Aiwa NSX-A22 Manual de Serviço Página 1

SERVICE MANUALDATANSX-R80LH(S)S/M Code No. 09-023-455-1R1BASIC TAPE MECHANISM : 2ZM-3MK2 PR7NMBASIC CD MECHANISM : BZG-5 ZD5GNM• This Service Man

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

– 2 –SPECIFICATIONS ...

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

– 23 –TRANSISTOR ILLUSTRATION2SA1235F2SC2620B2SC3052F2SC5345SF/S(O)2SD1306E2SA1980G2SA1981Y2SC3331(T/U)E C B2SA1296GRE C BDTC114YKASBT5401SBT5551

– 24 –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

– 25 –SCHEMATIC DIAGRAM – 1 (MAIN 1 / 4 / HEAD – 1 / HEAD – 2)

– 26 –SCHEMATIC DIAGRAM – 2 (MAIN 2 / 4 : TUNER SECTION)

– 27 –SCHEMATIC DIAGRAM – 3 (MAIN 3 / 4 : VF SECTION)

– 28 –SCHEMATIC DIAGRAM – 4 (MAIN 4 / 4 : FAN SECTION)

– 29 –SCHEMATIC DIAGRAM – 5 (HP)

– 3 –SPECIFICATIONS<FM tuner section>Tuning range 87.5 MHz to 108 MHzUsable sensitivity (IHF) 13.2 dBfAntenna terminal 75 ohms (unbalanced)<A

– 30 –WIRING – 2 (FRONT / CD – 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

– 31 –SCHEMATIC DIAGRAM – 6 (FRONT / DECK / CD – LED)

– 32 –WIRING – 3 (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 1ABCDEFGHIJKLMNOPQRSTU

– 33 –SCHEMATIC DIAGRAM – 7 (PT)

– 34 –WIRING – 4 (DECK / HEAD – 1 / HEAD – 2)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 1ABCDEFGHIJKLMNOPQR

– 35 –IC BLOCK DIAGRAM

– 36 –FL (HUA – 11MM42T) GRID ASSIGNMENT / ANODE CONNECTION / PIN CONNECTIONGRID ASSIGNMENT ANODE CONNECTIONPIN CONNECTION

– 37 –IC DESCRIPTIONIC, µPD780226GF-030-3BAPin No. Pin Name I/O Description1 O-MOTOR O DECK MOTOR output.2 O-SOL1 O DECK SOL1 output.3 O-SOL2 O DECK

– 38 –Pin No. Pin Name I/O Description43 I-CDSW I CD mechanism SW input.44 I-SPEANA_1 I Input spectrum analyzer DATA (Low Frequency).45 I-SPEANA_2 I I

– 39 –ADJUSTMENT (TUNER / DECK)SFR110DECK C.B (PATTERN SIDE)RVS FWDRPHMAIN C.B (PATTERN SIDE)RLGSFR452SFR451IC801241316MAIN C.B (PARTS SIDE)123

– 4 –This set employs laser. Therefore, be sure to follow carefully the instruc-tions below when servicing.WARNING!!WHEN SERVICING, DO NOT APPROACH TH

– 40 –<TUNER SECTION>1. VT Check (AM)Requirements• Measuring instrument: Digital multimeterTest points: VT, GND1) Connect the digital multimeter

– 41 –<AM Adjustment>Make the following preparations for AM adjustment.Preparations• Standard Signal Generator (S.S.G.) / Loop antenna / Oscillo

– 42 –<FM Adjustment>Make the following preparations for FM adjustment.Preparations• Standard Signal Generator (S.S.G.) / Loop antenna / Oscillo

– 43 –<DECK SECTION>10. Tape Speed Adjustment (DECK2)Requirements• Measuring instrument: Wow and flutter meter (frequency counter)Test tape: TT

– 44 –15. Playback Sensitivity Check (DECK1 and DECK2)Requirements• Measuring instrument: MillivoltmeterTest tape: TTA-200(400Hz)Test points: TP8(Lc

– 45 –CD TEST MODECD TEST MODE Ver. 3.01. Starting CD Test ModeWhile pressing and holding down the CD OPEN/CLOSE button, insert the AC plug to outlet.

– 46 –MECHANICAL EXPLODED VIEW0.00.00.20.20.40.40.60.60.80.81.01.05351515252505076345124889101112131415161718192021222325262728293233343536376564383

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

– 49 –Basic color symbol Color Basic color symbol Color Basic color symbol ColorB Black C Cream D OrangeG Green H Gray L BlueLT Transparent Blue N Gol

– 5 –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

– 50 –TAPE MECHANISM EXPLODED VIEWabab123445566787GEAR,PLAY861612511111213131414151516161717181819191920202121GEAR,PLAY2323242426282863272938602930

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

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

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 31112000068 921338

– 6 –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

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not

! = ! SAFTY PARTSC = Components markedAll components used on this model at the production line are shown in this service manual.However, please not