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Page Title: index.htm

• Facsimile Sets
• WARNING
• Forms and Records
• Items Comprising an Operable Equipment
• Expendable Consumable Items
• Section II. BASIC ISSUE ITEMS LIST
• Distribution
• Index of Publications
• Applicable References
• Output Voltage Test
• Clutch Tension Tets
• Noise Test
• Operational Tetst
• Transmitting and Receiving Tests
• Figure 197.Back-to-back equipment setup for operational test
• Appendix I References
• References cont'd
• By order of the Secretary of the Army
• Distribution
• Reporting of Equipment Manual Improvements
• Appendix II Maintenance Allocation
• Maintenance by Using Organizations
• Section II Maintenance Allocation Chart
• Section III. Allocation of Tools for Maintenance Function
• Appendix III Basic Issue Items List
• Section II Functional Parts List
• Section II Functional Parts List cont'd
• Section II Functional Parts List cont'd
• Section II Functional Parts List cont'd
• Section II Functional Parts List cont'd
• Section II Functional Parts List cont'd
• Distribution
• Index of Publications
• Maintenance Service Inspection
• Section II.I Organizational Maintenance
• Monthly Maintenance Service and Inspection Chart
• Quarterly Maintenance Service and Inspection Chart
• Quarterly Maintenance Service and Inspection Chart cont'd
• Appendix I References
• Distribution
• Department of the Army Technical Manual
• Figure 56.1 (Added) Record direct amplifier driver and meter amplifier
• DB METER CIRCUIT
• DB METER CIRCUIT cont'd
• DB METER CIRCUIT cont'd
• Distribution
• Table of Contents
• Figure 1. Facsimile sets AN/TXC-1, -1A, -1B, and -1C
• Chapter 1 INTRODUCTION
• Application of Facsimile Set AN/TXC-1(*)
• Figure 3. Rectifier power units PP-86/TXC-1, PP-86A/TXC-1, or PP-86B/TXC-1, cover removed.
• Technical Characteristics
• Table of Components
• Rectifer Power Unit PP-86(*)/TXC-1
• Figure 4. Photographic equipment PH-549/TXC-1.
• Figure 5. Facsimile set AN/TXC-1*, accessories.
• Figure 6. UC coupling coil.
• Rectifier  P o w e r Unit PP-86(*)/TXC-1
• Table I. Transceiver Differences
• MWO SIG 11-2258-6
• Chapter 2 OPERATION
• Figure 7. Typical export packaging of facsimile transceiver TT-T(*)/TXC-1.
• Figure 8. Drum chock in place on facsimile transceiver.
• Terminal Panel
• Connections to Wire Lines
• Use of UC Coupling Coil
• Figure 11. Facsimile installation, private line antisidetone station connectors.
• Figure 12. UC coupling coil attached to telephone headsets.
• Darkroom Installation
• Section Il. CONTROLS AND INSTRUMENTS
• Panel Controls. cont'd
• Panel Controls. cont'd
• Figure 13. Controls, facsimile transceiver TT-1/TXC-1.
• Figure 15. Controls, facsimile transceiver TT-1D/TXC-1 and TT-1E/TXC-1.
• Section Ill. OPERATION UNDER USUAL CONDITIONS
• Preliminary Transmitting Operations
• Transmitting Positive for Direct Recording
• Transmitting Phasing Pulses
• Transmitting Positive for Positive, Photographic Recording
• Receiving on Teledeltos or Timefax NDA Paper (Direct Process)
• Receiving Copy.
• Figure 19. Clutch assembly, during phasing.
• Duplicating Process Using Timefax A Paper
• Receiving Photographic Recording
• Photographic Processing
• Operator Coordination
• Blank Page
• Figure 22 .Operating faults.
• Figure
• Section IV. OPERATION UNDER UNUSUAL CONDITIONS
• Chapter 3 ORGANIZATIONAL MAINTENANCE
• Use of Preventive Maintenance Forms
• Figure 24. DA Form 11-238.
• Figure 25. DA Form 11-239.
• Section Ill. LUBRICATION
• Lubrication Techniques
• Figure 26. Facsimile Transceiver TT-1(*)/TXC-1, lubrication order
• Moistureproofing and Fungiproofing After Repairs
• Visual Inspection
• Equipment Performance Checklist
• Facsimile Transceicer TT-1*/TXC-1 (Transmitting).
