10-11-2013, 08:15 PM
Mondial,
The radio is playing great had it on for about 3 hours off and on while I made more checks. some of the readings seemed high to me but the may be all right take a look.
120v .68a
5z4
p1 366v
p2 360v
f1 412v
f2 412
6f6
plate (255) 315v
screen (255) 306
grid (4) .02 ?
6f5
plate (150) 112
grid cap (1) .01
6k7 RF
plate (255) 322
screen (80) 104
grid cap (2) 5 to -1. goes minus on station and pos off
6K7 1st IF
plate (240) 294
screen (80) 104
Grid cap (1) -1.5 goes minus on station and pos off
6k7 2nd IF
plate (250) 318
Screen (70) 96
Grid cap (5) 0 you can hear it load up when the meter lead is attached
6A8
plate (240) 295
screen (80) 104
grid cap (5) 6 to -1.9 goes minus on station and pos off
op (185) 330 (seems high?)
Have a 90v drop across the field 333v to G on the op xformer side 417 on the other
Resistors voltage drop a couple seem high (resistors check out for value)
R1 (2) 4.5
R3 (5) 7
R6 (3) 7.6
R7 (7) 7.7
R10 (5) 4.7
R11 (5) 12
R12 (5) 13
R15 (20) 69**
R16 (35) 140**
R18 (12) 20
R19 (15) 17
R21 (125) 87
R22 ( 85) 103
R23 (165) 217**
The radio is playing great had it on for about 3 hours off and on while I made more checks. some of the readings seemed high to me but the may be all right take a look.
120v .68a
5z4
p1 366v
p2 360v
f1 412v
f2 412
6f6
plate (255) 315v
screen (255) 306
grid (4) .02 ?
6f5
plate (150) 112
grid cap (1) .01
6k7 RF
plate (255) 322
screen (80) 104
grid cap (2) 5 to -1. goes minus on station and pos off
6K7 1st IF
plate (240) 294
screen (80) 104
Grid cap (1) -1.5 goes minus on station and pos off
6k7 2nd IF
plate (250) 318
Screen (70) 96
Grid cap (5) 0 you can hear it load up when the meter lead is attached
6A8
plate (240) 295
screen (80) 104
grid cap (5) 6 to -1.9 goes minus on station and pos off
op (185) 330 (seems high?)
Have a 90v drop across the field 333v to G on the op xformer side 417 on the other
Resistors voltage drop a couple seem high (resistors check out for value)
R1 (2) 4.5
R3 (5) 7
R6 (3) 7.6
R7 (7) 7.7
R10 (5) 4.7
R11 (5) 12
R12 (5) 13
R15 (20) 69**
R16 (35) 140**
R18 (12) 20
R19 (15) 17
R21 (125) 87
R22 ( 85) 103
R23 (165) 217**