SERVICE MANUAL
DA
TA
CD STEREO SYSTEM
NSX-TR99
S/M Code No. 09-029-361-5N1
U(S)/LH(S)
BASIC TAPE MECHANISM : 2ZM-3MK2 YPR9NC
BASIC CD MECHANISM : BZG-5 ZD4GNC2
NSX-TR99
SPEAKER
SYSTEM
CD
CASSEIVER
CX-SNTR99
REMOTE
CONTROLLER
RC-CAS02
SX-SNTR99
-2-
SPECIFICATIONS ........................................................................................................................................................... 4, 5
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ......................................................................6
NOTE ON BEFORE STARTING REPAIR ................................................................................................................... 7, 8
ACCESSORIES PARTS LIST .............................................................................................................................................. 9
ELECTRICAL PARTS LIST ..................................................................................................................................... 10 ~ 30
TRANSISTOR ILLUSTRATION ........................................................................................................................................ 31
SCHEMATIC DIAGRAM -1/12 (MAIN C.B-1/2, AMP SECTION) /HP C.B <U> ................................................................32
SCHEMATIC DIAGRAM -2/12 (MAIN C.B-2/2, TUNER SECTION) <U> ......................................................................... 33
WIRING -1/10 (MAIN C.B/HP C.B) <U> ............................................................................................................................ 34
SCHEMATIC DIAGRAM -3/12 (MAIN C.B-1/3, AMP SECTION) /HP C.B <LH> .............................................................. 35
SCHEMATIC DIAGRAM -4/12 (MAIN C.B-2/3, TUNER SECTION) <LH> ....................................................................... 36
SCHEMATIC DIAGRAM -5/12 (MAIN C.B-3/3, VF SECTION) <LH> ............................................................................... 37
SCHEMATIC DIAGRAM -6/12 (MIC C.B) <LH> ............................................................................................................... 38
WIRING -1/10 (MAIN C.B/MIC C.B/HP C.B) <LH> ............................................................................................................ 39
SCHEMATIC DIAGRAM -7/12 (FRONT C.B/DECK C.B) <U> ........................................................................................ 40
WIRING -3/10 (FRONT C.B) <U> ...................................................................................................................................... 41
WIRING -4/10 (DECK C.B) <U> ........................................................................................................................................ 42
SCHEMATIC DIAGRAM -8/12 (FRONT C.B/DECK C.B) <LH> ....................................................................................... 43
WIRING -5/10 (FRONT C.B) <LH> .................................................................................................................................... 44
WIRING -6/10 (DECK C.B) <LH> ...................................................................................................................................... 45
SCHEMATIC DIAGRAM -9/12 (AMP C.B) <U> ................................................................................................................ 46
WIRING -7/10 (AMP C.B) <U> ........................................................................................................................................... 47
SCHEMATIC DIAGRAM -10/12 (AMP C.B) <LH> ............................................................................................................ 48
WIRING -8/10 (AMP C.B) <LH> ......................................................................................................................................... 49
SCHEMATIC DIAGRAM -11/12 (POWER C.B) <U> ........................................................................................................ 50
WIRING -9/10 (POWER C.B) <U> ..................................................................................................................................... 51
SCHEMATIC DIAGRAM -12/12 (POWER C.B) <LH> ...................................................................................................... 52
WIRING -10/10 (POWER C.B) <LH> ................................................................................................................................. 53
ELECTRICAL ADJUSTMENT .................................................................................................................................... 54 ~ 61
CD TEST MODE ................................................................................................................................................................ 62
FL DISPLAY ................................................................................................................................................................. 63, 64
IC BLOCK DIAGRAM ....................................................................................................................................................... 65
IC DESCRIPTION ....................................................................................................................................................... 66, 67
TABLE OF CONTENTS -1/2
-3-
MECHANICAL EXPLODED VIEW .................................................................................................................................. 68
MECHANICAL MAIN PARTS LIST ............................................................................................................................. 69, 70
COLOR NAME TABLE ..................................................................................................................................................... 71
TAPE MECHANISM EXPLODED VIEW <2ZM-3MK2> ................................................................................................. 72
TAPE MECHANISM PARTS LIST <2ZM-3MK2> ........................................................................................................... 73
GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) ........................................................... 74
SPEAKER PARTS LIST (SX-SNTR99) ........................................................................................................................... 75