• Facsimile Transceiver TT-1*TXC-1 (Receiving, Direct Recording).
• Facsimile Transceiver TT-1*/TXC-1 (Receiving, Photographic Recording).
• Chapter 4 AUXILIARY EQUIPMENT
• Section Il. EXCITER UNIT O-5B/FR
• RF Oscillator O-86/FRT
• Operation
• Receiving
• Figure 29. Receiver rf relationships during reception of frequency-shift facsimile transmissions.
• Chapter 5 THEORY
• Block Diagrams
• Figure 30. Facsimile Set AN/TXC-1(*), block diagram
• Figure 31. Facsimile TT-1(*)/TXC-1, transmittingblock diagram
• Figure 32. Facsimile Transceiver TT-1(*)/TXC-1, receiving block diagram
• Figure 33. Talk-back circuit, block diagram.
• Stage Names
• Signal circuit.
• Section Il. FACSIMILE TRANSCEIVER TT-1(*)/TXC-1
• Fork Driver
• Figure 36. Fork driver, unsealed fork oscillator unit.
• Scaled Fork Oscillator Unit
• Fork Input Amplifier Fork Driver
• Figure 39. Sealed fork oscillator unit, schematic diagram.
• Motor Amplifier Driver
• Figure 41. Motor amplifier driver, Facsimile Transceivers TT-1B/TXC-1 and TT-1C/TXC-1
• Figure 42. Multivibrator and motor amplifier driver, Facsimile Tranceivers TT-1D/TXC-1 and TT-1E/TXC-1
• Figure 43. Multivibrator and motor amplifier driver Facsimile Transceiver TT-1F/TXC-1.
• Figure 44. Motor amplifier output stage, facsimile Transceivers TT-1/TXC-1 and TT-1A/TXC-1.
• Figure 45. Motor amplifier output stage, Facsimile Transceivers TT-1B/TXC-1 and TT-1C/TXC-1.
• Figure 46. Motor amplifier outstage, Facsimile Transceivers TT-1D/TXC-1, TT-1E/TXC-1, and TT-1F/TXC-1.
• Photocell Circuit
• Figure 48. Photocell bridge modulator circuit of Facsimile Transcievers TT-1/TXC-1 through TT-1C/TXC-1.
• Figure 49. Photocell bridge modulator, Facsimile TranseiversTT-1D/TXC-1, TT-1E/TXC-1, and TT-1F/TXC-1.
• Figure 50. Signal amplifiers used in various positions of selector switch, block diagram.
• Figure 51. First ssignal amplifier, Facsimile Transceivers TT-1/TXC-1 through TT-1D/TXC-1, schematic diagram.
• Figure 53. Second signal amplifier.
• Figure 54. Third signal amplifier.
• Figure 55. Record direct amplifier driver and meter amplifier, Facsmimile Transceivers TT-1/TXC-1 and TT-1A/TXC-1.
• Meter amplifier
• Figure 57. Record output amplifier, Facsimile Transceiver TT-1(*)/TXC-1.
• Figure 58. Automatic stop circuit, Facsimile Transceiver TT-1F/TXC-1.
• Electrical Circuit
• Trigger Tube
• Figure 60. Trigger tube.
• Figure 61. Talk-back circuit, STANDBY-MON-TALK switch S5 in TALK position, schematic diagram.
• TALK.
• Figure 63. Voltage regulator output stage, RB+ circuit
• Section Ill. RECTIFIER POWER UNIT PP-86(*)/TXC-1
• Figure 66. Rectifier power unit PP-86(*)/TXC-1, block diagram.
• Figure 68. First lamp amplifier, exciter lamp supply.
• Figure 69. Lamp driver and voltage regulator rectifier, exciter lamp supply.
• Figure 70. Lamp output amplifiers, exciter Lamp supply.
• Figure 72. Control voltage amplifier, exciter lamp power supply, rectifier power units PP-86A/TXC-1, PP-86B/TXC-1,and PP-8E/TXC-1
• Chapter 6 FIELD MAINTENANCE
• Troubleshooting Data
• Figure 73. Use of tube puller.
