Westinghouse 1015X Service Manual Download Page 26 | Manualshive

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Summary of Contents for 1015X

Page 1: ...622Y 8725X RADIO SERVICE MANUAL PRICE 1 00 1936 1937 RS 250 W521X B624X W91 4Y B51 7X A N A D A W N E S T N G H O U S CANADIAN WESTINGHOUSE E W622X W914X W512Y W527X B819X W512X ts16x W813Y W511X W101...

Page 2: ...ACK BR 48 LOW b BLHR R36 RON LAC C 48 450 MAff YELLOW YELLOW D RUCK RUCK POWER CORD 4 607 RANGE SELECTOR IDO RAW SELECTOS C MQTIMI WORM i tse 6 MFD VOLUME CONTROL RI 2 5 MEG TOTAL C j iI i G D 33 DO C...

Page 3: ...000 1836 T Mfr IP MMF 0 11 55 826 56030 MU 8 066LT amM D 1 0 25 270000 181 25 000 L 0 84 1333 91M 346 3403 MAW 843 MMF 3 OSC C 51 fL0MMF 6J7 6 R 2 11 450 MMF I C 2 7400 MmF 1114 275 1 f0 51 50 Mfg 833...

Page 4: ...equipment in the standard manner to provide a frequency modulated signal and a double trace image 5 Adjust the frequency of the test oscillator until the two traces move together and overlap with thei...

Page 5: ...e further out of phase with the voltage applied across A ant WHEN RECEIVER IS INCORRECTLY TUNED IN 5 K C HIGH B and de eaas the rectified voltage scree RI2 Consequently the result ant voltage from Cto...

Page 6: ...ONLY TREBLE TONE CONTROL ANT COILS AND SWITCH RE GRID RF COILS AND SWITCH PIE si L vEllow OSC COILS AND SWITCH PIE 51 RE RANGE SWITCH CONTROL SHAFT m 19M 25 MI o o AUTO FRED sA CONTROL AUTO FREQ SW T...

Page 7: ...ld be continued until the combined action results in the maximum deflection on the output meter When adjusting oscillator circuits that nave both series and shunt trimmers it is good practice to repea...

Page 8: ...roduce no change in the reproducer output To check the operation of the A F C circuit disconnect the test oscillator set the master manual switch at manual and tune the receiver approximately 5 K C aw...

Page 9: ...the tuning motor will operate continuously if any of the buttons on the front of the cabinet corresponding to the down button on the remote control are pressed A similar result will be obtained if two...

Page 10: ...rts a pressure which may be varied by bending on the end of the motor shaft A relay bending tool equivalent to the Automatic Electric Company Chicago Illionis tool No 7066 will be found handy in bendi...

Page 11: ...EARING Y ADJUSTING PLATE B B STATION SELECTOR DRUM BEARING REVERSING SWITCH ADJUSTING NUTS TX 560926 RCA MFG GO INC CONTACT ADJUSTED __ TO CENTER OF INSULATED SEGMENT WITH KEY IN SLOT D D STATION SELE...

Page 12: ...Buttons with the small celluloid windows in front Turn the power on nd proceed to set up the electric tuning as follows 1 Set Range Selector to Broadcast 2 Turn A F C and Motor control to Button 3 Tu...

Page 13: ...AlMF RM 4T0 0N 3 2 0 AEn zrm IF _ J no 019 4RORn kia 1220N n 0 00ARO PHASE INVERTER hhrAUDIO 2 DET AVE 47oG k91 TUNING EYE 30 0000 C60 R2fWOOD Rx10N00 CN 41 4Na g26iREDE CQ5 4N IS 70E C0NTR0L 052 4600...

Page 14: ...FOR DIAL LAMPS LA M L i I tFb G D MOMMF C9 MM42 F G G G 31 M 49M BC ENO TERMINA RED W W CABLE COLOURS BLUE B CONNECTIONS GREEN FROM BROWN RED a GREEN 9 SELECTOR DI UM BLUE YELLow GREEN A YELLOW RED A...

Page 15: ...SCREW I O O n O O I F i 6 6 p5 1 _______ L_ R MVS J 1 TRANS ai PR A AD SCREW p IA K i 6L7 o I O F 1 IF OOO3K 55 a O O 7j i s mo re IA r 1 A r __ eO Y Y A 5 0 o0Ir u1 f4 2 5 o0O0 i 0 8 5 i ppp 04 9 e...

Page 16: ...0 kc 15 200 kc Manual Osc 19M L1S Max Peak 1 11 Ant Term 400 ohms 6 100 kc 6 100 kc Manual Ose 49M C8 Max IPeakl 12 Ant Term 200 mmfd 1 500 kc 1 500 kc Manual B C H F Osc C25 Max Peak 13 Ant Term 200...

Page 17: ...ore reaching the driver stage The d c voltage which results from detection of the signal is used for automatic volume control This voltage which develops across resistor R21 is applied as automatic co...

Page 18: ...M SUS 035 01 MEO ELLOW YELLOW BLACK DIAL LAMPS GANG CONDENSER 11 450 101 GREEN II 45O MM 0 M 1000 031 OI MFD IO OnOOn 1ELL0W f BLACK 0 2 YELLOW 11 45024 MMF 120 MME R48OIMD c2 0 28120 000 lANGE SELEC...

Page 19: ...0054Mr6 RT 150 00 078 O0 00 590 100 00 00 053 10 1430 500000 063 1500 MMI 11 OUTPUT 001 616 warn 834 15000 6L6 0014 570 12 inn MM I 18 Oso RI Y5110Un 4 1500 MMr 16 VI MP 0 1 100011 OSC Cj3120MAW 6J7 1...

