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RCA E:fact® Technical Service Data INDEX Parts List Coils & Transformers Miscellaneous Controls & Resistors, 2 pages Capacitors & Electrolytics, 2 pages Cabinet Parts Semiconductors, 2 pages Schematics ................... Location Television ................. 2A, 2B Television ................. 2C, 2D Audio .......................... 3A Power Supply .................. 2E System Control ................ 2F Tuner ...................... 2G, 2H Placement Chart Models Chassis F19207BCTX1 CTC185A F19205GYTX1 CTC185A Circuitry not used in some versions. Circuitry used in some versions. Ground Chassis ground Common tie point Taken from common tie point Schematic voltage source tie point. Cabling: Heavy lines reduce use of multiple lines. Waveforms and voltages are taken from ground, unless noted otherwise. Waveforms taken with triggered scope and keyed rainbow generator. Waveform voltage is peak to peak. Timebase is per division. Waveforms shown at 10 divisions. Supply voltages maintained as seen at input. Voltages measured with digital meter and a 1000μV RF signal, with colorbar pattern, applied to antenna terminal. Controls adjusted for normal operation. Capacitors are 50 volts or less, 5% or greater unless noted. Electrolytic capacitors are 50 volts or less, 20% or greater unless noted. Resistors are 1/2W or less, 5% or greater unless noted. Value in ( ) used in some versions. Measurements with switching as shown, unless noted. Rated voltage shown on zener diodes. For SAFETY use only equivalent replacement part, see parts list. 3 A SCHEMATIC NOTES To purchase a complete paper version of this service manual, order PHOTOFACT ® set #3960 To place the order, contact your local Sams Distributor or call our Customer Service operation at 1-800-428-7267. For E:fact ordering or information, use the following web site link. http://www.hwsams.com/efact.html Product #083960 © Copyright 1999 Howard W. Sams & Co. All rights reserved.

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E:fact

Technical Service DataRCAModels F19207BCTX1 F19205GYTX1 Chassis CTC185A CTC185A

INDEXParts List Coils & Transformers Miscellaneous Controls & Resistors, 2 pages Capacitors & Electrolytics, 2 pages Cabinet Parts Semiconductors, 2 pages Schematics . . . . . . . . . . . . . . . . . . . Location Television . . . . . . . . . . . . . . . . . 2A, 2B Television . . . . . . . . . . . . . . . . . 2C, 2D Audio . . . . . . . . . . . . . . . . . . . . . . . . . . 3A Power Supply . . . . . . . . . . . . . . . . . . 2E System Control . . . . . . . . . . . . . . . . 2F Tuner . . . . . . . . . . . . . . . . . . . . . . 2G, 2H Placement Chart

SCHEMATIC NOTESFor SAFETY use only equivalent replacement part, see parts list.

To purchase a complete paper version of this service manual, order PHOTOFACT set #3960 To place the order, contact your local Sams Distributor or call our Customer Service operation at 1-800-428-7267. 3A

Circuitry not used in some versions. Circuitry used in some versions. Ground Chassis ground Common tie point Taken from common tie point Schematic voltage source tie point. Cabling: Heavy lines reduce use of multiple lines. Waveforms and voltages are taken from ground, unless noted otherwise. Waveforms taken with triggered scope and keyed rainbow generator. Waveform voltage is peak to peak. Timebase is per division. Waveforms shown at 10 divisions. Supply voltages maintained as seen at input. Voltages measured with digital meter and a 1000V RF signal, with colorbar pattern, applied to antenna terminal. Controls adjusted for normal operation. Capacitors are 50 volts or less, 5% or greater unless noted. Electrolytic capacitors are 50 volts or less, 20% or greater unless noted. Resistors are 1/2W or less, 5% or greater unless noted. Value in ( ) used in some versions. Measurements with switching as shown, unless noted. Rated voltage shown on zener diodes.

For E:fact ordering or information, use the following web site link. http://www.hwsams.com/efact.html Product #083960 Copyright 1999 Howard W. Sams & Co. All rights reserved.

