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Summary of Contents for 9T57

Page 1: ...or And Inductor Identification Radio 25 Resistor And Inductor Identification TV 8 13 Schematic Radio Chassis RC1092 15 22 Schematic TV Chassis KCS49 A KCS60 4 Schematic TV Chassis KCS49AT T KCS60T 3 5 6 Tube Placement Chart TV 27 Voltage And Resistance Measurements Radio 15 22 Voltage And Resistance Measurements TV 28 o x r So o S n rj 3 Ul RECORD CHANGER UNITS 33 1 3 78RPM RCA MODEL 960284 45RPM ...

Page 2: ...CO CO co I J PAGE 2 ...

Page 3: ... L loooo JtfLillltimf A PHOTOFACT STANDARD NOTATION SCHEMATIC Howord W Soms Co Inc 1951 DOTTED IN MflTS ARE NOT U S E D IN ALL MODELS WHEN DOTTED IN R USED POINTS MARKED X ARE BROKEN PAGE 5 PAGE ...

Page 4: ... 6AU6 SYNC AMP e 6SN7GT AGE 6 ...

Page 5: ... MS VEL BLK PED I 270 L L SCHEMATIC CHASSIS KCS49AT T KCS60T RCA VICTOR MODELS 9T57 9T77 9T79 Ch KCS49 A AT T 9T89 Ch KCS6O A AT T PAGE 3 ...

Page 6: ...RECEIVER MAKES IT POSSIBLE TO BRING YOU THIS SERVICE 5U4G 4 IMVDC IN SOME KC36 6O CHASSIS Osui T USED IN K iv B A PHOTOFACT STANDARD NOTATION SCHEMATIC Howord W Sams Co Inc 1951 DOTTED IN FWTTS ARE NOT USED IN ALL MODELS WHEN DOTTED IN PARTS ARE USED POINTS MARKED X ARE BROKEN PAGE 4 ...

Page 7: ......

Page 8: ... YOKE 56 IFT r YEL 6 BLK RED TKfi wu I s 270 L MMF p T i G 7Tf5 T1 4 j SCHEMATIC CHASSIS KCS49 A KCS60 RCA VICTOR MODELS 9T57 9T77 9T79 Ch KCS49 A AT T 9T89 Ch KCS6O A AT T ...

Page 9: ...CHASSIS BOTTOM VIEW CAPACITOR PAGE 14 ...

Page 10: ...R AND ALIGNMENT IDENTIFICATION PAGE 7 ...

Page 11: ...CHASSIS BOTTOM VIEW RESISTOR A PAGE 8 ...

Page 12: ...R AND INDUCTOR IDENTIFICATION PAGE 13 ...

Page 13: ...AL WAVEFORM ADJUSTMENT Remove the short from terminals C and D of L37 Turn the horizontal hold control fully clockwise and adjust the waveform slug B5 until the blanking signal appears as a single vertical line in the raster Turn the hold control 1 4 turn counter clockwise to synchronize the picture Cunnect the vertical input of an oscilloscope to terminal C ofL37 Adjust the horizontal waveform sl...

Page 14: ...WP MARKER GENERATOR FREQUENCY 21MC CHANNEL Any CONNECT SCOPE Vert Amp to Point ffi Low side to chassis Vert Amp to Point xTJ Low side to chassis ADJUST A1 A3 A2 REMARKS Adjust for maximum amplitudeand symmetry as per figure 1 Adjust A2 so 21MCoccurs at center of crossover lines as per figure 2 SLIGHTLY retouch Al for maximum amplitude and straightness of crossover lines Continue with step 4 VIDEO ...

Page 15: ...etween the markers Then over shoot the adjustment of turning the slug in the same direction a little more than required for maximum amplitude from the initial setting Adjust A19for maximum amplitude overshoot the adjustment as in step 20 Adjust A15to reset the oscillator to the proper frequency Check all high band channels for proper response with markers above 80 U markers do not appear within 80...

Page 16: ... transformers except the discriminator transformer L36 Connect a 680 ohm resistor across the primary of each transformer while the secondary of the same transformer is being adjusting During primary adjustment move the 680 ohm resistor to across the secondary DUMMY ANTENNA 01MFD 01MFD 470O carbon res SIGNAL GENERATOR COUPLING High side to pin 1 Grid of 6AU6 V24 Low side to chassis High side to sta...

