Grundig 3048 TB Schematic

Page 1

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GRUNDIG Repair Manual

3048 W / 3048 Ph
3048 TB/6055 WE

IF Alignmenl 468 kc

Hum: conlrol closed: 0.4. . , 1 mV

conirol open: 1 . . i 3 mV

Wuve range, liming

Coupling of Signal

condenser posilion Generalor Alignmenl Remarks
Please udjusl me coil lm al lha variable IF
5° "F on (i) and (Il lranslormer in such a posiiian lhalihe dusl iron
grld 1 Maximum core ls onlhe level wllh lhe lower edge loe
sw I 5" 4 melal screen when iuned lo lhe posilion "full
bandwldih.
wens. Always align in posilion "small bandwidln",
med '" Selecliviiy on I Mc on posilion "small" approx.
50 if 0" (3) and i4) lzlao.
9" ' Maximum Bandwiuln on pasilian .smull" approx. 2,5 kc.
ECH 2 on posilion "broad approx. 8 kc.
MW phanlom aerial lo 5 Memo. '
condenser aerial and ground Minimum Ludwig dep'h approx H15
luned in 506W

Oscillalor and precircuil (will. ahanlam aerial la me aerial and ground sedan

Wave range, Oscillaling Sensmvny [ma 8
frequency, lndicaior Oscillalor Precircuil Currenl it A salad?! Remarks
posillon p A Y
SW n 13.5 Mc (5) Maximum (7) inl. Maximum am 15 1:45
I 21,5 Mc (6) Maximum (1) Maximum 310 1° :5 Please adjusi indicalar on
2 Mc mark when condenser
is luned in.
SW " 5,5 MC (10) Maximum (ll) Maximum :50 i2 1:lo Mmsummsnmfiensmvmes
12,5 Mc (i2) Maximum (13) Maximum 340 13 I :a has been mken when bass
nale regisler was luned la
maximum and variable IF
2,2 MM (14) Maximum (15) Maximum 590 a 1 :40 coupiing (1F WWW", 5),
5w . 113.5 C) . , _
5,5 Mc (16) Maximum (l1) Maximum 390 in i :12 was luned i° 'ca' pan"
MW 550 kc (18) Maximum in) Maximum 310 7.5 1 :330 '0 > h
1500 kc (20) Maximum (2i) Muxlmum 430 9.5 1:120

- lexlile cord appr, 25 inch = 640 mm
-....__ sleel cable appr. 28 inch = 710 mm