Arcam Delta80 tun sm
This is the 19 pages manual for Arcam Delta80 tun sm.
Read or download the pdf for free.
If you want to contribute, please mail your pdfs to info@audioservicemanuals.com.
Extracted text from Arcam Delta80 tun sm (Ocr-read)
Page 1
ARCAM
DELTA 80 FM/AM TUNER
SERVICE MANUAL
Page 2
DELTA 80 SERVICE MANUAL
ARCAM DELTA 80 SERVICE MANUAL
Issue 3 05/07/91 serial nos. 001-
Arcam Drawing No. H04/0007
CONTENTS
CIRCUIT DESCRIPTION ......................................... 2
FM front end ............................................ 2
FM IF stage ............................................. 2
AM section .............................................. 4
Stereo decoder ........................................... 4
Muting ................................................. 5
Digital Frequency Display .................................. 5
Frequency Counter ....................................... 6
Slgnal Strength Meter ..................................... 6
On Tune Indicator ........................................ 7
Tunlng Voltage System .................................... 7
Power Supply ............................................ 7
TEST POINTS ................................................. 8
ALIGNMENT OF TUNER ......................................... 9
Reference voltage ......................................... 9
FM IF section and stereo decoder ............................ 9
Signal Strength Meter ..................................... 10
AM Section MW .......................................... 10
AM Section LW ........................................... 11
SERVICING OPERATIONS ....................................... 12
Change of mains voltage ................................... 12
Change of de-emphasis .................................... 13
CIRCUIT DIAGRAMS ............................................ 13