AIWA HSTA193
Manual de Servicio

ADJUSTMENT
A MAIN C.B

PRACTICAL SERVICE FIGURE
<TUNER SECTION>
<FM SECTION> Sensitivity : (IHF, THD 3%)
VR1

<TAPE SECTION>
3000Hz ± 60Hz Less than 0.50% (RMS) 35 ~ 50 g-cm (FWD, REV) More than 36 g-cm 60 ~ 170 g-cm 3 ± 1.5 g-cm (FWD, REV) More than 43dB (PB, DC) Less than 3% (PB, DC) Except YZ1: Less than 7.0mV (PB, DC, VOL MAX) YZ1: Less than 4.0mV (PB, DC, VOL MAX) 63Hz + 2/-4dB ~ 8kHz + 3/-4dB TTA� 100 TTA� 210 TTA� 320 (120µ) TTA� 330

VOLUME

L104

IC1
L102 PVC1 TC101 TC104 TC102 L103 TC103

2 3 2

Tape speed : Less than 17dB[at 88/98MHz] Wow & flutter : Less than 18dB[at 108MHz] Take-up torque : Signal to noise ratio : More than 50dB F.F torque : [at 88/98/108MHz] Rew torque : Distortion : Less than 3%[at 98MHz] Back tension : Intermediate frequency : 10.7MHz ± 0.1MHz S/N ratio : FM stereo separation : More than 16dB[at 98.0MHz] Distortion : Noise level : <AM SECTION> Sensitivity : (S/N 10dB) Less than 58dB [at 600/1000kHz] Frequency response : Less than 56dB[at 1400kHz] Test tape : Signal to noise ratio : More than 28dB[at 600kHz] More than 29dB [at 1000/1400kHz] Distortion : Less than 5%[at 1000kHz] Intermediate frequency : 455kHz ± 3kHz

SFR 1
L105 PHONES J1

IC BLOCK DIADRAM

6

1

5 3

4

67

IC, LAG668FT2

L101 BAR ANT

<TUNER SECTION>
1. AM IF Adjustment L105 ....................................................................... 455kHz 2. AM Frequency range Adjustment L104 ..................................................... 515 ± 5kHz<YZ1> L104 ........................................ 517 ± 5kHz<YU,YL,YL1> TC104 .............................................. 1670 ± 10kHz<YZ1> TC104 ................................. 1775 ± 10kHz<YU,YL,YL1> 3 AM Tracking Adjustment L101 ....................................................................... 600kHz TC101 .................................................................. 1400kHz

<TAPE PLAYER SECTION>
6. Tape Speed Adjustment Settings : � Test tape : TTA�100 (TAPE CENTRE) � Test point : PHONES JACK (J1) � Volume : NON-CLIP (MAX-10dB) � Tape/Radio : TAPE � Tape select : NORM � Adjustment location : SFR1 Method : Play back the test tape and adjust for 3000Hz ± 15Hz.

4. FM Frequency range Adjustment L103 ................................. 87.0 ± 0.1MHz <YU,YL,YL1> L103 ............................................. 87.4 ± 0.1 MHz <YZ1> TC103 ............................ 109.0 ± 0.1MHz <YU,YL,YL1> TC103 ......................................... 108.3 ± 0.1MHz <YZ1> 5. FM Tracking Adjustment L102 .................................................................... 88.0MHz TC102 ............................................................... 108.0MHz

7. Head Azimuth Adjustment settings : � Test tape : TTA�330 � Test point : PHONES JACK (J1) � Volume : MAX � Tape/Radio : TAPE � Tape select : NORM � Adjustment location : Head azimuth adjustment screw Method : Play back the 8kHz signal of the test tape and adjust so that the output becomes maximum.

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