background image

SERVICE  MANUAL

DA

TA

COMPACT DISC STEREO

CASSETTE RECEIVER

NSX-SZ70
NSX-SZ73

LH

LH

S/M Code No. 09-004-425-3R1

REVISION

BASIC TAPE MECHANISM: 2ZM-3MK2 PR4NM
BASIC CD MECHANISM: AZG-1 ZD3RDM

CD–CASSEIVER

CX–NSZ70

CX-NSZ73

SPEAKER

SX–WNS70

SX-WNH81

  REMOTE CONTROLLER

RC–ZAS01

SYSTEM

NSX–SZ70

NSX-SZ73

This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
NSX-SZ70/SZ73 (S/M Code No. 09-001-425-3T1).

If requiring information about the CD mechanisim, see Service Manual of AZG-1
(S/M Code No. 09-001-335-3N8).

Summary of Contents for NSX-SZ70

Page 1: ...M BASIC CD MECHANISM AZG 1 ZD3RDM CD CASSEIVER CX NSZ70 CX NSZ73 SPEAKER SX WNS70 SX WNH81 REMOTE CONTROLLER RC ZAS01 SYSTEM NSX SZ70 NSX SZ73 This Service Manual is the Revision Publishing and replac...

Page 2: ...ead x 1 Compact disc player section 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 Wow and flutter Unmeasurable Sp...

Page 3: ...araten anv nds p annat s tt n vad som specificeras i denna bruksanvising kan anv ndaren uts ttas f r osynling laserstr lning som verskrider gr nsen f r laserklass 1 PROTECTION OF EYES FROM LASER BEAM...

Page 4: ...wer 2 2 2 2 2 Confirm that the main power is turned on and the HOLD terminal of the MICROCOMPUTER keeps the H level or not 3 3 3 3 3 When the HOLD terminal is L level the abnormality detection circuit...

Page 5: ...s of the electrolytic capacitor C113 that is connected to VDD of the MICROCOMPUTER with tweezers 3 3 3 3 3 Connect the AC power cord again If the MICROCOMPUTER returns to the normal operation the MICR...

Page 6: ...87 010 401 080 CAP ELECT 1 50V C81 87 010 263 080 CAP ELECT 100 10V C82 87 010 380 080 CAP ELECT 47 16V C104 87 010 196 080 CHIP CAPACITOR 0 1 25 C105 87 010 196 080 CHIP CAPACITOR 0 1 25 C111 87 010...

Page 7: ...V C798 87 010 197 080 CAP CHIP 0 01 DM C799 87 010 407 080 CAP ELECT 33 50V C800 87 012 369 080 C CAP S 0 047 50F C801 87 010 403 080 CAP ELECT 3 3 50V C802 87 012 369 080 C CAP S 0 047 50F C803 87 01...

Page 8: ...6 080 CHIP CAPACITOR 0 1 25 C386 87 010 196 080 CHIP CAPACITOR 0 1 25 C387 87 010 196 080 CHIP CAPACITOR 0 1 25 C392 87 010 320 080 CHIP CAP 68P C402 87 010 196 080 CHIP CAPACITOR 0 1 25 C403 87 010 3...

Page 9: ...ELECT 1 50V C209 87 010 187 080 CAP CHIP S5600P C210 87 010 187 080 CAP CHIP S5600P C211 87 010 402 080 CAP ELECT 2 2 50V C212 87 010 402 080 CAP ELECT 2 2 50V C215 87 012 140 080 C CAP S 470P 50 J CH...

Page 10: ...2 1 6 108 118 128 A A CHIP RESISTOR PART CODE 0 55 Resistor Code Dimensions mm Symbol 1 16W 1005 5 CJ 1 0 0 5 0 35 104 L t W 10 TRANSISTOR ILLUSTRATION B C E E C B KTA1266GR KTC3198GR KTC3199GR CSA952...

Page 11: ...WIRING 1 MAIN 11 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32...

Page 12: ...SCHEMATIC DIAGRAM 1 MAIN 1 3 AMP VM 12...

Page 13: ...13 SCHEMATIC DIAGRAM 2 MAIN 2 3 DECK HEAD 1 HEAD 2...

Page 14: ...SCHEMATIC DIAGRAM 3 MAIN 3 3 TUNER 14...

