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A E 3 . 1
AE3 Notes
1 .
T h e p l i n t h w e u s e i n t h i s e x a m p l e i s t h e W B l f o r t h e S P 2 5
M a r k l l l . Y o u c a n u s e a n y s i m i l a r p l i n t h , i n c l u d i n g t h e p l i n t h
u s e d i n l a y o u t A C . T h e d i a g r a m s a b o v e s h o w s u g g e s t e d p o s i t -
i o n s f o r t h e W B 1 p l i n t h a n d t h e A P 1 p l i n t h .
2 .
l t i s g o o d p r a c t i c e t o l i n e t h e i n s i d e o f t h e p l i n t h w i t h f o i l a s
e x p l a i n e d l n A C 3 . 2 . T h e a r e a a r o u n d t h e m a s t e r l i n k s h o u l d a l s o
b e l i n e d .
3 .
W i r e l e n g t h s i n o u r d r a w i n g h a v e b e e n
' t i d i e d
u p ' s l i g h t l y f o r
clarity. lt is, however, important that they are loose -
do not
twist or tape wires together unless we supply them twisted.
T h e o n l y e x c e p t i o n t o t h i s i s t h a t t h e s p a r e w i r e s o n t h e r e d
harness can be twisted and taped together out of the way as we
have shown them, or if you prefer, you can cut these spare
wires off completely.
4.
Deck connections. The wire to connect to the deck has phono
p l u g s a n d p u s h - o n c o n n e c t o r s s i n c e d i f f e r e n t m a k e s o f d e c k s
have different means of connecting. lf you use the phono
p l u g s , t h e n c u t t h e ' p i g t a i l s ' w h i c h a r e n o t u s e d o f f . l f y o u u s e
t h e p u s h - f i t c o n n e c t o r s , t a p e t h e p h o n o p l u g s u p c a r e f u l l y s o
t h e y c a n n o t t o u c h a n y t h i n g i n s i d e t h e p l i n t h .
AE 3.7 Detail of break in p.u. trock
breaks
L
Mains connections. The push-fit tags for the PZ5 (the wires are
a l r e a d y c o n n e c t e d t o t h e s w i t c h u n i t ) h a v e p i g t a i l s t o c o n n e c
to the deck mains connections, so that the switch unit operate
d e c k a n d a m p l i f i e r . C o n n e c t t h e s e a s i n s t r u c t e d b y t h e d e c k
m a n u f a c t u r e r . l f y o u a r e n o t u s i n g t h e m c u t t h e m o f f c o m -
p l e t e l y .
Adding tuner, decoder and AFU can be done using the extra
w i r e s ( i t e m s 1 5 - 1 7 ) . C o n n e c t i o n s f o r t h e s e e x t r a m o d u l e s a r e
a s s h o w n i n A B 1 ( A F U ) a n d A C 1 ( t u n e r a n d d e c o d e r ) . P o s i t i v
s u p p l y w i r e s ( t o p i n 1 ) a r e a l r e a d y i n c l u d e d a t t a c h e d t o t h e r e d
n a r n e s s .
Ad justments
O n c e t h e p r o j e c t i s w o r k i n g , t h e s e n s i t i v i t y o f t h e t a p e i n p u
may be adjusted by means of RV3 and RV4 (see FA3 for
positions) to give best results.
W i t h s o m e h i g h e r o u t p u t m a g n e t i c c a r t r i d g e s t h e l i n k s
s h o w n i n f i g . A E 3 7 m a y b e b r o k e n t o g i v e i m p r o v e d m a t c h i n g
A:
Additional information on
systems.
A 1
M o u n t i n g I n s t r u c t i o n s
Al .1. Preamps, tuners and control modules
T h e s e a r e a l l s t y l e d i n t h e s a m e w a y a n d t h e f i x i n g o f a l l o f t h e m i s
i d e n t i c a l , b y m e a n s o f 1 , 2 o r 3 6 B A s c r e w s w h i c h p a s s t h r o u g h t h e
p a n e l t o w h i c h t h e m o d u l e i s f i x e d a n d i n t o t h e r e a r o f t h e m o d u l e
itself .
The panel may be of metal, wood or plastic with very little affect
on the performance, although if a wood or plastic cabinet is used it is
a g o o d i d e a t o l i n e t h e i n s i d e w i t h f o i l a s d e s c r i b e d i n s e c t i o n A C 3 .
It is vitally important, when using metal, to make sure that no part
of the rear of the control module can touch the metal and therefore
some type of insulator must be put between module and metal.
Y o u r l o c a l D I Y s h o p w i l l b e a b l e t o s e l l y o u s o m e v i n y l u p h o l s t e r
m a t e r i a l a b o u t 1 o r 2 m m t h i c k - t h i s i s i d e a l a s y o u c a n g l u e a l a y e
over the metal after drilling and make holes through it as necessar
You can also use an off cut of formica or other laminate, glue it on
b e f o r e d r i l l i n g a n d u s e t h e t e m p l a t e t o d r i l l t h r o u g h b o t h .
5 .
6 .
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