PARTS LISTCOILS & TRANSFORMERSItem No. FB3101 FB3901 FB4110, 11 FB4401 FB4501 L2301 L2302 L2303 L2305 L2701, 02, 03 L2705 # L4000 (1) # L4001 L4102 L4200 L4401 L5001 L7101 L7102 L7103 L7104, 05 L7106 L7107 L7108 L7109 L7110 L7111 L7112 L7113 L7114 L7115 L7301 L7302 L7303 L7304 L7305 L7306 # T4301 # T4401 (2) Function/Rating Ferrite Bead Ferrite Bead Ferrite Bead Ferrite Bead Ferrite Bead 15H VCO FM Tank 10H 8.2H 10H Yoke Horiz 3.1mH Vert 23.1mH Line Choke 320H Degaussing 6.8H 180H 3.9H Horizontal Driver Horizontal Output Mfr. Part No. 226467 226467 215546 227410 215547 197613 215502 233056 175409 149170 175409 190507 231466 221042 191141 231467 215507 236641 223929 236642 215507 233057 233074 200559 233075 233076 231441 233077 231441 233078 231443 231444 233079 233080 236643 231448 215541 231530

# For SAFETY use only equivalent replacement part. (1) Bonded part of CRT. (2) Focus and screen controls are part of T4401.

PARTS LIST continuedMISCELLANEOUSItem No. CF1201 CF2301 F4001 FL7102 IR3402 K4201 KS5001 PW4001 SF2301 SP1902 SW3410 SW3411 SW3420 SW3421 SW3430 SW3431 V5000 Y2801 Y3101 Y4101 Y7401 Description Filter Filter Fuse Filter Receiver Relay Socket Line Cord Filter Speaker Switch Switch Switch Switch Switch Switch CRT Crystal Crystal Crystal Crystal Adapter PC Board Transmitter Mfr. Part No. 195702 181125 175425 181470 226508 190490 233120 217318 183163 215500 215500 215500 215500 215500 215500 A48AAB13 161235 217322 227064 182839 AH0155 235667 226551 Notes 4.5MHz 4.5MHz 5Amp, 125V, Fast Acting LC High Pass Remote Degaussing CRT AC, Polarized SAW 2 1/4" x 3 1/2", 32 Ohms, 1.5W Channel Up Power Channel Down Volume Up Menu Volume Down A48AAB13X02 3.58MHz 8MHz 507kHz 4MHz Antenna 75 To 300 Ohms CRT Remote (CRK20A1)

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# For SAFETY use only equivalent replacement part.

PARTS LIST continuedCONTROLS & RESISTORSItem No. # R1907 # R1908 R2302, 03 R2304 R2317 R2801 R2804 # R3108 R3111, 12 R3202 R3343 # # # # # # # # # R4001 R4002 R4004 R4103 R4105 R4111 R4114 R4119 R4121 R4122 R4136 R4137 R4146 R4147 R4305 R4315 R4402 R4404 R4507 R4511 R4517 R4701 R4703 R4704 R4705 R4706 R4707 R4708 R4710 R4901 R4902 Function/Rating 4.7 5% 1/4W 56 5% 3W 120K 2% 1/8W 100K 5% 1/8W 1000 2% 1/10W 3000 2% 1/10W 1000 2% 1/10W 180 2% 1/10W 30K 2% 1/10W 27K 2% 1/4W 27K 5% 1/4W 10 5% 1/4W 220 2% 1/4W 220 5% 1/4W 120K 2% 1/10W 120K 5% 1/10W 5100 2% 1/4W 10K 5% 1/4W 2.7 10% 15W Wirewound 1000 5% 10W 1.8M 10% 1/2W .51 5% 2W 2 5% 1/4W 100K 1% 1/10W 10K 5% 3W 10 5% 1/4W 1000 5% 1/2W 2200 5% 1/4W 143K 1% 1/10W 2870 1% 1/10W 430 5% 1W 220 5% 3W 4700 5% 3W 1000 2% 3W 91 5% 1/2W 360 5% 2W 1.5 5% 1W 1 10% 2W Wirewound 51 5% 1W 10 2% 1/2W Nonflammable 3.3 5% 3W Wirewound 82K 5% 1/2W 27K 5% 1/2W 1270 1% 1/4W 3.6 5% 5W 3.3 5% 5W 3000 5% 1W 3 5% 2W Wirewound 100 5% 1/4W 24.9K 1% 1/4W 26.7K 1% 1/4W 28.7K 1% 1/4W 28K 1% 1/4W Mfr. Part No. 200197 231514 180816 176816 197638 194917 197638 194918 200176 175326 205565 829010 175324 205370 175417 175317 190487 231504 220333 196073 181419 215221 189989 829010 175350 175042 184980 231505 831143 231461 175368 231462 227249 231465 178619 215577 217314 830010 195730 830382C 206037 231516 235699 233073 200446 223898 829110 196081 236691 195731 NTE Part No. QW4D7 3W056 EW410 EW410 QW327 QW327 QW010 QW122 QW122 QW251 QW310 10W210 HW518 2WD51 QW2D0 3W310 QW010 HW210 QW222 1W143 3W122 3W247 3W210 HW091 2W136 1W1D5 1W051 HW010 HW382 HW327 5W3D3 1W230 QW110 -

