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Bose AV28 User Manual

Bose AV28
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37
9. FM Stereo Threshold Adjustment, TAP
9.1 Issue the TAP command TF.
9.2 Set the RF generator to 98.1 MHz, 1 kHz
stereo L= -R modulation, 10% pilot, 75 kHz
deviation, 40 dBf, at the unit’s FM antenna
input, J102.
9.3 Issue the TAP command T5.
9.4 Increase the RF generator output to 45
dBf. Verify there is a 1 kHz signal at the
record output.
9.5 Decrease the RF generator level to 35
dBf. Verify there is no signal at the record
output.
9.6 Issue the TAP command TB. This will
save the adjustment into FLASH.
Adjustment/Performance Verification Procedures
Input
Frequency
Input
A mplitude
Detector
Output
60 Hz 200 mVrms <.8Vrms
15.75 kHz 30 mVrms >2.5 Vrms
31.5 kHz 30 mVrms >2.5Vrms
10. TV ON Detector Verification
10.1 Apply a signal to the TV Sensor input
J105 pin 2 at the level and frequency listed in
the following table.
Note: The signal should be applied to the ring
of a 3.5 mm jack.
10.2 Measure the output of the detector,
U303 pin 8, at J103 pin 19.
Note: Off <.8Vrms, On >2.5Vrms. Settling
time is .1 seconds to turn on, 2.0 seconds to
turn off.

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Bose AV28 Specifications

General IconGeneral
TypeDVD player
Progressive ScanYes
Remote ControlYes
UpscalingNo
Playable Media FormatDVD, CD, MP3
Video OutputComponent, Composite, S-Video
Audio OutputDigital Optical, Digital Coaxial

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