Advertisement
158
T Y P E
6 0 3 . E L E C T R O N I C M U L T I P L I E R
M7. Test socket for indicator lights for tertiary
timer.
M8. Not used; spare 12SN7.
M91 (1 2SN7). Interpolating tube blocking tube
M161 in conjunction wi'th M92 and MI62 to
permit M161 t o conduct only during the 6th
column shift cycle.
M92 (1 2SAT7). Interpolating tube which blocks
MI61 in conjunction with M91 and MI62 to
permit M161 'to conduct only during the 6th
column shift cycle.
MI 01 (1 2SN7). Interpolating tube blocking MI71
in conjunction with M 102 and M172 to permit
MI 71 to conduct only during the 5 th column
shift cycle.
MI 0, (1 2SN7). In~erpolating tube which blocks
MI71 in conjunction with MlOl and MI72 to
permit MI71 to conduct only during the 5th
column shift cycle.
M1ll (12ShT7). Works with Mllo and MI82 to
permit MI81 to conduct only during 4th
column shift cycles.
MI 12 (12SN7). Works with MI 11 and MI82 to
permit MI81 t o conduct only during the 4th
column shift cycle.
MI21 (12SN7). Works with M122 and MI92 to
permit conduction by MI91 only during 3rd
column shift cycle.
M1Z2 (12SN7). Works with MI21 and MI92 to
permit conduction by h1191 only during 3rd
column shift cycle.
MI31 (12SN7.). Works with MI32 and M202 to
permit conduction by M201 only during 2nd
column shift cycle.
M1 32 (12SN7). Works with MI31 and M20? to
permit conduction by h1201 only during 2nd
column shift cycle.
MI41 (12SN7). Works with M14:! and M212 to
permit conduction by M211 only during 1st
column shift cycle.
MI42 (12SN7). Works with MI41 and M212 to
permit conduction by M211 only during 1st
column shift cycle.
Ml5. No't used; spare 12SN7.
MI61 (12SN7). Conducts during 6th column shift
cycle only, when all interpolating blocking
tubes are non-conducting.
Cuts off power
tube M23 to provide high potential on 6th
column shift at anode of M23.
MI62 (12SN7). Works with M91 and M92 to
permit M161 to conduct only during 6th
column shift cycle.
MI71 ( I 2SN7). Conducts during Fth column shift
cycle, when all blocking tubes are non-con-
ducting, to cur off power tube M24.
MI72 (12SN7). Works with MIOl and MI02 t o
permit M171 to conduct only during 5th
column shift cycle.
MI81 (12SN7). Conducts during 4th column shift
cycle when all blocking tubes are non-con-
ducting, 'to cut off M2 5.
MI82 (1 2SN7). Works with MI1 t o permit MI 81
to conduct during the 4th column shift'cycle.
MI91 (1 2SN7). Conducts during the 3rd column
shift cycle when all interpolating blocking
'tubes are non-conducting to cut off M26.
MI92 (12SN7). Works with MI2 to permit MI91
to conduct during the 3rd column shift.
M201 (12SN7). Conducts during 2nd column
shift cycle when all interpolating blocking
tubes are non-conducting to ,CUT off M27.
M202 (12SN7). Works with M13 to permit M201
to conduct during the 2nd column shift cycle.
M211 (1 2SN7). Conducts during 1st column shift
cycle only when all blocking tubes are non-
conducting to cut off power tube M28.
M212 (1 2SN7). Works with MI4 to permit M211
to conduct only during the 1st column shift
cycle.
M22. Not used; spare 12SN7 tube mounted in
this position.
M23 (25L6). Power tube con'trolling 6th column
shift; stops conducting when M161 conducts
and thus conditions units position multiply
input switch C3, column shift control swi'tch
M30, and half-entry control A201 for con-
Advertisement
