Aiwa XR-EM70 Manuel de service

SERVICE MANUALDATACOMPACT DISCSTEREO SYSTEMBASIC TAPE MECHANISM : AZM-1 A4NMBASIC CD MECHANISM : 3ZG-3 E13NMXR-EM70XR-EM71KEZS/M Code No. 09-019-449-

 10 TRANSISTOR ILLUSTRATIONE C B2SA1296GRCSC4115BCKTC3198GRE C B2SA1980G2SA1981Y2SC2240(GR/BL)2SD655E2SA1235F2SA1514K(S)2SC2620B2SC3052F2SC3906

– 11 –WIRING – 1 (MAIN / PHONE / OPTICAL)32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1ABCDEFGHIJKLMNOPQRSTU

– 12 –SCHEMATIC DIAGRAM – 1 (MAIN 1 / 2 / PHONE / OPTICAL / HEAD)

– 13 –SCHEMATIC DIAGRAM – 2 (MAIN 2 / 2 : AMP SECTION)

– 14 –WIRING – 2 (FRONT)32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1ABCDEFGHIJKLMNOPQRSTU

– 15 –WIRING – 3 (FL)32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1ABCDEFGHIJKLMNOPQRSTU

– 16 –SCHEMATIC DIAGRAM – 3 (FRONT / FL / DECK / FRAME / DRIVE)

– 17 –WIRING – 4 (CD / CD – DRIVE / CD – LOAD)32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1ABCDEFGHIJKLMNOPQ

– 18 –SCHEMATIC DIAGRAM – 4 (CD / CD – DRIVE / CD – LOAD)

– 19 –WIRING – 5 (TUNER)32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1ABCDEFGHIJKLMNOPQRSTU

 2 SPECIFICATIONS ...

– 20 –SCHEMATIC DIAGRAM – 5 (TUNER)

– 21 –WIRING – 6 (PT)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1ABCDEFGHIJKLMNOPQRSTU

– 22 –SCHEMATIC DIAGRAM – 6 (PT)

– 23 –WIRING – 7 (DECK / FRAME / DRIVE / HEAD)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1ABCDEFGHIJKLMNOPQRSTU

– 24 –IC BLOCK DIAGRAM

– 25 –

 26 FL (HNA  11MS25) GRID ASSIGNMENT / ANODE CONNECTIONGRID ASSIGNMENTANODE CONNECTION

 27 1 DEFI I Defect detection signal (DEF) input. ("L" is applied when not used.)2 TAI I For PLL/Test input. (Connected to 0V)3 PDO O Pha

 28 40 O-RCH O Rch output.41 RVDD  Rch power supply.42 MUTE-R O Rch muting output. (Not used)43 XVDD  Power supply of crystal oscillator.44 XOUT O

 29 1 FIN2 IFor the connection of the pickup photodiode. Addition to the FIN1 pin creates an RFsignal and subtraction from it create an EF signal.2

 3 SPECIFICATIONS Design and specifications are subject to change without notice.MAIN UNIT CX-LEM70 (K) / CX-LEM71 (EZ)TUNERFM tuning range 87.5 M

 30 Pin No.38 SLOF I Sled servo off control input.39 CVI CLV error signal input from the DSP.40 CV+41 RFSM O RF output.42 RFS O Sets the RF gain a

 31 1 O-COIN O CD IC control data output.2 O-CDCONT O CD block power ON / OFF control output.3 O-OPEN (CD) O CD tray open data output.4 O-CLOSE (CD)

 32 Pin No. Pin Name I/O Description73 O-LED (CD) O CD function LED ON / OFF.74 O-LED (TU) O Tuner function LED ON / OFF.75 O-LED (AU) O AUX functio

 33 ADJUSTMENT (TUNER / DECK / CD / FL)<TUNER SECTION>1. VT Adjustment (LW)RequirementMeasuring Device: Digital MultimeterTest Point: VT, GNDA

 34 <MW/LW Adjustment>For MW/LW adjustment, do wiring and connection as in the following.RchLch60cmStandard Signal GeneratorSETTPGND Connect t

 35 <FM Adjustment>For adjusting FM, do wiring and connection as in the following.Standard Signal GeneratoriRchLchSETTPGND Connect to the res

