Aiwa HS-TX506, Руководство по обслуживанию

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ADJUSTMENT
<RADIO SECTION>
1. AM IF Adjustment
L105 ................................................................................... 450kHz
2. AM Tracking Adjustment
L101 ................................................................................. 630kHz
VC101 ............................................................................. 1440kHz
3. FM VT Adjustment
Settings: • Test point TP1 (VT)
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
<TAPE PLAYER SECTION>
5. Tape Speed Adjustment
Settings: • Test tape : TTA–100
• Test point : PHONES (J001)
• Adjustment location : SFR51
• Super Bass:
OFF
• Tape select: NORM
• Volume: Non-clip (MAX-10dB
down)
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%.
– 14 –
A MAIN C.B
L105
L 103
L 102
VC 101
TP1(VT)
1
5
J001
SFR 51<EXCEPT YH>
L 101
2
(BAR ANTENNA)
* Other side of P.C.B
*
VR 001
3
2
4
PHONES
SFR 52<YH ONLY>