Chassis Mounted Components | HP TM 11-6625-2779-14&P manual

Model 3555B						Section VI
			Table 6-1. Replaceable Parts (Cont'd)

REFERENCE	-hp-	TQ		DESCRIPTION	MFR.	MFR. PART NO.
DESIGNATOR	PART NO.

A4 (Cont'd)
R47	0698-7370	1		R: fxd met flm 17.579 kilohms +/-0.1% 1/8W	91637	CMF-1/10-32	obd
R48	0684-1051			R: fxd comp 1 megohm +/-10% 1/4W	01121	CB1051
R49	0684-1021			R: fxd comp 1000 ohms +/-10% 1/4W	01121	CB1021
	03565-60104	1		Chassis Ass’y: power supply	-hp-
				CHASSIS MOUNTED COMPONENTS
BT1	1420-0026	1		Battery: 45V	83740	No. 482
C1	0180-2230	1		C: fxd A1 elect 150uF - 10% + 100% 200 vdcw	56289	62D10046-DFP
C2	0180-0149	1		C: fxd A1 elect 65uF 60 vdcw	hp-
C3	0180-0393			C: fxd Ta elect 39uF +/-10% -10 vdcw	37942	TAS396K010P1C
C4*	0160-0987	1		C: fxd mica 12pF +/-5%	72136	RDM15C120J5S
C5	0150-0023	1		C: fxd cer 2000oF +/-20% 1000 vdcw	56289	20C295A2-CDH
C6	0160-0195	1		C: fxd cer 1000 pF 20% 250 vac	56289	19C251A1-CDH
CR1-4	1901-0025	4		Diode: Si 100 wiv 12pF 100mA	24446	SS410
CR6	1901-0040	1		Diode: Si 30 V 50 mA	-hp-
DS1,DS2	2140-0298	2		Neon lamp	74276	A230
F1	2110-0320	2		Fuse: 0.15A 125V Slo-Blo	71400	MDL 15/100
	1400-0085	2		Holder: fuse	75915	342004
J1	1251-2357	1		Connector: AC power cord receptacle	82389	EAC-301
J2	1251-1900	4		Jack: telephone	82389	22A	obd
J3	1200-0163	1		Receptacle: 5 pin	74868	78PCG5
J4	1251-1144	1		Jack: telephone	82389	MT-342B
J5	1251-1143			Jack: telephone	82389	MT-332B
J6,J7	1251-0065	4		Jack: telephone	82389	MT-331
J8,J9	1510-0084	2		Binding post: red	-hp-
J10	1510-0087	1		Binding post Ass'y	-hp-
J11	1510-0531	1		Binding post Ass'y	-hp-
J12,J13	1251-0065			Jack: telephone	82389	MT-331
J14	1251-1143			Jack: telephone	82389	MT-332B
J17	1250-1053	1		Jack: coaxial	70674	CJ-1010
J18	1251-1143			Jack: telephone	82389	MT-332B
L1	9100-1390	1		Inductor: audio	-hp-
L2	9140-0088	1		Inductor: fxd .33uH +%-5% 200mA	95262	NB 0.37 PS
M1	1120-0909	1		Meter: log calibrated	-hp-

6-7

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HP TM 11-6625-2779-14&P manual Chassis Mounted Components

