Akai-ASR-95-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL Model: ASR95 AUTO REVERSE CAR STEREO RADIO CASSETTE PLAYER WITH PLL SYNTHESIZED TUNING FULL DETACHABLE PANEL www.akai.ru RadioFans.CN 收音机爱 好者资料库 CONTENTS Page Disassembly Instructions .3 Disassembly Diagram .4 Operation Check.5 Block Diagram.6 Alignment Locations.7 Alignment Procedure

2、s.8 Printed Circuit Boards.9 Wiring Diagram .12 Exploded View (Panel).13 Exploded View Parts List (Panel).14 Exploded View (Cabinet).15 Exploded View Parts List (Cabinet).16 Schematic Diagram.17 Electrical Parts List.18 Specifications.21 2 RadioFans.CN 收音机爱 好者资料库 DISASSEMBLY INSTRUCTIONS 1. Using th

3、e 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 the screw (A) located on the back of the top cabinet then remove the Top Cabinet. 3. Open the panel and remove the Trim Ring then remove two screws (B) from the Base. 4.

4、Remove two screws (C) each side of the base then remove the Base. 5. Remove the screw (D) and remove the Antenna Clip. 6. Remove two screws (E) and remove the Wire Clip. Remove two screws (F) from the Heat Sink then remove the Clip (A). 7. Remove two screws (G) from the deck front bracket and remove

5、 two screws (H) from the deck rear bracket cabinet. 8. Remove two screws (I) from under the bottom cabinet and remove the Deck Front Bracket. Remove two screws (J) from under the bottom cabinet then remove the Deck and the Deck Rear Bracket. 9. Remove two screws (K) from the heat sink then remove th

6、e Main Board. 10. Remove two screws (L) from the heat sink then remove the Heat Sink and the Bottom Cabinet. 3 RadioFans.CN 收音机爱 好者资料库 DISASSEMBLY DIAGRAM 4 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

7、 MHz) 1000 kHz (522, 1620 kHz) 200 kHz (144, 288kHz) 1mV 5 mV 5 mV 400 Hz 30% MOD. 1 kHz 75 kHz DEV. 90% for L only or R only pilot level 10% 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

8、 level Tone Center position The signal strength read in this section is voltage on the antenna. Test Diagram 5 BLOCK DIAGRAM 6 ALIGNMENT LOCATIONS FM/AM TUNER 7 ALIGNMENT PROCEDURES FM ADJUSTMENT Equipment Required l AM IF/RF signal generator l Solid-state voltmeter (SSVM) l Regulated DC power suppl

9、y l 2-CH voltmeter l 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 Generator Coupling Generator Display Setting Adjustment Remarks Stereo Separat

10、ion 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 than30 dB FM SNC Adjustment 98.1 MHz Dev. 75 kHz L+R=90 % Int. 1 kHz 60dB V output 98.1 MHz 40 dB 98.1 MHz VR2 Stereo Separation 25 dB (!

11、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. 8 PRINTED CIRCUIT BOARDS MAIN BOARD 9 KEY BOARD TOP VIEW 10 KEY BOARD BOTTOM VIEW 11 WIRING DIAGRAM 12

12、 13 EXPLODED VIEW PARTS LIST PANEL Ref. No. Description RS Part No. Mfr s 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 41 42 43 Lens (S. OPC0201) Top Panel (S. 0201) W/O CDC 143681D Key Board Bottom Panel /PC Open Knob (S.OPC

13、0201) PROG Spring EJ Knob (A/R) (S.OPC0201) EJ Knob Spring REW Knob FF Knob SEL Knob (L-Up) (S.OPC0201) BND/LOUD Knob (L-Up) (S.OPC0201) TUNE Knob (L-Up) (S.OPC0201) ENCOD VOL Knob For Encode (S.OPC0201) Volume Back Light For SW. Encode Left Adaptor (A) Left Adaptor (B) TUNE Knob Adaptor MODE Knob (

14、S.OPC0201) SCAN Knob (L-Up) (S.OPC0201) MONO Knob (L-Up) (S.OPC0201) LOC Knob (L-Up) (S.OPC0201) Hole Cover S. OPC0201 MUTE Knob (L-Up) (S.OPC0201) Power Knob (L-Up) (S.OPC0201) 1 Knob (L-Up) (S.OPC0201) 2 Knob (L-Up) (S.OPC0201) 3 Knob (L-Up) (S.OPC0201) 4 Knob (L-Up) (S.OPC0201) 5 Knob (L-Up) (S.O

