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Aiwa NSX-T99 LH Service Manual
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Aiwa NSX-T99 LH Service Manual

Aiwa NSX-T99 LH Service Manual

Compact disc stereo cassette receiver
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SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
NSX-T99
NSX-T99E
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-T99/T99E, (S/M Code No. 09-002-426-5T1).
• If requiring information about the CD mechanisim, see Service Manual of 6ZG-1,
(S/M Code No. 09-001-338-7N2)
NSX-T99
NSX-T99E
BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM
BASIC CD MECHANISM : 6ZG-1 ZRNDM
CD
CASSEIVER
CX-NT99
CX-NT99E
S/M Code No. 09-003-426-5R1
REMOTE
SPEAKERS
CONTROL
SX-WNT99
RC-ZAS04
LH
HA

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Summary of Contents for Aiwa NSX-T99 LH

  • Page 1 NSX-T99 NSX-T99E SERVICE MANUAL COMPACT DISC STEREO BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM CASSETTE RECEIVER BASIC CD MECHANISM : 6ZG-1 ZRNDM REMOTE SYSTEM SPEAKERS CASSEIVER CONTROL NSX-T99 CX-NT99 SX-WNT99 RC-ZAS04 NSX-T99E CX-NT99E • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” NSX-T99/T99E, (S/M Code No.
  • Page 2 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) <AM Tuner section>...
  • Page 3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully CAUTION the instructions below when servicing. Use of controls or adjustments or performance of proce- dures other than those specified herin may result in WARNING!! hazardous radiation exposure.
  • Page 4 NOTE ON BEFORE STARTING REPAIR 1. Forced discharge of electrolytic capacitor of power supply block When repair is going to be attempted in the set that uses relay circuit in the power supply block, electric potential is kept charged across the electrolytic capacitors (C101, 102) even though AC power cord is removed.
  • Page 5 In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not. 2-2. Regarding reset There are cases that the machine does not work correctly because the MICROCOMPUTER is not reset even though the AC power cord is re-inserted, or the software reset (pressing the STOP key + POWER key) is performed.
  • Page 6 ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION MAIN C.B 8A-NF3-635-010 C-IC,LC876580W-5P43 87-012-368-080 C-CAP,S 0.1-50 F 87-A21-482-010 IC,RPM6938-H4 87-012-368-080 C-CAP,S 0.1-50 F 87-A20-869-040 C-IC,M62449FP 87-016-035-090 CAP, E 6800-35 VR 87-A21-398-010 IC,STK490-110 87-016-035-090 CAP, E 6800-35 VR 87-A20-355-010 IC,CXA1553P...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C337 87-010-196-080 CHIP CAPACITOR,0.1-25 C627 87-010-400-080 CAP, ELECT 0.47-50V C339 87-010-196-080 CHIP CAPACITOR,0.1-25 C628 87-010-400-080 CAP, ELECT 0.47-50V C340 87-010-196-080 CHIP CAPACITOR,0.1-25 C629 87-010-992-080 C-CAP,S 0.047-25 B C351 87-012-140-080 CAP 470P C630...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C979 87-010-322-080 C-CAP,S 100P-50 CH C110 87-010-196-080 CHIP CAPACITOR,0.1-25 C981 87-010-260-080 CAP, ELECT 47-25V C112 87-016-460-080 C-CAP,S 0.22-16 B C982 87-010-196-080 CHIP CAPACITOR,0.1-25 C113 87-A10-189-040 CAP,E 220-10 C983 87-010-197-080 CAP, CHIP 0.01 DM C114...
