Me 6-3. Replaceable Parts, Rev.1 7MAY88 | Agilent Technologies 2948

Model 8904A

Replaceable Parts

Reference	HP Part	C
Designation	Number	D
A3CRlO-16	1901-0050
A3CR17	1901-0050
M C R l 8	1901-0050
A3CRl9-25	1901-0028
A3CR26	1901-0028
A3CR27	1901-0028
A3CR28-201	1901-0518
A3CR2M	1901-0518
A3CR203	1901-0518
A3CR204	1901-0518
A3CR205	1901-0518
A3CR206	1901-0050	3
A3CR207	1901-0050	3
A3CR208	1901-0050	3
A3CR209	1901-0050	3
A3CR210	1901-0050
A3CR211	1902-0627
A3CR212	1901-0518
A3CR213-299	1901-0050
A3CR300	1901-0050
A3CR301	1901-0050	3
A3CR302-403		3
A3CR404	1901-0050	3
A3CR405	1901-0050	3
A3CR406	1901-0050	3
A3CR407	1901-0050	3
A3CR408	1901-0873	8
A3CR409	1901-0873	8
A3CR410	1901-0873	8
A3CR411	1901-0873	8
A3CR412414
2712A to 2747A
A3CR415	1901-0050
A3CR416	1901-0050
A3CR417	1901-0050
A3CR418	1901-0050
2817A and above	1901-0880
A3CR415	1901-0880
A3CR.116	1901-0880
A3CR417	1901-0880
A3CR416	1901-0860
A3CR419	1901-0050
A3CR420	1901-0050
A3CR421	1901-0050
A3CR422	1901-0050
A3CR423	1902-0627
A3CR424	1902-0627
A3CR425	1902-0627
A3CR426	1902-0627
A3CR427	1901-0050
A3CR428	1901-0050

%Me 6-3. Replaceable Parts

Qty.	Description	Mfr*	Mfr. Part Number
		Code
	NOT ASSIGNED	9N171	1N4150
	DIODE-SWITCHING8OV 2WMA 2NS 00-35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO-35	9N171	1N4150
	NOT ASSIGNED	28480
	DIODE-PWR RECT 400V 750MA DO-29	28480	1901-0028
	DIODE-PWR RECT 400V 750MA DO-29	28480	1901-0028
	NOT ASSIGNED	28480	1901-0518
5	DIODE-SMSIG SCHOTTKY	28480	1901-0518
	DIODE-SMSIG SCHOTTKY	28480	1901-0518
	DIODE-SM SIG SCHOTTKY	28480	1901-0518
	DIODE-SM SIG SCHOTTKY	28480	1901-0518
	NOT ASSIGNED	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO-35	9N171	1N4150
	NOT ASSIGNED	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO-35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO35	9N171	1N4150
5	DIODE-CUR RGLTR 1N5312 1WV DO-7	04713	1N5312
	DIODE-SMSIG SCHOTTKY	28480	1901-0518
	NOT ASSIGNED	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO-35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO-35	9N171	1N4150
	NOT ASSIGNED
	DIODE-SWITCHING8OV 200MA 2NS DO35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO-35	9N171	1N4150
4	DIODE-HV RECT WOV 1A	28480	1901-0873
	DIODE-HVRECT 600V 1A	28480	19014873
	DIODE-HVRECT 600V 1A	28480	19014873
	DIODE-HVRECT 600V 1A	28480	1901-0873
	NOT ASSIGNED
	DIODE-SWITCHING8OV 200MA 2NS DO35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO35	9N171	1N4150
	DIODE-SWITCHING8OV200MA 2NS 00-35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO35	9N171	1N4150
	DIODE-GEN PRP 125MA DO-35	28480	1901-0880
	DIODE-GEN PRP 125MA 00-35	28480	1901-0880
	DIODE-GEN PRP 125MA DO-35	28480	1901-0880
	DIODE-GEN PRP 125MA DO45	28480	1901-0880
	DIODE-SWITCHING8OV 200MA 2NS DO-35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO-35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO45	9N171	1N4150
	DIODE-CUR RGLTR 1N5312 1OOV DO-7	04713	1N5312
	DIODE-CUR RGLTR 1N5312 1OOV DO-7	04713	1N5312
	DIODE-CUR RGLTR 1N5312 1OOV DO-7	04713	1N5312
	DIODE-CUR RGLTR 1NS312 lOOV DO-7	04713	1N5312
	DIODE-SWITCHING8OV 200MA 2NS DO35	9N171	1N4150
	DIODE-SWITCHING8OV 200MA 2NS DO-35	9N171	1N4150

t h f e r to Section 7 for update information.