 36 <DECK SECTION>DUMMYINPUTOUTPUTAUX(L)AUX(R)OUTPUTAUDIO SIGNALGENERATORSPOUT(L)SPOUT(R)AC MILLIVOLTMETERCH2CH1(1KHz,1V)(0.5V)ATTENUATOR6ΩOUT

 37 1. Checking Tape SpeedRequirementsTest Tape: TTA-100 (3 kHz)Test Point: Lch, Rch, GNDAdjustment Point: SFR11) Insert the test tape (TTA-100), FW

 38 <CD SECTION>CD Adjustment MethodPerform the adjustments after the machine enters the test mode.Place the CD mechanism on level ground.E

 39 1. Clock Adjustment1) Connect an oscilloscope to test point OSC (IC101 77 pin) and GND (IC101 89 pin).2) Insert the AC plug while pressing POWER

 4 This set employs laser. Therefore, be sure to follow carefully theinstructions below when servicing.WARNING!!WHEN SERVICING, DO NOT APP

 40 CD TEST MODE1. How to Start the CD Test ModeWhile pressing the CD FUNCTION button, insert the AC plug to the power outlet.When the test mode s

 41 MECHANICAL EXPLODED VIEW 1 / 1AZM-1FLPWB3ZG-3AABAAAAGGAAAAAAFACBAABEEAFAEHDDADDACHAS,MAINPWBPWBPWBHT-SINK,SUB BHT-SINK,ASSY MAIN 2HT-SINK,SUB

 42 DESCRIPTIONREF. NO. KANRINO.PART NO.MECHANICAL PARTS LIST 1 / 1DESCRIPTIONREF. NO. KANRINO.PART NO.!Basic color symbol Color Basic color symb

 43 TAPE MECHANISM EXPLODED VIEW 1 / 2345C1C27810111216131415DPWBBE19176ZM-4AA189E6

 44 TAPE MECHANISM PARTLIST 1 / 2DESCRIPTIONREF. NO. KANRINO.PART NO. 1 8A-ZM1-214-010 PLATE,F STOPPER 2 8A-ZM1-223-010 SPR-T

 45 TAPE MECHANISM EXPLODED VIEW 2 / 2DHGEFDC49505120HLDR,MOT LCUSH-GBB21AJ222324251617191826aa4748PLATE,SHLD DECK444345424140393837353433323631

 46 TAPE MECHANISM PARTLIST 2 / 2DESCRIPTIONREF. NO. KANRINO.PART NO. 1 82-ZM1-358-010 CHAS ASSY,FPC 2 82-ZM1-258-210 SPR-T,P

 47 CD MECHANISM EXPLODED VIEW 1 / 2baab12D317PWBA12B871110465913141615CFEF183ZG-2 E3NM18

 48 CD MECHANISM PARTS LIST 1 / 2DESCRIPTIONREF. NO. KANRINO.PART NO. 1 83-ZG3-224-510 HLDR M2 2 83-ZG3-228-610 CHAS,L6

 49 CD MECHANISM EXPLODED VIEW 2 / 2CD MECHANISM PARTS LIST 2 / 2DESCRIPTIONREF. NO. KANRINO.PART NO.A36251PWBM21SW1478 1 83-ZG2-262-

 5 ELECTRICAL MAIN PARTS LISTDESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO.IC 87-020-454-010 IC,DN6851

– 50 –GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE)Insert a flat-bladed screwdriver into the position indicated by thearrows and remov

 51 DESCRIPTIONREF. NO. KANRINO.PART NO.SPEAKER PARTS LIST <SX  LEM70 (YJMN)> 1 8B-CPX-002-010 RING,W 2 8B-CPX-003-010

211, IKENOHATA 1CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111Printed in Singapore9301978 921338

 6 DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. C391 87-010-787-080 C-CAP,U 0.022-25 KB C403 87-010-759-080

 7 DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. S53 87-A91-024-180 SW-TACT KSHG611BT S54 87-A91-024-180

 8 DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. C110 87-010-831-080 C-CAP,U,0.1-16F C111 87-A12-063-040 C

 9  C251 87-A12-074-080 CAP,E 470-25 SMG CN201 87-A61-110-010 CONN,9P V TID-A PT250 8B-CLX-615-010 PT,EZ BCL-30 PT251 8B-MA6-6