OTHER PARTS LIST ................................................................................................................................................. 76, 77
CD MECHANISM SECTION
CD MECHANISM SECTION .............................................................................................................................................. 78
How to Adjust the Rotating Phase of the Gear, Main Cam ................................................................................................ 78
ELECTRICAL PARTS LIST ....................................................................................................................................... 79 ~ 81
TRANSISTOR ILLUSTRATION ......................................................................................................................................... 81
BLOCK DIAGRAM-1/1 ....................................................................................................................................................... 82
WIRING-1/2 (3CD) ............................................................................................................................................................. 83
SCHEMATIC DIAGRAM -1/1 ............................................................................................................................................ 84
WIRING -2/2 (T-T/MOTOR) ............................................................................................................................................... 85
WAVE FORM ..................................................................................................................................................................... 86
IC BLOCK DIAGRAM ......................................................................................................................................................... 87
IC DESCRIPTION ........................................................................................................................................................ 88, 89
CD MECHANISM EXPLODED VIEW <BZG-5> ................................................................................................................ 90
CD MECHANISM PARTS LIST <BZG-5> .......................................................................................................................... 91
COLOR NAME TABLE ....................................................................................................................................................... 92
CD MECHANISM EXPLODED VIEW <KSM-2131FAM> .................................................................................................. 93
CD MECHANISM PARTS LIST <KSM-2131FAM> ............................................................................................................ 94
TABLE OF CONTENTS -2/2
-4-
SPECIFICATIONS -1/2
MAIN UNIT CX-NTR99 (U)
TUNER
FM tuning range
87.5 MHz to 108 MHz
FM usable sensitivity (IHF)
13.2 dBf
FM antenna terminal
75 ohms (unbalanced)
AM tuning range
530 kHz to 1710 kHz (10 kHz step)
531 kHz to 1602 kHz (9 kHz step)
AM usable sensitivity
350
µV/m
AM antenna
Loop antenna
AMPLIFIER
Main frequency amplifier
Power output
56 W + 56 W (110 Hz - 20 kHz, THD
less than 1 %, 8 ohms)
70 W + 70 W (1 kHz, THD less than
10 %, 8 ohms)
Total harmonic distortion
0.08 % (40 W, 1 kHz, 8 ohms, DIN
AUDIO)
Low frequency amplifier
Power output
88 W + 88 W (30 Hz - 110 Hz, THD
less than 1 %, 4 ohms)
110 W + 110 W (100 Hz, THD less
than 10 %, 4 ohms)
Total harmonic distortion
0.08 % (60 W, 100 Hz, 4 ohms, DIN
AUDIO)
Input
VIDEO/AUX: 400 mV
Outputs
SPEAKERS MAIN: 8 ohms or more
SPEAKERS LOW FREQ: 4 ohms or
more
PHONES: 32 ohms or more
CASSETTE DECK
Track format
4 tracks, 2 channels stereo
Frequency response
50 Hz 15 kHz
Recording system
AC bias
Heads
DECK 1: playback x 1
DECK 2: recording/playback x 1,
erase x 1
CD PLAYER
Laser
Semiconductor laser (
= 780 nm)
D/A converter
1 bit dual
Signal-to-noise ratio
85 dB (1 kHz, 0 dB)
Harmonic distortion
0.05 % (1 kHz, 0 dB)
GENERAL
Power requirements
120 V AC, 60 Hz
Power consumption
140 W
Power consumption
With ECO mode on: 0.6 W
in standby mode
With ECO mode off: 25 W
Dimensions (W x H x D)
260 x 324 x 391 mm
(10 1/4 x 12 7/8 x 15 1/2 in.)
Weight
10.1 kg (22 lbs 4 oz)
FRONT SPEAKERS SX-NTR99
Speaker system
3 way, bass reflex
Speaker units
Woofer: 140 mm (5 5/8 in.) cone x 3
Tweeter: 80 mm (13 1/4 in.) cone
Super tweeter: 20 mm (13/16 in.)
ceramic
Impedance
Main: 8 ohms
Low freq.: 4 ohms
Dimensions (W x H x D)
310 x 404 x 340 mm
(12 1/4 x 16 x 13 1/2 in.)
Weight
8.3 kg (18 lbs 5 oz)
Specifications and external appearance are subject to change
without notice.
-5-
SPECIFICATIONS -2/2
MAIN UNIT CX-NTR99 (LH)
TUNER
FM tuning range
87.5 MHz to 108 MHz
FM usable sensitivity (IHF)
13.2 dBf
FM antenna terminal
75 ohms (unbalanced)
AM tuning range
530 kHz to 1710 kHz (10 kHz step)
531 kHz to 1602 kHz (9 kHz step)
AM usable sensitivity
350
µV/m
AM antenna
Loop antenna
AMPLIFIER
Main frequency amplifier
Power output
Rated: 80 W + 80 W (8 ohms, T.H.D.
1 %, 1 kHz)
Reference: 100 W + 100 W (8 ohms,
T.H.D. 10 %, 1 kHz)
Total harmonic distortion
0.08 % (50 W, 1 kHz, 8 ohms, DIN
AUDIO)
Low frequency amplifier
Power output
Rated: 112 W + 112 W (4 ohms,
T.H.D. 1 %, 100 Hz)
Reference: 140 W + 140 W (4 ohms,
T.H.D. 10 %, 100 Hz)
Total harmonic distortion
0.08 % (70 W, 100 Hz, 4 ohms, DIN
AUDIO)
Inputs
VIDEO/AUX: 450 mV
MIC: 1.7 mV (10 kohms)
Outputs
SPEAKERS MAIN: 8 ohms or more
SPEAKERS LOW FREQ: 4 ohms or
more
PHONES: 32 ohms or more
CASSETTE DECK
Track format
4 tracks, 2 channels stereo
Frequency response
50 Hz 15 kHz
Recording system
AC bias
Heads
DECK 1: playback x 1
DECK 2: recording/playback x 1,
erase x 1
CD PLAYER
Laser
Semiconductor laser (
= 780 nm)
D/A converter
1 bit dual
Signal-to-noise ratio
85 dB (1 kHz, 0 dB)
Harmonic distortion
0.05 % (1 kHz, 0 dB)
GENERAL
Power requirements
120 V/220 V - 230 V/240 V AC
(Switchable), 50 Hz/60 Hz
Power consumption
185 W
Power consumption
With ECO mode on: 0.6 W
in standby mode
With ECO mode off: 28 W
Dimensions (W x H x D)
260 x 324 x 391 mm
Weight
10.9 kg
FRONT SPEAKERS SX-NTR99
Speaker system
3 way, bass reflex
Speaker units
Woofer: 140 mm cone x 3
Tweeter: 80 mm cone
Super tweeter: 20 mm ceramic
Impedance
Main: 8 ohms
Low freq.: 4 ohms
Dimensions (W x H x D)
310 x 404 x 340 mm
Weight
8.5 kg
Specifications and external appearance are subject to change
without notice.