Grundig Satellit 2400, Service Manual

Page 1: ... be adjusted with the aid of sufficiently accurate instrument e g GRUNDIG DM 44 and the given voltages should be kept within the stated tolerances I Adjustment of the Operating Points No signal AM button pressed range switch on KW1 U8 9V 1 Adjust the emitter current of T 502 with R 504 so that the voltage drop across R506 is 1 3V 2 The control voltage at PIN 9 of IC 401 is set to 0 15V with the re...

Page 2: ...rol of the 2nd oscillator in connection with the counter Feed in 6 200 MHz to K2 with approx 100uV at the base of the telescopic antenna ground St V 801 4 and set the receiver to 7 740 kHz with the tuning knob At this frequency there must be maximum deflection on reader otherwise adjust with C 459 or L 405 After removing the ground bridge the counter must show 6 200 MHz tolerance 2 kHz 5 Adjustmen...

Page 3: ...n input voltage of 1 mV with R 371 c Muting Muting switch pressed Feed in signal of 5 uV at the antenna input at 88 MHz Open R 366 until the signal can be heard Then slowly turn back the same controller until the still tuning muting switches d Checking the discriminator zero crossing and the frequency display After the HF adjustment has been carried out with an input voltage U9 100 uV and f 88 000...

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