Akai-ACR-129-MMU-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL Models: ACR-129MMU CD/MP3/USB/RDSRECIVER 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.9 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).20 Exploded View Parts Lists (Deck) .21 Schematic Diagram .23 Electrical Parts List .26 Specifications.33 RadioFans.CN 收音机爱 好者资料库 3 DISASSEMBLY INSTRUCTIONS 1. Using the unlock key t

3、hat 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 Cabinet. 4.

4、 Take out the Front Panel and the Ring. Remove two screws (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 sink. 6. R

5、emove 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 IC Bracket (7805). 8.

6、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 two screws (L) from on the rear side of Rear-right Cabinet then remove the Power IC Bracket. 11. Remove the screw (M) from on the back

7、of the side bracket then remove Wire Clip. 12. Remove two screws (N) from under the main board then remove two SD PCB Brackets and the SD Card PCB Board. 13. Remove two screws (O) from each side of the base then remove the Base. 14. Remove three screws (P) from under the main board then remove the H

8、eat Sink, Rear-right Cabinet 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 kHz (530, 1710 kHz) 1mV 5 mV 400 Hz 3

9、0% 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 strength read in this section is voltage

10、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 (14.4V) 6 BLOCK DIAGRAM 7 ALIGNMENT LOCAT

11、IONS MITSUMI BOARD 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 radio power switch to on the radio. S

12、ignal generator output must be kept as low as possible to avoid overload and clipping. Step Generator Coupling Generator Display Setting AdjustmentRemarks 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 po

13、wer 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 VR3 Adjust AF to stop station. Note: Th

14、e 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 SD/MMC CARD BOARD 16 EXPLODED VIEW PANEL 17 EXPLODED VIEW

15、 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 27 28 29 30 31 32 33 34 35 36 37 38 Lens(S.N0000/WHT)DX3.82.25N/SW/IR(AKAI ACR-129MMU) ROHS T. Panel (S. N0000/WHT) X3.18.9 ROHS Panel Bottom ROHS Decorate B (S. N000

16、0) ROHS Left Decorate A (S. N0000) ROHS USB Decorate D (S. N0000/WHT) ROHS USB Cover (Black) ROHS Release (S. N0000) ROHS “Open” Spring ROHS SEL Base (S.N1204) ROHS Decorate For Volume(Crystal/Blue) ROHS SEL (L-UP)(S.N0000)ROHS SEL Knob (Crystal/Blue) ROHS STOPPER For SEL ROHS EQ (L-Up) (S. N0000) R

17、OHS Adaptor For EQ ROHS Power (Crystal/blue PMS291C)ROHS Adaptor For PWR ROHS AS/PS/2SCN/4SHF/6(L-UP)(S.N0000) ROHS 1PAU/3RPT/5(L0UP)(S.N0000) ROHS MD (L-Up) (S. N0000) ROHS MD Knob (Crystal/Blue) ROHS TUN/TRK (L-Up) (S. N0000) ROHS BND(Crystal/Blue PMS291C)ROHS Adaptor For BND ROHS EJ (L-Up) (S.N00

18、00) ROHS Decorated Ring (S. N0000) ROHS LOC/MON/DSP/MUT(L-UP)(S.N0000)ROHS 4D Knob (Clear/Blue) ROHS Adaptor For 4D ROHS B-L For 4D ROHS B-L For CD-Mouth ROHS B-L For Main Key ROHS Key Board LCD Bracket Real (E) ROHS CD3001 LCD TN NEG Color Black Mask 22X84 PIN ROHS CD1007 B. Light /White ROHS Screw

19、 2X8 BA/ST Black ROHS 5300-0J2060-356 5100-0J2021-32W 5100-0C2522-00 5200-0J2039-30 5200-0J2038-30 5200-0J2040-31W 5200-0J2063-00 5200-0J2035-30 3600-040205-00 5200-0J2037-80 5200-0J2058-70 5200-0J2029-01 5200-0J2057-70 5200-0J2056-00 5200-0J2022-01 5200-0J2053-00 5200-0J2051-71B 5200-0J2033-00 5200

20、-0J2025-02 5200-0J2026-02 5200-0J2030-01 5200-0J2052-70 5200-0J2024-01 5200-0J2051-72B 5200-0J2032-00 5200-0J2021-01 5200-0J2036-80 5200-0J2027-02 5200-0J2054-70 5200-0J2034-00 5200-0J2055-00 5200-0J2023-00 5200-0J2062-00 1121-300630-3108 3900-0E2004-00 2700-300200-110Y 0200-001007-09 4000-012008-21

21、 18 EXPLODED VIEW CABINET 19 EXPLODED VIEW PARTS LIST CABINET 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 Panel Ring/ABS + SPY (S .N0000) ROHS Base (E) (MMC+SD) ROHS Rear-right Cabinet W/Sprin

