Akai-ACR-224-MMU-Service-Manual(1) 电路图 维修手册.pdf

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1、RadioFans.CN 收音机爱 好者资料库 DISASSEMBLY INSTRUCTIONS 1.Using the unlock 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) locat

2、ed on the rear of the bottom cabinet then remove the Bottom Cabinet. 4.Take out the Front Panel and the Ring. Remove the 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-righ

3、t Cabinet and the screw (F) on the right side of the heat sink. 6.Remove two screws (G) from on the back of the Rear-right bracket then remove the ISO Antenna Socket/Short W/Holder. 7.Remove two screws (H) from under the deck front bracket then remove the Deck Front Bracket. Remove two screws (I) fr

4、om under the deck rear bracket then remove the Deck Rear Bracket and the Deck. 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 two screws (L) from on the rear side of Rear-right Cabin

5、et then remove the Power IC Bracket. 11.Remove two screws (M) from each side of the base then remove the Base. 12.Remove the screw (N) from right side of the Rear-right bracket then remove the Hexagon Nut. 13.Remove the screw (O) from on the back of the Rear-right then remove ISO 36PIN Socket. 14.Re

6、move three screws (P) from under the main board then remove the Heat Sink, Rear-right Bracket and the Main Board. RadioFans.CN 收音机爱 好者资料库 DISASSEMBLY DIAGRAM RadioFans.CN 收音机爱 好者资料库 OPERATION CHECK GENERAL SPECIFICATIONS OF SIGNAL Standard frequency Signal output Modulation FM MW FM MW MW FM Stereo

7、98.1 MHz (65.0, 74.0MHz)(87.5, 108.0 MHz) 1000 kHz (522, 1620 kHz) 1mV 5 mV 400 Hz30% MOD. 1 kHz75kHz DEV. 46% for L only or R only pilot level 8% AF output levelFM/MW Power source voltageDC 14.0V (Backup voltage is the same as this) AF load impedance4 ohm pure resistance BalanceCenter position of l

8、evel ToneCenter 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. 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 A

9、NTANNA ACC (DV14.4V) GROUND BACK UP (14.4V) BLOCK DIAGRAM ALIGNMENT LOCATIONS MITSUMI BOARD 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 No

10、te: Press the radio power switch to on the radio. Signal generator output must be kept as low as possible to avoid overload and clipping. StepGenerator Coupling GeneratorDisplay Setting AdjustmentRemarks Stereo Separation Signal Generator to antenna receptacle 98.1 MHz Int. 1 kHz Dev. 75 kHz L+R = 9

11、0 % Pilot = 10 % 98.1 MHzVR1 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 MHzVR2Stereo Separation 25 dB (5 dB) Stop SENS. Signal Generator to antenna receptacle 98.1 MHz Mod. 1kHz Dev 75kHz 98

12、.1 MHzVR3 Adjust AF to stop station. Note: The tuner module is well-adjust and adjustment is not recommended. PRINTED CIRCUIT BOARDS MAIN BOARD TOP VIEW MAIN BOARD BOTTOM VIEW KEY BOARD TOP VIEW KEY BOARD BOTTOM VIEW CD SERVO BOARD TOP VIEW CD SERVO BOARD BOTTOM VIEW FRONT BOARD TOP VIEW FRONT BOARD

13、 BOTTOM VIEW BT BOARD TOP VIEW BT BOARD BOTTOM VIEW TC ISO BOARD TOP VIEW TC ISO BOARD BOTTOM VIEW 21 EXPLODED VIEW PANEL 22 EXPLODED VIEW PARTS LIST PANEL Ref. No.DescriptionRS 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

14、37 38 39 LENS(S.N0000/PMS422C)XN5.16W/RDS N/IR ROHS TOP PANEL(S.N0000+N1204/PMS422C+PMS426C)ROHS BOTTOM FOR BTSO60 ROHS MODE/PAIR KB(S.N1204)ROHS POWER/MUTE KB (S.N1204)ROHS 1 PAU KB(S.N0000)ROHS 2SCN KB(S.N0000)ROHS 3RPT KB(S.N0000)ROHS 4SHF KB(S.N0000)ROHS 5DIR-KB(S.N0000)ROHS 6DIR+KB(S.N0000)ROHS

15、 7AF KB (S.N0000)ROHS 8TA/EQ KB(S.N0000)ROHS 9PTY KB (S.N0000)ROHS */AS/PS KB (S.N0000)ROHS 0 DSP/CON KB (S.N0000)ROHS #/SCAN KB (S.N0000)ROHS T-MENU KB(S.N1204)ROHS COVER W/USB (S.N0000)ROHS USB COVER (GREY) ROHS LCD BRACKET FOR BT5060 ROHS SEL/MENU KB(S.N0000)ROHS VOL BACKLIGHT ROHS DIRECTION KB(E