Page 15: ...WIRING 2 FRONT 15 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32...

Page 16: ...SCHEMATIC DIAGRAM 4 FRONT DECK 16...

Page 17: ...WIRING 3 AMP 17 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32...

Page 18: ...SCHEMATIC DIAGRAM 5 AMP 18...

Page 19: ...WIRING 4 PT 19 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32...

Page 20: ...SCHEMATIC DIAGRAM 6 PT 20...

Page 21: ...WIRING 5 DECK 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U...

Page 22: ...22 IC BLOCK DIAGRAM IC BU2099FV IC BU2092F IC BD3876KS2 IC LA1843...

Page 23: ...IC BU9990 03FS 23 IC M61506FP IC LC72131D...

Page 24: ...FL BJ754 GNK GRID ASSIGNMENT AND ANODE CONNECTION 24 GRID ASSIGNMENT...

Page 25: ...ANODE CONNECTION 25...

Page 26: ...to vocal fader 26 I MS I DECK MS detect input 27 I TM BASE I Timebase clock 8Hz input 28 I WRQ I CD WRQ input 29 I RMC I Remote control signal input Active L 30 42 G13 G1 O FL grid G13 G1 output 43 45...

Page 27: ...nput 70 P10 CST1 O I FL segment P10 output Deck 1 cassette detect sw input 71 P9 REA O I FL segment P9 output Deck side A record permission sw input 72 VDD4 Power supply 73 P8 AC DEMO O I FL segment P...

Page 28: ...9 RCH 11 GND SFR351 IC601 9 10 11 13 12 8 SFR1 9 8 TP10 LCH TP11 RCH L801 1 3 IC801 7 24 6 L802 TP3 TP4 TP2 CLK 4 L951 TP1 VT FFE831 7 3 3 R815 3 7 6 5 3 1 2 IC303 GND REV 9 FWD TP6 GND K SCAN A MAIN...

Page 29: ...h adjustment screw Method Play back the 10kHz signal of the test tape and adjust screw so that the output becomes maximum Next perform on each FWD PLAY and REV PLAY mode 10 PB Frequency Response Check...

Page 30: ...IRE BINDER WIRE F H E E C A A A A A A A A B G A A D K F HT SINK VM HT SINK PLATE EARTH MECHA 2ZM 3MK2 CHAS MAIN 1 2 3 4 5 6 7 7 8 9 10 10 11 12 13 14 15 16 17 18 19 20 22 21 23 24 25 AZG 1 45 46 47 48...

Page 31: ...8A NF7 026 010 KEY ASSY OPE 28 8A NF7 214 010 GUIDE OPE 29 8A NF7 213 010 GUIDE FUN 30 87 NF5 203 110 GUIDE FL 31 85 NF7 605 010 CONN ASSY 4P V 8MM 32 85 NF5 618 010 CABLE FFC 13P 1 25 33 88 915 171 1...

Page 32: ...5 22 21 24 23 25 26 29 29 27 28 3 2 HEAD 1 C B DECK 1 HEAD 2 C B DECK 2 18 DECK 2 PH DECK 1 RPH DECK 2 DECK 1 DECK 2 DECK 2 57 DECK 1 B B A B B 31 38 39 40 59 34 33 35 43 45 41 41 44 50 49 47 48 46 C...

Page 33: ...M1 255 310 SPR E LVR DIR 32 82 ZM3 305 01K GEAR CAM M2 33 82 ZM1 227 21K LVR TRIG 34 82 ZM3 306 11K LVR FR M2 35 82 ZM1 265 110 SPR E TRIG 36 82 ZM3 339 010 SHAFT COUPLER N3 DECK 1 37 86 ZM1 206 010 B...

Page 34: ...g to clockwise direction until click sound comes out Remove the grill frame and four pieces of rubber caps by pulling out with a flat bladed screwdriver Remove the screws from hole where installed rub...

Page 35: ...0 CORD SPKR B L 8 8A NS7 001 010 PANEL FR 9 8A NS7 004 010 PANEL DUCT 10 8A NS7 005 010 GRILLE FRAME ASSY 35 SPEAKER PARTS LIST SX WNH81 YLML NSX SZ73 KANRI NO REF NO DESCRIPTION PART NO 1 8A NSY 001...

Page 36: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 Printed in Singapore 9820572 0251431...

Reviews: