Revox B760 Sintonizador
Fabricante:
Modelo:
B760
Fecha:
0
Categoría:
Grupo:
Descripción:
Digital FM Tuner
Manual de servicio
Type manuel:
Manual de servicio
Páginas:
117
Tamaño:
83.88 Mbytes (87959593 Bytes)
Idioma:
english, german, french
Revisión:
Second edition
Manuel-ID:
18.183.1179
Fecha:
Formato:
Documento Scaneds, en parte leyendo mal, no parcialmente legible.
Fecha de subida:
2015 11 21
MD5:
58af90be7b2345bf27a338534349adfe
Descargas:
2209

Información

1. General 1-1 Switching on/station selection 1 1 I — I How to operate the station memory and the 25 kHz offset 1-2 Dolby circuit, level control and outputs 1-2 Connectors on the rear panel 1 o I — o Technical data 1-4 rv 1 1 uin tensions 1 — / 2. Dismantling 2-1 Removal of top cover 2-1 Removal of bottom plate 2-1 Removal of side panels 2-1 Removal of operating section 2-1 Removal of front panel 2-2 Replacement of indicator lamps 2-2 Replacement of meter illumination 2-2 Removal of VU-meters 2-2 Replacement of main fuse 2-3 Replacement of secondary fuses 2-3 3. Circuit description 3—1 Antenna transformer (Balun) 3-1 RF-section (front end) 3-1 I F-amplifier 3-1 FM-demodulator 3-2 Stereo decoder 3-2 Local oscillator, synthesizer 3-3 Tuning section 3-4 Digital section 3-4 Logic section 3-5 Audio section 3-5 Dolby decoder 3-6 Power supply 3-6 4. Alignment instructions 4—1 Test equipment 4-1 Additional tools and filters 4-1 Checking the supply voltages 4-2 Preparatory steps 4-3 Alignment of local oscillator and synthesizer 4—4 Alignment of RF-circuits 4-5 Alignment of I F-filters, I F-amplifier and center tuning discriminator 4-6 Alignment of stereo decoder 4—8 Calibration of signal strength meter 4-10 Adjustment of audio output voltage 4—11 5. Instructions for measuring the most important performance data 5-1 Input sensitivity 5-1 I mage response 5-2 Spurious response 5-3 Distortion 5-4 Signal to noise ratio b-4 Stereo separation (crosstalk) 5-5 Frequency response 5-5 6, Set of schematics 6-1 7. Parts list 7-1

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