Page 1: ...virtuallycontinuous track to trackrecording canbe made Threetypes of high impedance input connections with push button selection are avallable Two recordingand twoerasing headsare used offset forthe...
Page 2: ...60 cpe AC only 1l 110 12 150 200 220 and 240 volts Approximately 65 watts Fuseg 5 x 20 mm Din 415 1 surge resisting AC fuses l1 volts I 6 amps 150 volts l _ amps 200 240 volts l 0 amp Microphonel l 5...
Page 3: ...the disc forward A white fietd indicates the on positlon a red fleld the off posltion of the particular input selectlon The input selector does not function during playback Volume Control 0n Off Swit...
Page 4: ...fire Playback button places the recorder in the Playback position PAGE 4 Track ll Button The Track II button starts the recorder operating on Track II with the tape moving from right to left The reco...
Page 5: ...ile the tubes warm up the recorder is ready to record or playback To Record from Microphone l Depress Track I button 2 Depress the small Safety button on the left of the Recording button and then depr...
Page 6: ...n PAGE 6 To Record a Telephone Conversation The Grundig TelephoneAdaptor 243T is a small coil htdden in a plastic case Thls coll picks up the magnetic field from the coils wtrich form part of alt tele...
Page 7: ...o another sequence Annormcements etc may be in serted between selections Unused sections of tape can be spliced for re use 2 Forbestresults cuttape at aslight diagonal join ends with splicingtape on t...
Page 8: ...ive capstan lts surface should always look highly polished El ectromagnetic Cl utches Clutch components or the complete clutch as semblymay beeasily adjusted or replaced However faults must be correct...
Page 9: ...ead of the head The potential drop across this resistor should be 200 millivolts 10 If the current differs considerably from this fTgure adjust Cl8 for Track II and CI6 for Track I The erase voltage t...
Page 10: ...e heads should be inspected and any dirt or iron oxide should be carefully removed Removal is best done with a match or orange stick and perhaps with methylated spirits Never use carbontetrachlorideor...
Page 11: ...ge of reel o tF et lo 96 i OD GJL r5 dfl 6 gs Sl F la 1 2 l 2 3 Reel warped Tape guides out of aligrment Clutches improperly adjusted Replace reel Realign tape guides 3 See Electromagnetic Clutches un...
Page 12: ...as osclllator 2 Faulty erasing head 21 1 Check and replace 2 Replace erasing head 21 Cross talk from other channel l Recordlng head or erase head gap not correctly adjusted tape not guided horizontall...
Page 13: ...at 51 000 cps Ln 3 3 4 ips position t Absorption coil L2 improperly adjusted Recording made with gap of recording head in different position Worn head Dirty head See Absorption Coil under Adjustmentst...
Page 14: ...pex Window For Tape Counter Perspex Wtndow For Input Selector Ref No Part No Descriptlon 46 47 48 49 50 5r 52 53 54 55 56 57 58 59 60 6I 162 lee lo t65 loo loz 1 los lzo lzr lzz I lzs 74 5 76 77 78 9...
Page 15: ...F MECHANISM WITH TOP PLATE REMOVED t41l d t 1 r 5 B R ltG t ry ff I2AX E 195 EL 6267 TOP VIEW OF MECHANISM WITH TOP PLATE FRAME ASS Y REMOVED o tV a2 GrE 96 oD Gf t F5 fl 6 gs tr lll F UI 1 C E7 m n r...
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Page 17: ...Ir J a So 6 P na d r E e6 5 O D t E9 E 6 i ht A b aQ S R O 5E H JF J a H trl T1 o U ril n rt ffi E ru s v PAGE 17...
Page 18: ...f the Indicator Tube V3 iust begintotouch Record and measurethe thirdharmonic distortion content onplayback bynieans of a Distortion meter The reading obtained should be 4 l with a maximum difference...
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