Akai-ACR-133-MMU-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL Model: ACR-133MMU CD/MP3/USBRECIVER 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). 18 Explod

2、ed View Parts Lists (Panel). 19 Exploded Views (Cabinet) . 20 Exploded View Parts Lists (Cabinet) . 21 Exploded Views (Deck). 23 Exploded View Parts Lists (Deck). 24 Schematic Diagram . 26 Electrical Parts List. 29 Specifications. 38 RadioFans.CN 收音机爱 好者资料库 3 DISASSEMBLY INSTRUCTIONS 1. Using the un

3、lock 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 C

4、abinet. 4. Take out the Front Panel and the Ring. Remove the screw (C) from on the front side of the Base. 5. Remove two screws (D) from on the right side of the Rear-right Cabinet. Remove the screw (E) from on the left side of the Rear-right Cabinet and the screw (F) on the right side of the heat s

5、ink. 6. Remove two screws (G) from under the deck front bracket then remove the Deck Front Bracket. Remove two screws (H) from under the deck rear bracket then remove the Deck Rear Bracket and the Deck. 7. Remove two screws (I) from on the back of the Rear-right Cabinet then remove the Power IC Brac

6、ket 8. Remove two screws (J) from on the left side of the heat sink. 9. Remove two screws (K) from on the left side of the heat sink then remove the IC Bracket. 10. Remove the screw (L) from on the back of the side bracket then remove Wire Clip. 11. Remove two screws (M) from under the main board th

7、en remove two the SD PCB Bracket and the SD Card PCB Board. 12. Remove two screws (N) from each side of the base then remove the Base. 13. Remove three screws (O) from under the main board then remove the Heat Sink, Rear-right Cabinet and the Main Board. RadioFans.CN 收音机爱 好者资料库 4 DISASSEMBLY DIAGRAM

8、 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 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 s

9、ource 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 strength read in this section is voltage on the antenna. Test Diagram 4-SPEAKER VTVM DISTORTION METER 2-SPEAKER FRONT SPK. SPK. FL. RL.

10、 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 (14.4V) 6 BLOCK DIAGRAM 7 ALIGNMENT LOCATIONS MITSUMI TUNER 8 ALIGNMENT PROCEDURES FM ADJUSTMENT Equipment Required ? ? AM IF/RF signal

11、 generator ? ? Solid-state voltmeter (SSVM) ? ? Regulated DC power supply ? ? 2-CH voltmeter ? ? Distortion meter FM Alignment Using FM Signal Generator Note: Press the radio power switch to on the radio. Signal generator output must be kept as low as possible to avoid overload and clipping. Step Ge

12、nerator 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 = 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

13、. 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 VR3 Adjust AF to stop station. Note: The tuner module is well-adjust and adjustment is not recommended. 9 PRINTED CIRCUIT BOARDS MAI

14、N 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 FRONT BOARD TOP VIEW 16 FRONT BOARD BOTTOM VIEW 17 SD/MMC CARD BOARD 18 EXPLODED VIEW PANEL 19 EXPLODED VIEW PARTS LIST PANEL Ref. No. Description RS

15、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 27 28 29 Lens: (L)(CD)X3.82.25;N/IR W/WMA(S.N0000/WHT) (AKAII ACR-133MMU)ROHS T. Panel (F)X3.59.16 N/SW(S.1202/426C+BLK/422C) ROHS Panel Bottom (F) Open Knob (F) (S.N1202/426C) ROHS Release Spring VOL Knob (E

16、lectron-Plate -Silver) EQMUT Knob (L-UP)(S.N1202) ROHS LOC/MON Knob (L-UP)(S.N0000) ROHS 1PAU6 Knob (L-UP)(S.N0000) ROHS 8/9 TRK Knob (L-UP)(S.N0000) ROHS Power Knob (S.N1202/426C) ROHS BAND/MENU/ST/LOC/TITEL Knob (L-UP) (S.N1202) ROHS USB Cover (Grey) ROHS Decoration (F) W/O USB (S.N1202) ROHS Key

17、Board LCD Cover ROHS LCD CD5002TN NEG Black Mask Color Pin 99X25.3MM ROHS LED B.L QB02002-09 23.5X99 White ROHS Axis Post ROHS Right Side Block ROHS Contact Spring ROHS Left Side Block ROHS E-Ring 1.5X4X0.4MM ROHS Screw 2X8 BA/ST Black ROHS AS/PS Knob (L-UP) (S.N1202) ROHS 7MOD Knob (L-UP)(S.N1202)

18、ROHS RESET Knob (S.N1202) ROHS LING For VOL Knob ROHS AKAI logo (S.N0000) Silver Hot Stamp ROHS 5300-NK7137-312 5100-NK7121-811 5100-NK7123-00 5200-NK7126-81Y 3600-065001-00 5200-NK7128-90E 5200-NK7134-81 5200-NK7135-31 5200-NK7136-32 5200-NK7133-31 5200-NK7127-81Y 5200-NK7131-81 8100-0M2120-00 5200

19、-NK7125-80 1121-501030-3208 3900-0E2104-01 2700-500200-110Y 0200-0A1560-09 3400-0-24601-00 5200-0E2128-00 3600-078008-00 5200-0E2129-00 3500-000001-00 4000-012008-21 5200-NK7130-81 5200-NK7132-81 5200-NK7129-80 5200-NK7140-00 5200-0K7144-31 20 EXPLODED VIEW CABINET 21 EXPLODED VIEW PARTS LIST CABINE