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION L801 87-A50-093-010 COIL,CLOCK 5.76MHZ S213 87-A90-095-080 SW,TACT EVQ11G04M L802 87-003-098-080 COIL,2.2UH S214 87-A90-095-080 SW,TACT EVQ11G04M S215 87-A90-095-080 SW,TACT EVQ11G04M S216 87-A90-095-080 SW,TACT EVQ11G04M CD KEY C.B S217 87-A90-095-080 SW,TACT EVQ11G04M CN301 87-A60-079-010...
  • Page 10 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C121 87-010-260-080 CAP, ELECT 47-25V 87-A10-231-090 CAP,E 3300-80 C122 87-010-260-080 CAP, ELECT 47-25V 87-A11-148-080 CAP,TC U 0.1-50 Z F C173 87-010-186-080 CAP,CHIP 4700P 87-A11-148-080 CAP,TC U 0.1-50 Z F C174 87-010-186-080 CAP,CHIP 4700P...
  • Page 11 REF. NO. PART NO. KANRI DESCRIPTION C229 87-010-322-080 C-CAP,S 100P-50 CH C230 87-010-322-080 C-CAP,S 100P-50 CH C231 87-010-322-080 C-CAP,S 100P-50 CH CN201 87-A60-546-010 CONN,11P H GRY TUC-P11X-C1 DECK C.B CN502 87-099-756-010 CONN,15P 9604S F SFR1 87-024-581-010 SFR,3.3K DIA 6H SOL1 82-ZM1-618-410 SOL ASSY,27 SOL2...
  • Page 12 TRANSISTOR ILLUSTRATION E C B E C B E C B E C B DTC114ES KTA1266GR CD1585BC CC5551 2SB1436 2SA933S KTC3199GR CSC4115BC CSA952K E C B B C E G D S 2SB1370 2SB1237Q 2SK3053 2SK2158 2SB1588 2SD2439 2SA1235F CSD1306E 2SC2714 DTA143EKA 2SC3052F...
  • Page 13 WIRING - 1 (MAIN) – 13 –...
  • Page 14 SCHEMATIC DIAGRAM – 1 (MAIN 1/3 / VM) – 14 –...
  • Page 15 SCHEMATIC DIAGRAM – 2 (MAIN 2/3) – 15 –...
  • Page 16 SCHEMATIC DIAGRAM – 3 (MAIN 3/3 / HEAD-1 / HEAD-2) – 16 –...
  • Page 17 WIRING - 2 (DISPLAY / CD KEY) – 17 –...
  • Page 18 SCHEMATIC DIAGRAM – 4 (DISPLAY / CD KEY / DECK) – 18 –...
  • Page 19 WIRING - 3 (CONTROL \ VOLUME \ MIC) – 19 –...
  • Page 20 SCHEMATIC DIAGRAM – 5 (CONTROL / VOLUME / MIC) – 20 –...
  • Page 21 WIRING - 4 (AMP) – 21 –...
  • Page 22 SCHEMATIC DIAGRAM – 6 (AMP) – 22 –...
  • Page 23 WIRING - 5 (DECK / GEQ / HEAD-1 / HEAD-2) – 23 –...
  • Page 24 SCHEMATIC DIAGRAM – 7 (GEQ) – 24 –...
  • Page 25 WIRING - 6 (PT / VM) – 25 –...
  • Page 26 SCHEMATIC DIAGRAM – 8 (PT) – 26 –...
  • Page 27 IC BLOCK DIAGRAM IC, BU2099FV IC, M62449FP – 27 –...
  • Page 28 IC, BU2092F IC, M65849BFP631D – 28 –...
  • Page 29 IC, BA7762AFS IC, CXA1553P – 29 –...
  • Page 30 IC, BD3876KS IC, LC72131D – 30 –...
  • Page 31 IC, LA1844L-A IC, BU9990-03FS IC, M61506FP – 31 –...
  • Page 32 FL (BJ752GK-ANF3) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT – 32 –...
  • Page 33 ANODE CONNECTION – 33 –...
  • Page 34 IC DESCRIPTION IC, LC876580W-5P43 Description Pin No. Pin Name Common serial CLOCK output. DATA Common Serial DATA output. Common serial STROBE output. CS-RHYTHM Rhythm IC chip select output. GEQ-CE GEQ IC chip enable output. HP-MUTE Headphone plug-in detect input. (Output "L" at HOLD) O-POWER System power ON/OFF output.
