Service Manuals, User Guides, Schematic Diagrams or docs for : AIWA Audio XR-EM70 XR-EM71 aiwa_xr-em70_xr-em71

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aiwa_xr-em70_xr-em71


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                                 XR-EM70                        K

                                 XR-EM71                        EZ




SERVICE MANUAL
  COMPACT DISC                   BASIC TAPE MECHANISM : AZM-1 A4NM
 STEREO SYSTEM                   BASIC CD MECHANISM : 3ZG-3 E13NM




                    COMPACT                        REMOTE
     SYSTEM                         SPEAKER
                      DISC                       CONTROLLER
     XR-EM70        CX-LEM70
                                    SX-LEM70       RC-BAT15
     XR-EM71        CX-LEM71




  This Service Manual is the Revision Publishing and replaces
  Simple Manual of XR-EM70 / 71 , (S/M Code No. 09-018-449-6T1).




                                                                     ON
                                                                  ISI
                                                               REV ATA
                S/M Code No. 09-019-449-6R1                               D
                                                            TABLE OF CONTENTS

SPECIFICATIONS ..............................................................................................................................................................3
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ...................................................................... 4
ELECTRICAL MAIN PARTS LIST .............................................................................................................................. 5 ~ 9
TRANSISTOR ILLUSTRATION ........................................................................................................................................ 10
WIRING  1 (MAIN / PHONE / OPTICAL) ......................................................................................................................... 11
SCHEMATIC DIAGRAM  1 (MAIN 1 / 2 / PHONE / OPTICAL / HEAD) .......................................................................... 12
SCHEMATIC DIAGRAM  2 (MAIN 2 / 2 : AMP SECTION) ............................................................................................ 13
WIRING  2 (FRONT) ....................................................................................................................................................... 14
WIRING  3 (FL) ............................................................................................................................................................... 15
SCHEMATIC DIAGRAM  3 (FRONT / FL / DECK / FRAME / DRIVE) ............................................................................ 16
WIRING  4 (CD / CD  DRIVE / CD  LOAD) .................................................................................................................. 17
SCHEMATIC DIAGRAM  4 (CD / CD  DRIVE / CD  LOAD) ........................................................................................ 18
WIRING  5 (TUNER) ....................................................................................................................................................... 19
SCHEMATIC DIAGRAM  5 (TUNER) ............................................................................................................................. 20
WIRING  6 (PT) ............................................................................................................................................................... 21
SCHEMATIC DIAGRAM  6 (PT) ..................................................................................................................................... 22
WIRING  7 (DECK / FRAME / DRIVE / HEAD) ................................................................................................................ 23
IC BLOCK DIAGRAM ................................................................................................................................................ 24, 25
FL (HNA  11MS25) GRID ASSIGNMENT AND ANODE CONNECTION .................................................................... 26
IC DESCRIPTION .................................................................................................................................................... 27 ~ 32
ADJUSTMENT (TUNER / DECK / CD / FL) .............................................................................................................. 33 ~ 39
CD TEST MODE ............................................................................................................................................................. 40
MECHANICAL EXPLODED VIEW 1 / 1 ......................................................................................................................... 41
MECHANICAL PARTS LIST 1 / 1 ................................................................................................................................... 42
TAPE MECHANISM EXPLODED VIEW 1 / 2 ............................................................................................................... 43
TAPE MECHANISM PARTS LIST 1 / 2 ......................................................................................................................... 44
TAPE MECHANISM EXPLODED VIEW 2 / 2 ............................................................................................................... 45
TAPE MECHANISM PARTS LIST 2 / 2 ......................................................................................................................... 46
CD MECHANISM EXPLODED VIEW 1 / 2 ................................................................................................................... 47
CD MECHANISM PARTS LIST 1 / 2 ............................................................................................................................. 48
CD MECHANISM EXPLODED VIEW 2 / 2 ................................................................................................................... 49
CD MECHANISM PARTS LIST 2 / 2 ............................................................................................................................. 49
GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) ........................................................... 50
SPEAKER PARTS LIST  .......................................................................................................... 51
ACCESSORIES / PACKAGE LIST ................................................................................................................................... 51




                                                                                    2
                                                          SPECIFICATIONS

MAIN UNIT CX-LEM70 (K) / CX-LEM71 (EZ)                                 CD PLAYER
TUNER                                                                  Laser                          Semiconductor laser ( = 780 nm)
FM tuning range               87.5 MHz to 108 MHz                      D/A converter                  1 bit dual
FM usable sensitivity (IHF)   16.8 dBf                                 Signal-to-noise ratio          88 dB (1 kHz, 0 dB)
FM antenna terminal           75 ohms (unbalanced)                     Harmonic distortion            Unmeasurable (1 kHz, 0 dB)
MW tuning range               531 kHz to 1602 kHz (9 kHz step)         Wow and flutter                Unmeasurable
                              530 kHz to 1710 kHz (10 kHz step)
MW usable sensitivity         350 



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