Related Manuals for Aiwa NSX-R72
Summary of Contents for Aiwa NSX-R72
- Page 1 NSX-R72 V(S) SERVICE MANUAL BASIC TAPE MECHANISM : 6ZM-3 PR4NM1 CD STEREO SYSTEM BASIC CD MECHANISM : BZG-5 ZD5GNDM1 REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER NSX-R72 CX-NR70 SX-NR70 RC-CAS01 S/M Code No. 09-028-452-3N5...
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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 HOW TO ADJUST THE ROTATING PHASE OF THE GEAR, MAIN CAM ................. 5 NOTE ON BEFORE STARTING REPAIR ........................ 6 ~ 7 ACCESSORIES PARTS LIST .............................. 8 ELECTRICAL PARTS LIST ............................ -
Page 3: Specifications
SPECIFICATIONS -1/1 MAIN UNIT CX-NR72 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: How To Adjust The Rotating Phase Of The Gear, Main Cam
HOW TO ADJUST THE ROTATING PHASE OF THE GEAR, MAIN CAM -1/1 1) Push down the hooking catch of the CHAS. MECH, and remove the TRAY. 2) Align the arrow mark of the Gear, Main Cam with the black round mark of the CHAS, MECHA as shown below. 3) Confirm that the Slide, Mech Cam is located in the right position, then insert the TRAY gently. -
Page 6: 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 7 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 8: 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-SNR72 VSM1 O AS1001 8C-NF6-907-010 IB,V(ER)M NSX-R72 O AS1002 8B-NF1-701-210 RC UNIT,CAS01 O AS1003 87-A92-345-110 ANT,WIRE FM(SEMI-ST) O AS1004 87-006-225-110 ANT,LOOP ANT NC2... -
Page 9: Electrical Parts List - 1/17
ELECTRICAL PARTS LIST - 1/17 = ! 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 - 2/17 = ! 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 - 3/17 = ! 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 - 4/17 = ! 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 - 5/17 = ! 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 - 6/17 = ! 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 - 7/17 = ! 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 - 8/17 = ! 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 - 9/17 = ! 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 - 10/17 = ! 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 - 11/17 = ! 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 - 12/17 = ! 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 - 13/17 = ! 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 22 ELECTRICAL PARTS LIST - 14/17 = ! 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 23 ELECTRICAL PARTS LIST - 15/17 = ! 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 24 ELECTRICAL PARTS LIST - 16/17 = ! 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.
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Page 25: Chip Resistor Part Code
ELECTRICAL PARTS LIST - 17/17 • 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... -
Page 26: Transistor Illustration
TRANSISTOR ILLUSTRATION -1/1 E C B E C B E C B B C E 2SB1370E 2SA1296GR 2SA1980G 2SB1686 2SA1981Y 2SD2642 2SC3331(T/U) 2SC5343Y E C B G D S S D G 2N5551C 2SK3053 2SJ460 2SK2541 2SK360E 2SK2158 DTC114YKA 2SA1235F SBT5401 2SC2620B SBT5551... -