# # # # # # # # # # # # # # # # # #

# For SAFETY use only equivalent replacement part.

PARTS LIST continuedCONTROLS & RESISTORS continuedItem No. # R4903 Function/Rating Mfr. Part No. NTE Part No. 228939 210066 190469 231513 233034 502222 502222 178282 175354 502222 179316 175312 203097 179782 220333 215499 207768 2W320 HW222 HW222 QW127 QW130 HW222 QW262 QW275 QW168 QW191 1W212 HW518 -

41.2K 1% 1/4W 34.8K 1% 1/4W 32.4K 1% 1/4W 39.2K 1% 1/4W # R4908 576K 1% 1/10W # R5001, 02, 03 20K 2% 2W Nonflammable # R5004, 05, 06 2200 10% 1/2W # R5010 2200 10% 1/2W R5012 270 2% 1/4W R5014, 16 300 2% 1/4W # R5018 2200 10% 1/2W R5019 6200 2% 1/4W 7500 2% 1/4W R5020 680 2% 1/4W 910 2% 1/4W # R5021 1200 5% 1W # R7139, 40 1.8M 10% 1/2W RN4501 Network # RT4201 5.5 PTC Cold

# For SAFETY use only equivalent replacement part.

PARTS LIST continuedCAPACITORS & ELECTROLYTICSItem No. C2303 C2701 Rating Mfr. Part No. 194902 224270 151119 214028 202907 194902 193340 197604 193340 210689 194903 205227 194903 218986 193340 231451 190538 190560 194902 190538 205551 214732 223899 210689 195918 231456 231455 223819 227068 190538 137583 190538 217298 120696 220630 147667 233025 231454 235376 214757 194903 214758 214760 223146 217305 235376 194905 194903 231454 235377 197604 194902

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120pF 5% 50V NPO 3.3F 20% 50V NP 3.3F 20% 100V C2803 18pF 5% 50V NPO 15pF 5% 50V NPO C2805 120pF 5% 50V NPO C3101, 02 100pF 5% 50V NPO C3114, 15 27pF 5% 50V NPO C3121 100pF 5% 50V NPO C3124 47pF 5% 50V NPO C3306, 07 22pF 5% 50V NPO C3312 330pF 5% 50V NPO C3314 22pF 5% 50V NPO C3316 200pF 5% 50V NPO C3318 100pF 5% 50V NPO C4001 .22 20% 125V .22 250V C4003, 04 680pF 20% 1kV C4007 680F 20% 200V C4108 120pF 5% 50V NPO C4120, 24 680pF 20% 1kV C4134, 35 220pF 5% 50V NPO C4303 470pF 5% 50V NPO C4310 15pF 1% 250V NPO C4311 47pF 5% 50V NPO C4401 470pF 5% 50V NPO C4402 .0064 2% 1.6kV .0064 2% 1.6kV C4403 .32 5% 250V C4406 470pF 5% 2kV C4702, 04, 06 680pF 20% 1kV C4710 .01 20% 1kV C4712 680pF 20% 1kV C4904 .22 +80% -20% 25V C5001 .001 10% 3kV C5005 390pF 5% 50V N750 C5006 330pF 5% 50V N750 C5007 470pF 5% 50V N750 C7101 330pF 20% 125VAC 330pF 20% 125VAC C7102 4pF +0pF -.25pF 50V NPO C7103 22pF 5% 50V NPO C7105 .75pF .25pF 50V NPO C7108 27pF 5% 50V N750 C7110 1.5pF .1pF 50V NPO C7114 100pF 20% 120V 100pF 20% 125V C7117 2pF .5pF 50V NPO C7118 22pF 5% 50V NPO C7120 330pF 20% 125VAC 330pF 20% 125VAC C7124 27pF 5% 50V NPO C7127 120pF 5% 50V NPO

