497-022-0-599 B&K Precision, 497-022-0-599 Datasheet - Page 4

• 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. Find proper adapter and heater voltage in SET-UP chart.
Select HTR RANGE. Plug in tube and power cord. Rotate FUNCTION switch to SET HEATER .
Adjust HEATER control until meter reads voltage specified in SET- UP CHART.
STEP 2: LEAKAGE
Rotate FUNCTION switch to HTR-LEAKAGE. Meter reading anywhere in YELLOW area of meter
Rotate FUNCTION SWITCH TO G1 LEAKAGE. Meter reading anywhere in YELLOW area of
STEP 3: SET G1 BIAS
Rotate FUNCTION switch to SET- G1 voltage Set G1 Bias to 50V unless there is a * (asterisk) in
SET- UP CHART (see General Notes).
STEP 4: SET – CUTOFF
Rotate FUNCTION switch in SET CUTOFF-VOLTAGE. Adjust each G2 control until meter rises
ONE DIVISION. Use GUN SELECTOR switch and corresponding G2 control with color tubes.
STEP 5: TEST
Rotate FUNCTION switch to read EMISSION. Emission is okay if meter reads in GOOD region.
Use GUN SELECTOR switch for other guns. If any gun reads BAD, proceed to RESTORE – C.
Rotate FUNCTION switch to SET TRACKING. Use GUN SELECTOR switch to select highest
reading gun. Adjust TRACKING control to make meter read at SET TRACKING mark on meter
scale. Tracking is okay if other guns read in YELLOW area on meter scale. If tracking is BAD,
proceed to RESTORE – B.
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
scale is acceptable. Turn GUN SELECTOR to test all guns. Excessive H-K leakage cannot
be repaired, use isolation transformer.
meter scale is acceptable. Turn GUN SELECTOR switch to test all guns. For excessive
leakage proceed to RESTORE –A.
MODELS 470 AND 480 SIMPLIFIED TEST PROCEDURE
CONDENSED INSTRUCTIONS
connecting it to the CRT tester
CAUTION
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