CONTINUITY TEST CHART
Unscrew Pilot Lamp Before Making Test
Circuit
Test Terminals
Correct Effect
Incorrect Effect
Indication
Caused by
Grid
CG1 to Ground
Closed (3 Ohms)
Short
former Shorted tuning or trimming condenser
SG1 or SG2 to
B+67(Maroon) Vol.
Cont. at minimum
Closed (50,000
Ohms)
Open
Open volume control or connection
SG1 or SG2 to
B+67(Maroon) Vol.
Cont. at maximum
Closed (Short)
Open
Open connection or volume control arm
CG2 to Ground
Closed (3 Ohms)
Open
Short
Open Secondary of 2nd R.F. transformer
Shorted tuning or trimming condenser
G3 to Ground
Closed (4 Megs)
Open
Short
Open grid leak or secondary of 3rd R.F.
transformer
Shorted grid condenser and tuning or trimming
condenser
Stator tuning
condenser No. 3 to
Ground
Closed (3 Ohms)
Open Short
former Shorted tuning or trimming condenser
G4 to C—9 (Black
and Green)
Closed (5,500
Ohms)
Open
Open secondary of 1st A.F. transformer
G5 to C—Pwr
(B lack wit h Green
tracer)
Closed (5,500
Ohms)
Open
•
Open secondary of 2nd A.F. transformer
Plate
PI to B+135 (Maroon
and Red)
Closed (60 Ohms)
Open
Open primary of 2nd R.F. transformer
P2 to B+13S (Maroon
and Red)
Closed (60 Ohms)
Open
Open primary of 3rd R.F. transformer
P3 to B+135 (Maroon
and Red)
Closed (31,100
Ohms)
Open 1,100 Ohms
Open regenerative coil, primary of 1st A.F.
transformer or 30,000
ohm resistor Shorted 30,000 ohm
resistor
P4 to B+13S (Maroon
and Red)
Closed (1,000
Ohms)
Open
Open primary of 2nd A.F. 'transformer
P5 to B + Pwr (Red)
Closed (550 Ohms)
Open
Open output choke
P5 to output jack with
insulating bushing
Open
Closed
Shorted .5 mid, output condenser
13
