SERVICE MANUAL AND TECHNICAL DESCRIPTION
Contents
1. E RATE 171 ON N lt lt lt lt lt lt z lt lt zz lt zx lt s lt x 232 Order No EM 218 025 A1 EM 218 025 A1 TC 105 Tk PN 705 03 TC 517 32 32M TC 200 103 B TC 203 50 B TC 102 MI EM 218 025 A1 TC 200 e TC 101 M TC 200 50 EM 218 025 A1 TC 200 103 C TC 201 388 C TC 201 202 C TC 105 500 TC 201 200 TC 103 10k TC 102 64k TC 201 200 TC 103 10k TC 105 10k TC 101 M64 TC 105 5k TC 103 10k TC 105 5k TC 200 7 Order No PF 674 00 TR 103 32k WN 695 01 TR 103 10k TR 104 150 TR 102 20 TR 503 2k TR 101 50k TR 101 M5 TR 101 1M TR 101 MI TR 102 MI TR 101 M8 TR 101 1M TR 101 1M TR 101 50k Printed in Czechoslovakia2. i se DN as GR sss ee O TIA W So T K i 3 gt y seo We T I NO Wh W zw u i 097 4 i 104 N os S2J 69 I dE xw Jen 3 Fi 42927 027 227427 000000 000000 87 ev fe re ee ze kg 62 v St 62 bt 9 Oy re 6 EZ 9C ZE 80 e gt 22 te 6 GC vC CC 1C 7 OZ ZE 8r OL 92 y 62 82 2 Ch S SZ 9i 9 Z ey S gt gt 4 W cr 9 S e 6 e aum TOP VIEW OF CHASSIS MIIA SISSYHD 4JANN VOLTAGES AND CURRENTS AT 220 V Va Vg2 iq Ig 2 Vf Valves y V mA mA V heptode 150 s 19 48 UCHZI gt 20 triode 78 1 9 heptode 150 85 4 1 3 2 UCH 21 iin jen E gt 20 triode 55 1 UBL 21 duodiode pentode 180 150 38 5 7 55 UY 1 N half wave rectifier 200 58 50 190 V D C voltage on C 20 150 V D C voltage on C 19 VOLTAGES AND CURRENTS AT 120V Va Vg2 la Ig 2 Vf PARA V V mA mA V heptode 105 65 1 26 UCH 2 gt AA OA 20 triode 60 1 heptode 105 65 2 6 1 6 UCH 21 ski 20 triode 40 0 6 UBL 21 duodiode pentode 110 105 23 3 5 55 UY 1 N half wave rectifier 120 37 50 120 V D C voltage on C 20 105 V D C voltage on 19 Small deviations from the listed values do not indicate any fault of receiver All voltages have b
3. SERVICE MANUAL AND TECHNICAL DESCRIPTION OF THE TESLA TALISMAN 305 U RADIO RECEIVER Apply to 305 U 2 and 305 U 3 Mains switch and volume control e CIRCUIT 3 1 valve superheterodyne with six circuits for operation on A C D C mains e WAVEBANDS Short waves 16 4 51 7 m 18 3 5 8 Mc s Medium waves 187 572 m 1605 525 kc s Long waves 1000 2000 m 300 150 kc s e VALVES UCH 21 mixer and oscillator UCH 21 I F and A F amplifier UBL 21 detector and power amplifier UY 1 N half wave rectifier Two pilot lamps 6 7 V 0 3 A INTERMEDIATE FREQUENCY 425 kc s 305U and 305U 2 445 kc s 305U 3 e MAINS SUPPLY A C D C 120 and 220 V 30 100 c s Tuning Waveband switch e CONSUMPTION 32W at 120 V 45W at 220 V Primary current 220 mA 10 at 220 V e POWER OUTPUT 1 5 W at 220 W at 10 distortion 0 7 W at 120 V LOUDSPEAKER Permanent magnet moving coil diameter 100 mm spech coil limpedance approxim ately 4 2 o DIMENSIONS AND WEIGHTS Receiver Receiver incl packing Width 260 mm 300 mm Height 170 mm 205 mm Depth 150 mm incl knobs 200 mm Weight 2 80 kg 3 60 kg NLAN Xen 1Z 07 w 0002 wu 0001 tn J 3 d d CREE 8L 41 ZI 01 6 5 5 u zg w p NSOE NNSIWI CY LAN e lt ET VISIL i mo 3 3341VA saoNvaaAvA a 9 29 ROZ Ez e AO 90 ala i i w gt z N lA
4. een measured by a 1000 Q V meter RECEIVER ALIGNMENT Before alignment the receiver must be adjusted both mechanically and electrically Origi nal valves which will be used henceforward with the receiver must be inserted During alignment the receiver should be normally heated and removed from the cabinet Adjust the dial pointer drive in such a way that in both extreme positions the dial pointer should be at the same distance from the dial edge Connect output meter to secondary of output transformer directly