Sennheiser BFR 1051 Brief Description page 13

No. | Measurement, | Signat input Preparations, Test point | Desired Adjuster | Remarks
adjustment settings
+ Final oscillator Pi 580-1 and
palignment 'Voscilloscope
Final tuner as6.1, 0 UPM 550-1 and
alignment oscilloscope
(supply line B)
Field strenath 8
voltage VI:
7.1 | Fleld strength RF: 30 dBpV, DC voltmeter TPS 2.1 VOC
voltage VT-B other settings as de- 30%
i scribed in 6.
jeld strenath
OE voltmeter
oltage V E R :
BV, ~ | UPM 880-1 and
RF: i
other settings as de- | oscilloscope t muted
scribed in 6, :
clockwise to max., i compare audio fre-
UPM 550 - 1 and i quencies {Ant.A
oscilloscope | and Ant.B). For
different AF output
levels: set both BFR 1051, ABGLEICHELEMENTE
signals fo7he BFR 1051, ADJ, LOCATION
same level using
VROS (A) or
: | VRO} (8). Readjust
: with VRO9 to i
.8 Vert. i
12 | Function test Set channel selector Joa 2.8 Veff Function test 3
channel 2 receiver frequency, switch to channel 2 i
proceed as de- Hf
|
scribed in 6.
NOTES:
BFR 1051 AF-B SW TP3 AF-A GND TP2 TP1 BFR 1051, MESSPUNKTE
04/93-11 BFR 1051, TEST POINTS