Weir 413 - Page 12

10
Auxiliary Printed Circuit Board ('D' Options Only) - continued
Circuit Ref.
Capacitors
C10 (413)
C10 (423)
cl
C12
C15
Diodes
MR14
MR15,16
Transistors
VT12,13,14,15
V T16,17
VT18
V T19
AUXILIARY UNREGULATED
SUPPLY
Description
Ceramic
Ceramic
Ceramic
Plastic Film
Plastic Film
Zener
Fig.3 Circuit Diagram of Auxiliar
Value
390p
1000p
2200p
0.221
0-01
9:6V
Rating Tol. Type
500V 20% Erie 831
500V 20% Erie 831
500V 20% Erie 831
100V 20% Mullard 344-25224
100V 20% Mullard 344-41103
400mW 5% BZY88C5V6
1N4148
BCY70
BC107
Motorola BD557
Motorola BD578
D+ve OUTPUT
TERMINAL
Oo CENTRE TAP
TERMINAL
D -ve OUTPUT
TERMINAL
Printed Circuit Board ('D' Options only)