Contents

HEADQUARTERS, Department of the Army Reporting Errors and Recommending Improvements TM 11-6625-2779-14&PTechnical Manual Headquarters Department of the Army NSN Replaceable Parts List of Illustrations List of TablesIii Maintenance Forms, Records, and Reports Section IntroductionScope Administrative Storage Destruction of Army Electronics MaterielReporting Equipment Improvement Recommendations EIR Items Comprising an Operable Equipment Specifications Voice Frequency Level Measurements 20Hz to 20kHz Section Section General Information Introduction Accessory Equipment Supplied Accessory Equipment SuppliedInstrument Identification BAL Modification Section Installation Inspection Warranty ExceptionPower Requirements Battery Installation and Removal of Battery Cover Removal Controls Connectors Indicators BatterySection Operating Instructions Front Panel Controls, Indicators, and Connectors Front, Side and Rear Pane Side Panel Controls and Connectors Level and Noise Measurements Level MeasurementsPage Noise Measurement Recorder Compatibility Applications Recorder Compatibility Chart Identifying Noise Characteristics Transmission Loss MeasurementsCrosstalk Measurements Crosstalk Correction Factor Measurements in DBC Reinstall the set in its case 0dBmInput jacks are connected in parallel. If a 600 ohm 135 BAL Step Procedure Level Measurement Noise Metallic Measurements Noise-to-Ground Measurements Balance Measurement Recorder CalibrationExample Transmission Loss Measurement Block Diagram Description Section Theory of Operation Introduction Detailed Circuit Description Simplified Dial BAT Function Input Amplifier A3. Schematic No Range Attenuator A2 Setting Attenuation FILTERS. Schematic NoRange Attenuator Pads Used KHz Flat and Program Weighting Curves C-MSG and 1SkHz Flat Weighting Curves Meter AMPLIFIER. Schematic No DETECTOR. Schematic No Power Supply and Series Regulator Schematic No Section Maintenance Introouction Instrument Recommended Type Required Characteristics ModelFactory Selected Values BAL Conversion Performance Checks Level Accuracy ChecksFunction CARRIER, 75 Unbal TMS, Term Unbal Carrier Accuracy Check RangeFrequency 30Hz to 1MHz 100Hz to 600kHz 1MHz to 3MHz Return Loss Check 20Hz to 20kHz 40Hz to 15kHz 100Hz to 20kHz 100Hz to 15kHz Return Loss Test Set-Up Filter Response Checks Filter Response ChecksMSG dBm 3kHz Flat dBm 15kHz Flat dBm Program dBm Input Balance Bridging LossTMS Brdg Input TMS Brdg Adjustment and Calibration Procedure Power Supply CheckUnbal Calibration Attenuator Calibration Frequency Response Adjustment Common Mode AdjustmentBalance Check Assembly Removal Troubleshooting ProceduresFilter Calibration Troubleshooting Tree Front Panel Trouble Analysis Dial BAT Front Panel Troubleshooting Function TroubleshootingRange Troubleshooting Front Panel Trouble Analysis Contd Troubleshooting Input Amplifier Filter TroubleshootingTroubleshooting the Meter Amplifier and Detector Defective Function Function Switch Resistance Values Function Input Jacks DIAL/AC MON JacksTip to Ring Tip to Ground Ring to Ground Brdg Term 11. Factory Selected Values 10. Resistance ChecksRange dBm Pin 1 to Pin 2 to Performance Check Test Card Description CheckCarrier 75 Unbal Level Accuracy Check Carrier 135 BAL Level Accuracy Check Performance Check Test Card Contd Carrier 600 BAL Level Accuracy Check Return Loss Check Filter Response Checks MSGProgram Bridging Loss Check Section Replaceable Parts Introduction Ordering Information Replaceable Parts 03555-66507 PC Board Assy function Replaceable Parts Contd 03555-66508 Board Assy amplifier A3 Contd 03555-66506 PC Board Assy filter A4 Contd Chassis Mounted Components Chassis Mounted Components Contd Miscellaneous Miscellaneous Contd Replacement National Part Stock Number Fscm Part Number National Stock Number Cross Reference IndexFscm National Stock NumberPage Model 3555B Appendix a Code List of Manufacturers Circuit Diagrams Functional Block DiagramSchematic Diagrams Reference Designations Section Model 3555B Functional Block Diagram 7-4 A1 Function Assembly Schematic and Component Location 7-6 7-8 A4 Filter Schematic and Component Location 7-10 11/7-12 Appendix a References Maintenance Allocation Section I. Introduction General Maintenance FunctionAppendix B Column Entries Tool and Test Equipment Requiremen ts Sec Remarks Sec Audio Level Meter TA-885/U TM 11-7725-2779-14&P REF Code Number Appendix C Manual Backdating ChangesTransmission and Noise Measuring SET Delete CR6 across M1 Government Printing Office 1980-603-128/66 General, United States Army Chief of StaffMajor General, United States Army Adjutant General Active ArmyPage PIN