*Factory Selected Component (Refer to Section 5).

rev.1 7MAY88

6-9

Image 17

Agilent Technologies 2948, 2712A manual Me 6-3. Replaceable Parts, Rev.1 7MAY88, Reference HP Part Designation Number

Contents

Innovating the HPWay Agilent Technologies Copyright@ HEWLETT-PACKARD Company Multifunction Synthesizer Regulatory Information Safety Considerations Safety Considerationsfor this Instrument Product Markings Contents Reu.200CT88 Service cont’d Section Reference Designationsand Abbreviations Used in this Manual Replaceable Parts ListIntroductionto this Section How to Order Replaceable Parts List Updating Manual Updates Nable 6-1.Reference Designations AccessAbbreviations 1 ALC Abbreviations 2 Rev.01JUL91 Replaceable PartsDescription Number Code CAPACITOR-FXD22PF +-5% Poovdc CER 0+-30 Not Assigned Fible 6-3.Replaceable PartsHPPart Description Number Mfr- Mfr. Part Number Code Designation Number Reference HP Part Description Mfr Reference HP Part Description Designation Number Reference HP Part Designation Number Me 6-3. Replaceable PartsRev.1 7MAY88 Not Assigned Connector Spin M Post Type DIODE-SWITCHING 80V 200MA 2NS DO45CONNECTOR-RFSMC M PC 5 W H M CONNECTOR-RF SMC M PC W H M Reference Mfr HP Part Description Cable 6-3.Replaceable PartsRESISTOR-TRMR 1K 10% C TOP-ADJ 17-TRN RESISTOR-TRMR20K 10% C TOP-ADJ 17-TRN 0698-3430 Mfr. Part Number Description Mfr Rev.17MAY88 IC OP AMP Prcn 8-DIP-C PKG Transistor Array 16-PIN Plstc DIPIC Instm Ampl CUR 10-DIP-P PKG IC OP AMP LOW-BIAS-H-IMPD 8-DIP4 PKG HPPart Description Nble 6-3. Replaceable Parts L e 6-3. Replaceable Parts A10 HPPart Miscellaneous PartsBle 6-3.Replaceable Parts Designation Number Code Reference HPPart Description Mfr Rnftsund Plstem DOME-HD .125DIA Deck AssyRIVET-BUND PL-STEM DOME-HD .125DIA RIVET-BUND Plstem Domehd .125DIA Not Separaretlyreplaceable PANEL, Front AYKeypad Punched Shield Display QW. Description Reference HPPart Designation Number Qty.Description Designation Code Order by Description Lbble 6-3. Replaceable PartsMfrm Mfr. Part Number Code IZZ-9 Main Deck Assembly Top, 2923A and above Model 8904A Main Deck Assembly Bottom Main Deck Assembly Bottom, Option 006 2948A and above Reu.30NOV89 Front Panel Assembly, 2923A and above Rent Panel Assembly, Option 006 2948A and above Reu.30NOV89 Rear Panel Assembly Rear Panel Assembly, Option 005 2948A and above Rev.30N0 Rev.ZSSEP88 Covers, Labels, and ROMs Output Cables 1 Output Cables, Option 005 29484 and above 2 Rev.30N0V89 Table of Contents Number 2942A and below Option ConversionsRev.15DEC89 Revision 22987A with HP 08904-8701 0 as A2U12 Instrument ModificationsTitled Hardware Modifications FRONT-TO-REAR-PANELOUTPUT Conversion Description Modification ProcedureParts Required Tools Required Operation Verification Fl Channel Config Rev.15DEC89 Rear-to-Front-Panel Output Conversion REAR-TO-FRONT-PANELOUTPUT ConversionDescription Fl Channel Config Ront Panel Output Hardware Output Cable Routing ALL Options Different function Firmware Updates A2U12 and A2U13Rev.01JUL91 Firmware UpdatesBardware Modifications Serial Prefix 2737A and below Modification for Possible Ground Wire Shock Hazard Firmware Updates/Hardware Modifications Parts Location Shown with Power Supply Removed Firmware Updates/Hardware Modifications Ground Wire Wrapping Modification for Output Overvoltage Protection Improvement Parts ListHPPartNumber ~~ Qty Description Fixed Resistor, 261 or Cabinet Parts Color Change Modification for Potential Power Supply Short Reu.15DEC89 Firmware UpdatesIHardwareModifications 1. Modificationfor