• Figure 74. Signal-tracing chart, unsealed fork oscillator unit.
• Figure 76. Signal-tracing chart, Facsimile Tranceiver TT-1/TXC-1
• Figure 77. Signal-tracing chart, Facsimile Tranceiver TT-1A/TXC-1
• Figure 78. Signal-tracing chart, Facsimile Tranceiver TT-1B/TXC-1, TT-1C/TXC-1,TT-1D/TXC-1, TT-1E,TXC-1, and TT-1F/TXC-1
• Figure 81. Signal-tracing chart, Recfifier Power Unit PP-86(*)/TXC-1.
• Voltage and Resistance Measurements
• Figure 82. Voltage measurement chart, stagesV10 through V16, Facsimile Transcievers TT-1/TXC-1 and TT-1A/TXC-1.
• Figure 83. Voltage measurement chart, stages V10 through V16, Facsimile Transceivers TT-1B/TXC-1, TT-1C/TXC-1, TT-1D/TXC-1, and TT-1E/TXC-1
• Figure 84. Voltage measurement chart, V10 through V16, Facsimile Transceiver TT-1F/TXC-1.
• Figure 86. Resistance measurement chart, stages V10 through V16, Facsimile Transceivers TT-1/TXC-1 and TT-1A/TXC-1.
• Figure 27. Resistance measurement chart, stages V10 through V16, Facsimile Transceivers TT-1B/TXC-1, TT-1C/TXC-1, TT-1D/TXC-1, AND TT-1E/TXC-1
• Figure 88. Resistance measurement chart V10 through V16, Facsimile Transceiver TT-1F/TXC-1.
• Figure 89. Resistance measurement chart, first signal amplifier (V10), Facsimile Tranceiver TT-1E/TXC-1
• Figure 90. Voltage measurement chart, stages V1 through V9, Facsimile Transceiver TT-1/TXC-1 with unsealed for oscillator unit; data stages V4 through V9 applicable Facsimile Transceiver TT-1A/TXC-1
• Figure 91. Voltage and resistance measurement chart, stages V1 through V3, sealed oscillator unit, Facsimile Transceiver TT-1/TXC-1 through TT-1E/TXC-1
• Figure 92. Voltage and resistance measurement chart, stages V1 throughV3, sea!ed fork oscillator unit, Facsimile Transceiver TT-1F/TXC-1
• Figure 93. Voltage and resistance measurement chart, stages V4 through V9 and V25, Facsimile Transceivers TT-1B/TXC-1, TT-1C/TXC-1, and TT-1E/TXC-1
• Figure 94. Voltage resistance chart, V4 through V9 and V25, Facsimile Transceiver TT-1F/TXC-1.
• Figure 95. Voltage and resistance measurement chart, multivibrator stage (V26), Facsimile Transceivers TT-1D/TXC-1 and TT-1E/TXC-1
• Figure 96. Voltage and resistance measurement chart, multivibrator stage (V26), Facsimile Transceiver TT-1F/TXC-1.
• Figure 97. Resistance measurement chart, stages V1 to V9, Facsimile Transceiver TT-1/TXC-1 with unsealed fork oscillator unit; datad for stages V4 to V9 also applicable to Facsimile Transceiver TT-1A/TXC-1
• Figure 98. Voltage measurement chart, Rectifier Power Unit PP-86/TXC-1.
• Figure 99. Resistance measurement chart, Rectifier Power Unit PP-86/TXC-1.
• Figure 100. Voltage and Resistance Measurement Chart, Rectifier Power Unit PP-86 A/TXC-1 or PP-86/TXC-1
• Figure 101. Voltage and resistance measurement chart, Rectifier Power Unit PP-86E/TXC-1.
• Troubleshooting Chart
• Troubleshooting Chart cont'd
• Lead Screw and Drum
• Figure 103. Example of irregular skew.
• Fork Oscillator Unit
• Signal Amplifier (RECORD PHOTO)
• Phasing Amplifier
• Signal Amplifier (TRANSMIT)
• Rectifier Power Supply
• Figure 105. Synchronous motor, early models.
• Figure 106. Synchronous motor, KBA-2.
