ROHS LCD Cover 90.4MM/BLK ROHS CD173 LCD TN NEG COLOR PIN TYPE ROHS LCD Felt Sheet ROHS LED B.L White

17、 109X20.5 ROHS Eject Knob-F (L-Up) (S. N0000) ROHS VOL Knob (S.N0000) ROHS Screw 2X8 BA/ST Black ROHS 5300-0G6230-39W 5100-0G6220-891 5100-0G6221-00 5200-0G6224-81B 3600-000101-00 5200-0G6223-80 5200-0G6232-00 4300-0H6202-00 5200-0G6231-80 5200-0G6227-82 5200-0G6230-82 5200-0G6226-83 5200-0G6225-82

18、5200-0G6234-80 5200-0G6229-82B 5200-0G6228-82B 5200-0G6233-01 1121-510030-3008 1800-000115-00 3900-0H6201-00 2700-510000-110Y 4400-0A7301-01 0200-001730-09 5200-0G6239-01 5200-0G6222-30 4000-012008-21 18 EXPLODED VIEW CABINET 19 EXPLODED VIEW PARTS LIST CABINET Ref. No. Description RS Part No. Mfrs

19、Part No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Panel Ring (S.N1202) ROHS Base ROHS U Bracket (CD200/Wire) ROHS CD MECH. MG205 (205) ROHS Heat Sink (For Wire) ROHS Top Cabinet ROHS Bottom Cabinet (For Wire) ROHS Main Fiber ROHS

20、Main Board Mounting Box (072) ROHS Shade ROHS CD Windows Sheet ROHS Panel Bracket (18PIN) ROHS Pipe ROHS Bracket Spring ROHS Gear 1 (POM) ROHS Panel Bracket Spring (Left) Electroplate ROHS Panel Bracket Spring (Right) Electroplate ROHS GIB (POM) ROHS Open Adaptor ROHS Right Bracket ROHS Gear 2 (POM)

21、 ROHS Left Bracket (CD-049) ROHS CD Back Light (PC) ROHS Hook (POM) ROHS Release Spring ROHS Hook Shaft ROHS Lamp Board Right Spring (Mark 1) ROHS Spring Bracket ROHS 18PIN SKT With Flexible PCB (DVDD1628) ROHS Socked Bracket (18PIN) ROHS Deck Front Bracket (CDN217) ROHS Deck Rear Bracket ROHS Sprin

22、g Sheet ROHS M.FAE347/P21/P22 East Furepe 1 Pack 65-108MHJ ROHS FM Cover ROHS Heat Sink (7809/DB435) (0.017KG) ROHS Wire Clip 1.0MM (0.013KG) ROHS 5100-016228-80S 5100-0H6225-00 6100-0N0201-00 9400-002050-01 6100-0N0204-00 6100-0B0105-01 6100-0B0114-01 3500-0B0101-00 1111-500040-020C 6100-007211-03

23、8100-069005-03 4300-0A3103-00 6100-0H6201-00 3400-040201-00 3600-002922-03 5200-040237-00 3600-004901-02 3600-004902-02 5200-040235-00 5200-010564-00 3900-000104-00 5200-040238-00 3900-004908-00 5200-004937-00 5200-040236-00 3600-000102-00 3400-000101-00 1111-510020-3500 3600-068301-00 5200-016255-0

24、0 2500-0F1628-18A 5200-0A1235-00 3900-0N2101-00 3900-0B0101-00 3900-0E2003-00 2900-000347-03 3900-0W2001-00 3900-0B0118-00 3900-0B1415-00 20 Ref. No. Description RS Part No. Mfrs Part No. 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 Screw 5 X 18 HH ROHS Spring Washer M5 ROHS Hexagon Nut M5

25、ROHS Damper Gear-Assy ROHS Wire Fix Fiber (18PIN) ROHS Wire Fix Sheet 18PIN (0.004KG) ROHS SCREW 2X4 PA/ST ROHS SCREW 2.6X4 PH/TAPTITE ROHS SCREW 2.6X5 BH/TAPTITE ROHS SCREW 2.6X6 BH/MS ROHS SCREW 2.6X8 BH/MS ROHS SCREW 2.6X10 BH/MS ROHS SCREW M2.6X20 PH/MS ROHS SCREW 2X4 BH/ST ROHS SCREW 2X6 PA/ST

26、(Black) ROHS CAMERA SCREW M2X3 P/H (Black) ROHS SCREW 2.6X3 BH/MS ROHS SCREW 2.6X4 BH/MS ROHS 4000-005018-04 3500-050001-00 3900-040005-00 9300-040201-00 3500-008303-00 3900-008303-00 4000-002004-10 4000-002604-03 4000-002605-03 4000-002606-01 4000-002608-01 4000-002610-01 4000-002620-00 4000-012004

27、-00 4000-012006-20 4000-060203-20 4000-002603-01 4000-002604-01 21 EXPLODED VIEW (DECK) 22 EXPLODED VIEW PARTS LIST (DECK) Ref. No. Description Parts No. Qty 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 SENSOR SENSOR PCB SCREW COVER-UPPE

28、R LEVER DISC GUIDE UP BUSHING ROLLER ROLLER DISC SHAFT ROLLER PIN ROLLER PVC CAP B/K ROLLER PIN PULLEY PIN IDLE GEAR IDLE GEAR PULLEY BELT PULLEY GEAR ROLLEY LOCKER (L) CAM (L) S/P CAM (L) S/P RACK CAM (R) LOCKER GEAR RACK GEAR LOAD GEAR LOAD (D) GEAR LOAD (B) GEAR LOAD (A) PIN LOAD B/K GEAR MOTOR G