15、PC0201) 6 Knob (L-Up) (S.OPC0201) DISP Knob (L-Up) (S. OPC0201) EQ Knob (L-Up) (S. OPC0201) AMS Knob (L-Up) (S. OPC0201) Middle Adaptor Spring White Right Adaptor LCD POS Dull TRAM. TI9012 White TRANSFLECTOR LCD Back Light Left Back Light Right Back Light CD115 Rotary Encoder VOL Screw 2X8 BA/ST Bla

16、ck 53-A4366-81 51-A4321-82 12-14310-305 51-A4324-00 52-A4332-80 36-34254-00 52-A4329-80 36-34501-00 52-A4327-80 52-A4328-80 52-A4340-81 52-A4341-81B 52-A4342-82 52-A4354-81B 52-A4363-00 43-A4303-00 43-A4304-00 43-A4305-00 52-A4361-81 52-A4337-81 52-A4338-81 52-A4339-81 52-A4365-80 52-A4343-81 52-A43

17、44-81 52-A4345-82 52-A4346-82 52-A4347-82 52-A4348-82 52-A4349-82 52-A4350-82 52-A4351-81 52-A4352-81 52-A5353-81 43-A4301-00 43-A4302-00 27-00178-03T 44-78101-00 52-A4358-01 52-A4360-00 52-A4359-01 18-00115-00 40-12008-21 14 EXPLODED VIEW CABINET 15 EXPLODED VIEW PARTS LIST CABINET Ref. No. Descrip

18、tion RS Part No. Mfr s 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 Panel Trim Ring +Spray Silver Base /ABS Cabinet Bottom SM909-DL (MCI5ULCKSNZ/AP-4226) Cabinet Top A/R Heat Sink W/O Socket; W/O CDC Main Fiber Main Board Mounti

19、ng Box Spring Knob RE Knob Spring Cass Door OP2320-56 Tape Door Spring Slide Block Hook Spring Hook Support Socket Board 16PIN Socket Eject Lever (A/R) REW/FF Knob Adaptor Deck Front Support Deck Rear Support LA1787 FM/AM Tuner (CET-7000AF) Touch Sheet IC Bracket (8568) BD435 Bracket Spring Washer M

20、5 Back Mounting Screw Antenna Clip Wire Clip Clip (A) Screw 2 X 4 PH/ST Screw 2 X 6 PA/ST Screw 2.6 X 4 BH/MS Screw 2.6 X 6 BH/MS Screw 2.6 X 12 BH/MS Black Screw 3 X6 PH/MS Screw 3 X 18 PH/MS 51-64824-81B 51-A4320-00 61-A4302-00 94-00909-01W 61-A4301-00 61-A4306-00 35-A4301-00 12-14301-085 61-02905

21、-00 52-A4323-00 36-11852-00 66-32056-00 36-33004-00 52-A4324-00 36-A4302-00 39-A4305-00 12-14310-305 25-M6368-02 52-A4321-00 52-A4320-00 39-A4301-00 39-A4302-00 29-17870-00 39-A1529-00 39-A4310-00 39-A4308-00 35-50001-00 34-68701-00 39-A4309-00 39-A4306-00 39-A1520-00 40-02004-05 40-02006-10 40-0260

22、4-01 40-02606-01 40-12612-11 40-03006-00 40-03018-00 16 SCHEMATIC DIAGRAM 17 ELECTRICAL PARTS LIST Ref. No. Parts No. Description Q ty PC BOARD ASSY, MAIN BOARD Q503/6 Q307/8,505 Q502,402 Q3036,401,501,1016 IC502 D801 D802/3/5,502/1/3,507/8/12/16,806,509 D804 ZD502,301 ZD5047 ZD503 ZD501 IC301 IC401

23、 IC503 IC802 IC801 IC501 IC101 XT501 C507 C506 C508 C105 C329/30,515/7/8,101/20,122,812 C516 C405/6,109/10 C119 C108 C504/5,315,803,103/16 C311/2 C111/2 C102 C8047 C3036 C104 C407/8,115 C314,510,107,123,328 C3247,403/4,113/4/8 C411/4 C302,310,503,121 C313 C801 01-00435-00S 01-01175-00 01-01240-00 01