• Figure 107. Synchronous motor KBA-2, showing use of spanner wrench.
• Figure 108. Phase magnet.
• Figure 109. Start magnet.
• Figure 110. Top plate removed from motor.
• Figure 111. No. 6 setscrew wrench inserted into worm.
• Figure 112. Palcement of fingers behind the gear, to remove gear, gear collar, and bearing
• Figure 114. Method of measuring primary clutch tension,
• Figure 115. Clutch assembly, Facsimile Sets AN/TXC-1, -1A, and -1B.
• Figure 116. Clutch assembly, Facsimile Sets AN/TXC-1C and AN/TXC-1D.
• Figure 117. Drum assembly, Facsimile Transceivers TT-1/TXC-1, TT-1A/TXC-1, and TT-1B/TXC-1.
• Figure 118. Drum assembly, Facsimile Transceivers TT-1C/TXC-1, TT-1D/TXC-1, TT-1E/TXC-1, and TT-1F/TXC-1.
• Lead Screw
• Exciter Lamp Socket
• Objective Lens
• Figure 120. Transmitter optical system, Facsimile Transceivers TT-1/TXC-1, TT-1A/TXC-1, TT-1B/TXC-1, and TT-1C/TXC-1
• Transmitter Optical System
• Figure 121. Transmitter optical system, Facsimile Transceivers TT-1D/TXC-1, TT-1E/TXC-1, and TT-1F/TXC-1.
• Recorder Optical System
• Testing Alinement of Recorder Optical System
• Recorder Optical System, Parts Description
• Fork Oscillator Unit
• Figure 124. Special tools.
• Signal Amplifier
• Figure 125. Stylus holder assembly, Facsimile Transceivers TT-1/TXC-1,TT-1A/TXC-1, and TT-1B/TXC-1
• Figure 126. Stylus holder assembly, Facsimile Transceiver TT-1C/TXC-1.
• DB METER Circuit
• Hum Balance Control R107
• Emergency Transmitting Allowances
• Emergency RECORD DIRECT Allowances
• Section V. DISASSEMBLY AND LUBRICATION OF EQUIPMENT AT FIELD MAINTENANCE LEVEL
• Lead-Screw Bearings
• Section VI. FINAL TESTING
• Receiving
• Figure 128. Facsimile Transceivers TT-1/TXC-1 and TT-1A/TXC-1, bottom view, parts identification.
• Figure 130. Facsimile Transceiver TT-1C/TXC-1, botttom view, parts identification.
• Facsimile Transceiver TT-1D/TXC-1, bottom view, parts identification.
• Figure 133. Facsimile Transceiver TT-1F/TXC-1, bottom view, parts identification
• Figure 134. Facsimile Transceiver TT-1/TXC-1, rear view, parts identification.
• Figure 137. Facsimile Transceivers TT-1D/TXC-1 and TT-1E/TXC-1, rear view, parts identification.
• Figure 138. Facsimile Transceiver TT-1F/TXC-1, rear view, parts identification.
• Figure 141. Facsimile Transceiver TT-1/TXC-1, rear of front panel, parts identification.
• Figure 142. Facsimile Transceiver TT-1A/TXC-1, rear of front panel, parts identification.
• Figure 143. Facsimile Transceivers TT-1B/TXC-1 and TT-1C/TXC-1, rear of front panel, parts identification.
• Figure 145. Unsealed fork oscillator unit, parts identification.
• Figure 146. Sealed fork oscillator unit, Facsimile Sets AN/TXC-1, AN/TXC-1A, and AN/TXC-1B. parts identification
• Figure 148. Facsimile Transceiver TT-1B/TXC-1
• Figure 149. Facsimile Transceiver TT-1C/TXC-1, top view, parts identification.
• Figure
• Figure
• Figure 152. Rectifier Power Unit PP-86/TXC-1, bottom view, parts identification.
• Figure 154. Rectifier Power Unit PP-86A/ TXC-1, furnished on Order No. 21761-Phila-50, bottom view, parts identification.
• Figure 155. Rectifier Power Unit PP-86B/TXC-1, bottom view, parts identification.
