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B&K 467 rejuvenator service information available
Ken Layton:
You've got a 440? That thing belongs in a museum. It was made around 1962 from what I understand.
It surprises me that the 467 still is commanding high prices on ebay (between $180 to $450).
EDIT: By the way, I have added the 467 schematic to the original post.
Ken Layton:
Connector pinout and wire colors of the two 24 pin wafer .156" Molex connectors.
A1: White, 18 gauge, Power transformer, filament, primary
A2: White, 18 gauge, Power transformer, main, primary
A3: Black, 18 gauge, Power transformer, main, primary
A4: Red-Black, 18 gauge, Power transformer, filament, primary
A5: White-Orange, 18 gauge, Life Pushbutton Switch
A6: Gray, 22 gauge, common to R-G-B pushbutton switches
A7: Gray, 22 gauge, common to R-G-B pushbutton switches
A8: Red, 22 gauge, Tracking pot
A9: White-Black, 22 gauge, Focus OK pushbutton switch
A10: White-Brown, 22 gauge, Tracking pot
A11: Brown, 22 gauge, Green G2 pot
A12: Brown, 22 gauge, Red G2 pot
A13: Brown, 22 gauge, Blue G2 pot
A14: Yellow, 22 gauge, Green G2 pot
A15: Yellow, 22 gauge, Red G2 pot
A16: Yellow, 22 gauge, Blue G2 pot
A17: Orange, 22 gauge, Green G2 pot
A18: Orange, 22 gauge, Red G2 pot
A19: Orange, 22 gauge, Blue G2 pot
A20: Blue, 22 gauge, Blue meter pushbutton switch
A21: White-Blue, 22 gauge, Focus OK pushbutton switch
A22: Brown, 22 gauge, Power transformer, main, secondary
A23: Yellow, 22 gauge, Power transformer, main, secondary 12 volt
A24: Black, 22 gauge, Remove Shorts pushbutton switch
B1: Purple, 22 gauge, G2 Normal-High slide switch
B2: Green, 22 gauge, G2 Normal-High slide switch
B3: Red, 22 gauge, Red meter pushbutton switch
B 4: White-Black, 22 gauge, Red meter pushbutton switch
B5: Purple, 22 gauge, Green meter pushbutton switch
B6: Purple, 22 gauge, Blue meter pushbutton switch
B7: Gray, 22 gauge, Set G1 pot
B8: Green, 22 gauge, Green meter pushbutton switch
B9: White-Blue, 22 gauge, Red meter pushbutton switch
B10: White, 22 gauge, Green meter pushbutton switch
B11: White, 22 gauge, Blue meter pushbutton switch
B12: White-Yellow, 22 gauge, Remove Shorts pushbutton switch
B13: White-Yellow, 22 gauge, Tracking pushbutton switch
B14: White-Black, 22 gauge, Set G1 pot
B15: White-Purple, 22 gauge, Remove Shorts pushbutton switch
B16: White-Orange, 22 gauge, Clean/Rejuvenate slide switch
B17: Red, 22 gauge, Ballast Lamps
B18: Red-Green, 22 gauge, Power transformer, main 270 volt secondary
B19: White-Brown, 22 gauge, Clean/Rejuvenate slide switch
B20: White-Orange, 22 gauge, Remove Shorts pushbutton switch
B21: Purple, 18 gauge, Power transformer, main 270 volt secondary
B22: White-Purple, 22 gauge, Set G1 pot
B23: EMPTY
B24: White-Green, 22 gauge, Remove Shorts pushbutton switch
Ken Layton:
Calibrating trimpots inside the unit are:
R16: Sets HEATER calibration (shown in manuals)
R23: Sets TRACKING minimum pulse calibration (shown in manuals)
Unmarked trimpot next to resistor R20: Sets LINE VOLTAGE calibration (not shown in manuals or schematic)
brad808:
Thanks for the information. I wonder how much of it is applicable to the 490.
Ken Layton:
--- Quote from: brad808 on January 16, 2018, 01:38:28 pm ---Thanks for the information. I wonder how much of it is applicable to the 490.
--- End quote ---
Probably all of it. Remember, the 490 (a.k.a. 490A) is vastly different than the 490-B.
The 490 is just a 467 with a nicer faceplate.