  • Page 35 Pin No. Pin Name Description P19/K-CON FL segement P19 output / K-CON select diode input. P18/RDS FL segement P18 output / RDS select diode input. P17/FM1 FL segment P17 output / FM1 select diode input. P16/SW FL segment P16 output / SW step initial diode input. P15/LW FL segment P15output / LW stereo select diode input.
  • Page 36 ADJUSTMENT <TUNER/DECK/DISPLAY> A MAIN C.B L802 SFR351 SFR352 L951 L801 IC303 IC801 R815 SFR305 (3/3) (1/3) SFR302 SFR306 SFR301 (CLK) SFR304 FFE831 SFR303 (VT) TP11 (LCH) TP10 (RCH) TP8 (LCH) TP9 (RCH) IC601 15 14 13 12 B DISPLAY C.B FL101 (K-SCAN) IC101...
  • Page 37 < DECK SECTION > < TUNER SECTION > 8. Tape Speed Adjustment (DECK 1, DECK 2) 1. Clock Frequency Check Settings : • Test tape : TTA–100(3kHz) Settings : • Test point : TP6 (CLK) • Test point : TP9(Rch), TP10(Lch) •...
  • Page 38 14. REC/PB Sensitivity Adjustment (DECK 2) Settings : • Test tape : TTA–602 (Normal) • Test point : TP9(Rch), TP10(Lch) • Input signal : 1kHz (LINE IN) • Adjustment location : SFR305 (Lch) SFR306 (Rch) Method : Apply a 1kHz signal and REC mode. Then adjust OSC attenuator so that the output level at the test points becomes 125mV.
  • Page 39 MECHANICAL EXPLODED VIEW 1 / 1 – 39 –...
  • Page 40 MECHANICAL PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 88-NF3-090-010 RING,FOOT 46 8A-NF3-208-010 HLDR,CHAS L 2 8A-NF3-042-010 PANEL ASSY,TRAY 47 87-NF4-221-010 HLDR,CABLE 3 8A-NF3-029-010 BOX,CASS R 48 87-A91-423-010 FAN,AD0612DS-D7OGL 4 8A-NF3-040-010 PANEL,CASS R 49 87-A80-148-010 AC CORD ASSY,E BLK...
  • Page 41 TAPE MECHANISM EXPLODED VIEW 1 / 1 PH(DECK 1) RPH(DECK 2) DECK C.B CUSH-G,DIA3.7-8-3.2 CUSH-G,DIA3.7-8-3.2 CAPSTAN N 2.2-41.7 CAPSTAN N 2.2-41.5 HEAD 1 C.B(DECK 1) BELT D2 HEAD 2 C.B(DECK 2) (DECK 1) (DECK 1) (DECK 2) (DECK 2) 2ZM3MK2 PR4N (BOTTOM SIDE) SH,1.63-3.2-0.5 SLT 2000/3/6 YPR4N...
  • Page 42 TAPE MECHANISIM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 82-ZM3-301-510 CHAS ASSY,M2 36 82-ZM3-339-010 SHAFT,COUPLER N3(DECK 1) 2 82-ZM1-258-110 SPR-T,PINCH L 37 86-ZM1-206-010 BELT,MAIN L 3 82-ZM1-341-110 LVR ASSY,PINCH L2 38 82-ZM1-322-010 SPR-T,FR60 4 82-ZM1-333-010...
  • Page 43 SPEAKER DISASSEMBLY INSTRUCTIONS Type.1 Type.4 Insert a flat-bladed screwdriver into the position indicated by the TOOLS arrows and remove the panel. Remove the screws of each speaker 1 Plastic head hammer unit and then remove the speaker units. 2 (() flat head screwdriver 3 Cut chisel How to Remove the PANEL, FR Type.2...
  • Page 44 1 8A-NS3-001-010 PANEL,FR 11 88-NS5-610-010 CORD,SPKR 2 8A-NS3-002-010 PANEL,TW L 12 88-NS5-611-010 CORD,SPKR B/L 3 8A-NS3-003-010 PANEL,TW R 13 8A-NSJ-006-010 BADGE,AIWA S35 4 8A-NS3-006-010 PANEL,TOP 14 8A-NS3-014-010 CABI,TOP 5 8A-NS3-009-010 PROTECTOR,SQA 16 8A-NS3-004-010 PANEL,DUCT RING 6 8A-NS3-011-010 PROTECTOR,TWA 17 8A-NS3-005-010...
  • Page 45 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9620450 0251431 Printed in Singapore...

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