Aiwa NSX-A22 Manual de servicio

SERVICE MANUALDATACOMPACT DISCSTEREO SYSTEMBASIC TAPE MECHANISM : ZZM-3 PR3NMBASIC CD MECHANISM : BZG-5 ZD3GNMNSX-R50NSX-R51KEZS/M Code No. 09-01A-44

 10 TRANSISTOR ILLUSTRATIONE C B2SC2240(GR/BL)CDA1585BCCSC4115BCKTC3198GRE C B2SA1980G2SA1981Y2SA1235F2SC2620B2SC3052F2SC5345S(O)2SD1306ECSD1306EDT

– 11 –WIRING – 1 (MAIN / HP)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 1ABCDEFGHIJKLMNOPQRSTU

– 12 –SCHEMATIC DIAGRAM – 1 (MAIN 1 / 2)

– 13 –SCHEMATIC DIAGRAM – 2 (MAIN 2 / 2 : TUNER)

– 14 –SCHEMATIC DIAGRAM – 3 (HP)

– 15 –WIRING – 2 (FRONT / LED)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 1ABCDEFGHIJKLMNOPQRSTU

– 16 –SCHEMATIC DIAGRAM – 4 (FRONT / LED / DECK)

– 17 –WIRING – 3 (PT)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1ABCDEFGHIJKLMNOPQRSTU

– 18 –SCHEMATIC DIAGRAM – 5 (PT)

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 19 ABCDEFGHIJKLMNOPQRSTUWIRING  4 (DECK)SW5(CAM2)SW1(CAM1)S

 2 SPECIFICATIONS Design and specifications are subject to change without notice.MAIN UNIT CX-NR50 (K) / CX-NR51 (EZ)TUNERFM tuning range 87.5 MHz

– 20 –IC BLOCK DIAGRAM

– 21 –

 22 FL (BJ854GNK BNF  1) GRID ASSIGNMENT / ANODE CONNECTIONGRID ASSIGNMENT ANODE CONNECTION

– 23 –IC DESCRIPTIONIC, µPD780228-061-3BAPin Name I/ODescriptionPin No.1 O-MOTOR O DECK MOTOR ON/OFF output.2 O-SOL1 O DECK1 solenoid ON/OFF output.3

– 24 –Pin Name I/O DescriptionPin No.44 I-SPEANA_1 I A/D input for spectrum analyser level display.45 I-SPEANA_2 I A/D input for spectrum analyser lev

 25 SFR112GDECK C.BAMAIN C.B15RVS FWDRPH/PHAMAIN C.B PATTERN SIDETC942R LGSFR452SFR451SFR451SFR452IC80124517L942L951L802L901L902L907L905L904L9416915

 26 <TUNER Adjustment>1. VT Adjustment and Check (LW)Requirements* Measuring instrument: Digital multimeterTest point: VT, GNDAdj

 27 <MW/LW Adjustment>Make sure that the following settings are done before adjustment.Preparation* Measuring instruments:Standard S

 28 <FM Adjustment>Make sure that the following settings are done before adjustment.Preparation* Measuring instruments: Stand

 29 <Deck Section>12. Tape Speed Adjustment (DECK 2)Requirements* Measuring instruments: Wow-flutter meter (frequency counter)Test

 3 This set employs laser. Therefore, be sure to follow carefully theinstructions below when servicing.WARNING!!WHEN SERVICING, DO NOT APP

 30 17. Playback Sensitivity Check (DECK 1, DECK 2)Requirements* Measuring instrument: MillivoltmeterTest tape: TTA-200 (400 Hz)Test

 31 20. Clock AdjustmentRequirement* Measuring instrument: Frequency counterTest point: CLOCK, GND(1) While pressing and holding do

 32 CD TEST MODE1. Starting CD Test ModeInsert the AC plug while pressing and holding down the CD OPEN/CLOSE button.When the test mode is activate

 33 MECHANICAL EXPLODED VIEW 1 / 10.00.20.40.60.81.0PLATE, EARTH MECHMAGNET, BOXMAGNET, BOXPLATE, BOXREFLECTOR, CDPLATE, BOXCOVER, MAGNETCOVER, M

 34 DESCRIPTIONREF. NO. KANRINO.PART NO.MECHANICAL PARTS LIST 1 / 1DESCRIPTIONREF. NO. KANRINO.PART NO.!Basic color symbol Color Basic color symb

 35 TAPE MECHANISM EXPLODED VIEW 1 / 1ATERMINAL,LB1AABTERMINAL,LB1123455667899101110111212131314141515161618181919202021213022232425262728222324

 36 DESCRIPTIONREF. NO. KANRINO.PART NO.TAPE MECHANISM PARTS LIST 1 / 1DESCRIPTIONREF. NO. KANRINO.PART NO. 1 8Z-ZM3-227-010 BELT,MAIN

– 37 –GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE)Insert a flat-bladed screwdriver into the position indicated by thearrows and remov

– 38 –DESCRIPTIONREF. NO. KANRINO.PART NO.SPEAKER PARTS LISTSX-NR50 (YSL) 1 8B-NSA-001-010 PANEL,FR R 2 8B-NSA-002-010 PANEL,FR

2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111Printed in Singapore9301978 9720501 921338

– 4 –NOTE ON BEFORE STARTING REPAIRCharging voltage (V) Discharging Rated power (W) Parts number(C101, 102) resistor (Ω)25-48 100 3 87-A00-247-090

– 5 –In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not.2-2. Regarding resetThere are case

 6 ELECTRICAL MAIN PARTS LISTDESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO.IC 87-A21-419-040 C-IC,NJM14558

 7 DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. C403 87-012-193-080 C-CAP,U 82P-50 CH C404 87-012-193-080

 8 DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. C942 87-012-165-080 CAP 3P C947 87-012-286-080 CAP, U 0.0

 9 DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO.! C963 87-010-759-080 C-CAP,U, 0.1-25F CN104 87-A60-057-010