Aiwa NSX-SZ702 Service Manual Download Page 1

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SERVICE MANUAL

COMPACT DISC

STEREO SYSTEM

NSX-SZ702

NSX-SZ705

NSX-SZ708

HS,HT

S/M Code No. 09-01A-441-7S3

SUPPLEMENT

This Service Manual contains information about the difference between

NSX-SZ702 <EZ> / NSX-SZ705 <HS,HT> / NSX-SZ708 <HA> and NSX-SZ705

<LH>. If requiring other information, see Service Manual of NSX-AJ700 <U> /

NSX-SZ700 <LH> / NSX-SZ705 <LH>, (S/M Code No. 09-013-441-7R1).

If requiring information about the CD mechanism, see Service Manual of BZG-5,

(S/M Code No. 09-00C-353-3N2 / 09-00C-353-3N4).

BASIC TAPE MECHANISM : 2ZM-3MK2

BASIC CD MECHANISM : BZG-5

NSXSZ702

SYSTEM

CASSEIVER

CXNSZ702

NSXSZ705 CXNSZ705

NSXSZ708 CXNSZ708

SPEAKER

REMOTE

CONTROLLER

SXWNSZ700

RCBAS02

SXWNSZ700

SXWNSZ703

TAPE

MECHANISM

6ZM-3

PR4NM

2ZM-3MK2

PR9NM

2ZM-3MK2

YPR9NM

MECHANISM

BZG-5

ZD3NM

BZG-5

YZD3NCM

Summary of Contents for NSX-SZ702

Page 1: ...ice Manual of NSX AJ700 U NSX SZ700 LH NSX SZ705 LH S M Code No 09 013 441 7R1 If requiring information about the CD mechanism see Service Manual of BZG 5 S M Code No 09 00C 353 3N2 09 00C 353 3N4 BASIC TAPE MECHANISM 2ZM 3MK2 BASIC CD MECHANISM BZG 5 NSX SZ702 SYSTEM CD CASSEIVER CX NSZ702 NSX SZ705 CX NSZ705 NSX SZ708 CX NSZ708 SPEAKER REMOTE CONTROLLER SX WNSZ700 RC BAS02 SX WNSZ700 SX WNSZ703 ...

Page 2: ...mpact disc player section Laser Semiconductor laser l 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 SPECIFICATIONS Design and specifications are subject to change without notice The word BBE and the BBE symbol are trademarks of BBE Sound Inc Under license from BBE Sound Inc Cassette deck section Track format 4 tracks 2 channels stereo Fr...

Page 3: ...2 383 000 CAP E 3300 65 M 85 IV LELON HA C20 87 A12 828 000 CAP E 3300 63 M 85 GS HS HT C20 87 A12 831 000 CAP E 2200 56 M 85 GS EZ C21 87 A12 780 090 CAP E 4700 35 M 85 SKR EZ C21 87 A12 825 000 CAP E 3300 25 M 85 GS EZ C22 87 A12 780 090 CAP E 4700 35 M 85 SKR EZ C22 87 A12 825 000 CAP E 3300 25 M 85 GS EZ C25 87 A12 072 080 CAP E 100 25 SMG EZ C26 87 A12 072 080 CAP E 100 25 SMG EZ C27 87 A12 0...

Page 4: ...6 K B C661 87 012 336 080 C CAP U 330P 50J SL C662 87 012 336 080 C CAP U 330P 50J SL C669 87 012 274 080 C CAP U 1000P 50 K B EZ C670 87 012 274 080 C CAP U 1000P 50 K B EZ C671 87 010 831 080 C CAP U 0 1 16F EZ C672 87 010 831 080 C CAP U 0 1 16F EZ C673 87 010 182 080 C CAP S 2200P 50 K B C2012 EZ C677 87 012 286 080 CAP U 0 01 25 C771 87 A12 062 080 CAP E 100 10 SMG C772 87 012 286 080 CAP U 0...

Page 5: ...05 PBSN J831 87 A60 202 010 TERMINAL ANT 4P MSP 154V 02 EZ J832 87 A60 403 010 TERMINAL ANT PAL 2P HSP 312V05 EZ J940 87 A60 633 010 CONN 2P H 2 5MM JMT HT JR123 87 A10 596 080 C CAP S 100P 100 J CH JR124 87 A10 596 080 C CAP S 100P 100 J CH L201 87 A50 610 010 COIL 1UH K MDEC L202 87 A50 610 010 COIL 1UH K MDEC L451 87 007 342 010 COIL OSC 85K HZ BIAS L801 87 A50 608 010 COIL FM DET N TOK L802 87...

Page 6: ...Y EC12E24304NON CLICK S301 87 A90 095 080 SW TACT EVQ11G04M S302 87 A90 095 080 SW TACT EVQ11G04M S321 87 A90 095 080 SW TACT EVQ11G04M S322 87 A90 095 080 SW TACT EVQ11G04M S323 87 A90 095 080 SW TACT EVQ11G04M S324 87 A90 095 080 SW TACT EVQ11G04M S326 87 A90 095 080 SW TACT EVQ11G04M S327 87 A90 095 080 SW TACT EVQ11G04M S335 87 A90 095 080 SW TACT EVQ11G04M VR501 87 NB7 602 010 VR RTRY 10KAX1 ...