24、-02785-00 01-02785-00 02-04001-00A 02-04148-00A 02-05401-00A 02-50051-00A 02-50068-00A 02-50091-00A 02-50100-00A 03-02313-00 03-03161-00 03-07035-00 03-07818-00 03-05868-00 03-08702-004 03-09257-00 04-00045-00 05-00220-06 05-00470-06 05-05102-00A 05-05103-00A 05-05104-00A 05-05104-82 05-05153-00A 05

25、-05220-00A 05-05221-00A 05-05223-00A 05-05272-00A 05-05392-00A 05-05473-00A 05-05682-00A 05-06104-82 05-16225-00 06-10107-01A 06-10476-01 06-16105-01 06-16107-01 06-16225-01 06-16226-01 06-16228-00S TRANSISTOR BD435 TRANSISTOR 2SA1175-FF TRANSISTOR B1240 TRANSISTOR 2SC2785-FF IC-REGULATOR 78L05 DIOD

26、E IN4001 AT. (TAPPING) DIODE 1N-4148 AT. (TAPPING) DIODE IN5401 ZENER DIODE 5.1V 0.5W AT. ZENER DIODE 6.8V 0.5W AT. ZENER DIODE 9.1V 0.5W AT. ZENER DIODE 10V 0.5W I.C. PT2313L I.C. LA-3161 IC KIA7035P REGULATOR LC-78L18 IC TDA 8568Q/N3 (PWR) RS8702-004 CPU (CD/MP3 NON RDS) IC TC9257F CRYSTAL 4.5MHz

27、HC-18U CER CAP 22P NPO 5% CER CAP 47P NPO 5% AXIAL CER CAP 1000PF 20% TP. AXIAL CER CAP 0.01F+80/-20% TP. AXIAL CER CAP 0.1F+80/-20% TP. AXIAL TYPE UP050F104Z-NALXXX AXIAL CER CAP 0.015! F +80/-20% TP. AXIAL CER CAP 22PF 5% TP. AXIAL CER CAP 220PF 10% TP. AXIAL CER CAP 0.022! F +80/-20% TP. AXIAL CE

28、R CAP 2700PF 20% TP. AXIAL CER CAP 3900PF 20% TP. AXIAL CER CAP 0.047! F +80/-20% TP. AXIAL CER CAP 6800PF 20% TP. AXIAL CER CAP 0.1F X7R 10% TAPE TAN CAP 2.2! F 16V E. CAP 100F 10V (6.3X7 MINI) E. CAP 47F 10V (4X7 MINI) E. CAP 1F 16V (4X7 MM) E. CAP 100F 16V (6.3X7 MM) E. CAP 2.2F 16V (4X7) E. CAP

29、22F 16V (4X7 MM) E. CAP 2200F 16V (12.5X17 MM) 2 3 2 12 1 1 12 1 2 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9 1 4 1 1 6 2 2 1 4 4 1 3 5 9 2 4 1 1 18 ELECTRICAL PARTS LIST CONTINUED Ref. No. Parts No. Description Q ty C514,502 C307/8 C409/10,501,3169,808 R505 R507,121 R541,125 R415,503,327/9,802/3,107/8 R508,41

30、6,556/7,501,101/2/12/15,520 ,116 R124,322/3,403/4 R517/22/23,324/5 R509 R3203 R328 R540 R555,106 R513/31/33/35/37,112/3,3169 R337 R510/2 R401/2,109 R104,326 R407/8,119/20 R519 R115 R521/2830,5436,504,103 R502,801,511/4/8,526/7,532/4/6,414 ,114,336 R330 R304/5 R311,409 R547,506 R405/6 L501/2,101 L801

31、 06-16476-01 06-50334-01 06-50475-01 07-05010-00 07-05100-16A 07-05101-16A 07-05102-16A 07-05103-16A 07-05104-16A 07-05105-16A 07-05123-16A 07-05152-16A 07-05153-16A 07-05182-16A 07-05221-16A 07-05222-16A 07-05223-16A 07-05224-16A 07-05330-16A 07-05331-16A 07-05332-16A 07-05334-16A 07-05471-16A 07-0

32、5472-16A 07-05473-16A 07-05561-16A 07-05562-16A 07-05680-16A 07-05681-16A 07-05752-16A 09-70100-01 12-14301-085 15-27014-01 E. CAP 47F 16V (5X7MM) E. CAP 0.33F 50V (4X7MM) E. CAP 4.7F 50 (4X7 MINI) RES. 1 1/4W RES. 10 1/16W (TAPPING) RES. 100 1/16W (TAPPING) RES. 1K 1/16W (TAPPING) RES. 10K 1/16W (T