22、g For CD-wire ROHS CD MECH. MG205 (205) ROHS Left Cabinet-heat Sink W/Spring ROHS Top Cabinet ROHS Bottom Cabinet ROHS Main Fiber ROHS Main Board Mounting Box ROHS Shade ROHS CD Windows Sheet ROHS Lock Panel Knob ROHS Spring For EJ Panel CD300 ROHS Hook Knob ROHS Spring For Hook Knob CD300 ROHS Deck

23、 Front Bracket (Detachable) ROHS Deck Rear Bracket for CD ROHS FM Cover ROHS M.FAE347/P21/P22 East Furepe 1 Pack 65-108MHJ ROHS SD+MMC CARD Board PCB Bracket (GOODMANS) ROHS SD PCB Bracket ROHS IC Bracket (7805) ROHS Power IC Bracket ROHS IC Bracket For Regulator ROHS Wire Clip 1.0MM ROHS Screw 5X18

24、 HH ROHS Spring Washer M5 ROHS Hexagon Nut M5 ROHS Screw 2.6 X 4 BH/MS ROHS Screw 2.6 X 5 BH/TAPTITE ROHS Screw 2.6 X 6 BH/MS ROHS Screw 2.6 X 6 BH/MS Black ROHS Screw 2.6 X 8 BH/MS ROHS Screw 2.6 X 10 BH/MS ROHS Screw M2.6 X 20 PH/MS ROHS 5100-0E2022-30 5100-0E2028-00 6100-300002-002 9400-002050-01

25、 6100-300004-003 6100-300001-000 6100-300002-000 3500-300001-000 1111-500040-020C 6100-300005-000 8100-069005-03 4300-0A3103-00 5200-0E2041-00 3600-0E2001-00 5200-0E2040-01 3600-0E2002-00 3900-300001-000 3900-300002-000 3900-0W2001-00 2900-000347-03 1111-300010-3408 3900-0B0110-00 3900-0E2013-00 390

26、0-0C1817-00 3900-300006-000 3900-300007-000 3900-0B1415-00 4000-005018-04 3500-050001-00 3500-040005-00 4000-002604-01 4000-002605-03 4000-002606-01 4000-012606-01 4000-002608-01 4000-002606-00 4000-002620-00 20 EXPLODED VIEW (DECK) 21 EXPLODED VIEW PARTS LIST (DECK) Ref. No. Description Parts No. Q

27、ty 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-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 ROLL

28、EY 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 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 (F20-0

29、3) 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) 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-

30、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 1 1 1 1 1 4 1 1 1 1 4 1 3 1 1 22 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

31、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) 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

32、 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 (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 P

33、OM (F20-03) KNN11 (PCD18) R/H (W/W) TTB2*5 1007 #28 SUS304WPB POM (F20-03) BSBM SW-110 B/H TTB1.7*8 MG205 POLY AMIDE SUS T0.2 0.55 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 23 SCHEMATIC DIAGRAM (MAIN BOARD) 24 SCHEMATIC DIAGRAM (KEY BOARD) 25 S

34、CHEMATIC DIAGRAM (CD SERVO BOARD) 26 ELECTRICAL PARTS LIST Ref. No. Part No. Description Qty PC BOARD ASSY, MAIN BOARD D639,D630 0200-004148-02 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 IC602 0300-0F8847-151

35、 CPU RF8847-151 MP3+WMA+TC+RUSSION FONT 1 R704,R709,R710,R715 0700-063273-00 RES SMD 27K 5% 1/10W 0603 ROHS 4 1111-500040-020 C CD(D)5000YMB9X3.90 RUSSIA) 183X152X1.6MM 1 RESET 1600-000244-00 SWITCH TACT KFC-A06-2WA 7.46.56.6MM XYS ROHS 1 2500-0F2006-17 CONNECTOR FEMALE 17PIN P=2.0MM DR-F17-2.0 EAST

36、SUN ROHS 1 ANT 3200-083210-01 ANT SOCKET W/GND 3MM L=210MM ROHS 1 Q810,Q305 0100-000435-00S TR NPN BD435S TO-126 FAIRCHLD ROHS 2 Q802,Q809,Q104,Q302,Q304 0100-000812-00F 2SA812-G(ROHS) 5 Q812 0100-001240-00 TRANSISTOR B1240 ROHS 1 Q105107,Q601,Q801,Q8038 06,Q808,Q811,Q301,Q303,Q70 1 0100-003875-07F

37、TR NPN KTC3875-GR SOT-23 ROHS 14 I802,IC803 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,D805 0200-004148-00A DIODE 1N-4148 DO-35 TAPPING ROHS 2 D601,D806,D632,D808 0200-004148-02 DIODE SMD RLS4148 LL-34 ROH

38、M 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 ROH

39、S 1 ZD803 0200-050100-02 ZENER DIODE SMD 10V 0.5W 5% LL-34 ROHS 1 IC701,IC702 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 HC-49U/S ROHS 1 C805808 0500-003102-10 CER.CAP SMD 1000PF 50V 10% 0805 Y5P ROHS 4 C122,C610,C116,C117,C611,C 801804 0500-003105-