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NSX-TR77 U(S)




SERVICE MANUAL
CD STEREO SYSTEM
BASIC TAPE MECHANISM : ZZM-3 YPR3NC
BASIC CD MECHANISM : BZG-2 ZD5GNC2




CD REMOTE
SYSTEM CASSEIVER SPEAKER CONTROLLER

NSX-TR77 CX-SNTR77 SX-SNTR77 RC-CAS02




DATA
S/M Code No. 09-029-361-6N1
TABLE OF CONTENTS -1/2

SPECIFICATIONS ............................................................................................................................................................... 4

PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ...................................................................... 5

NOTE ON BEFORE STARTING REPAIR ................................................................................................................... 6, 7

ACCESSORIES PARTS LIST .............................................................................................................................................. 8

ELECTRICAL PARTS LIST ....................................................................................................................................... 9 ~ 24

TRANSISTOR ILLUSTRATION ........................................................................................................................................ 25

SCHEMATIC DIAGRAM -1/5 (MAIN C.B-1/2, AMP SECTION) ........................................................................................ 26

SCHEMATIC DIAGRAM -2/5 (MAIN C.B-2/2, TUNER SECTION) ................................................................................... 27

SCHEMATIC DIAGRAM -3/5 (HP C.B) ............................................................................................................................. 28

WIRING -1/4 (MAIN C.B/HP C.B) ...................................................................................................................................... 29

SCHEMATIC DIAGRAM -4/5 (FRONT C.B/DECK C.B) .................................................................................................. 30

WIRING -2/4 (FRONT C.B) ................................................................................................................................................ 31

WIRING -3/4 (DECK C.B) .................................................................................................................................................. 32

SCHEMATIC DIAGRAM -5/5 (POWER C.B) .................................................................................................................... 33

WIRING -4/4 (POWER C.B) ............................................................................................................................................... 34

ELECTRICAL ADJUSTMENT .................................................................................................................................... 35 ~ 41

CD TEST MODE ................................................................................................................................................................ 42

FL DISPLAY ................................................................................................................................................................. 43, 44

IC BLOCK DIAGRAM ....................................................................................................................................................... 45

IC DESCRIPTION ....................................................................................................................................................... 46, 47

MECHANICAL EXPLODED VIEW .................................................................................................................................. 48

MECHANICAL MAIN PARTS LIST ............................................................................................................................. 49, 50

COLOR NAME TABLE ..................................................................................................................................................... 51

TAPE MECHANISM EXPLODED VIEW ........................................................................................................ 52

TAPE MECHANISM PARTS LIST ............................................................................................................ 53, 54

GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) ........................................................... 55

SPEAKER PARTS LIST (SX-SNTR77) ........................................................................................................................... 56

OTHER PARTS LIST ................................................................................................................................................. 57, 58




-2-
TABLE OF CONTENTS -2/2

CD MECHANISM SECTION
CD MECHANISM SECTION .............................................................................................................................................. 59

How to Adjust the Rotating Phase of the Gear, Main Cam ................................................................................................ 59

ELECTRICAL PARTS LIST ....................................................................................................................................... 60 ~ 63

TRANSISTOR ILLUSTRATION ......................................................................................................................................... 63

BLOCK DIAGRAM-1/1 ....................................................................................................................................................... 64

WIRING-1/2 (3CD) ............................................................................................................................................................. 65

SCHEMATIC DIAGRAM -1/1 ............................................................................................................................................ 66

WIRING -2/2 (T-T) .............................................................................................................................................................. 67

WAVE FORM ..................................................................................................................................................................... 68

IC BLOCK DIAGRAM ......................................................................................................................................................... 69

IC DESCRIPTION ...................................................................................................................................................... 70 ~ 72

CD MECHANISM EXPLODED VIEW ................................................................................................................. 73

CD MECHANISM PARTS LIST ........................................................................................................................... 74

COLOR NAME TABLE ....................................................................................................................................................... 75




-3-
SPECIFICATIONS -1/1

MAIN UNIT CX-NTR77 (U) GENERAL
TUNER Power requirements 120 V AC, 60 Hz
FM tuning range 87.5 MHz to 108 MHz Power consumption 130 W
FM usable sensitivity (IHF) 13.2 dBf Power consumption With ECO mode on: 0.6 W
FM antenna terminal 75 ohms (unbalanced) in standby mode With ECO mode off: 25 W
AM tuning range 530 kHz to 1710 kHz (10 kHz step) Dimensions (W x H x D) 260 x 324 x 391 mm
531 kHz to 1602 kHz (9 kHz step) (10 1/4 x 12 7/8 x 15 1/2 in.)
AM usable sensitivity 350