RCA-CTC10-Sams-517-2电路原理图.pdf
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1、PHOTO FACT8 FolderwithClRCUNRACE* RCA VICTOR CHASSIS CTCIOA, B, C, D, E, F, T, TU, W, CRK3F, CTP7B MODEL 211CDR936U (TV CH. CTC10F) TRADE NAMERCA Victor MANUFACTURER TYPE SET TUBES TRANSISTOR POWER SUPPLY RATING TUNING RANGE 211CB822, 211CD855, 2HCD856, 211CD857 211CB822U, 211CD855U, 211CD856U, 211C
2、D857U 211CD835, 211CD835X, 211CD836, 211CD836X, 211CD837, 211CD837X, 211CD865, 211CD866, 211CD867, 211CD885, 211CD886, 211CD887, 211CD896, 211CD904, 211CD920, 211CD924 CTCIOC 211CD835U, 211CD835XU, 211CD836U, 211CD836XU, 211CD837U, 211CD837XU, 211CD865U, 211CD866U, 211CD867U, 211CD885U, 211CD886U, 2
3、11CD887U, 211CD896U, 211CD904U, 211CD920U, 211CD924U CTCIOD 211CDR835, 211CDR836, 211CDR837, 211CDR886, 211CDR896, 211CDR904, 211CDR920, 211CDR924, 211CDR932, 211CDR935, 211CDR936 CTC10E 211CDR835U, 211CDR836U, 211CDR837U, 211CDR886U, 211CDR896U, 211CDR904U, 211CDR920U, 211CDR924U, 211CDR932U, 211CD
4、R935U, 211CDR936U CTC10F 211CB812 . .Chassis CTC10T; 211CB812U . CTC10TU; 211CRH976 . . CTC10W (CDR Models use Remote Control Receiver CTP7B and Remote Control Transmitter CRK3F) Radio Corporation of America, RCA Victor Tele. Div., Camden 8, New Jersey Color Television Receiver TV: VHF - Twenty-Six,
5、 UHF - Twenty-Seven Remote Control Receiver: Six Remote Control Transmitter: One 110 - 120 Volts AC, 60 Cycle VHF/UHF w/Remote Control: 352 Watts, 3.65 Amp. D 117 Volts AC (While Tuning) 325 Watts, 3.4 Amp. 117 Volts AC (Not Tuning) VHF/UHF TV Only: 290 Watts, 3 Amp. S 117 Volts AC Channels 2 thru 1
6、3 VHF, 14 thru 83 UHF, Video IF 45. 75MC, Sound IF 41. 25MC (Intercarrier) 3? c-n H O W A R D W. SAMS A CO., INC. Indianapolis 6. Indiana The listing of any available replacement part herein does not constitute in any case a recommendation, warranty or guaranty by Howard W. Sams ;820irl| (ga): :J kr
7、1 i ki |A7S7S COLOR KILLER B6AW8AX DEMODULATOB TU12AZ7A CHANGE JUMPER TO GROUND BOTTOM SIDE OF WINDING WHEN MORE VERT TILT RANGE IS NEEDED FOR OPTIMUM CONVERGENCE RadioFans.CN .HANGE JUMPER TO ROUND BOHOM IDE OF WINDING MORE VERT ILT RANGE IS IEEDED FOR OPTIMUM :ONVERGENCE RCA VICTOR CHASSIS CTCIOA,
8、 B, C, D, 1, F, T, TU, W, CRK3F, CTP7B RadioFans.CN TUBE PLACEMENT CHART CONVERGENCE CONTROLS STEREO JACK NORMAL-SERVICE SWITCH GREEN DRIVE RED SCREENC TILT LEFT RED RGZ K - R-GDIFF R-CDIFF R-0-3 R-G MASTER R-G MASTER R-G- BLUE BLUE B-2 KILLER THRESH HORIZ HOLD 1 VERT LIN f VERT HOLD CONTRAST TONE T
9、OP VIEW M FUSE 3. SAMP 250V-C-ILV POWER) (ADJACENT SOUND REJECT) SOUND ATTENUATION 3rd VIDEO IF AMP- .6AIV8A ?nr1vmmlFAMP 1st VIDEO IF AMP , _ - - SYNC SEP SOUND- VIDEO AMP- x ( V4 1 16AW8A 1 COLOR KILLER c 1 5 E) r7 c SOUND IF AMP -*y/fe) AUDIO DET AUDIO OUTPUT FUSE 3/4 AMP 250V (HIGH BH -YAMP-YAMP
10、 X DEMODULATOR- Z DEMODULATOR NDICATES BLANK PIN OB LOCATING KEY AGCKEYING N0,s m CHROMA CHROMA REf OSC CONTROL- CHROMA REF OS V6EW67 BURST AMP HORIZ PHASE DET VERT MULT- rtRT OUTPUT C H R Y N C 3.58MCXTAL PHASE DET FOCUS FOCUS RECTIFIER HORIZmiTPUT DAMPER nSi / VM N HV REGULATOR , (CHORIZLIN H.V. A
11、DJUST MIXER-OSC - TUNER #KRK97H TUNING HORIZ FRE(J- O UHFOSC 6AF4A SET 517 FOLDER 2 PAGE 3 RadioFans.CN TV ALIGNMENT INSTRUCTIONS PRE-ALIGNMENT INSTRUCTIONS The high voltage lead should be securely taped and kept away from the chassis. Allow a 20 minute warm-up period for the receiver and test equip
12、ment. Suggested Alignment Tools: Al thru A19 GENERAL CEMENT #8606, 8606L, 8282, 9295 WALSCO #2526, 2543, 2544, 2545 A20 GENERAL CEMENT #5000, 5003, 5014, 5015, 5016, 8276, 8290 WALSCO #2512, 2515, 2522, 2523, 2525, 2537 VIDEO IF ALIGNMENT Connect the negative lead of a 6 volt bias supply to point .
