Aiwa HS-TS300 Service Manual page 7

ADJUSTMENT
A MAIN C.B
P HEAD
<TUNER SECTION>
1. AM IF Adjustment
L105 ...................................................................... 455 kHz
2. AM Frequency range Adjustment
L104 ........................................................ 517 kHz ± 5 kHz
TC104 ........................................ 1770 kHz ± 7 kHz <YL>
TC104 .................................. 1670 kHz ± 7 kHz <YH,YJ>
3. AM Tracking Adjustment
L101 ...................................................................... 600 kHz
TC101 ................................................................. 1400 kHz
4. FM Frequency range Adjustment
L103 ................................................ 87.0 MHz ± 0.1 MHz
TC103 ................................ 109.0 MHz ± 0.1 MHz <YL>
TC103 .......................... 108.8 MHz ± 0.1 MHz <YH,YJ>
5. FM Tracking Adjustment
L102 ................................................................... 88.0 MHz
TC102 .............................................................. 108.0 MHz
IC1
SFR51
SFR 1
6
FWD
7
L105
5
1
L101
(BAR ANT)
BAR ANT
<TAPE PLAYER SECTION>
6. Tape Speed Adjustment
Settings : • Test tape :
• Test point :
• Volume :
• Function :
• Adjustment location : SFR51
Method : Play back the test tape and adjust SFR51 so that
the frequency becomes 3000 Hz ± 10 Hz(FWD).
Then confirm WOW is less than 0.50%.
7. Head Azimuth Adjustment
settings : • Test tape :
• Test point :
• Volume :
• Function :
• S-BASS :
• Adjustment location : Head azimuth
Method : Play back the 8 kHz signal of the test tape and
adjust the screw so that the output becomes
maximum.
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VR1
VOLUME
L104
PVC101 PVC1
L102
TC101
TC104
TC102
L103
TC103
PHONES
J1
4 6 7
3
TTA–100 (Tape center)
PHONES JACK (J1)
NON-CLIP (MAX-10dB)
TAPE
TTA – 330 / TTA – 420
PHONES JACK (J1)
MAX
TAPE
OFF
adjustment screw
2
3
2