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SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
CD-CASSEIVER
NSX-WVT77
• This Service Manual is the "Supplement" and replaces "Simple Manual"
NSX-WVT77(HC) (S/M Code No. 09-008-433-1T2).
• This Service Manual contains informations about the difference between
NSX-WVT77(HC) and NSX-WVT77(HR). If requring the other information,
see Service Manual of NSX-WVT77(HR) (S/M Code No. 09-007-433-1R1).
SPEAKER
SX-NT92
CX-NWVT77
SX-CR677
S/M Code No. 09-008-433-1S1
NSX-WVT77
BASIC TAPE MECHANISM: 2ZM-3MK2 PR4NM
BASIC CD MECHANISM: 6ZG-1 VZRNDM
REMOTE CONTROLLER
HC
RC-ZAS08
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Summary of Contents for Aiwa NSX-WVT77
- Page 1 • This Service Manual is the “Supplement” and replaces “Simple Manual” NSX-WVT77(HC) (S/M Code No. 09-008-433-1T2). • This Service Manual contains informations about the difference between NSX-WVT77(HC) and NSX-WVT77(HR). If requring the other information, see Service Manual of NSX-WVT77(HR) (S/M Code No. 09-007-433-1R1). S/M Code No. 09-008-433-1S1...
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Page 2: Specifications
SPECIFICATIONS <FM tuner section> <Compact disc player section> Tuning range 87.5 MHz to 108 MHz Laser Semiconductor laser (λ =780 nm) Usable sensitivity(IHF) 13.2 dBf D-A converter 1 bit dual Antenna terminals 75 ohms (unbalanced) Signal-to-noise ratio 83 dB (1 kHz, 0 dB) Harmonic distortion 0.05 % (1 kHz, 0 dB) <MW tuner section>... - Page 3 ELETRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-020-331-080 C-DIODE,DAN202K 87-A40-488-080 DIODE,1SS244 8A-NH3-635-010 C-IC,LC876572V-5R46 87-A40-455-080 DIODE,RL203 GW 87-020-454-010 IC,DN6851 87-A40-749-080 ZENER,UZ5.6BSB 87-A21-397-010 IC,STK490-070 87-A40-747-080 ZENER,UZ5.1BSB 87-A21-482-010 IC,RPM6938-H4 87-A20-869-040 C-IC,M62449FP 87-A40-760-080 ZENER,UZ9.1BSA 87-A40-751-080 ZENER,UZ6.2BSB 87-A20-355-010 IC,CXA1553P...
- Page 4 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C327 87-010-404-080 CAP,E 4.7-50 M 11L SME C441 87-A10-799-080 C-CAP,S 5600P-16 J B CM C328 87-010-404-080 CAP,E 4.7-50 M 11L SME C442 87-A10-802-080 C-CAP,S 0.047-16 J B CM C332 87-010-196-080 C-CAP,S 0.1-25 Z F C2012...
- Page 5 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C636 87-A12-376-080 CAP,M 0.1-100 J CP C948 87-010-148-080 C-CAP,S 4P-50 C CH GRM C637 87-A12-376-080 CAP,M 0.1-100 J CP C952 87-010-197-080 C-CAP,S 0.01-25 K B C2012 C638 87-A12-376-080 CAP,M 0.1-100 J CP C953 87-010-197-080...
- Page 6 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION R164 87-A00-441-050 RES,270-1/2W J RP C821 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 R407 87-022-214-080 C-RES,S 100K-1/10W F C833 87-010-322-080 C-CAP,S 100P-50 J CH GRM R445 87-010-198-080 C-CAP,S 0.022-25 K B C2012 C901 87-012-157-080 C-CAP,S 330P-50 J CH GRM...
- Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION LED454 87-A40-809-040 LED,LTL-307KK PGRN C121 87-010-260-080 CAP,E 47-25 M 11L SME LED455 87-A40-809-040 LED,LTL-307KK PGRN C122 87-010-260-080 CAP,E 47-25 M 11L SME LED456 87-A40-809-040 LED,LTL-307KK PGRN C173 87-010-186-080 C-CAP,S 4700P-50 K B C2012 LED461 87-A40-317-080...
- Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION FFC102 88-910-201-110 FF-CABLE, 10P 1.25 200MM C556 87-012-145-080 C-CAP,S 270P-50 J CH GRM J101 87-A61-159-010 JACK,PIN 4P R/W/B/0 KM C557 87-010-183-080 C-CAP,S 2700P-50 K B GRM L151 87-A50-610-010 COIL,1UH K(MDEC) C559 87-010-196-080...
- Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C161 87-010-178-080 C-CAP,S 1000P-50 K B C2012 DECK C.B C162 87-012-156-080 C-CAP,S 220P-50 J CH GRM S511 87-A90-095-080 SW,TACT EVQ11G04M CON105 87-099-756-010 CONN,15P 9604 S F S512 87-A90-095-080 SW,TACT EVQ11G04M SFR1 87-024-581-010...
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Page 10: Transistor Illustration
TRANSISTOR ILLUSTRATION E C B 2SA1981Y – 10 –... - Page 11 WIRING – 1 (MAIN / KEY CON / GEQ / VM) – 11 –...
- Page 12 SCHEMATIC DIAGRAM - 1 (MAIN 1 / 4) – 12 –...
- Page 13 SCHEMATIC DIAGRAM - 2 (MAIN 2 / 4: DECK SECTION) – 13 –...
- Page 14 SCHEMATIC DIAGRAM - 3 (MAIN 3 / 4: POLOGIC SECTION) – 14 –...
- Page 15 SCHEMATIC DIAGRAM - 4 (MAIN 4 / 4: TUNER SECTION) – 15 –...
- Page 16 SCHEMATIC DIAGRAM - 5 (KEY CON) – 16 –...
- Page 17 SCHEMATIC DIAGRAM - 6 (GEQ) – 17 –...
- Page 18 WIRING - 2 (DISPLAY / CD KEY) – 18 –...
- Page 19 SCHEMATIC DIAGRAM - 7 (DISPLAY / CD KEY / DECK ) – 19 –...
- Page 20 WIRING - 3 (CONTROL / VOLUME / MIC) – 20 –...
- Page 21 SCHEMATIC DIAGRAM - 8 (CONTROL / VOLUME / MIC) – 21 –...
- Page 22 WIRING - 4 (AMP 1F) – 22 –...
- Page 23 SCHEMATIC DIAGRAM - 9 (AMP 1F) – 23 –...
- Page 24 WIRING - 5 (AMP 2F) – 24 –...
- Page 25 SCHEMATIC DIAGRAM - 10 (AMP 2F) – 25 –...
- Page 26 WIRING - 6 (PT) – 26 –...
- Page 27 SCHEMATIC DIAGRAM - 11 (PT) – 27 –...
- Page 28 WIRING – 7 (DECK / HEAD-1 / HEAD-2) – 28 –...
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Page 29: Mechanical Parts List
MECHANICAL PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 29 8A-NHR-051-110 WINDOW,DISP 40 8A-NH4-066-110 KEY,PBC 49 87-A80-083-010 AC CORD,HC BLK 50 87-A91-087-010 F-BEAD,9.5-17.5-28.5 TAITECH 65 8A-NF3-223-110 HLDR,FAN 68 8A-NHR-012-010 CABI,REAR HCSCNC 69 8A-NF3-228-110 HLDR,PWB-PT COLOR NAME TABLE... - Page 30 TAPE MECHANISM EXPLODED VIEW 1 / 1 PLATE SHLD,M3 GEAR PLAY GEAR PLAY YPR4NM,PR4NM PLATE SHLD,M3 – 30 –...
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Page 31: Tape Mechanism Parts List
TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 82-ZM3-335-310 PULLEY,COUPLER M3 32 82-ZM1-222-310 LVR,PLAY(*) 2 87-B10-043-010 W-P,0.99-4-0.25 SLT 33 82-ZM3-307-010 CUSH-G,DIA3.7-8-3.2 3 86-ZM1-206-010 BELT,MAIN L 34 87-045-347-010 MOT,SHU2L 70 4 82-ZM1-322-010 SPR-T,FR 60 35 82-ZM1-257-010... -
Page 32: Accessories / Package List
DESCRIPTION 1 8A-NSD-001-010 PANEL,FR L 2 8A-NSD-002-010 PANEL,FR R 3 8A-NSD-003-010 PANEL,BA 4 8A-NSD-004-010 GRILLE,FRAME ASSY 5 8A-NSJ-006-010 BADGE,AIWA S35 6 8A-NSD-007-010 PROTECTOR, TW 7 88-NSG-610-010 SPKR, CERAMIC ASSY 8 87-NSE-602-010 SPKR,W 160 9 87-NSE-604-010 SPKR,T 80 10 87-NS7-611-010 CORD,SPKR... - Page 33 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9820572 9630472 0251431 Printed in Singapore...