13、Positive to chassis. Connect the negative lead of a 15 volt bias supply to point g . Positive to chassis. Connect the negative lead of a I5volt bias supply to pin 2 of V23. Positive to chassis. Connect a clip lead from point to chassis. Preset Sound Reject (R18) at 75% clockwise rotation. Preset Adj
14、acent Sound Adjust (R17) at 50% rotation. Video IF Shield must be in place during alignment. DUMMY ANTENNA Direct SIGNAL GENERATOR COUPLING High side to ungrounded tube shield floating over Mixer -Osc. tube (V302). Low side to chassis. SIGNAL GENERATOR FREQUENCY 43. SMC (Unmod.) 42.5MC 45.75MC 44.0M
15、C 41. 25 MC 47. 25MC CHANNEL 4 CONNECT VTVM DC probe thru lOKto point . Common to chassis. Use negative scale. ADJUST Al A2 A3 A4 Mixer Plate Coil A5, R18 A6, R17 REMARKS Adjust for maximum deflection. Use peak with core nearest printed board end of coil. Maintain VTVM reading of 1. 5 volts by adjus
16、ting signal generator output. Adjust for maximum deflection with peak at top end of coil. Adjust A5 and Sound Reject (R18) simultaneously for MINIMUM deflection with slug away from chassis. Reduce bias at point if necessary for sufficient indication. Adjust A6 and Adjacent Sound (R17) simultaneously
17、 for MINIMUM deflection with slug away from chassis. OVERALL VIDEO IF RESPONSE CHECK Connect bias as under Video IF Alignment. Connect a .OOlmfd capacitor in series with a 180B resistor from pin 5 (plate) of 6GM6 (V2) to chassis with the resistor next to chassis. Connect a lOOOmml capacitor across t
18、he scope leads. The Video IF shield must be in place during alignment. Connect the DC probe of the VTVM to point . Common to chassis. (Use negative scale.) Use 10MC sweep unless otherwise noted. DUMMY ANTENNA Direct Fig. 4 SWEEP GENERATOR COUPLING High side to ungrounded tube shield floating over Mi
19、xer -Osc. tube (V302). Low side to chassis. Across VHF Antenna Terminals thru matching network (Fig. 4) SWEEP GENERATOR FREQUENCY 45MC All VHF Channels separately MARKER GENERATOR FREQUENCY 42. 17MC 45.75MC 47. 25MC 41. 65MC 42.17MC 42. 75MC 45.0MC 45.75MC 41. 25 MC 42.17MC 45.0MC 45.75MC CHANNEL 4
20、All VHF Channels separately CONNECT SCOPE Vert. Amp. thru demodulator probe (Fig. 1) to pin 5 (plate) of 6BZ6 (VI). Low side to chassis. Vert. Amp. thru 10K to point . Low side to chassis. ADJUSTREMARKS Set sweep output for . 1 volt peak to peak on scope. Retouch Mixer Plate Coil and A4 for maximum
21、gain and symmetry of response similar to Fig. 2. Reduce bias to -4 volts at point B-l TILT AMP ,_ /:, V. J .J R-G-3 R-G D IFF R- DIFF R-G-4 R-G MASTER R-G MASTER (G) BLUE( BLUE FUSE 3.5AMP250V-C-ILV POWER) I (ADJACENT SOUND REJECT! SOUND ATTENUATION O 1st VIDEO IF AMP XJS 3rd VIDEO IF AMP- VgjMy 2nH
22、 VIDEO IF AMP / SYNC SEP SOUND REJECT (V) -SOUND- . , V SOUND IF AM HOR1Z PHASE OET (O-)-HORIZFREQ TtE) X XN VIDEO AMP- I v* 1 I 6AW8A J- COLOR KILLER r V5 i 1 12BY7A I VIDEO OUTPUT HV REGULATOR 1 STEREO JACK NORMAL-SERVICE SWITCH L _ , GREEN DRIVE BLUE DRIVE PAGE 18 RadioFans.CN TV PARTS LIST AND D
23、ESCRIPTIONS TUBES GENERAL ELECTRIC - RAYTHEON SYLVANIA ITEM No. VI V2 V3 V4 V5 V6 V7 V8 V9 V10 Vll via V13 USE 1st Video IF Amp. 2nd Video IF Amp. 3rd Video IF Amp. - Sync Sep. Video Amp.- Color Killer Video Output AGC Keying - Noise Inv. Sound IF Amp. Audio Det. Audio Output Vert. Mult-Vert. Output
24、 Horiz. AFC - Horiz. Osc. Horiz. Output Damper TYPE 6BZ6 6GM6 6AW8A 6AW8A 12BY7A 6DT6A 6EW6 6DT6A 6AQ5A 6EM7 6CG7 6DQ5 6AU4GTA ITEM No. V14 V15 V16 V17 via V19 V20 V21 V22 V23 USE HV Rectifier Focus Rectifier HV Regulator Chroma Bandpass Amp. Burst Amp. Chroma Sync Phase Det. Chroma Ref. Osc. Contro
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