Akai-ACR-24-MPU-Service-Manual(1) 电路图 维修手册.pdf

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1、 PLL SYNTHESIZER STEREO RADIO WITH COMPACT DISC PLAYER DIGITAL BND EQ DSP 0 POWER 9 8 AMS MOD DIR 1 PAU2 SCN3 RPT4 SHF AFTAPTY REC OPEN IR ENT/LOU D-AUD Push SEL 56 REG MODEL: ACR-24MPU RadioFans.CN 收音机爱 好者资料库 2 CONTENTS Page Disassembly Instructions. 3 Disassembly Diagram. 4 Operation Check. 5 Bloc

2、k Diagram . 6 Alignment Locations . 7 Alignment Procedures . 8 Printed Circuit Boards. 9 Exploded Views (Panel) .17 Exploded View Parts Lists (Panel) .18 Exploded Views (Cabinet).19 Exploded View Parts Lists (Cabinet).20 Exploded Views (Deck) .22 Exploded View Parts Lists (Deck) .23 Schematic Diagra

3、m .25 Electrical Parts List.29 Specifications.36 RadioFans.CN 收音机爱 好者资料库 3 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

4、remove the Top Cabinet. 3. Remove two screws (B) located 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 side bracket. Remove t

5、wo screws (E) from on the left side of the side bracket. 6. Remove two screws (F) from under 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 the screw (H) from on the right sid

6、e of the side bracket then remove the IC Bracket. 8. Remove two screws (I) from on the left side of the heat sink then remove the Spring Sheet. 9. Remove three screws (J) from on the left side of the heat sink then remove the Heat Sink. 10. Remove the screw (K) from on the back of the side bracket a

7、nd remove two screws (L) from on the main board then remove the Heat Sink (7809/DB435). 10. Remove two screws (M) from on the back of the side bracket then remove Wire Clip. 11. Remove two screws (N) from each side of the base then remove the Base. 12. Remove three screws (O) from under the main boa

8、rd 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 LW FM MW LW MW FM Stereo 98.1 MHz (87.5, 108 MHz) 1000 kHz (522, 1620 kHz) 200 kHz (144, 288 kHz) 1mV

9、 5 mV 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/LW 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 th

10、is 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 (14.4V) 6 BLOCK DIA

11、GRAM 7 ALIGNMENT LOCATIONS FM TUNER 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 sw

12、itch 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 = 10 % 98.1 MHz

13、 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 VR3 Adjust AF t

14、o 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 REMOTE BOARD 16 REMOTE BOARD 17 E

15、XPLODED VIEW PANEL 18 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 27 28 29 30 31 32 33 34 35 36 37 38 39 Lens; (OPC0000/PMS422C) LCD W/RM X60.16 Panel F (OP2001/White) LCD X60.16 “USB” Panel Bottom

16、 (F) VOL Knob (E. Silver) Round Decoration (E-Silver) Open Key (L-Up) (OP0000) RE Knob Spring Power Knob (L-Up) (OPC0000) RE Slide Spring Decoration 01 (OPC0000) Decoration 02 (OPC0000) Decoration With USB (S. OPC0000) USB Cover (Grey) SET Knob (OPC0000) AF/TA/PTY Key (L-Up) (OPC0000) 1PAU/3RPT/5 Ke

17、y (L-Up) (OPC0000) 2SCN/4SHF/6 Key (L-Up) (OPC0000) MD Key (Crystal/Purple PMS2572C) Adaptor 01 BND/EQ Key (L-Up) (OPC0000) 0 DSP Key (L-Up) (OPC0000) 8TUNE SKIP/9TUNE SKIP Key (L-Up) (OPC0000) AMS Key (Crystal/Purple PMS2572C) 2175 Adaptor 02 B-Light 01 B-Light 02 B-Light 03 Key Board CD115 ROTATE

18、ENCODER VOL LCD Cover CD-158USB LCD TN NGE Color Black Mack PIN LED B.L. QB02002-09 23.5X99 WHT Axis Post Right Side Block Contact Spring Left Side Block E-Ring 1.5X4X0.4 MM Screw 1.7X4 PH/ST Screw 2X8 BA/ST Black 53-J2122-35Y 51-J2121-31B 51-J2137-00 52-J2130-90E 52-J2131-90E 52-J2147-30 36-11852-0

19、0 52-J2135-01 36-11851-00 52-J2133-30 52-J2136-30 52-J2141-31W 52-J2063-01 52-J2134-30 52-J2124-01 52-J2125-01 52-J2126-01 52-C2536-51P 52-J2138-00 52-J2129-01 52-J2128-01 52-J2127-01 52-C2537-52P 52-J2140-00 52-J2142-00 52-J2143-00 52-J2145-00 11-21750-318 18-00115-00 39-E2104-01 27-01581-01Y 02-A1

20、560-09 34-24601-00 52-E2128-00 36-78008-00 52-E2129-00 35-00001-00 40-11704-00 40-12008-21 19 EXPLODED VIEW CABINET 20 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

21、 38 39 40 Panel Ring (S. OP2001) Base (PC) Side Bracket (CD200/Wire) CD MECH. CDM-1683EUK W/O Bracket (143A) Heat Sink (For Wire) Top Cabinet Bottom Cabinet (For Wire) Main Fiber Main Board Mounting Box (072) Shade CD Windows Sheet Hook Shaft Hook Spring Hook Push Out Spring Panel Pole Base Back Lig

22、ht Front Board 20PIN Socket EJ Knob (L-Up) (S. OPC0000) (L-Up) Eject Board Right Bracket Damper Gear Assy /19-24 T/Q Middle Gear (F) Left Bracket Deck Front Bracket Deck Rear Bracket MITSUMI TUNER FAE-347-A29 FM Cover IC Bracket (7805) Spring Sheet Heat Sink (7809/DB435) W/O Shaft Wire Clip 1.0MM Sc