33、APPING) RES. 100K 1/16W (TAPPING) RES. 1M 1/16W (TAPPING) RES. 12K 1/16W (TAPPING) RES. 1.5K 1/16W (TAPPING) RES. 15K 1/16W (TAPPING) RES. 1.8K 1/16W (TAPPING) RES. 220 1/16W (TAPPING) RES. 2.2K 1/16W (TAPPING) RES. 22K 1/16W (TAPPING) RES. 220K 1/16W (TAPPING) RES. 33 1/16W (TAPPING) RES. 330 1/16W

34、 (TAPPING) RES. 3.3K 1/16W (TAPPING) RES. 330K 1/16W (TAPPING) RES. 470 1/16W (TAPPING) RES. 4.7K 1/16W (TAPPING) RES. 47K 1/16W (TAPPING) RES. 560 1/16W (TAPPING) RES. 5.6K 1/16W (TAPPING) RES. 68 1/16W (TAPPING) RES. 680 1/16W (TAPPING) RES. 7.5K 1/16W (TAPPING) MICRO INDUCTOR 10UH AXIAL TYPE PCB

35、C14368X3.6 YMB 1.6X168X147 RING COIL # 27X14MM V-TYPE 2 2 8 1 2 2 9 11 5 5 1 4 1 1 2 11 1 2 3 2 4 1 1 10 13 1 2 2 2 2 3 1 1 PC BOARD ASSY, FM TUNER BOARD FM TUNER 29-17870-00 LA17878 FM/AM TUNER (CET-7000AF) 1 PC BOARD ASSY, AM TUNER BOARD Q201/2 C201 C202 C203 C205 C204 01-01175-00 05-05102-00A 05-

36、05103-00A 05-05104-00A 05-05223-00A 06-10107-01 TRANSISTOR 2SA1175-FF AXIAL CER CAP 1000PF 20% TP AXIAL CER CAP 0.01! F +80/-20% TP. AXIAL CER CAP 0.1! F +80/-20% TP. AXIAL CER CAP 0.022! F +80/-20% TP. E. CAP 100! F 10V (# 5X7MM MINI) 2 1 1 1 1 1 19 ELECTRICAL PARTS LIST CONTINUED Ref. NO Part No.

37、Description Q ty R202 R204/5 R123 R206/7 R201 R208 07-05100-16A 07-05102-16A 07-05103-16A 07-05223-16A 07-05331-16A 07-05332-16A RES. 10 1/16W (TAPPING) RES. 1K 1/16W (TAPPING) RES. 10K 1/16W (TAPPING) RES. 22K 1/16W (TAPPING) RES. 330 1/16W (TAPPING) RES. 3.3K 1/16W (TAPPING) 1 2 1 2 1 1 PC BOARD A

38、SSY, KEY BOARD LED IC601 C601 C602 R608 R620 R610 R627/8 R603,612 R604/13 R621/18 R611 R605/14 R622 R617 R606/15 R601 R602 R607/16/19 R609 SW AMS RST 02-30000-02D 03-75823-00 05-03223-10 05-03681-00 07-05122-54 07-05152-54 07-05153-54 07-05181-00 07-05181-54 07-05221-54 07-05222-54 07-63331-00 07-05

39、331-54 07-05332-54 07-05393-54 07-05471-54 07-05472-54 07-05513-54 07-05681-54 07-05682-54 12-14310-305 16-01107-00K 16-01140-04 16-05001-00 LED # 3MM RED IC LC75823ED CHIP CAP CM21X7R223K25AT CHIP CER 680P 50V X7R TA CHIP RES 1.2K 1/10W CHIP RES 1.5K 1/10W CHIP RES 15K 1/10W RES 180 1/4W CHIP RES 1

40、80 1/10W CHIP RES 220 1/10W CHIP RES 2.2K 1/10W CHIP RES 2.7K 1/10W CHIP RES 330 1/10W CHIP RES 3.3K 1/10W CHIP RES 39K 1/10W CHIP RES 470 1/10W CHIP RES 4.7K 0805 1/10W 5% CHIP RES 51K 1/10W CHIP RES 680 1/10W CHIP RES 6.8K 1/10W RDS143681 KB D/S 1.2X167.6X42.3 TACT SW. DCT/1101 4.3MM 2 PIN TACT SW. KPS-1107SW H=2.5 KIE TACT SW. TS-065001-150 H=5MM 1 1 1 1 1 1 1