Page 20: ...ode plate of the W 6B7 should be shown connected to ground The Wiring Diagram is correct 1 ODII D TRIMM R 26D0ABANC BLACK TRIMMER LOCATIONS also see below REPRODUCER CONNECTIONS BLMUAnw RFD a 1I1 Ma1N...

Page 21: ...L Q of 6A6 v CONNECT CATHODE RAY BETWEEN BAs CELL TCRrvr ANo CHAOSIO B PITO 2 ov eHA RMv eesH 0r 6136 QIOl eaeH S 6X5 ROTTOM VIEW OFCHASSIS CAUTION Do not attempt to measure volt age on the control g...

Page 22: ...imary winding or the medium wave secondary winding coil L 3 is used either as the broadcast secondary winding or the medium wave primary winding coil L 4 is the broadcast primary winding only The osci...

Page 23: ...o SP 56 GREEN BRED BLACK BLACK fl II TONE CONTROL X R IS 100 ODD YELLOW 20 HEATERS OF 6F6 RED YELLOW GREEN YELLOW D BRAIDED F1fllBlE LEADS IDO5Ci3 MFD 1 410100 C31MFD I IO MFD D35 ti YELL W Y LLUW RAN...

Page 24: ...he output indicator Adjust the two magnetite core screws of the second i f transformer to produce maximum peak indicated receiver output Then adjust the two magnetite core screws of the first i f tran...

Page 25: ...C 29 18 MFD LAC YELLOW BLACK I C 17 72o MMf L 10 a RJ 36000 i MEG R 15 10 MEG R v 1 A 19 01 1w VOLUME CONTROL R7 R 9 TONE CONTROL R 13 C Z C 3 ANT COIL 911 OF ANT SECTION OF TUNING 1BLACK CONDENSER GR...

Page 26: ...AVC r DIAL LAMPS LACK BLACK Rah TONE CONTROL YELLOW 3 O R 5Z4 RECT BROWN RE PWR SP K R CABLE CABLE E N yP ieG3 lb 16 6F6 JTPUT LDW ANT I GND COIL j 3 1 L LJ 1 3 BLACK L 3 GND ELLO 1 1 _ 1M t BUS BUS...

Page 27: ...eck for image at 16 080 kc R F sgoll System Model 527 The W 6A8 Radiotron in this receiver acts as both first detector and oscillator Separate coil assemblies are provided for each function The antenn...

Page 28: ...actic to repeat the adjustment on the oscillator shunt trimmer after making the adjustment on the oscillator series trimmer On some tuning ranges it is found that more than one peak may be secured if...

Page 29: ...1 1 G BLAC_U11A PWR TRANSE AROO L 30 r a 4yn t E 5Z4 RECT RE m ARDO VELLO 6F6 OUTPUT D BLACK BLACK NOTE COILS ATTACHED TO SWITCH PIES L2 TO L 2 La TOL O ETC PIES SHOWN IN B C POSITION VELLO t 2 CAPACI...

Page 30: ...0 V 10 MFD 475 v 260 v 1 4v CONNECT CATHODE RAT 1_izo OSCILLOGRAPH I M ADAPTER HERE F PRIM ADJ SCREW 460 K C 18 MFD 10 MFD 300 v 350 v t v _ _ i O MA GA v 0 v 10 25 M A e9g 260 4 MA 1 25 MA 6A8 110 22...

Page 31: ...he pointer to the angle of the border line of the dial immediately below the 530 ho calibration point with the two gang tuning condenser in full mesh The output indicator should be left connected to t...

Page 32: ...d make the con nection shown by the heavy black line C8G D37 OSMIO 005M0 0 9 100 090s InMt MEUfRW lzntG 1061 32 110 5 Schematic Circuit Diagram Note On later production the heater winding is grounded...

Page 33: ...5 rr UYJ 120 MMF W U 0E w I M P i 1 ri 23 g I rr O O L 6 400 6AB lb 4SC a L 3 L Y LL S W WA4 COIL SW PIE Ljs e A f 3 LA l _ I u A K J GND 3 RIP 1yy G D y i _ oWN 3 6 r TROi _AF111D 7 y 6F5 AUDIO C 32...

Page 34: ...ck for image at 17 080 kc Trimmer Locations AT RIGHT also see Socket Meter Reading Diagram Socket Meter Readings BELOW The meter readings given in the diagram are taken with the antenna and ground bin...

Page 35: ...led on a chassis from the first production run The second production run included some chassis which had a 60 cycle only power transformer These are so marked on the chassis serial plate This power tr...

Page 36: ...K7 0RO ar r 0 aMA la O u r ask ADJUST 1nb21a1 F ROSE XRIM bSEC ar YZIg i TO 460 KC SEC Aal SC ON TOP 53 a9 6T ar 55a4 oar 45165 a x6 1 O ar 6aDRC SERIES TRIMMER U 461 aR ow i sprarrrAAA re of oMssT a...

Page 37: ...6 000 TONE CONTROL a27100 000 t _ riFfT__L c TUMBLE 11 15E0 U 05 0 Do 56 RANGE SELECTOR SEE RIME SELECTOR ECM DIWRN 10 Se1TCK ti0 6REEN uWf TO E6 0 YELLOW i YELLOW cm 3 Iro 56000 TOS An 250 000 o 170...

Page 38: ...Covers 1924 to 1935 Models You Should Have a Copy Price 1 00 640 64A W255A A N A D I A W N E S T N G O Us E CANA OIAN WISTINGNOUSS 527A B725 A W511A B285 A 54C B365 A 155A 540 e W521A 8624A 823A B265...

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