Page 7: ...W4 87 036 110 010 SW MICRO SPPB62 SW6 87 036 110 010 SW MICRO SPPB62 SW8 87 A90 248 010 SW MICRO ESE11SH2CXQ SW9 87 A90 248 010 SW MICRO ESE11SH2CXQ 8 8 A Resistor Code Chip Resistor Part Coding Figure Value of resistor Chip resistor Wattage Type Tolerance 1 16W 1 10W 1 8W 1608 2125 3216 5 5 5 CJ CJ CJ Form L W t 1 6 0 8 0 45 2 1 25 0 45 3 2 1 6 108 118 128 A A CHIP RESISTOR PART CODE 0 55 Resisto...

Page 8: ...A1980G 2SA1981Y 2SA1979O Y 2SC5342Y STC250 2SA933AS R C B E S D G D G S 2SJ460 2SK2541 2SK360E 2SK2158 2SK2937 E C B G D S B C E FN1016 FP1016 S D G E C B E C B CC5551 CDA1585BC CSC4115BC KTA1266GR KTC3198GR B C E CSB1370EF 2SB1686 2SD2462 KRC104S KRC107S RT1P141C SBT5401F SBT5551F ...

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

Page 10: ... 10 SCHEMATIC DIAGRAM 1 MAIN 1 2 AMP SECTION HA HS ...

Page 11: ... 11 SCHEMATIC DIAGRAM 2 MAIN 2 2 TUNER SECTION HA HS ...

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

Page 13: ... 13 SCHEMATIC DIAGRAM 3 MAIN 1 2 AMP SECTION HT ...

Page 14: ... 14 SCHEMATIC DIAGRAM 4 MAIN 2 2 TUNER SECTION HT ...

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

Page 16: ... 16 SCHEMATIC DIAGRAM 5 MAIN 1 2 AMP SECTION EZ ...

Page 17: ... 17 SCHEMATIC DIAGRAM 6 MAIN 2 2 TUNER SECTION EZ ...

Page 18: ... 18 SCHEMATIC DIAGRAM 7 PT EZ ...

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

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

Page 21: ... 21 SCHEMATIC DIAGRAM 8 FRONT M OP PANEL S OP PANEL MOTOR BOX SW DECK HA HS HT ...

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

Page 23: ... 23 SCHEMATIC DIAGRAM 9 FRONT M OP PANEL S OP PANEL MOTOR BOX SW DECK EZ ...

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

Page 25: ... 25 WIRING 8 PT HA HS HT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T U ...

Page 26: ... 26 SCHEMATIC DIAGRAM 10 PT HA HS HT ...

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

Page 28: ...WIRING 10 DECK HEAD 1 EZ 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T U 28 ...

Page 29: ... 29 IC BLOCK DIAGRAM ...

Page 30: ... input 1 21 I KEY2 I Key A D input 2 22 I KEY3 I Key A D input 3 23 I PANEL SW I Panel OPEN CLOSE detect switch AD input 24 I JOG I Dial jog rotary encoder input 25 I SPEANA I Spectrum analyser level detection 26 I CDSW I CD mehca switch input 27 I WRQ I CD WRQ input 28 I TM BASE I Reference clock input for timer switch 29 I RMC I System remote control signal input L ACTIVE 30 41 G12 G1 O FL grid ...

Page 31: ...egment P9 output 71 CAM2 P8 I O DECK2 CAM switch data input L ON FL segment P8 output 72 VDD4 Digital power supply pin 73 REB P7 I O DECK2 side B recordable switch L REC HA HS HT FL segment P7 output 74 CST2 P6 I O DECK2 cassette detection switch data input L ON FL segment P6 output 75 M GEQ P5 I O Manual GEQ diode input not used FL segment P5 output 76 R 1 P4 I O DECK R 1 diode input not used FL ...

Page 32: ...CE O CD data chip enable output 98 I STEREO I DRF I Tuner stereo detect input RF radio frequency detect 99 O P DATA O Panorama IC data output Not used 100 O CLK O PLL IC clock output Description Pin No Pin Name I O ...

Page 33: ...nt The level at 5 73 MHz is adjusted to MAX by L941 Then the level at 17 9 MHz is adjusted to MAX by TC943 9 LW Tracking Adjustment EZ Settings Test point TP5 Lch TP6 Rch TUNER SECTION ADJUSTMENT TUNER DECK FRONT Adjustment location L941 144 kHz TC942 290 kHz Method Set up TC942 to center before adjustment The level at 144 kHz is adjusted to MAX by L941 Then the level at 290 kHz is adjusted to MAX...

Page 34: ...EC mode Then adjust OSC attenuator so that the output level at the TP5 TP6 becomes 10 mV Record and play back the 1 kHz and 8 kHz signal and adjust SFRs so that the output of the 8 kHz signal is 0 dB 1 dB with respect to that of the 1 kHz signal 5 REC PB Sensitivity Check DECK 2 Settings Test tape TTA 602 Test point TP5 Lch TP6 Rch Input signal 1 kHz LINE IN Method Apply a 1 kHz signal and REC mod...

