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NSX-R41 EZ(S)
SERVICE MANUAL
CD STEREO SYSTEM BASIC CD MECHANISM : BZG-2 ZD5GNC
BASIC TAPE MECHANISM : ZZM-3 YPR4NC
CD REMOTE
SYSTEM CASSEIVER SPEAKER CONTROLLER
NSX-R41 CX-NR41 SX-NR40 RC-CAS10
If requiring information about the CD mechanism, see Service Manual of
BZG-2, (S/M Code No. 09-023-353-2N8),
DATA
S/M Code No. 09-027-453-4N3
TABLE OF CONTENTS -1/1
SPECIFICATIONS ............................................................................................................................................................... 3
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ...................................................................... 4
NOTE ON BEFORE STARTING REPAIR ................................................................................................................... 5, 6
ACCESSORIES PARTS LIST .............................................................................................................................................. 7
ELECTRICAL PARTS LIST ....................................................................................................................................... 8 ~ 22
TRANSISTOR ILLUSTRATION ........................................................................................................................................ 23
SCHEMATIC DIAGRAM -1/5 (MAIN-1/2, AMP SECTION) ............................................................................................... 24
SCHEMATIC DIAGRAM -2/5 (MAIN-2/2, TUNER SECTION) .......................................................................................... 25
SCHEMATIC DIAGRAM -3/5 (HP SECTION) ................................................................................................................... 26
WIRING -1/4 (MAIN C.B, HP C.B) ..................................................................................................................................... 27
SCHEMATIC DIAGRAM -4/5 (FRONT/DECK SECTION) ............................................................................................... 28
WIRING -2/4 (FRONT C.B/MIC C.B) ................................................................................................................................. 29
WIRING -3/4 (DECK C.B) .................................................................................................................................................. 30
SCHEMATIC DIAGRAM -5/5 (PT SECTION) ................................................................................................................... 31
WIRING -4/4 (PT C.B) ........................................................................................................................................................ 32
ELECTRICAL ADJUSTMENT .................................................................................................................................... 33 ~ 39
CD TEST MODE ................................................................................................................................................................ 40
FL DISPLAY (BJ854GNK BNF-1) .............................................................................................................................. 41 ~ 42
IC BLOCK DIAGRAM ............................................................................................................................................... 43 ~ 44
IC DESCRIPTION ..................................................................................................................................................... 45 ~ 46
MECHANICAL EXPLODED VIEW .................................................................................................................................. 47
MECHANICAL PARTS LIST ............................................................................................................................................ 48
COLOR NAME TABLE ..................................................................................................................................................... 49
TAPE MECHANISM EXPLODED VIEW ......................................................................................... 50
TAPE MECHANISM PARTS LIST ........................................................................................... 51 ~ 52
GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) ........................................................... 53
SPEAKER PARTS LIST (SX-NR40) ................................................................................................................................ 54
OTHER PARTS LIST ............................................................................................................................................... 55 ~ 56
-2-
SPECIFICATIONS -1/1
MAIN UNIT CX-NR41 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 85 dB (1 kHz, 0 dB)
FM antenna terminal 75 ohms (unbalanced) Harmonic distortion 0.05 % (1 kHz, 0 dB)
MW tuning range 531 kHz to 1602 kHz (9 kHz step)
530 kHz to 1710 kHz (10 kHz step) GENERAL
MW usable sensitivity 350