Page 30: Schematic Diagram -3/6 (Hp Section)
SCHEMATIC DIAGRAM -3/6 (HP SECTION) WH201 J201 -30-... -
Page 35: Schematic Diagram -5/6 (Pt Section)
SCHEMATIC DIAGRAM -5/6 (PT SECTION) PT C.B PT001 PT, CNF-6 EZ AC36.4 AC17.5V AC2.3V 0/5.0V 0.1 16 ZF RELAY, AC 12V PT,SUB BMA E (VRK) AC 230V, 50Hz AC CORD ASSY, HS TS -35-... -
Page 36: Wiring -4/5 (Pt C.b)
WIRING - 4/5 (PT C.B) PT C.B C085 PT001 WH081 (W099) D082 D083 RY081 PT081 T081 T082 W001 AC230V 50Hz -36-... -
Page 39: Waveforms
WAVEFORMS -1/1 VOLT/DIV: 500 mV VOLT/DIV: 1 V IC201 Pin 1 (Vo3-) IC101 Pin 66 (RES) TIME/DIV: 200 ms TIME/DIV: 10 ms IC201 Pin 2 (Vo3+) IC101 Pin 68 (VDD5) IC101 Pin 48 (XOUT) 1.6Vp-p 5.2Vp-p 6Vp-p 1.6Vp-p 1.2Vp-p Between CN202 Pin 1 and 2 VOLT/DIV: 1 V (Pin 2 : 0 Level) TIME/DIV: 200 ms... -
Page 40: Electrical Adjustment
ELECTRICAL ADJUSTMENT -1/7 <TUNER/DECK Section> AIN C.B (PARTS SIDE) L802 L953 L901 SFR452 SFR451 L907 J203 MAIN C.B (PATTERN SIDE) IC801 R962 DECK C.B SFR1 -40-... - Page 41 ELECTRICAL ADJUSTMENT -2/7 <TUNER Adjustment> 1. VT Check (AM) Requirements • Measuring instrument: Digital multimeter Test points: VT, GND 1) Connect the digital multimeter between VT and GND. 2) Set the function to AM, and tune the receiving frequency of the unit at 1,602 kHz. 3) Check that the digital multimeter ranges under 9 V.
- Page 42 ELECTRICAL ADJUSTMENT -3/7 <AM Adjustment> Make the following preparations for AM adjustment. Preparations • Standard Signal Generator (S.S.G.) / Loop antenna / Oscilloscope / Millivoltmeter / Dummy resistance (6Ω) 1) Connect the unit and measuring instruments as shown in the diagram below. 2) Position the loop antenna connected to S.S.G.
- Page 43 ELECTRICAL ADJUSTMENT -4/7 <FM Adjustment> Make the following preparations for FM adjustment. Preparations • Standard Signal Generator (S.S.G.) / Loop antenna / Oscilloscope / Millivoltmeter / Dummy resistance (6Ω) 1) Connect the unit and measuring instruments as shown in the diagram below. 2) Connect the output of S.S.G.
- Page 44 ELECTRICAL ADJUSTMENT -5/7 <DECK Section> 10. Tape Speed Adjustment (DECK 2) Requirements • Measuring instrument: Wow and flutter meter (frequency counter) Test tape: TTA-100 (3 kHz) Test point: HP OUT Adjustment point: SFR1 1) Connect the wow and flutter meter to HP OUT of the unit. 2) Insert the test tape (TTA-100) to DECK 2.
- Page 45 ELECTRICAL ADJUSTMENT -6/7 15. Playback Sensitivity Check (DECK 1 and DECK 2) Requirements • Measuring instrument: Millivoltmeter Test tape: TTA-200 (400 Hz) Test points: TP8 (Lch), TP9 (Rch) 1) Connect CH1 of the millivoltmeter to TP8 (Lch) and CH2 to TP9 (Rch). 2) Insert the test tape (TTA-200) to DECK 1 and play back.
- Page 46 ELECTRICAL ADJUSTMENT -7/7 <FRONT Section> FRONT C.B PATTERN SIDE CLOCK FRONT C.B PARTS SIDE L951 18. Clock Adjustment Requirements • Measuring instrument: Frequency counter Test point: CLOCK, GND Adjustment point: L951 1) While pressing the FF and POWER button, insert the AC plug to the outlet. 2) Adjust L951 so that the frequency counter indicates the frequency level within 84.804 ±...