16、-BLACK)ROHS OPEN KB(S.N1204)ROHS PHONE OFF/BND KB (S.N1204) ROHS PHONE ON KB (S.N1204)ROHS KEY BOARD AXIS POST ?2.0X60 ROHS RIGHT SIDE BLOCK ROHS CONTACT SPRING ROHS LEFT SIDE BLOCK ROHS E-RING ?1.5X0.4X0.4MM HARDEN ROHS RE KNOB SPRING ROHS LCM FSTN POS COG132040A00-FKN-R 80X29X2.8MM BT- CD5060 ROHS

17、 LED BACKLIGHT WHITE 85.5X23MM YUHUA ROHS SCREW ?1.7X4 PH/ST ROHS SCREW ?2X8 BH/ST BALCK ROHS SCREW ?2X4BH/ST BALCK ROHS 5300-506020-33Y 5100-506020-31Y 5100-506021-000 5200-506026-810 5200-506027-810 5200-506028-310 5200-506029-310 5200-506030-310 5200-506031-310 5200-506032-310 5200-506033-310 520

18、0-506034-310 5200-506035-310 5200-506036-310 5200-506037-310 5200-506038-310 5200-506039-310 5200-506040-810 5200-506042-300 8100-0M2120-00 5200-506043-000 5200-506022-310 5200-506020-00W 5200-506021-90B 5200-506023-800 5200-506024-810 5200-506025-810 1121-506030-3001 3400-024601-00 5200-0E2128-00 3

19、600-078008-00 5200-0E2129-00 3500-000001-01 3600-011852-00 2700-506030-020L 0200-506009-00 4000-011704-00 4000-012008-01 4000-012004-21 23 EXPLODED VIEW CABINET 24 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

20、23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Panel Ring (S.N02001) ROHS Base (F) (MMS+SD) ROHS Rear-right Cabinet W/Spring For CD-ISO ROHS Deck CDM-1624EUK(SF-CP2)CHUDONG (R01-3A) ROHS Left Cabinet-heat Sink W/Spring ROHS Top Cabinet ROHS Bottom Cabinet ROHS Main Fiber ROHS Main Board Mounting

21、 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 Key (S. N0000) (L-Up) ROHS Eject Board Right Bracket ROHS Damper Gear Assy /19-24

22、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 IC Bracket For Regulntor ROHS ISO Antenna Socket/Short W/Holder ROHS Hexagon Nut M2.6 ROHS Power IC BKT

23、ROHS Screw 5X18 HH ROHS Spring Washer M5 ROHS Hexagon Nut M5 ROHS Antenna Bracket ROHS 5100-0G2121-30G 5100-0E2126-00 6100-300006-002 9400-001684-13C 6100-300004-003 6100-300001-000 6100-300002-000 3500-300001-000 1121-506030-0400 6100-300005-000 8100-069005-03 4300-0A3103-00 3400-0D2101-00 3600-0E2

24、101-00 5200-0E2127-00 3600-0E2102-00 5200-0E2126-00 5200-506045-00W 1121-506030-3600 2500-0F0217-20A 5200-506044-010 1121-506030-3600 3900-0E2101-01 9300-012246-01S 5200-0E2130-00 3900-0E2102-01 3910-300001-000 3900-300002-000 2901-000347-03 3900-0W2001-00 3900-300007-000 3900-024613-00 3500-040026-

25、00 3900-300006-000 4000-005018-04 3500-050001-00 3500-040005-00 5200-024625-00 25 Ref. No Description RS Part No. Mfrs Part No. 40 41 42 43 44 45 46 47 48 49 50 Connector ISO Female 36Pin P=1.5MM ROHS BT Board Screw 2X6 PA/ST (Black) ROHS Camera Screw M2X3 P/H (Black) ROHS Screw 2.6X4 BH/MS ROHS Scr

26、ew 2.6X5 BH/TAPTITE ROHS Screw M2.6X20 PH/MS ROHS Screw 2.6X6 BH/MS ROHS Screw 2.6X6 PH/MS BLACK ROHS Screw 2.6X8 BH/MS ROHS Screw 2X4 BH/ST Black ROHS 2500-012245-36 1121-506030-1400 4000-012006-20 4000-012003-09H 4000-002604-01 4000-002605-03 4000-002606-00 4000-002606-01 4000-002606-20 4000-00260

