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SERVICE MANUAL
CD STEREO SYSTEM
SYSTEM
NSX-R10
NSX-R12
If requiring information about the CD mechanism, see Service Manual of
BZG-2 ZD9GNC2, (S/M Code No. 09-023-353-2NA).
NSX-R10
NSX-R12
BASIC CD MECHANISM : BZG-2 ZD9GNC2
BASIC TAPE MECHANISM : CMAT6Z2(1+1)ALPS
CD
CASSEIVER
CX-NR10
CX-NR12
S/M Code No. 09-028-455-6N4
REMOTE
SPEAKER
CONTROLLER
SX-NR10
RC-CAS03(VS)
V(S)
V(S)
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Table of Contents
Related Manuals for Aiwa NSX-R12
Summary of Contents for Aiwa NSX-R12
- Page 1 NSX-R10 V(S) NSX-R12 V(S) SERVICE MANUAL BASIC CD MECHANISM : BZG-2 ZD9GNC2 CD STEREO SYSTEM BASIC TAPE MECHANISM : CMAT6Z2(1+1)ALPS REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER NSX-R10 CX-NR10 SX-NR10 RC-CAS03(VS) CX-NR12 NSX-R12 If requiring information about the CD mechanism, see Service Manual of BZG-2 ZD9GNC2, (S/M Code No.
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Page 2: Table Of Contents
TABLE OF CONTENTS -1/1 SPECIFICATIONS ................................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ..............4 NOTE ON BEFORE STARTING REPAIR ........................5, 6 ACCESSORIES PARTS LIST .............................. 7 ELECTRICAL PARTS LIST ............................8 ~ 21 TRANSISTOR ILLUSTRATION ............................22 SCHEMATIC DIAGRAM -1/5 (MAIN-1/2, AMP SECTION) .................... -
Page 3: Specifications
SPECIFICATIONS -1/1 MAIN UNIT CX-NR10/CX-NR12 TUNER FM tuning range FM1 (OIRT): 65 MHz to 74 MHz (10 kHz step) FM2 (CCIR): 87.5 MHz to 108 MHz (50 kHz step) FM usable sensitivity (IHF) FM1: 15.3 dBf FM2: 12.8 dBf FM antenna terminal 75 ohms (unbalanced) AM tuning range 531 kHz to 1602 kHz (9 kHz step) -
Page 4: Protection Of Eyes From Laser Beam During Servicing
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING -1/1 CAUTION This set employs laser. Therefore, be sure to follow carefully 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 5: Note On Before Starting Repair
NOTE ON BEFORE STARTING REPAIR -1/2 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 6 NOTE ON BEFORE STARTING REPAIR -2/2 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.
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Page 7: Accessories Parts List
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL CX-SNR10 CX-SNR12 VSC2 VSC2 O AS1001 8C-NFA-927-010 IB,V(ER)BF NSX-R10 O AS1001 8C-NFA-937-010 IB,V(ER)BF NSX-R12 O AS1002 8C-NF8-702-110 RC UNIT,RC-CAS03(VS) O AS1003 87-A92-345-110 ANT,WIRE FM(SEMI-ST) O AS1004 87-006-225-110 ANT,LOOP ANT NC2... -
Page 8: Electrical Parts List - 1/14
ELECTRICAL PARTS LIST - 1/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. - Page 9 ELECTRICAL PARTS LIST - 2/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 10 ELECTRICAL PARTS LIST - 3/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 11 ELECTRICAL PARTS LIST - 4/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 12 ELECTRICAL PARTS LIST - 5/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 13 ELECTRICAL PARTS LIST - 6/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 14 ELECTRICAL PARTS LIST - 7/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 15 ELECTRICAL PARTS LIST - 8/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 16 ELECTRICAL PARTS LIST - 9/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 17 ELECTRICAL PARTS LIST - 10/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 18 ELECTRICAL PARTS LIST - 11/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 19 ELECTRICAL PARTS LIST - 12/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 20 ELECTRICAL PARTS LIST - 13/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
- Page 21 ELECTRICAL PARTS LIST - 14/14 • Regarding connectors, they are not stocked as they are not the initial order items. The connectors are available after they are supplied from connector manufacturers upon the order is received. CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code...
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Page 22: Transistor Illustration
TRANSISTOR ILLUSTRATION -1/1 B C E E C B E C B 2SB1342 2SA1980G 2SC5343GL 2SB1370E 2SA1981Y 2SD1933 2SC3331(T/U) E C B S D G 2SJ460 2SK360E 2SA1585SR 2SK2541 2SA1235F 2SC5477 2SC2620B 2SD1306E 2SK2158 2SC3052F 2SD1306NE07TL SRA2202S 2SC3906KR SRA2207S 2SC5345SF/S(O) -22-... -
Page 25: Schematic Diagram -3/5 (Hp Section)
SCHEMATIC DIAGRAM -3/5 (HP SECTION) -25-... -
Page 30: Schematic Diagram -5/5 (Pt Section)
SCHEMATIC DIAGRAM -5/5 (PT SECTION) PT C.B PT001 PT,CNF-A EZ AC230V 50Hz -30-... -
Page 31: Wiring -4/4 (Pt C.b)
WIRING - 4/4 (PT C.B) PT C.B AC 230V, 50Hz -31-... -
Page 32: Electrical Adjustment
ELECTRICAL ADJUSTMENT -1/6 MAIN C.B PARTS SIDE L802 L953 L952 SFR451 L907 L901 L904 SFR452 MAIN C.B PATTERN SIDE IC801 DECK C.B MOTOR -32-... - Page 33 ELECTRICAL ADJUSTMENT -2/6 <TUNER Adjustment> 1. VT Check (AM) Requirements Measuring instrument: Digital multimeter Test point: VT, GND (1) Connect the digital multimeter to VT and GND. (2) Set the unit function to AM, and adjust the receiving frequency to 1,602 kHz. (3) Check that the digital multimeter indicates 8.5 V or below.