• Figure 158. Rectifier Power Unit PP-86E/TXC-1, bottom view, parts identification
• CHAPTER 7 SHIPMENT AND LIMITED STORAGE AND DEMOLITION TO PREVENT ENEMY USE
• Figure 157. Unsealed fork oscillator unit, schematic diagram
• Figure 158. Rectifier Power Unit PP-86/TXC-1, schematic diagram.
• Figure 159. Rectifier Power Unit PP-86A/TXC-1, furnished previous to Order No. 21751-Phila-50, schematic diagram.
• Figure 160. Rectifier Power Unit PP-86A/TXC-1. furnished on Order No. 6437-Philia-51, schemataic diagarm
• Figure 161. Rectifier Powre Unit PP-86E/TXC-1, schematic diagram
• Figure 162. Modification of a portion of schematic of Rectifier Power Unit PP-86(*)/TXC-1
• Figure 165. Modified schematic of loudspeaker jack.
• Figure 170. Automatic stop circuit Facsimile Transceiver TT-1(*)/TXC-1.
• Figure 176. Unsealed fork oscillator unit, wiring diagram
• Figure 173. Sealed fork oscillator unit, wiring diagram.
• Figure 174. Sealed fork oscillator unit, schematic digram
• Figure 175. Rectifier Power Unit PP-86/TXC-1, wiring diagram
• Figure 176. Rectifier Power Unit PP-86A/TXC-1, furnished on Order no. 6437-Phila-51, wiring diagram
• Figure 177. Rectifier Power Unit PP-86E/TXC-1, wiring diagram
• Figure 178. Facsimile Transceivers TT-1/TXC-1 and TT-1A/TXC-1, regulator panel wiring diagram.
• Figure 179. Facsimile Transceivers TT-1B/TXC-1, TT-1C/TXC-1, TT-1D/TXC-1, and TT-1E/TXC-1, regulator panel wiring diagram
• Figure 180. Facsimile Transceiver TT-1F/TXC-1, regulator panel wiring diagram.
• Figure 182. Facsimile Transceiver TT-1/TXC-1, front panel wiring diagram
• Figure 189. Facsimile Transceiver TT-1D/TXC-1, chassis wiring diagram
• Figure 190. Facsimile Transceiver TT-1D/TXC-1 and TT-1E/TXC-1, front panel wiring diagram
• Figure 191. Facsimile Transceiver TT-1E/TXC-1, chassis wiring diagram
• Figure 194. Resistor color code marking
• Figure 195. Capacitor color code marking
• INDEX
• INDEX cont'd
• INDEX cont'd
• INDEX cont'd
• INDEX cont'd
• BY ORDER OF THE SECRETARIES OF THE ARMY AND THE AIR FORCE:
• Figure 193. Facsimile Tranceiver TT-1F/TXC-1, front panel wiring diagram
• Figure 192. Facsimile Transceiver TT-1F/TXC-1, chassis wiring diagram
• Figure 188. Facsimile Transceiver TT-1C/TXC-1, wiring diagram, showing selector switch.
• Figure 187. Facsimile Transceiver TT-1C/TXC-1, chassis wiring diagram
• Figure 186. Facsimile Transceiver TT-1B/TXC-1, front panel wiring diagram.
• Figure 185. Facsimile Transceiver TT-1B/TXC-1, chassis wiring diagram
• Figure 184. Facsimile Transceiver TT-1B/TXC-1, front panel wiring diagram
• Figure 183. Facsimile Transceiver TT-1A/TXC-1, chassis wiring diagram
• Figure 181. Facsimile Transceiver TT-1/TXC-1, chassis wiring diagram
• Figure 171. Facsimile Transceiver TT-1F/TXC-1, schematic diagram
• Figure 169. Facsimile Transceiver TT-1B/TXC-1, schematic diagram
• Figure 168. Facsimile Transceiver TT-1D/TXC-1, schematic diagram
• Figure 167. Facsimile Transceiver TT-1C/TXC-1, schematic diagram
• Figure 166. Facsimile Transceiver TT-1B/TXC-1, schematic diagram
• Figure 164. Facsimile Transceiver TT-1A/TXC-1, schematic diagram
• Figure 163. Facsimile Transceiver TT-1/TXC-1, schematic diagram
• Official Business
• TM-11-2258
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