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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