- 305 -
PN5
PN5/3
PN5/4
Replaces RM/4A for use on FW2/3. 1964. OBSOLESCENT.
For mounting either
transformers on the
used with LL/59 to
LL/76 transformer.
5 R size transformers or 20 M size
rear of PN3/45 to enable AM5/5 to be
feed ring main, or AMl/7 with input
1968. WITHDRAWN.
PN5 Sub Group not available for new designs DD 1977.
==========================================================================
PS1 MISCELLANEOUS POWER SUPPLIERS
(All 240V a.c. input unless otherwise stated).
PS1/1
Part of UN1/522. CH1/12A. Outputs: SOmA d.c. at 6.2V
stabilised, SOmA d.c. at 10V stabilised, SOmA a.c. at 6V.
1962. DD Spec 8.118. ACO. OBSOLESCENT.
PS1/2
Used in conjunction with PS1/3.
400mA stabilised: (b) 135V d.c.
15V a.c. for focus alignment.
1963. DD Spec 11.2. DDHB 7.102.
Outputs: (a) 40V d.c. at
at 30mA unstabi1ised: (c)
CH1/12B, peg nos. 4, 11.
OBSOLESCENT.
PS1/3
Focus Current Stabiliser supplied from PS1/2 to provide a
stabilised current output variable from 300mA to 500mA,
for use with Ferranti focus coil FC5. Remote current
control potential divider. Temperature compensated. Also
provides 50c/s output of 30mA for focus alignment.
CHl/12A. 1963. DD Spec 11.5. WITHDRAWN.
PSl/4
Used with FM translators. Outputs: (a) 12V at up to 350mA
stabilised and (b) 34V approximately at lA unstabilised.
CHl/12B. 1963. DD Spec 5.70. ACO. OBSOLESCENT.
PS1/5
Shift Control Unit used with AM1/523. Supplies shift
current cariab1e between +200mA and -160mA. Input: 24V
(-l2V +12V). CH1/12A. 1964. WITHDRAWN.
PSl/6
Used in EP6/501 to provide SA at
system exciter lamp. 483mm x 133mm.
DDHB 1.43. ACO. OBSOLESCENT.
6V for
1964.
Comopt sound
DD Spec 1.39.
PS1/7
24V Battery Power Supplier used for emergency supply on
OT2/3.
Part of
UNl/29.
Consists of 4 x 6V accumulators
in metal case. Capacity: 24V, 1/5Ah. 1964.
DD Spec 3.400. TI.SX.5. OBSOLESCENT.
PSl/8
6V Power Supplier and Flasher used on EPl/502.
1964. ACO. WITHDRAWN.
CH1/l2B.
PS1/9
9V Power Supplier and Audio Signal Processing Unit used on
EP1/502. CH1/l2B. 1964. ACO. WITHDRAWN.
PSl/10
Power Supplier used in MDl/502 to
supply MD3/501,

5