27、8-01 4000-012004-21 26 EXPLODED VIEW (DECK) 27 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-UPPER LEVER DISC GUIDE UP BUSHING ROLLER ROLLER

28、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 GEAR WORM SERVO PCB ASSY SPECIAL SCREW S/P RO

29、 (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) POM (F20-03) SUS304WPB SUS304WPB POM (F20-03

30、) 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 1 1 1 1 1 4 1 1 1 1 4 1 3 1 1 28 EXPLODED V

31、IEW 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) DAMPER S/P BASE MOTOR GEAR PU (B) GEAR PU

32、(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 (F20-03) SUM24L-NI (PLATE) CA/H 0” M/S 1.7*2

33、.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 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

34、1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 2 29 SCHEMATIC DIAGRAM (MAIN BOARD) 30 SCHEMATIC DIAGRAM (KEY BOARD) 31 SCHEMATIC DIAGRAM (CD SERVO BOARD) 32 ELECTRICAL PARTS LIST Ref. No. Part No. Description Qty PC BOARD ASSY, MAIN BOARD Q610 0100-000812-00 TR PNP 2SA812 SOT-23 KEC ROHS 1 Q608 0100-001132-0

35、0 TR PNP 2SB1132Q SOT-89 ROHM ROHS 1 Q605,609 0100-003875-07 TR NPN 2SC3875G SOT-23 NEC ROHS 2 D609,610 0200-004148-02 DIODE SMD RLS4148 LL-34 ROHM ROHS 2 C650652 0500-063104-01 CER.CAP SMD 0.1uF 50V 10% X7R 0603 ROHS3 C630,632 0600-016106-54 E.CAP SMD 10uF 10% 16V ?45.5MM ROHS 2 R667 0700-063100-00

36、 RES SMD 10? 5% 1/10W 0603 ROHS 1 R668 0700-063102-00 RES SMD 1K? 5% 1/10W 0603 ROHS 1 R644 0700-063103-00 RES SMD 10K? 5% 1/10W 0603 ROHS 1 R635,646,671 0700-063104-00 RES SMD 100K? 5% 1/10W 0603 ROHS 3 R605 0700-063222-00 RES SMD 2.2K? 5% 1/10W 0603 ROHS 1 R611 0700-063224-00 RES SMD 220K? 5% 1/10

37、W 0603 ROHS 1 R669,670 0700-063473-00 RES SMD 47K? 5% 1/10W 0603 ROHS 2 L8060900-000220-54BINDUCTOR 22uH CD75 ?7X5MM SMT ROHS 1 CON606 2500-016125-01 SOCKET SMD 16PIN P=1.25 1.25T-2-16PWB JINSHZ ROHS 1 SD CARD 2500-020080-12 SOCKET SD CARD CONNECTOR PUSH TYPE ROHS 1 IC8040300-007805-11SREGULATOR UTC

38、7805 (TO-220) SILAN ROHS 1 SB TO MB 3200-506016-00 CABLE BT-CD5060 16PIN SOCKET+WIRE P=1.25MM ROHS 1 ZD601,602 0200-000062-07 E.S.D.DIODE SMD NNCD6.2G SOT23-5L ROHS 2 D615,627,108,109,619,621 0200-004148-02 DIODE SMD RLS4148 LL-34 ROHM ROHS 6 IC602 0300-000095-10 IC MN101CT95G ORIT RUSSIANT FONTS TQ

39、FP080-P-1212D DOT LCD PANASON2C ROHS 1 C112,113 0500-063153-01 CER.CAP SMD 0.015uF 50V 10 X7R 0603 ROHS2 C114/5 0500-063472-01 CER.CAP SMD 4700PF 50V 10% X7R 0603 ROHS 2 R3,4,7,8,14,601,602,160 0700-063000-00 RES SMD 0? 5% 1/10W 0603 ROHS ROHS 8 R19 0700-063103-00 RES SMD 10K? 5% 1/10W 0603 ROHS 1 R

40、608 0700-063331-00 RES SMD 330? 5% 1/10W 0603 ROHS 1 R113,114 0700-063332-00 RES SMD 3.3K? 5% 1/10W 0603 ROHS 2 R111,112 0700-063562-00 RES SMD 5.6K? 5% 1/10W 0603 ROHS 2 MB 1121-506030-04 00 PCB D/S BT-CD5060 YMB ISO SOCKET 182.4X152.4X1.2MM 1 IC801 0300-007388-00 IC TDA7388 (4x40W) ST Y ROHS 1 ISO