Front Panel Assembly Removing the Front Panel Installingthe Front Panel Dont-Panel Assembly, 2923A and above Section Service A3 or A10 Output Assembly Phase Synchronization Option HOW the Section is Organized Safety ConsiderationsBefore Applying Power Iwarning Schematic Symbology and Schematic Diagram Notes Service TOOLS, HELPS, and Information Pin of socket Schematic Diagram Notes 1 Schematic Diagram Notes 2 Schematic Diagram Notes 3 Digital Symbology Reference Information Llzble 8-1.Schematic Diagram Notes 4 Combinational Logic Symbols and Functions Schematic Diagram Notes 5 Schematic Diagram Notes 6 Digital Symbology Reference Information Only with D-type flip-flops Gate and Dependency-Binary Schematic Diagram Notes 7 Miscellaneous Llable 8-1.Schematic Diagram Notes 8of Schematic Diagram Notes 9 Service Active Levels Schematic Diagram Notes 10 Enable Schematic Diagram Notes 11 How Waveforms Are Generated Principles of Operation OverallWhat the Multifunction Synthesizer Can Do Channel a Generating Staircases in the Phase Accumulator Output of the Phase Adder for P=O, 1, Further Digital Waveform Processing with Options Freouency SUM Pulse Level Phase @PHASE FreouencyPulse Reu.15DEC89 Principles of Operation Overall Analog Waveform ProcessingInterrelationshipof the Circuit Assemblies Synthesizer PASSY- t General A2 Digital Assembly Track-and-Hold Circuit Service Sheet A3 Output Assembly Service Sheets 1 through GeneralDigital-to-Analog Converter Service Sheet Simplified Diagram of the Sampler Drive 10.Simplified Diagram of the Sampler Amplifier Audio Amplifier Service Sheet Low-Pass Filters Service SheetSine X/X CompensationService Sheet 12, and 24 dB Attenuators Service Sheet Overvoltage Protectionand Output Circuits Service Sheet Floating Amplifier Driver and On/Off Switch Service SheetFloating Output Amplifier Service Sheet Rev.15DEC89 Troubleshooting General Troubleshooting General Equipment A2 Digital Assembly to A3 or A10 Output Assembly InterfaceProcedure 1. How to Access A3 in Instruments Equipped with Option Serial Prefix Troubleshooting Digital/Output Interface Period Fl Channel Config Pin Frequency Hz Fl Channel Config IC Pin Level Function A3 Key Sequence A10 Key SequenceA3/A10 Connection F3 Memory Map Access Pin Clocks A10J1 and J5 Miscellaneous Control Fl Keyboard Check A2 Digital Assembly to A1 Keyboard Assembly Interface Pin Key Pressed Response lTL AMPTD, Wave Form Key Sequence Annunciator Status IC on A2 Pin Level lTL F3 Memory Map Access Description A2 Digital Assembly to A5 Display Assembly Interface A3 or A10 Output Assembly Troubleshooting Phase Synchronization Phase Synchronizationoption HP 8904A Opts After keying in 8 7, the display should be IFirmware Revision 18387A Serial No HP 8904A Opts 02/01 IFirmware Revision 18387A Serial No After keying in 4 8, the display should be Begin again at step Troubleshooting Memory Backup Battery 48.1 HOW to Replace the Memory Backup BatteryTools and Supplies Parts Troubleshooting Memory Backup Battery 48.3 Rev.15DEC89 Troubleshooting Memory Backup BatteryPage N a 12.4. Line Voltage Wiring Harness R300 A3 Component Coordinates 1 L0nA Current Source Ipower Supply Conditioners Comp A3 Component Coordinates 2 Rev.28MAR89 On the A3 schematicSs2 31901 N3AILlO ONV I813IldIll3 JJOlfl3 dWHS 15.Service Sheet Information Component Locator Rev.28MAR89 54.1 Changes Ampto Instrument Settings Measure Aooitions I T I a L Instrument SettingsCoup OUT K2A Component Coordinates 1 + a 56.1 Ss4 Ss4 A6 Schematic and Component locator Ss5 0 A3/A10 Output Assembly