Chapter 1. INTRODUCTION - TM-11-5805-356-34-10008Chapter 2. FUNCTIONING OF TH-22/TG AND f-316/U EQUIPMENTSimplified Block Diagram Analysis, F-316/UFigure 2-1. Terminal, Telegraph TH-22/TG, Simplified block diagramFigure 2-2. Filter Assembly F-316U, simplified block diagram.Figure 2-3. Send telegraph signal time delay waveforms.Alarm Circuit (Vf)Section II. SCHEMATIC DIAGRAM, TH-22/TGReceive CircuitLimiter-Amplifier A3Q2-A3Q3.Differential Amplifier A3Q8-A3Q10.Rectifier A2CR1Threshold CircuitElectronic Switch A3Q12Overvoltage Protector Q1-CR1Chapter 3. DIRECT SUPPORT MAINTENANCE INSTRUCTIONVoltage readings for receive card 1A3.Continuity TestFigure 3-1. TH-22/TG chassis voltage and resistance diagramFigure 3-2. TH-22/TG chassis terminal board 1TB1 voltage and resistance diagramSection III. TROUBLESHOOTING - TM-11-5805-356-34-10028Send Loop Current Test.Receive Circuit Sensitivity Test.Troubleshooting Chart - TM-11-5805-356-34-10031Troubleshooting Chart - continued - TM-11-5805-356-34-10032Troubleshooting Chart - continued - TM-11-5805-356-34-10033Figure 3-3. TH-22/TG chassis, top view.Figure 3-4. TH-22/TG chassis with pc boards removed, top view.Figure 3-5. TH22/TG chassis with pc boards in test position, rear view.Figure 3-6. TH-22/TG chassis, bottom viewFigure 3-7. Send card 1A1, component layout and wiring diagram.Figure 3-8. Break-in detector 1A2, components layout and wiring diagramSection IV. MAINTENANCE OF TH-22/TG - TM-11-5805-356-34-10040Receive Circuit Bias AdjustmentChapter 4. GENERAL SUPPORT MAINTENANCE INSTRUCTIONS - TM-11-5805-356-34-10042Section III. TROUBLESHOOTING - TM-11-5805-356-34-10043Section IV. MAINTENANCE OF TH-22/TG - TM-11-5805-356-34-10044Send Oscillator Frequency AdjustmentSection V. GENERAL SUPPORT TESTING PROCEDURESProcedure. - TM-11-5805-356-34-10047TH-22/TG 4-Wire Operational TestF-316/U Operational TestProcedure - TM-11-5805-356-34-10050Figure 4-1. Operational test setupAppendix A. REFERENCES - TM-11-5805-356-34-10052Figure FO-1. MIL-STD color code marking for resistors, inductors and capacitorsFigure FO-2. Terminal, Telegraph TH-22/TG, detailed block diagramFigure FO-4. Terminal, Telegraph TH-22/TG, schematic diagramFigure FO-4(1). Terminal, Telegraph TH-22/TG, wiring diagram (sheet 1 of 2)Figure FO-4(2). Terminal, Telegraph TH-22/TG, wiring diagram (sheet 2 of 2)TM-11-5805-356-34-1 Terminal Telegraph TH-22/TG and Filter Assembly Electrical F-316/U Manual