41、 1121-300031-43 00 ISO PCB D/S 39.9X44.2 X1.2MM (4X40W) COMMON 1 ? 2500-012245-36 CONNECTOR ISO FEMALE 36PIN P=1.5MM SW/RCA/CDC/AUX IN ROHS 1 TUNER 2901-000347-03 M.FAE347/P21/P22 EAST FUREPE 1 PACK 65-108MHJ 1 ANT 3100-086060-08 SINGLE SHIELD WIRE 60MM GREY ROHS 1 FUSE 3300-000338-00 FLAT TYPE (DIN

42、 FUSE) 15A BLUE ROHS 1 Q802,807,809,104,606 0100-000812-00 TR PNP 2SA812 SOT-23 KEC ROHS 5 Q817 0100-001385-00 KTA1385D-Y (DPAK) ROHS 1 33 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Qty Q607,703,801,803806,808 ,816,818,820,107,201,202,2 03,330 0100-003875-07 TR NPN 2SC3875G SOT-23

43、 NEC ROHS 16 D802 0200-004001-01 DIODE SMD IN-4001 SOD-106 TAPPING ROHS 1 D804,807,811 0200-004148-02 DIODE SMD RLS4148 LL-34 ROHM ROHS 3 ZD802 0200-050036-02 ZENER DIODE SMD 3.6V 0.5W 2% LL-34 ROHS1 ZD603 0200-050056-01 ZENER DIODE SMD 5.6V 0.5W 2% LL-34 ROHS1 ZD803 0200-050100-02 ZENER DIODE SMD 1

44、0V 0.5W 5% LL-34 ROHS 1 IC606 0300-002313-00 I.C.PT2313L ROHS 1 IC701,702 0300-004558-16 I.C. BA4558F ROHS 2 IC805,806 0300-007805-02 A IC LM78L05 (SOP-89) (ASB) ROHS 2 IC803 0300-007818-02 REGULATOR NJM78L18 SOT-89 1 IC101 0300-009257-00 S IC SC9257 ROHS 1 ? 0300-081200-33 LDO 3.3V S-812C33AUA-C2N-

45、T2 SOT-89-3 SEIKO ROHS 1 XT102 0400-000072-02 CRYSTAL 7.2MHZ HC-49US SMD CL=20PF ROHS 1 XT601 0400-000100-01 CRYSTAL HC-49U/SM 10MHZ(20PF PM) ROHS 1 C801804,116,117 0500-003105-10 M CER.CAP SMD 1uF 25V 20% X7R 0805 ROHS 6 C614,619,624627,660,8300500-003225-10 CER.CAP SMD 2.2uF 25V 20% X7R 1206 ROHS8

46、 C208,704,705,706 0500-016225-54 TAN CAP SMD 2.2uF 16V 10% 3.21.61.6MM ROHS 5 C850 0500-016475-10 TAN CAP SMD 4.7uF 16V 10% 3.21.61.6MM ROHS 1 C817 0500-063101-00 CER.CAP SMD 100PF 50V 5% NPO 0603 ROHS1 C603,604,607,668,805808 ,108,147 0500-063102-01 CER.CAP SMD 1000PF 50V 10% X7R 0603 ROHS 10 C628,

47、635 0500-063103-01 CER.CAP SMD 0.01uF 50V 10% X7R 0603 ROHS 2 C612,613,634,638,811,818, 819,839,844,881,882,110,1 11 0500-063104-01 CER.CAP SMD 0.1uF 50V 10% X7R 0603 ROHS13 C665,666 0500-063150-00 CHIP CAP 15PF NPO 0603 SMT ROHS 2 C601,602 0500-063200-00 CER.CAP SMD 20PF 50V 5% NPO 0603 ROHS 2 C119

48、 0500-063220-00 CER.CAP SMD 22PF 50V 5% NPO 0603 ROHS 1 C101,105,109,122,136,138, 202 0500-063223-01 CER.CAP SMD 0.022uF 50V 10% X7R 0603 ROHS 7 C620623 0500-063224-01 CER.CAP SMD 0.22uF 16V 10% X7R 0603 ROHS 4 C615,616 0500-063272-01 CER.CAP SMD 2700PF 50V 10% X7R 0603 ROHS 2 C145,146 0500-063300-00 CER.CAP SMD 30PF 50V 5% NPO 0603 ROHS 2 C814 0500-063474-02 CER.CAP SMD 0.47uF 16V +80/-20% X5R 0603 ROHS 1 C664,812,820,106 0600-016106-54 E.CAP SMD 10uF 10% 16V ?45.5MM ROHS 4 C617,701,816,834838,1070600-016107-54 E.CAP SMD 100uF 16V 10% ?6.35.5MM ROHS 9 C809 0600-016225-54 E.CAP 2.2uF .SMD RO