Page 17: ...VII rub 8CBB eja OBAS BAOe 8AL5 8AV5 5Y3GT Pir 1 40 3 3KO 10 MH int W 2 88fl MOKO 00 10KO on o n P 3 on in in on 10 inf Ph t in on 00 10 00 00 Phj 2 9KR 4 TMeg Z TKn 3 5KO Hit OKfl 6 70KR 18KB gSKO tasKn 00 2 8M 68KB 270 1 P 7 00 on esn 1200 llnl 210KO 3 KO in 10 Bt n a on 40K 1 CXHTEO IN WKRT5 ARE NOT USED IN ALL MODELS VWEN DOTTED IN PARTS ARE USED POINTS MARKED X ARE BROKEN A PHOTOFACT STANDARD...

Page 18: ...RCA VICTOR MODELS 9T57 9T77 9T79 Ch KCS49 A AT T 9T89 Ch KCS6O A AT T 1C CHASSIS RC1092 PAGE 15 ...

Page 19: ...FH7721J AFH7721J AFH4J16E10E PRS450 4 E26F3 SHOO SI270 BPD 005 BPD 2 x 0015 sin SI270 SI270 SI390 BPD 0015 SI6 8NPO BPD 2 x 0015 BPD 01 BPD 0015 BPD 0015 BPD 01 BPD 01 BPD 0015 BPD 0015 1468 00025 BPD 2 x 0015 BPD 01 BPD 01 BPD 0015 BPD 2 X0015 1468 00025 BPD 0015 BPD 01 BPD 0015 P488 1 BPD 005 1468 00025 CENTRALAB PART No D6 101 TCZ 39 D6 271 DD 502 DD 2 152 TCZ 12 D6 271 D6 271 D6 391 TCZ 15 TCN...

Page 20: ...29C8 4TM S47 29C1 29C6 f 1FM 325 19C11 29C8 2TM P47 19C3 4TM P1 6TM D15 6TM S47 6TM S15 6TM D22 6TM P1 36C1 29C8 29C8 29C8 19C31 6TM D1 29C1 2TM P47 4TM S1 6TM D22 6TM D47 6TM D47 6TM S1 MB S5 6TM P25 4TM S22 4TM S47 4TM S22 2TM P47 6TM S47 6TM S1 MB D1 MS 35 MB S5 19C11 4TM P22 MB S5 MB S5 4TM S5 4TM S5 MS 34 6TM D22 IDENTIFICATION CODES AND INSTALLATION NOTES Fixed Trimmer 4th V IF Cath 4th V IF...

Page 21: ...GC Network Voltage Divide r See Note 10 AGC Network Video Amp Cathode Voltage Divider Video Amp Plate Video Amp Grid Video Amp Cathode Video Amp Plate Video Amp Decoupling Decoupling See Note 2 Isolation AGC Amp Grid AGC Amp Cathode See Note s 8 10 and 12 AGC Amp Plate See Notes 9 and 12 AGC Amp Plate See Notes 9 and 12 Isolation See Note 9 Picture Tube Grid Picture Tube Cathode Sound IF Grid Soun...

Page 22: ...0VCT 200ADC SEC 2 5VAC 3A SEC 3 6 3VAC 1 2A SEC 4 6 3VAC 8A REPLACEMENT DATA RCA PART No 75508 STANCOR PART No MERIT PART No P 3070 CHICAGO PART No TP370 TRANSFORMER SWEEP CIRCUITS ITEM No T2 T3 T4 T5A B RATING DC RESISTANCE PRI lesn 260S1 Tap 255 465n is 5n 43n SEC I3ion on 4n REPLACEMENT DATA RCA PART No 74144 75585 74950 74952 PART No A 8121 CD PART No A 4000 CD A 3035 PART No TBO 2 Vert Block ...