or through a matching transformer speech coil leads earth receiver and set volume control to maximum SOE 19 19221 104 p sn si uuojsupu 4 U oq jo Ssjioo Jaddn 771 puo 771 IDid9p Awwnp cel pub W 0007 0001 ow1i0u W 0007 0001 WNWIXDPUI PEI JO yowu w 0 81 Bupi DIA 9490S s 24 091 aBuol 4 210 UOI ST PSP ol dti LC2 x winwixow pup 1 5 ipu w 007 DIJSD s 33 0051 9 ARE w 7 5 81 Awunp ut Z 5 8L Bupi ADA jOUWAOU 9BUDA ADA Le pub unipew DIA 495205 WNIPOW WNWIXDPUI Ge JO yow w 055 PRZED 24 0 G 9402 UOJI 12 i LIN WIXDUI pup Ue yiowu w Qc 500 puao s w GI r s1oll2odp25 W 0 p 91 Auunp w 15 91 Bupi ADA ADA JIOUS Bupi ADA m oys DIA J92os HOUS wnwixow puo gz jo How w gg IPHSP OF slow 9109 UOJI x joao Awwnp sss 0r1 30 w 055 Bupi Ipuuou 45 21 Spy unuluiu 9102 u
5. label PF 806 52 Bracket for F transformer PA 668 10 Loudspeaker complete PN 632 04 Cone with speech coil PF 759 04 Felt ring PA 029 03 Interleaving ring PA 265 00 Coils Value Order No Input short waves lt I o lt o PK 585 15 Input medium waves 50 0 3 Q PK 586 34 Input long waves 85 o 3830 PK 586 36 Oscillator short waves lt Q lt 7 Q PK 585 13 Oscillator medium waves 6 7 0 PK 586 30 Oscillator long waves 40 0 PK 586 32 Ist I F transformer 9 40 940 PK 854 17 2nd F transformer 940 10 Q PK 854 19 F rejector 350 PK 652 03 Output transformer PN 673 10 s0 00 NO QO AWND in R Capacitors Wire wound 25 pF Wire wound 25 pF Paper 1000 pF Variable 2 lt 400 pF Electrolytic 2x32 uF Mica 103 pF Mica 50 pF Paper 0 1 uF Wire wound 25 pF Mica l 80 pF Paper 0 1 uF Mica 50 pF Wire wound 25 pF Mica 103 pF Mica 388 pF Mica 202 pF Paper 500 pF Mico 200 pF Paper 10000 pF Paper 64000 pF Mica 200 pF Paper 10000 pF Paper 10000 pF Paper 0 64 uF Paper 5000 pF Paper 10000 pF Paper 5000 pF Mica 7 pF Resistors Wire wound 700 010 Wire wound 200 010 Carbon 32000 Q 13 Potentiometer with on off switch 0 5 O Carbon 10000 Q 13 Carbon 150 o 13 Carbon 20 Qt 13 Wire wound 2000 o 13 Carbon 50000 o 13 Carbon 0 5 Mo 13 Carbon 1MQ Carbon 0 1 Carbon 0 1 Carbon 0 8 Carbon 1 Carbon 1 MQ Carbon 50000 Q 13 FET N te ae
6. oi ADA UNIpau jo pue DIA 1994905 S 23 ZIP IDH D oj S ADA BA 19131 d uo unipew JOHIDADI J LZT ZZ1 21 w 007 Bupi 4 0000 P Isioy gyy unulxpul O DIA LZ HON TL o SADM Wnipaw jo BuluuBog 1811 a DR s 93 ZSY joubis ol EP En 194uiod bIq WC UOHDSUU0J x Aou nb 13Jj B juauysnipo indino sjusuoduio HNDI jo aduanbas SJO4JUOD J19Al9391 jo BuiH S LYVHD LNAWNOITV 104DJeuoB pubis gt Jo JepJO SPARE PARTS Item la ELECTRICAL PARTS Mechanical Parts Order No Notes Cabinet brown CP 770 50 Cabinet white PF 257 02 Cabinet red PF 257 03 Cabinet green PF 257 04 Rear panel PA 132 16 Volume control knob and tuning brown PF 243 09 Volume control knob and tuning red PF 243 13 Volume control knob and tuning green PF 243 15 Waveband switch knob brown PF 243 11 Waveband switch knob red PF 243 12 Waweband switch knob green PF 243 14 Pilot lamps Zi o 8046 P 00 305U Dial PF 157 16 305U 2 Dial PF 177 38 305U 3 Pulley CP 770 86 Dial pointer PF 165 04 Driving disc CP 770 62 Tension spring CP 770 63 ord MA 38 Pilot lamp holder 08 515 21 11 Input coil assembly PK 050 13 Oscillator coil assembly with switch PK 050 12 Waveband switch PN 533 03 Waveband switch plate with connections PK 533 07 Voltage selector plate CP 750 13 Voltage selector knob CP 770 33 Valve socket for UY 1 N 49 231 22 Valve socket for U 21 49 231 31 Aerial Earth
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