# For SAFETY use only equivalent replacement part.

PARTS LIST continuedCAPACITORS & ELECTROLYTICS continuedItem No. # C7129 C7136 C7137 C7139 C7140 # C7146, 47 C7301, 02 C7304 C7305 C7307 C7308 C7309 C7310 C7311, 12 C7316 C7320 C7322 C7323 C7326 C7405 C7410, 11 Rating 330pF 20% 125VAC 330pF 20% 125VAC 150pF 5% 50V NPO 330pF 5% 50V NPO 20pF 2% 50V N220 2pF .5pF 50V NPO 330pF 20% 125VAC 330pF 20% 125VAC 1.5pF .5pF 50V NPO 2pF .25pF 50V NPO 75pF 5% 50V NPO 20pF 5% 50V NPO 5pF .25pF 50V N750 10pF 50V N750 8pF .5pF 50V N750 5pF .25pF 50V N750 8pF .5pF 50V NPO 330pF 5% 50V NPO 24pF 2% 50V NPO 6pF .25pF 50V NPO 82pF 2% 50V NPO 33pF 5% 50V NPO 10pF 5% 50V NPO Mfr. Part No. 231454 235377 214032 205227 214761 194905 231454 235377 194904 194905 192061 220150 231457 231458 214766 231457 194909 205227 231459 227250 231460 194911 214740

# For SAFETY use only equivalent replacement part.

PARTS LIST continuedCABINET PARTSItem Mfr. Part No.

Model F19205GYTX1Cabinet Mask & Back Assembly MK2011 IR Window 233539

Model F19207BCTX1Cabinet Mask & Back Assembly MK2008 IR Window 226737

TransmitterBattery Door 226900

SEMICONDUCTORS(Select the replacement that gives the best results.) Item No. CR2301 CR2702 CR3102, 10 CR3111 CR4001 Thru CR4004 CR4102 CR4103 CR4104 CR4105 CR4106, 07 CR4108 CR4109 CR4110 CR4111 CR4112, 13 CR4115 CR4116 CR4201 CR4302 CR4303 CR4403 CR4501 CR4701 CR4702 # CR4703 CR4704 CR4705 CR4706 # CR4901 # CR4902 CR7101 CR7102, 03 (1) CR7105 CR7106 CR7107, 08 CR7109, 10 CR7111 CR7112 CR7113 CR7114 (1) CR7301 (1) CR7302 CR7303 CR7304 (1) Q1903 Q2301 Q2705, 06, 07 Q3101 Type No. 1N4148 1N4002 1N4148 1N4002 1N4148 1N4148 1N4148 1N4002 1N4002 1N4148 Mfr. Part No. 227051 164717 232709 218987 147015 227066 233082 223083 164589 164717 215489 147015 233084 227362 164717 215488 227362 164717 164717 176296 176296 147015 207878 176296 147015 164717 207878 227066 227918 220637 157301 159429 215492 215493 233085 211863 215493 211863 215493 233085 211863 215493 215495 215496 215496 215495 NTE Part No. NTE519 NTE116 NTE558 NTE519 NTE116 NTE519 NTE136 NTE519 NTE519 NTE125 NTE125 NTE116 NTE125 NTE116 NTE519 NTE177 NTE5019T1 ECG Part No. ECG519 ECG116 ECG558 ECG519 ECG116 ECG519 ECG519 ECG519 ECG125 ECG125 ECG116 ECG125 ECG116 ECG519 ECG177 ECG5019T1 TCE Part No. SK3100 SK3311 SK3998 SK3100 SK3311 SK3100 SK3100 SK3100 SK5010A SK5010A SK3311 SK5010A SK3311 SK3100 SK9091 SK9970 -

# For SAFETY use only equivalent replacement part. (1) Part of CR7101 Diode Kit.

SEMICONDUCTORS continued(Select the replacement that gives the best results.) Item No. Q3102 Q3201 Q3301 Q3302 Q3303, 05 Q3401 Q3901 Q4102, 03 Q4104 Q4106 Q4108 Q4113 Q4114 Q4115 Q4301 Q4302 Q4401 # Q4901 Q5001, 02, 03 Q5004 Q7101, 02 Q7402 Q7403 Q7404 # U1001 U1950 U3101 U3201 U4102 U4103 U4104 U4501 U7301 U7401 Type No. BUH417D 2SC2482 LA7612 TDA7235 24C02 L78S75CV TDA8172 CXA1695L Mfr. Part No. 215496 215496 215496 223704 215496 229220 229220 215496 215495 229220 215496 146851 231523 215496 146851 215495 231532 147665 231533 219025 226973 215496 231534 215496 231524 231531 233180 233181 162394 231525 231526 215531 231528 231529 NTE Part No. NTE287 NTE287 NTE159 NTE399 NTE159 NTE966 NTE1788 ECG Part No. ECG287 ECG287 ECG159 ECG399 ECG159 ECG1788 TCE Part No. SK3433 SK3433 SK3466 SK9352 SK3466 SK9875 -

# For SAFETY use only equivalent replacement part.