Aiwa HS-TX506 Service Manual page 14

ADJUSTMENT
A MAIN C.B
SFR 51<EXCEPT YH>
<RADIO SECTION>
1. AM IF Adjustment
L105 ................................................................................... 450kHz
2. AM Tracking Adjustment
L101 ................................................................................. 630kHz
VC101 ............................................................................. 1440kHz
3. FM VT Adjustment
Settings: • Test point
Adjustment location ............................................................... L103
Method: Set to FM 76MHz, and adjust L103 so that the test
point becomes 1.0V ± 0.1V. Then set to FM108.1MHz
and check that the test point is 9V +1V/-2V.
4. FM Tracking Adjustment
L102 .................................................................................. 76MHz
5
SFR 52<YH ONLY>
TP1 (VT)
1
L105
L 102
4
<TAPE PLAYER SECTION>
5. Tape Speed Adjustment
Settings: • Test tape :
• Test point :
• Adjustment location : SFR51
• Super Bass:
• Tape select:
• Volume:
Method: Play back the test tape and adjust SFR51 for
3000Hz ± 10Hz (FWD) and 3000Hz ± 20Hz
(REV). Then confirm WOW is less than 0.50%.
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2
L 101
(BAR ANTENNA)
J001
PHONES
L 103
VR 001
VC 101
* Other side of P.C.B
2
TTA–100
PHONES (J001)
OFF
NORM
Non-clip (MAX-10dB
down)
3