Page 35: ...EZ ONLY EZ ONLY EXCEPT EZ G A 42 11 43 8 12 10 9 7 15 I I A C 55 1 2 3 4 5 6 a a 22 D A 17 13 14 14 20 21 40 36 37 37 39 38 38 A A G B A 16 GUIDE ECO 18 19 23 21 27 24 41 56 62 58 55 57 26 25 A A A A A A A A A 28 29 31 32 34 33 35 30 B b b A 44 45 46 47 49 60 E E 59 F F 48 51 52 C C C A H H A L H H G G 50 61 61 50 53 A PLATE PT 85 54 A A A J A c c EXCEPT EZ F K K HLDR TR S 1 2H HLDR SUB PT EXCEPT ...

Page 36: ...3 010 BADGE AIWA 30N SILV 45 8B NF7 035 010 WINDOW TRAY 46 8B NF7 005 010 PANEL TRAY 47 8A NF8 206 010 HLDR PWB M 48 8B NF7 239 210 HLDR TR U EXCEPT EZ 49 87 NF6 616 010 CONN ASSY 8P RPB EXCEPT EZ 50 8B NF7 208 010 HLDR PT 76 60 EZ 50 8A DB8 209 010 HLDR PWB PT EXCEPT EZ 51 87 085 185 010 BUSHING AC CORD E 52 87 A80 105 010 AC CORD ASSY AZ HA 52 87 A80 157 010 AC CORD ASSY E BLK CC HT EZ 52 87 A80...

Page 37: ...11 11 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 19 20 20 21 21 GEAR PLAY GEAR PLAY 23 23 24 24 26 28 28 PWB PWB 27 29 43 58 29 30 29 43 32 31 29 30 31 32 22 38 10 33 33 34 35 35 36 57 37 37 39 39 40 40 58 41 42 42 44 45 46 47 48 49 50 51 52 53 54 55 47 48 49 50 51 44 46 9 52 53 54 55 A C B A C B D D E 56 PWB 22 25 59 ...

Page 38: ...27 82 ZM3 339 110 SHAFT COUPLER N3 28 82 ZM1 255 310 SPR E LVR DIR 29 82 ZM1 217 410 REEL TABLE 30 82 ZM1 285 410 SPR C BT L 31 82 ZM1 333 210 PLATE LINK2 32 82 ZM1 222 310 LVR PLAY 33 82 ZM3 307 010 CUSH G DIA3 7 8 3 2 34 87 A92 321 010 MOT SHU2L 60 35 82 ZM1 257 010 SPR T CAS 36 82 ZM3 340 010 SH BELT D2 37 82 ZM1 242 010 LVR CAS 38 82 ZM3 329 410 BELT SBU R2 39 82 ZM1 243 010 LVR STOP 40 82 ZM1...

Page 39: ... A F G H C L I K D I E PWB 2 3 4 5 6 7 8 9 10 11 21 12 13 4 2 3 4 15 16 50 19 7 6 8 9 10 11 12 54 54 13 4 17 18 49 20 22 23 b b e e a a c c 24 25 26 27 28 29 31 30 32 27 33 34 35 36 37 32 30 33 35 36 31 34 38 39 38 56 58 41 42 43 44 45 46 47 48 57 58 41 55 47 51 52 53 14 40 d d PLATE SHLD M3 59 MOTOR 50 ...

Page 40: ...10 LVR PLAY 32 82 ZM1 217 410 REEL TABLE 33 82 ZM1 244 510 SPR C BT 34 82 ZM1 257 010 SPR T CAS 35 82 ZM1 242 010 LVR CAS 36 82 ZM1 243 010 LVR STOP 37 82 ZM1 240 110 LVR REC 38 82 ZM1 344 110 LVR ASSY PINCH R2 39 86 ZM3 204 010 SPR T PINCH S 40 82 ZM1 208 310 HLDR HEAD 41 82 ZM1 219 110 SPR T LINK 42 82 ZM1 210 110 GEAR H T 43 82 ZM3 353 010 SPR T HEAD 44 82 ZM1 207 910 GUIDE TAPE 45 82 ZM1 314 1...

Page 41: ...T WIRE FM Z EZ 5 87 006 226 010 ANT LOOP AM HT 5 87 006 268 010 ANT LOOP AM EXCEPT HT 6 87 A90 119 010 ANT WIRE SW 5M HT DESCRIPTION REF NO KANRI NO PART NO SPEAKER PARTS LIST SX WNSZ700 YSL Y1SL SX WNSZ703 YLSL 1 8B NS8 001 010 PANEL FR 2 8B NS8 002 010 PANEL SP A 3 8B NS8 003 010 PANEL SP B 4 8B NS8 004 010 PANEL DUCT 5 8B NS8 007 010 PROTECTOR M 6 8B NS8 602 010 SPKR W 160R 35 4 700Y1SL 703YLSL...

Page 42: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 Printed in Singapore 2000075 921338 ...

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