- Page 34 ELECTRICAL ADJUSTMENT -3/6 5. Tracking Adjustment Requirements: Same as Item 4. Adjustment point: L952 / L953 (1) Adjust the S.S.G. setting to AM; carrier at 999 kHz with 30% modulation, and source at 1 kHz, position output at maximum. (2) Adjust the unit to AM 999 kHz. (3) While monitoring the 1 kHz waveform through oscilloscope, decrease the S.S.G.
- Page 35 ELECTRICAL ADJUSTMENT -4/6 <Deck Section> 10.Tape Speed Adjustment (DECK 2) Requirements Measuring instruments: Wow-flutter meter (frequency counter) Test tape: TTA-100 (3 kHz) Test point: HP OUT Adjustment point: DECK MOTOR SFR (1) Connect the HP OUT terminal of the unit to the wow-flutter meter. (2) Insert the test tape (TTA-100) to DECK 2.
- Page 36 ELECTRICAL ADJUSTMENT -5/6 15.Playback Sensitivity Check (DECK 1, DECK 2) Requirements Measuring instrument: Millivoltmeter Test tape: TTA-200 (400 Hz) Test point: TP8 (Lch), TP9 (Rch) (1) Connect the CH1 of millivoltmeter to TP8 (Lch) and the CH2 to TP9 (Rch). (2) Insert the test tape (TTA-200) to DECK 1 to playback.
- Page 37 ELECTRICAL ADJUSTMENT -6/6 <Front Section> FRONT C.B PA TTERN SIDE KSCAN FRONT C.B PA RTS SIDE L951 18. Clock Adjustment Requirement FREQUENCY CO UNTER Measuring instrument: Frequency counter Test point: CLOCK, GND Adjustment point: L951 CLOCK (1) While pressing and holding down the POWER button and the UP button, insert the AC plug. (2) Adjust L951 so that the frequency counter indicates 72.743 ±...
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Page 38: Cd Test Mode
CD TEST MODE -1/1 1. Starting CD Test Mode While pressing and holding down the CD OPEN/CLOSE button, insert the AC plug to outlet. When test mode starts, the message, TEST appears on the display. 2. Exiting CD Test Mode Press the other function button, POWER button or remove the AC plug from outlet. -
Page 40: Ic Block Diagram
IC BLOCK DIAGRAM -1/2 IC, LC72131D-N C, BD3881FV -40-... - Page 41 IC BLOCK DIAGRAM -2/2 IC, LA1845N-A -41-...
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Page 42: Ic Description
IC DESCRIPTION -1/1 (μPD780226GF-033-3BA) -1/2 Pin Name Pin No. Description O-MOTOR DECK motor output. O-SOL1 DECK1 solenoid output. O-SOL2 DECK2 solenoid output. O-STBY LED Standby LED output. (Not used) O-MUTE System mute ON/OFF output. O-KSCAN Key scan timing output. O-PLL_CE PLL chip enable output for LC72131D-N. - Page 43 IC DESCRIPTION -1/1 (μPD780226GF-033-3BA) -2/2 Pin Name Description Pin No. I-SPEANA_1 A/D input for spectrum analyser level display. I-SPEANA_2 A/D input for spectrum analyser level display. I-SPEANA_3 A/D input for spectrum analyser level display. I-KEY 1 Key A/D input 1. I-KEY 2 Key A/D input 2.
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Page 45: Mechanical Parts List
88-908-301-110 FF-CABLE,8P 1.25 300MM O MC1030 88-911-101-110 FF-CABLE,11P 1.25 100MM O MC1031 8A-NFA-208-010 GUIDE,FL 100-25 ANFA X MC1032 8C-NFA-621-010 PWB,FRONT CNF-A B/F O MC1033 87-B00-002-010 BADGE,AIWA 30 ABS SIL O MC1034 8C-NFA-009-010 PANEL,TRAY CX-SNR10 CX-SNR12 VSC2 VSC2 X MC1035 M8-BZG-29R-070 BZG-2 ZD9GNC2... -
Page 46: Color Name Table
COLOR NAME TABLE -1/1 Basic color symbol Color Basic color symbol Color Basic color symbol Color Black Cream Orange Green Gray Blue Transparent Blue Gold Pink Silver Titan Silver Brown Violet White Transparent White Yellow Transparent Yellow Metallic Blue Light Blue Transparent Green Dark Blue Transparent Orange... -
Page 48: Tape Mechanism Parts List
TAPE MECHANISM PARTS LIST -1/1 <CMAT6Z2(1+1)ALPS> = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. -
Page 49: General Speaker Disassembly Instructions (For Reference)
GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) -1/1 Type.1 Type.4 TOOLS Insert a flat-bladed screwdriver into the position indicated by the arrows and remove the panel. Remove the screws of each speaker Plastic head hammer unit and then remove the speaker units. ) flat head screwdriver Cut chisel How to Remove the PANEL, FR... -
Page 50: Speaker Parts List (Sx-Nr10)
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL SX-SNR10 YS1N O SP1001 8A-NSJ-006-010 BADGE,AIWA S35 O SP1002 8C-NSA-001-010 GRILLE,FRAME ASSY X SP1003 8C-NSA-002-010 GRILLE,FRAME O SP1004 8C-NSA-003-010 PANEL,BA DUCT O SP1005... -
Page 51: Other Parts List
OTHER PARTS LIST -1/1 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. - Page 52 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 0251431...
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