[R-390] I. Knobology Dynamic Testing Monthly Test

[Flowertime01 at wmconnect.com]

I. Knobology Dynamic Testing Monthly Test
___ 01 Set the Function Switch to MGC
___ 02 Eye ball the receiver in the dark for blue tube glow
___ 03 Eye ball the dial lights
___ 04 Get the head phones adjusted over the ears
___ 05 Set the Line Meter to 0
___ 06 Set the Line gain to 10
___ 07 Set the ANT Trim to 0
___ 08 Set the AGC to MED
___ 09 Set the LIMITER to OFF
___ 10 Set the Band Width to 2KHz
___ 11 Set the BFO Pitch to 0
___ 12 Set the BFO OFF
___ 13 Set the Breakin OFF
___ 14 Set the Audio Response to wide
___ 15 Set the Zero Adjust to center and confirm knob is not loose
___ 16 Release the Dial Lock and confirm knob is not loose
___ 17 Set the Local Audio to max and confirm knob is not loose
___ 18 Set the RF to max and confirm knob is not loose
___ 19 Run the Local Audio from end to end and confirm knob is not loose
___ 20 Listen for pot pop in the head phones
___ 21 Confirm Local Audio pot V603, V602A are good
___ 22 Switch the band pass filter from wide to sharp to wide
___ 23 Confirm band pass filter knob is not loose
___ 24 Listen for switch pop in the head phones
___ 25 Listen for narrow audio responce in the head phones
___ 26 Confirm Filter, switch, V601A are good
___ 27 Set the LIMITER to ON
___ 28 Listen for switch pop in the head phones
___ 29 Run the LIMITER pot from end to end
___ 30 Listen for a change in Audio spectrum
___ 31 Set the LIMITER to OFF and confirm knob is not loose
___ 32 Confirm Limiter switch, V507 are good
___ 33 Set the Function to CAL
___ 34 Listen for the Antenna Relay to click between MGC and CAL
___ 35 Set the BFO ON and confirm knob is not loose
___ 36 Set the Khz to 500Khz
___ 37 Vary the BFO Pitch and confirm knob is not loose
___ 38 Confirm the BFO pitch goes through zero and the knob stops work
___ 39 Set the Band Width to .1Khz, 1Khz, 2KHz, 4Khz, 8Khz, 16Khz
___ 40 Listen for a change in Audio spectrum and confirm knob is not loose
___ 41 Set the Band Width to .1Khz
___ 42 Set the BFO Pitch to zero, confirm knob adjustment for zero is good
___ 43 Vary the Khz Knob to get a zero BFO through the .1KHz
___ 44 Confirm V505, V701, V506B, V504, V503, V502, V501 are good
___ 45 Set the Band Width to 4Khz
___ 46 Set the MHz to 00
___ 47 Verify Mhz stop at 00
___ 48 Set the Khz to 500Khz and listen for a cal tone
___ 49 Move the Mhz knob up one detent
___ 50 Verify detent seats, verify band switch changes as needed
___ 51 Verify 2nd Crystal Oscillator crystal is within 1KHz on each Mhz
___ 52 Move the Mhz knob up one detent
___ 53 Verify Mhz stop at 31
___ 54 Dial Khz to 000
___ 55 Check counter under run
___ 56 Dial Khz to 000 and null cal tone to zero with BFO
___ 57 Dial Khz to each 100 KHz and note VFO spread
___ 58 Dial Khz to 900 and note that total VFO spread is less than 300 Hz
___ 59 Check counter over run
___ 60 Ground break in and set break in ON
___ 61 Confirm audio mutes
___ 62 Set break in OFF
___ 63 Confirm antenna relay operation in STANDBY and CAL
___ 64 Set the Function to AGC
___ 65 Set the AGC to SLOW, MED, FAST
___ 66 Observe that the carrier meter moves upscale and drops back to zero
___ 67 Set the Function to CAL
___ 68 Set the BFO ON
___ 69 Dial KHz to a cal tone and adjust BFO for a tone
___ 70 Set the line gain to max
___ 71 Set the line meter switch to 0
___ 72 Set the line gain for a meter indication of 0
___ 73 Set the line meter switch to +10
___ 74 Observe the line meter reads -10
___ 75 CARRIER LEVEL meter deflection of at least 40 dB on Cal tone
___ 76 Set the Function to AGC
___ 77 Tune KILOCYCLE CHANGE control across any band
___ 78 Tune KILOCYCLE CHANGE control through several signals
___ 79 Output volume should be nearly constant
___ 80 Tune KILOCYCLE CHANGE control to one signal
___ 81 CARRIER LEVEL meter indicates strength of received signals
___ 82 Rotate ANT TRIM control to peak CARRIER LEVEL meter
___ 83 Set FUNCTION switch to MGC
___ 84 Tune the receiver away from any signal
___ 85 CARRIER LEVEL should not indicate (read zero)
</HTML>