20、T 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 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Panel Ring (S.N1202) Base (F) (MMS+SD) ROHS Rear-right Cabinet W/Spring FOR CD-WIRE ROHS CD MECH. MG205 (205) ROHS Left Cabinet-heat Sink W/S

21、pring ROHS Top Cabinet ROHS Bottom Cabinet ROHS Main Fiber ROHS Main Board Mounting Box ROHS Shade ROHS CD Windows Sheet ROHS Hook Shaft ROHS Hook Spring ROHS Hook ROHS Push Out Spring ROHS Panel Pole ROHS B-Light (F) (White) ROHS Front Board Connector Female 20PIN P=2.0MM V-Type East SUN ROHS Eject

22、 Key (S. N0000) (L-Up) ROHS Eject Board Right Bracket ROHS Damper Gear Assy /19-24 T/Q ROHS Middle Gear (F) ROHS Left Bracket ROHS Deck Front Bracket ROHS Deck Rear Bracket For CD ROHS M.FAE347/P21/P22 East Furepe 1 Pack 65-108MHJ ROHS Shield Cover (Mitsumi Tuner)(0.045KG) ROHS SD PCB BKT (0.002KG)

23、ROHS PCB Bracket (GOODMANS) ROHS Wire Clip 1.0MM ROHS Power IC BKT ROHS Screw 5X18 HH ROHS Spring Washer M5 ROHS Hexagon Nut M5 ROHS SD Card Board IC Bracket For Regulntor ROHS 5100-016227-80D 5100-0E2126-00 6100-300003-002 9400-002050-01 6100-300004-003 6100-300001-000 6100-300002-000 3500-300001-0

24、00 1111-500040-020C 6100-300005-000 8100-069005-03 4300-0A3103-00 3400-0D2101-00 3600-0E2101-00 5200-0E2127-00 3600-0E2102-00 5200-0E2126-00 5200-0W2049-00W 1111-500030-3401 2500-0F0217-20A 5200-NK7138-31 1111-500030-3401 3900-0E2101-01 9300-012246-01 5200-0E2130-00 3900-0E2102-01 3910-300001-000 39

25、00-300002-000 2900-000347-03 3900-0W2001-00 3900-0E2013-00 3900-0B0110-00 3900-0B1415-00 3900-300006-000 4000-005018-04 3500-050001-00 3500-040005-00 1111-300010-3408 3900-300007-000 22 Ref. No Description RS Part No. Mfrs Part No. 41 42 43 44 45 46 47 48 49 50 Screw 2.6X4 BH/MS ROHS Screw 2.6X5 BH/

26、TAPTITE ROHS Screw 2.6X6 PH/MS ROHS Screw 2.6X6 BH/MS ROHS Screw 2.6X6 PH/MS BLACK ROHS Screw 2.6X8 BH/MS ROHS Screw M2.6X20 PH/MS ROHS Screw 2X4 BH/ST Black ROHS Screw 2X6 PA/ST (Black) ROHS Camera Screw M2X3 P/H (Black) ROHS 4000-002604-01 4000-002605-03 4000-002606-00 4000-002606-01 4000-002606-2

27、0 4000-002608-01 4000-002620-00 4000-012004-21 4000-012006-20 4000-060203-20 23 EXPLODED VIEW (DECK) 24 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 SCR

28、EW COVER-UPPER 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

29、 GEAR MOTOR GEAR WORM SERVO 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)

30、POM (F20-03) 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

31、1 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 4 1 3 1 1 25 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) SCRE

32、W PIN SIDE (B) 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

33、 G/F 20% POM (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

34、4.5*18 PE SW-111 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 26 SCHEMATIC DIAGRAM (MAIN BOARD) 27 SCHEMATIC DIAGRAM (KEY BOARD) 28 SCHEMATIC DIAGRAM (CD SERVO BOARD) 29 ELECTRICAL PARTS LIST Ref. No. Part No. Description Qty PC BOARD ASSY, MAIN BOARD D639,630 020

35、0-004148-02 DIODE SMD RLS4148 LL-34 ROHM ROHS 2 IC601 0300-007313-01 IC SC-7313 (SILAN) ROHS 1 IC801 0300-007388-00 IC TDA7388 (4x40W) ST Y ROHS 1 IC601 0300-0F8847-151 CPU RF8847-151 MP3+WMA+TC+RUSSION FONT 1 R704,709,710,715 0700-063273-00 RES SMD 27K 5% 1/10W 0603 ROHS 4 1111-500040-020 C CD(D)50

36、00YMB9X3.90 RUSSIA) 183X152X1.6MM 1 ANT 3200-083210-01 ANT SOCKET W/GND 3MM L=210MM ROHS 1 Q810,305 0100-000435-00S TR NPN BD435S TO-126 FAIRCHLD ROHS 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,Q801,803,806,808,8 11,301,30

37、3,701,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 ROHS 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

38、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 0200-050036-02 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 ROHS 1 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 ROHS 1 XT601 0400-000072-01H CRYSTAL OSCILLATOR 7.2MHZ 30PPM H