23、rew 5X18 HH Spring Washer M5 Hexagon Nut M5 Screw 2X3 CH/MA Black Screw 2X4 BH/MS Black 51-G2121-30G 51-E2124-00P 61-E2005-04 94-01683-11 61-E2006-00 61-B0105-01 61-B0114-01 35-B0101-00 11-20050-089 61-07211-03 81-69005-02 43-E2001-00 34-D2101-00 36-E2101-00 52-E2127-00 36-E2102-00 52-E2126-00 52-H2

24、152-00W 11-21740-348 25-F0217-20 52-E2134-01 11-21740-348 39-E2101-01 93-12246-01 52-E2130-00 39-E2102-01 39-E2105-00 39-B0101-00 29-00347-02 39-D0507-00 39-B0115-00 39-B0102-00 39-B0113-01 39-B1415-00 40-05018-04 35-50001-00 35-40005-00 40-12003-09H 40-12004-21 21 Ref. No. Description RS Part No. M

25、frs Part No. 41 42 43 44 45 46 47 48 Screw 2X6 PA/ST Black Screw 2.6X4 BH/MS Screw 2.6X5 BH/TAPTITE Screw 2.6X6 BH/MS Screw 2.6X6 PH/MS Black Screw 2.6X8 BH/MS Screw 2.6X10 BH/MS Screw M2.6X20 PH/MS 40-12006-20 40-02604-01 40-02605-03 40-02606-01 40-02606-20 40-02608-01 40-02610-01 40-02620-00 22 EX

26、PLODED VIEW (DECK) 23 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 DISC SHAFT ROLLER PIN ROL

27、LER 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 (L) SUPPORT DAMPER S/P R

28、O 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) POM (F20-03) POM (F20-0

29、3) 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 24 EXPLODED VIEW PARTS LIST - CONTINUE

30、D (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 (A) SCREW MOTOR HOUSING G

31、EAR 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*2.5 SUM24L-NI(PLATE) BUTHY

32、L 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-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

33、 1 1 2 1 1 2 2 25 SCHEMATIC DIAGRAM (MAIN BOARD) 26 SCHEMATIC DIAGRAM (KEY BOARD) 27 SCHEMATIC DIAGRAM (CD SERVO BOARD) 28 SCHEMATIC DIAGRAM (REMOTE BOARD) 29 ELECTRICAL PARTS LIST Ref. No. Part No. Description Qty PC BOARD ASSY, MAIN BOARD Q801 Q817 Q104,802/9 Q812 Q1057,601,801/36/8,811/6 IC802 Q8

34、07 ZD601/2 D802 D601,617,624/6,641/5/7,803/5/6/9 D808,810/1 D801 ZD802 ZD803 IC601 IC701/2 IC602 IC603 IC801 IC804 IC803 IC101 XT601 C134,140,603/4,8058 C207 C108,110/1,607,811/8,833/9 C112/3 C119,124 C101/5/9,605,817 C6203 C601 C615/6 C602 C814 C107,123,606,617,816,834/8 C702,835 C102,125,608,629,8

35、13 C106,809,812 C836/7 01-00435-00S 01-00435-00S 01-00812-00 01-01240-00 01-03875-07 01-07805-00 01-08550-03 02-00062-07 02-04001-00 02-04148-00A 02-04148-02 02-05401-00 02-50036-00A 02-50100-00A 03-02313-00 03-04558-16 03-05802-001 03-07035-00 03-07384-00 03-07805-00 03-07818-00 03-09257-00 04-0007

36、2-01H 05-63102-01 05-63103-01 05-63104-01 05-63153-01 05-63220-00 05-63223-01 05-63224-01 05-63270-00 05-63272-01 05-63300-00 05-63474-02 06-10107-01 06-10227-01 06-10476-01 06-16106-01 06-16107-01 TR. BD435 TO-126 FAIRCHLD TR. BD436 PNP TO-126 SAMSUNG TR. 2SA812 TRANSISTOR B1240 TRANSISTOR 2SC3875G

37、 IC-REGULATOR 78L05 TR. 8550C TO-92-B E.S.D. DIODE NNCD6.2G (5PIN) DIODE IN4001 DIODE 1N-4148 AT. (TAPPING) DIO CHIP RLS4148 1206 ROHM DIODE IN5401 ZENER DIODE 3.6V 0.5W AT. 2% ZENER DIODE 10V 0.5W AT. TAPE 2% I.C. PT2313L I.C. BA-4558F CPU RS5802-001 CD+USB+MMC+RDS IC KIA7035P I.C. TDA7384A (4X40W)

38、 “Y” REGULATOR L7805CV (GROUND TAP) REGULATOR LC-78L18 I.C. TC-9257F CRYSTAL 702MHZ HC-49U/S 22PF CHIP 1000PF 10% X7R 0603 SMT CHIP 0.01F 10% X7R 0603 SMT CHIP 0.1F 10% X7R 0603 SMT CHIP 0.015F 10% X7R 0603 SMT CHIP CAP 22PF 5% NPO 0603 SMT CHIP 0.022F 10% X7R 0603 SMT CHIP 0.22F 10% X7R 0603 SMT CHIP CAP 27PF 5% NPO 0603 SMT CHIP 2700PF 10% X7R 0603 SMT CHIP CAP 30PF 5% NPO 0603 SMT CHIP CAP 0.47F 20% X7R 0603 SMT E. CAP 100F 10V (5X7MM MINI) E. CAP 220F 10V (6MM MINI) E. CAP 47F 10V (4X7 MINI) E.