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Aiwa NSX-T99 Service Manual

Compact disc stereo cassette receiver
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SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
NSX-T99
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-T99, (S/M Code No. 09-003-426-5T2).
• If requiring information about the CD mechanisim, see Service Manual of 6ZG-1,
(S/M Code No. 09-001-338-7N2)
NSX-T99
BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM
BASIC CD MECHANISM : 6ZG-1 ZRNDM
CD
CASSEIVER
CX-NT99
S/M Code No. 09-005-426-5R2
REMOTE
SPEAKERS
CONTROL
SX-WNT99
RC-ZAS04
EZ

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Summary of Contents for Aiwa NSX-T99

  • Page 1 SX-WNT99 RC-ZAS04 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” NSX-T99, (S/M Code No. 09-003-426-5T2). • If requiring information about the CD mechanisim, see Service Manual of 6ZG-1, (S/M Code No. 09-001-338-7N2) S/M Code No. 09-005-426-5R2...

  • 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 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 87-A40-764-080 ZENER,UZ10BSC 87-017-149-080 ZENER,HZS6A2L 8A-NF3-635-010 C-IC,LC876596W-5P49 87-A21-482-010 IC,RPM6938-H4 87-A20-869-040 C-IC,M62449FP MAIN C.B 87-A21-398-010 IC,STK490-110 87-A20-355-010 IC,CXA1553P 87-A10-712-080 C-CAP,S 0.22-50 F 87-A10-712-080 C-CAP,S 0.22-50 F 87-A20-783-040 C-IC,BA7762AFS 87-016-035-090...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C336 87-010-401-080 CAP, ELECT 1-50V C626 87-010-992-080 C-CAP,S 0.047-25 B 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...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C870 87-018-131-080 CAP,TC U 1000P-50 KB L802 87-A91-551-010 FLTR,PCFJZH-450 L(TOK) C871 87-012-156-080 C-CAP,S 220P-50 CH L811 87-005-847-080 COIL,2.2UH(CECS) C872 87-012-156-080 C-CAP,S 220P-50 CH L821 87-A50-209-010 COIL,1POLE MPX(MIT) C873 87-012-140-080 C-CAP,S 470P-50 CH L822...
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C310 87-010-067-040 CAP,E 0.1-50 5L LED446 87-A40-380-180 LED,SEL6510C-TP5 GRN C701 87-010-981-040 CAP,E 22-35 5L SRE LED447 87-A40-380-180 LED,SEL6510C-TP5 GRN C901 87-012-157-080 C-CAP,S 330P-50 CH LED448 87-A40-380-180 LED,SEL6510C-TP5 GRN C902 87-010-176-080 C-CAP,S 680P-50 SL...
  • Page 10 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C603 87-010-112-040 CAP,E 100-16 R162 87-A00-418-010 RES,M/F 0.15-3W J C604 87-010-405-040 CAP,E 10-50 R165 87-A00-418-010 RES,M/F 0.15-3W J C605 87-010-546-040 CAP,E 0.33-50 R166 87-A00-418-010 RES,M/F 0.15-3W J C606 87-010-320-080 CHIP CAP 68P R231...
  • Page 11 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C210 87-016-460-080 C-CAP,S 0.22-16 B C230 87-010-322-080 C-CAP,S 100P-50 CH C211 87-012-365-080 C-CAP,S 0.027-25VBK C231 87-010-322-080 C-CAP,S 100P-50 CH C212 87-012-365-080 C-CAP,S 0.027-25VBK CN201 87-A60-546-010 CONN,11P H GRY TUC-P11X-C1 C213 87-010-956-080 CHIP-CAP,S 0.068-25B...
  • Page 12 TRANSISTOR ILLUSTRATION E C B E C B E C B E C B DTC114ES KTA1266GR CSA952K CC5551 2SB1436(R) 2SA933S KTC3198GR CD1585BC KTC3199GR CSC4115BC E C B B C E G D S 2SB1370E 2SB1237Q 2SK3053 2SK2158 FN1016 2SJ461-T1 FP1016 2SA1235F DTA143EKA 2SK360E...
  • 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 / HEAD-1 / HEAD-2) – 23 –...
  • Page 24 SCHEMATIC DIAGRAM – 7 (GEQ) – 24 –...
  • Page 25 WIRING - 6 (PT / VM / GEQ) – 25 –...
  • Page 26 SCHEMATIC DIAGRAM – 8 (PT) – 26 –...
  • Page 27 IC BLOCK DIAGRAM – 27 –...
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  • Page 32 FL (BJ752GK-ANF3) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT – 32 –...
  • Page 33 ANODE CONNECTION – 33 –...
  • Page 34 IC DESCRIPTION IC, LC876596W-5P49 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. (Not used.) P18/RDS FL segement P18 output / RDS select diode input. (Not used.) P17/FM1 FL segment P17 output / FM1 select diode input. (Not used.) P16/SW FL segment P16 output / SW step initial diode input.
  • Page 36 ADJUSTMENT <TUNER/DECK/DISPLAY> A MAIN C.B L941 L802 SFR351 SFR352 L801 TC942 IC303 L942 IC801 SFR305 (3/3) (1/3) L951 SFR302 SFR306 SFR301 (CLK) SFR304 FFE831 SFR303 (VT) TP11 (LCH) TP10 (RCH) TP8 (LCH) TP9 (RCH) IC601 17 16 15 14 13 12 B DISPLAY C.B FL101 (K-SCAN)
  • Page 37 < DECK SECTION > < TUNER SECTION > 1. Clock Frequency Check 10. Tape Speed Adjustment Settings : • Test point : TP2 (CLK) Settings : • Test tape : TTA–100(3kHz) Method : Set to MW 1602kHz and check that the test point is •...
  • Page 38 16. REC/PB Sensitivity Adjustment (DECK 2) Settings : • Test tape : TTA–602 (Normal) • Test point : TP10(Rch), TP11(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 PART 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 BELT D2 HEAD 1 C.B(DECK 1) 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-ZM3-301-610 1H CHAS ASSY,M2 37 86-ZM1-206-010 0E BELT,MAIN L 2 82-ZM1-258-210 0E SPR-T,PINCH L 38 82-ZM1-322-010 0E SPR-T,FR 60 3 82-ZM1-341-210 1A LVR ASSY,PINCH L2 39 82-ZM1-220-210 0E GEAR,IDLER 4 82-ZM1-333-210 0E PLATE,LINK2 40 82-ZM3-616-010 0E RING MAGNET 4...
  • 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-NS3-010-010 PROTECTOR,SQA 15 8A-NS3-017-010 PANEL,RING S 6 8A-NS3-011-010 PROTECTOR,TWA 16 8A-NS3-015-010...
  • Page 45 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9620450 9630472 0251431 Printed in Singapore...

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