Electronics Revisited, LLC

HP 8640B Test and Verification Procedure

Serial Number:_______________________

Date: _____________ Tech:___________

Source:_____________________________

Mechanical:

____ C/L AM slider

____ C/L FM slider

____ C/L Varactor gears

____ C/L Fine tuning

____ C/L FM Range and Frequency Assembly

____ Check all contact fingers on FM Range and Freq Assemb

____ Check contact fingers on Attenuator

____ Check all gears on FM Range and Freq Assemb.

____ Check all gears on Varactor Assemb

____ C/L Modulation Frequency Selector

____ C/L Lube Mechanics on Var Mod (option 001 only)

____ C/L three meter select push buttons

____ Verify button caps remain tight on meter select

____ C/L six buttons on freq. counter assembly

____ Check for loose/missing hardware

____ Check all gearing for slippage

____ C/L top and bottom covers

____ C/L front panel

____ Check screw tightness,all flange mtd. transistors

____ Check power switch and lamp

____ Check for missing external or Internal hardware

____ Check Analog Meter "Zero" reading

Electrical:

____ Check all power supply voltages

____ Check all six meter select lamps

____ Check "Reduce Peak Power" Lamp

____ Check "Reduce AM Vernier" Lamp

____ Check "Reduce Peak Deviation" Lamp

____ Check all three range lamps

____ Check all 7-seg frequency display assemb

____ Verify output for all output sel. w/correct meter readings

____ Check Analog Meter smooth w/ no snags or skips.

____ Check frequency display/output for all frequency select ranges

____ Calibrate frequency against GPS Standard

____ Check x10 Scale select

____ Check x100 Scale select

____ Affix calibration label (frequency only)

____ Check frequency doubler (opt 002 only)

____ Check frequency display uncal selector

____ Check and cal int AM mod for all mod freq w/scope

____ Null at A2TP3 w/A2R15 per manual

____ Null at A2TP4 w/A2R14 per manual

____ Check at A26A2TP1, adj A2R29

____ Check/Adjust A26R19 for 100% AM mod

____ Check modulation frequency at front panel BNC

_____ 400 Hz

_____ 1000 Hz

_____ All other ranges if Opt 001 installed

____ Check External AM/AC input

____ Check External AM/DC input

____ Check Pulse modulation

____ Check Internal FM modulation with Ext mod meter

____ Check External FM/AC input

____ Check External FM/DC input

____ Check FM/Cal setting

____ Check external frequency counter input functional

____ check 0-10 range

____ check 10-550 range

____ Check phase lock function

____ Check ½ digit function if so equipt

____ Check rear panel BNC Auxiliary output

____ Check rear BNC ext reference w/ Int/Ext switch

____ Check power cord for nicks, etc.

____ Perform 2-4 hour burn-in

____ Re-Verify freq cal against GPS reference

____ Re-Verify Internal FM/AM/Pulse modulation

____ Re-Verify all outputs

____ Rd-Verify all meter functions and lamps

Pre-Shipment Tests:

____ Re-verify power up and freq outputs

____ Apply warranty tags

___ Opt 001 _________________

___ Opt 002 _________ RRA #

___ Opt 003 ________________ Client

___ Opt 004

Definitions:

C/L = C/L and Lube

Check = Check, adjust, replace and/or repair as required.

Verify= Confirm Functional, repair/replace as required. (May also require Re-check if post burn-in)

Notes: