Aiwa NSX-T77 Service Manual
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Aiwa NSX-T77 Service Manual

Aiwa NSX-T77 Service Manual

Cd stereo cassette receiver
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See also: Service Manual
SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
NSX–T77
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-T77 (S/M Code No. 09-99C-425-2T1).
• If requiring information about the CD mechanisim, see Service Manual of 6ZG-1
(S/M Code No. 09-001-338-7N2).
CD–CASSEIVER
CX–NT77
SX–WNT98
S/M Code No. 09-003-425-2R1
NSX-T77
BASIC TAPE MECHANISM: 2ZM-3MK2 PR4NM
BASIC CD MECHANISM: 6ZG-1 ZRNDM
SPEAKER
REMOTE CONTROLLER
LH
RC–ZAS04

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Summary of Contents for Aiwa NSX-T77

  • Page 1 CX–NT77 SX–WNT98 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” NSX-T77 (S/M Code No. 09-99C-425-2T1). • 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. 09-003-425-2R1...

  • 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) <AM Tuner section>...

  • Page 3: Protection Of Eyes From Laser Beam During Servicing

    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

    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 ELETRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-012-368-080 C-CAP,S 0.1-50 F 87-012-368-080 C-CAP,S 0.1-50 F 8A-NF3-635-010 C-IC,LC876596W-5P43 87-016-035-090 CAP, E 6800-35 VR 87-A21-482-010 IC,RPM6938-H4 87-016-035-090 CAP, E 6800-35 VR 87-A20-869-040 C-IC,M62449FP 87-010-392-080 CAP ELECT 33SME-35V 87-A21-398-010...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C356 87-010-260-080 CAP, ELECT 47-25V C635 87-A10-307-080 C-CAP,S 0.1-25 K B C357 87-010-197-080 CAP, CHIP 0.01 DM C636 87-A10-307-080 C-CAP,S 0.1-25 K B C358 87-010-183-080 C-CAP,S 2700P-50 B C637 87-A10-307-080 C-CAP,S 0.1-25 K B...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C971 87-010-381-080 CAP, ELECT 330-16V C103 87-010-196-080 CHIP CAPACITOR,0.1-25 C972 87-010-404-080 CAP, ELECT 4.7-50V C104 87-010-313-080 CAP, CHIP 18P C973 87-010-197-080 CAP, CHIP 0.01 DM C105 87-010-322-080 C-CAP,S 100P-50 CH C974 87-010-197-080 CAP, CHIP 0.01 DM...
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION FC601 88-905-081-110 FF-CABLE,5P 1.25 S226 87-A90-095-080 SW,TACT EVQ11G04M FC701 88-915-161-110 FF-CABLE,15P 1.25 S227 87-A90-095-080 SW,TACT EVQ11G04M FL101 8A-NF3-613-010 FL,BJ752GK-ANF3 S228 87-A90-095-080 SW,TACT EVQ11G04M L101 87-A50-333-010 COIL,OSC 9.43MHZ S229 87-A90-095-080 SW,TACT EVQ11G04M L801...
  • Page 10 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION CON102 87-A61-011-010 CONN,13P H BLK TAC-L13P-A3 C215 87-010-197-080 CAP, CHIP 0.01 DM J201 87-A61-148-010 JACK,PIN 4P R/W BLUE C216 87-010-197-080 CAP, CHIP 0.01 DM L251 87-A50-610-010 COIL,1UH K(MDEC) C217 87-010-198-080 CAP, CHIP 0.022...

  • Page 11: Transistor Illustration

    REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION SOL2 82-ZM1-618-410 SOL ASSY,27 HEAD-1 C.B 87-A90-248-019 SW,MICRO ESE11SH2CXQ 87-A90-248-019 SW,MICRO ESE11SH2CXQ 85-ZM3-602-010 PWB,FLEX A 87-A90-248-019 SW,MICRO ESE11SH2CXQ 87-036-110-019 SW,MICRO SPPB62 HEAD-2 C.B 87-036-110-019 SW,MICRO SPPB62 87-036-110-019 SW,MICRO SPPB62 85-ZM3-602-010 PWB,FLEX A 87-A90-248-019...
  • Page 12 WIRING - 1 (MAIN/ GEQ/ VM) - 12 -...

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