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NSX-R80 V(S)
SERVICE MANUAL
CD STEREO SYSTEM
BASIC TAPE MECHANISM : 6ZM-3 PR4NM
BASIC CD MECHANISM : BZG-5 ZD5GNDM
CD REMOTE
SYSTEM CASSEIVER SPEAKER CONTROLLER
NSX-R80 CX-NR80 SX-NR80 RC-CAS01
If requiring information about the CD mechanism, see Service Manual of
BZG-5 ZD5GNDM, (S/M Code No. 09-023-353-3NC).
DATA
S/M Code No. 09-025-455-1N3
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/CD-LED SECTION) ................................................................................. 28
WIRING -2/4 (FRONT C.B/CD-LED C.B) .......................................................................................................................... 29
WIRING -3/4 (DECK C.B/HEAD-1 C.B) ............................................................................................................................. 30
SCHEMATIC DIAGRAM -5/5 (POWER SECTION) .......................................................................................................... 31
WIRING -4/4 (POWER C.B) ............................................................................................................................................... 32
ELECTRICAL ADJUSTMENT .................................................................................................................................... 33 ~ 39
CD TEST MODE ................................................................................................................................................................ 40
LCD DISPLAY ............................................................................................................................................................ 41 ~ 42
IC BLOCK DIAGRAM ....................................................................................................................................................... 43
IC DESCRIPTION ..................................................................................................................................................... 44 ~ 45
MECHANICAL EXPLODED VIEW .................................................................................................................................. 46
MECHANICAL PARTS LIST ............................................................................................................................................ 47
COLOR NAME TABLE ..................................................................................................................................................... 48
TAPE MECHANISM EXPLODED VIEW <6ZM-3 PR4NM> ........................................................................................... 49
TAPE MECHANISM PARTS LIST <6ZM-3 PR4NM> ............................................................................................. 50 ~ 51
GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) ........................................................... 52
SPEAKER PARTS LIST (SX-NR80) ................................................................................................................................ 53
OTHER PARTS LIST ............................................................................................................................................... 54 ~ 55
-2-
SPECIFICATIONS -1/1
MAIN UNIT CX-NR80 GENERAL
TUNER Power requirements 230 V AC, 50 Hz
FM tuning range FM1 (OIRT): 65 MHz to 74 MHz Power consumption 110 W
(10 kHz step) Power consumption With ECO mode on: 0.6 W
FM2 (CCIR): 87.5 MHz to 108 MHz in standby mode With ECO mode off: 20 W
(50 kHz step) Dimensions (W x H x D) 260 x 324 x 360 mm
FM usable sensitivity (IHF) FM1: 15.3 dBf Weight 7.8 kg
FM2: 12.8 dBf
FM antenna terminal 75 ohms (unbalanced) FRONT SPEAKERS SX-NR80
AM tuning range 531 kHz to 1602 kHz (9 kHz step) Speaker system 4 way, Built-in subwoofer (magnetic
530 kHz to 1710 kHz (10 kHz step) shielded)
AM usable sensitivity 350