Roadstar HIF-9997 TR, Руководство по обслуживанию

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Set the TUNER/BAND button to select AM.
Set the volume control to the reference output.
AM IF ALIGNMENT
Fashion loop of several turns of wire and radiate signal into antenna of receiver.
RADIO SETTING ADJUSTMENT REMARKS
465KHz Tune Scope across T102 Adjust the
400Hz (high end ) Speaker jack Wave for best &
Modulation 1620 KHz maximum output
NOTE: Repeat this adjustment of T102 for maximum and optimal output.
AW RF ALIGNMENT
SIGNAL RADIO SETTING ADJUSTMENT REMARKS
GENERATOR
522KHz Tune to 522KHz L105 VT=1.4V +/- 0.1V
400Hz (low end). SCOPE Across
Modulation Speaker Jack
1620KHz Tune to 1620KHz TC104 VT=7.8V +/- 0.1V
400Hz (high end). Probe with r)
Modulation the R136(R=100K)
612KHz 612KHz or R133(R=100K) L108 For maximum and
and probe the GND Good output
1404KHz 1404KHz with blak wire(-) TC103 For maximum and
Good output
Notes: 1.Repeat step 1 and 2 until their optimal outputs (1.4v and 7.8v) are obtained.
2.Repeat adjustment step 3.4.Three frequency station For Sen's
≦
64dB
Set the function to the tuner position and band switch to the FM position.
Conect Signal Generator across antenna terminals.
Set the volume control to the reference output.
Set the Balance control to center position.
FM IF ALIGNMENT
Fashion loop of several turns of wire and radiate signal into antenna of receiver.
RADIO SETTING ADJUSTMENT REMARKS
10.7KHz 87.5-108MHz Scope across T101 The "S" wave for
1000Hz Any point Speaker jack Best and maximum
Modulation
NOTE: Repeat this adjustment of T102 for maximum and optimal output.
AM SECTION
SIGNAL CONNECTION
Model No.: HIF-9997TR
TITLE: ALIGNMENT PROCEDURES
Revision No.: 0
Base Model: Nil Revision Date: 2006-02-10
GENERATOR
FM SECTION
SIGNAL CONNECTION
GENERATOR
CONNECTION
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