29、EAR WORM GERVO PCB ASSY SPECIAL SCREW S/P RO (L) SUPPORT DAMPER S/P RO CHASSIS MAIN ST-23G FR CA/H 0” TT 2*3 SECC T1.0 POM (F20-03) POM (F20-03) POM (F20-03) SLICON SUS 303 SUM24L-NI (PLATE) PVC SECC T1.0 SUM24L-NI (PLATE) SUM24L-NI (PLATE) POM (F20-03) POM (F20-03) CR-WRT POM (F20-03) POM (F20-03)

30、POM (F20-03) SUS304WPB SUS304WPB POM (F20-03) POM (F20-03) POM (F20-03) POM (F20-03) POM (F20-03) POM (F20-03) POM (F20-03) SUM24L-NI (PLATE) SECC T1.0 FF-050SH-11190 POM (F20-03) GLASS EPOXY 1.2T P/H TTS 2*2 SUS304WPB POM (F20-03) SUS304WPB SEEC T1.0 2 1 12 1 1 1 2 2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1

31、 1 1 1 1 1 4 1 1 1 1 4 1 3 1 1 23 EXPLODED VIEW PARTS LIST - CONTINUED (DECK) Ref. No. Description Parts No. Qty 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 CLAMP DISC HOLD CLAMPER S/P CLAMPER TURN TABLE BASE PU PIN SIDE (A) SCREW PIN SIDE (B

32、) DAMPER S/P BASE MOTOR GEAR PU (B) GEAR PU (A) SCREW MOTOR HOUSING GEAR SHAFT PU SCREW 4P CONT WIRE SPRING TENSION GEAR PU LEAD SCREW SWITCH SCREW PICK UP FPC WIRE SPRING PU FIBER PAPER S/P CAM TRANSIT SCREW INSULATOR COVER SWITCH WASHER PE S/P BASE POM (F20-03) SECC T1.0 SUS304WPB ABS G/F 20% POM

33、(F20-03) SUM24L-NI (PLATE) CA/H 0” M/S 1.7*2.5 SUM24L-NI(PLATE) BUTHYL SUS304WPB RF-400CA-12265 HYTRELL 5526 POM (F20-03) CA/H 0” M/S 2*2 FF-050SH-11190 POM (F20-03) KNN11 (PCD18) R/H (W/W) TTB2*5 1007 #28 SUS304WPB POM (F20-03) BSBM SW-110 B/H TTB1.7*8 SF-C99 POLY AMIDE SUS T0.2 0.55 4.5*18 PE SW-1

34、11 PE SUS304WPB 1 1 1 1 1 2 2 2 1 2 1 1 1 6 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 2 24 SCHEMATIC DIAGRAM (MAIN BOARD) 25 SCHEMATIC DIAGRAM (KEY BOARD) 26 SCHEMATIC DIAGRAM (CD SERVO BOARD) 27 ELECTRICAL PARTS LIST Ref. No. Part No. Description Qty PC BOARD ASSY, MAIN BOARD IC804 0100-007805-00 IC,78

35、L05 TO-92 ROHS 1 D625,D630,D639 0200-004148-02 DIODE SMD RLS4148 LL-34 ROHM ROHS 3 IC601 0300-007313-01 IC SC-7313 (SILAN) ROHS 1 IC801 0300-007388-00 IC TDA7388 (4x40W) ST Y ROHS 1 IC801 0300-0F8847-151 CPU RF8847-151 MP3+WMA+TC+RUSSION FONT 1 R704,R709,R710,R715 0700-063273-00 RES SMD 27K 5% 1/10W

36、 0603 ROHS 4 1111-500040-020CCD(D)5000YMB9X3.90 RUSSIA) 183X152X1.6MM 1 2500-010180-12 12PIN FFC-A 1.0MM L=180MM ROHS 1 TO KB 2500-0F1628-18A 18PIN SKT WITH FLEXIBLE PCB(DVDD1628) ROHS 1 ANT 3200-083210-01 ANT SOCKET W/GND 3MM L=210MM ROHS1 Q810,305 0100-000435-00S TR NPN BD435S TO-126 FAIRCHLD ROHS

37、 2 Q802,809,603,104,302,304,DQ2 0100-000812-00F 2SA812-G(ROHS) 7 Q812 0100-001240-00 TRANSISTOR B1240 ROHS 1 Q105107,Q601,Q801,803,806,808,811,3 01,303,701,DQ1 0100-003875-07F TR NPN KTC3875-GR SOT-23 ROHS 15 IC802,803 0100-007805-00 IC,78L05 TO-92 ROHS 2 Q807 0100-008550-03 TR PNP SS8550C TO-92-B R

38、OHS 1 D802 0200-004001-00 DIODE IN4001 DO-41 ROHS 1 D803,805 0200-004148-00A DIODE 1N-4148 DO-35 TAPPING ROHS 2 D601,806,632,808 0200-004148-02 DIODE SMD RLS4148 LL-34 ROHM ROHS 4 D801 0200-005401-00 DIODE IN5401 DO-27 ROHS 1 ZD302 0200-050033-54 ZENER DIODE SMD 3.3V 0.5W 2% LL-34 ROHS 1 ZD802 0200-

39、050036-02 ZENER DIODE SMD 3.6V 0.5W 2% LL-34 ROHS 1 ZD801 0200-050082-01 ZENER DIODE SMD 8.2V 0.5W LL-34 ROHS 1 ZD301 0200-050091-03 ZENER DIODE SMD 9.1V 0.5W 2% LL-34 ROHS 1 ZD803 0200-050100-02 ZENER DIODE SMD 10V 0.5W 5% LL-34 ROHS1 IC701,702 0300-004558-26S IC UTC4558 SOP (SILAN) ROHS 2 IC603 0300-007035-00 IC KIA7035AP TO-92 ROHS 1 IC101 0300-009257-00H IC SC9257