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Page 47: 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 key, POWER button or remove the AC plug from outlet. -
Page 51: Ic Description
IC DESCRIPTION -1/2 (μPD780226GF-034-3BA) -1/2 Pin No. Pin Name Description O-MOTOR DECK MOTOR output. O-SOL1 DECK SOL1 output. O-SOL2 DECK SOL2 output. O-LED_STB STB output for shift registor. O-MUTE MUTE output. O-KSCAN Initial scan output. O-PLL_CE TUNER chip enable output. I-TM_BASE Reference clock input for clock. - Page 52 IC DESCRIPTION -1/2 (μPD780226GF-034-3BA) -2/2 Pin No. Pin Name Description I-CDSW CD mechanism SW input. I-SPEANA_1 Input spectrum analyzer DATA (Low Frequency). I-SPEANA_2 Input spectrum analyzer DATA (Middle Frequency). I-SPEANA_3 Input spectrum analyzer DATA (High Frequency). I-KEY1 Key input 1. I-KEY2 Key input 2.
- Page 53 IC DESCRIPTION -2/2 (LC78646E)-1/3 Pin No. Pin Name Description SLCO Control output. SLCIST Slice level control SLCO output current adjustment resistor connection pin. EFMIN RF signal input pin. RF monitor pin. RFVDD – RF power supply pin. RFVSS – RF ground pin. Must be connected to 0V. FIN1 A+C signal input pin.
- Page 54 IC DESCRIPTION -2/2 (LC78646E)-2/3 Pin No. Pin Name Description LVDD – Lchannel power supply pin. LCHO L channel D/A converter L channel output pin. LVSS – L channel ground pin. Must be connected to 0V. RVSS – R channel ground pin. Must be connected to 0V. RCHO R channel D/A converter R channel output pin.
- Page 55 IC DESCRIPTION -2/2 (LC78646E)-3/3 Pin No. Pin Name Description 73, 74 PD01, 2 Phase comparison output pin 1, 2 to control built-in VCO. VVSS – Built -in VCO GND pin. Must always be connected to 0V. PCKIST Resistor connection pin to set current for PD01 and 02 outputs. VVDD –...
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Page 57: Mechanical Parts List
88-904-201-110 FF-CABLE,4P 1.25 O MC1036 8B-NF9-207-010 GUIDE,FL 90.2-20 O MC1037 8A-NF8-206-010 HLDR,PWB M O MC1038 8B-NF1-013-010 PANEL,TRAY O MC1039 87-CE3-023-010 BADGE,AIWA 30N SILV O MC1040 88-906-251-110 FF-CABLE,6P 1.25 CX-SNR72 VSM1 O MC1041 8C-NF6-020-010 CABI,REAR VSM NR72 O MC1042 8B-NF1-203-010 HLDR,PWB PT... -
Page 58: 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 60: Tape Mechanism Parts List <6Zm-3 Pr4Nm1
TAPE MECHANISM PARTS LIST -1/2 <6ZM-3 PR4NM1> = ! 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 61 TAPE MECHANISM PARTS LIST -2/2 <6ZM-3 PR4NM1> = ! 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.
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Page 62: Cd Mechanism Exploded View
CD MECHANISM EXPLODED VIEW -1/1 <BZG-5 ZD5GNDM1> LED 601 -62-... -
Page 63: Cd Mechanism Parts List
CD MECHANISM PARTS LIST -1/1 <BZG-5 ZD5GNDM1> = ! 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 64: 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 65: Speaker Parts List (Sx-Nr70)
UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL SX-SNR70 YS1N O SP1001 88-NSK-610-010 SPKR, CERAMIC ASSY O SP1002 8A-NSJ-006-110 BADGE,AIWA S35 X SP1003 8B-NSA-003-010 PANEL,BA R X SP1004 8B-NSA-004-010 PANEL,BA L O SP1005 8B-NSH-612-110 CORD,SPKR O SP1006 8B-NSK-604-010 SPKR, T 60... -
Page 66: Other Parts List
OTHER PARTS LIST -1/3 = ! 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 67 OTHER PARTS LIST -2/3 <6ZM-3 PR4NM1> = ! 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 68 OTHER PARTS LIST -3/3 <BZG-5 ZD5GNDM1> = ! 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 69 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 0251431...
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