497-022-0-599 B&K Precision, 497-022-0-599 Datasheet - Page 2

• Manufacturer Part Number: 497-022-0-599
• Description: Audio/Video Test Equipment 467/470/480/490/490B
• Manufacturer: B&K Precision

Specifications of 497-022-0-599

• Equipment Type: Video Tester
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

STEP 1: Set-Up
Set all controls fully counterclockwise and G2 switch (upper left) to NORM. Find proper adapter
and heater voltage in SET-UP chart. Select HTR RANGE. Plug in tube and power cord. Rotate
FUNCTION switch to SET-UP . Adjust SET HTR to read specified HTR VOLTS. Set G1 voltage
to 50 volts unless there is a * (asterisk) in the SET_UP CHART (see General Notes). Check
LEAKAGE lamps. Lamps will glow if leakage is excessive. H-K leakage cannot be repaired; use
isolation transformer. For G1-K leakage proceed to RESTORE-(A.)
STEP 2: SET – CUTOFF
Rotate FUNCTION switch in SET CUTOFF position. Meter may read zero or slightly above or
below zero. Adjust each G2 control to ADD ONE DIVISION to reading of corresponding meter.
Use Red G2 control for black and white tubes. If max G2 does not raise pointer place G2 switch
in HIGH position.
STEP 3: TEST
Rotate FUNCTION switch to TEST position.
1. EMISSION: If all guns read in good region, emission are OK. If any gun reads BAD, proceed
2. TRACKING: Push and hold TRACKING button and adjust TRACKING control to set highest
3. LIFE: Observe emission levels. Push and hold LIFE button until readings stabilize. The less
4. FOCUS: Push FOCUS test button. FOCUS OK lamp will glow if connection is good. Open
Do not apply power to the CRT chassis at any time during the test of any
CRT. Completely discharge High Voltage Anode supply of CRT before
RESTORE-(B).
to RESTORE-( C ).
gun at SET TRACKING mark on meter. Tracking is OK if the other two guns read in yellow
area. Release button to return to emission test. If tracking is bad, proceed to RESTORE-(B).
emission drops, the longer the life expectancy. The stabilized readings should remain in the
GOOD region to assure customer satisfaction. If any gun indicates BAD during LIFE test,
proceed to
focus connection cannot be repaired.
490B Users should refer to the instruction manual for Operation Instructions.
MODELS 467 AND 490 SIMPLIFIED TEST PROCEDURE
CONDENSED INSTRUCTIONS
connecting it to the CRT tester
CAUTION
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