Page 23: ...2 75181 74589 73477 74590 75209 73477 74592 73574 71778 76011 75210 75299 75253 71793 73253 75251 75252 75211 75212 75213 71449 MEISSNER PART No 19 1921 19 1923 19 1921 19 1923 IRC PART No CLA NOTES Stator complete with rotor coils R6 RIO Rll C8 C9 Stator complete with rotor coils R9 C13 Includes 8 3 8 trimmer Stator complete with rotor coils R12 R13 R14 C12 C14 Includes 8 3 8 trimmer Stator compl...

Page 24: ...5 5W5T3 5W5T3 PTE6D5 PTE6D5 PTE6D1 1W5D15 PTE6S15 PTE4S2 5W5T1 PTE6D5 PTE4S1 PTE4S2 5W5T15 PTE16D1 PTE16D1 1D5D5 ERIE PART No f L GP2K 220 811 005 811 005 GP1K 100 GP2K 470 GP1K 15 N750L 68 N750L 68 N220K 3 GP2K 150 N750K 5 811 005 811 005 GP1K 47 811 005 N750L 39 811 005 811 005 811 005 GP2K 150 GP2K 15C 811 005 811 005 811 005 GP2K 330 GP2K 330 811 005 811 005 GP2M 0018 GP2L 001 GP2L 0015 GP1K 1...

Page 25: ...s Network Series Pilot Light Wire Wound See Note 14 Note 15 Some models use 120KS2 resistor in this application Note 16 Some models use 33K resistor in this application Note 17 Some models use 100KS1 resistor in this application TRANSFORMER POWER ITEM No T6 RATING PRI 117VAC 7A SEC 1 640VCT 065ADC SEC 2 5VAC 2A SEC 3 6 3VAC 3 4 5A REPLACEMENT DATA RCA PART No 75566 STANCOR PART No MERIT PART No P ...

Page 26: ...RADIO CHASSIS TOP VIEW N o 3 3 O N o 00 PAGE 23 ...

Page 27: ...RADIO CHASSIS BOTTOM VIEW CAPACITOR AND ALIGNMENT IDENTIFICATION ...

Page 28: ...RADIO CHASSIS BOTTOM VIEW RESISTOR AND INDUCTOR IDENTIFICATION 1 IV V 09S3X MD 6816 l IV V 6trS3 l 43 6Z16 LLL6 S16 S13QOW SOiDIA ...

Page 29: ...RF TUNER RIGHT SIDE RF TUNER LEFT SIDE PAGE 26 ...

Page 30: ...B3GT O DC REST IBfeSB 3RD VIDEO r AMP _yj 4TH VIDEO F AMR 0 eAue SOUND F AMP I L35J wf L36 vizN LIM1TER DISC 5U4G J DAMPER I Vt8 6VMGT I 1 HORIZ OUTPUT r f IB3GT 2ND VIDEO FAMP 1ST VIDEO IF AMR 16K6GT V s VERT OUTPUT BOTTOM VIEW CONV S TUBE PLACEMENT CHART PAGE 27 ...

Page 31: ...L5 12AU7 12AU7 6AU6 6AU6 6AL5 6AV6 6SN7GT 6K6GT 6SN7GT 6BG6G 6W4GT 1B3GT 5U4G 19AP4A Pin 1 SOKfi tlTKa 35Kfi 45KH 35KSI 112 in t32Kn 60Kn 470KS2 lOOKn on Pin 2 270 tmn on I2on on is on 33Kn 5 6Kn 45Kn on Lon lOOKn Pin 3 on on on in on in on 3 7Kn 250Kn on on in Pin 4 in in in on in on in in in in JO 2 sn Pin 5 tmn loonn tl2K 2 tiTKn tHKn tiSKn on in in t5 5Kn ts SKn 200Kn Pin 6 T30Kn looxn t37Kn t...

Page 32: ...move speaker RADIO CHASSIS REMOVAL 1 Remove five push on type control knobs 2 Disconnect built in AM antenna 3 Disconnect FM antenna 4 Disconnect phono leads 5 Remove wood screw at rear of track 6 Remove three 1 4 hex head screws fastening rear cover 7 Remove radio and 45RPM phonograph unit from rear of cabinet 33 1 3 78 RPM PHONOGRAPHREMOVAL Remove the fillister head machine screw at rear of 33 1...

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