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LEM K3 Active Service Manual

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SERVICE MANUAL

Index

S e c o n d E d i t i o n

Warnings

Address

L CODE: 270222 M
2
T e c h n i c a l S p e c i f i c a t i o n s - B i a s A d j u n t m e n t s - B l o c k D i a g r a m
3
I n p u t s B o a r d s
4
6 0 0 W
P o w e r A m p l i f i e r A s s e m b l y ( K 6 A c t i v e )
3 5 0 W
P o w e r A m p l i f i e r A s s e m b l y ( K 3 A c t i v e )
5
6
S p a r e P a r t L i s t
Notice
S e r v i c e m u s t b e c a r r i e d o u t b y q u a l i f i e d p e r s o n n e l o n l y . A n y t a m p e r i n g c a r r i e d o u t b y u n q u a l i f i e d p e r s o n n e l d u r i n g t h e g u a r a n t e e p e r i o d
w i l l f o r f e i t t h e r i g h t t o g u a r a n t e e .
F o r a c o r r e c t o p e r a t i o n o f t h e i n s t r u m e n t , a f t e r h a v i n g s w i t c h e d o f f , b e c a r e f u l t o w a i t a t l e a s t 3 s e c o n d s b e f o r e s w i t c h i n g o n a g a i n .
T o i m p r o v e t h e d e v i c e ' s s p e c i f i c a t i o n s , t h e s c h e m a t i c d i a g r a m s m a y b e s u b j e c t t o c h a n g e w i t h o u t p r i o r n o t i c e .
A l l c o m p o n e n t s m a r k e d b y t h i s s y m b o l h a v e s p e c i a l s a f e t y c h a r a c t e r i s t i c s , w h e n r e p l a c i n g a n y o f t h e s e c o m p o n e n t s u s e o n l y
m a n u f a c t u r e r ' s s p e c i f i e d p a r t s .
T h e ( µ ) m i c r o s y m b o l o f c a p a c i t a n c e v a l u e i s s u b s t i t u t e d b y U .
T h e ( Ω ) o m e g a s y m b o l o f r e s i s t a n c e v a l u e i s s u b s t i t u t e d b y E .
T h e e l e c t r o l y t i c c a p a c i t o r s a r e 2 5 V d c r a t e d v o l t a g e u n l e s s o t h e r w i s e s p e c i f i e d .
A l l r e s i s t o r s a r e 1 / 8 W
u n l e s s o t h e r w i s e s p e c i f i e d .
A l l s w i t c h e s s h o w n i n t h e " O F F " p o s i t i o n . A l l D C v o l t a g e s m e a s u r e d t o g r o u n d w i t h a v o l t m e t e r 2 0 K O h m / V .
S o l d e r i n g p o i n t .
S u p p l y v o l t a g e .
M a l e c o n n e c t o r .
T e s t p o i n t .
F e m a l e c o n n e c t o r .
F l a g j o i n e d w i t h o n e o r m o r e f l a g s
w i t h t h e s a m e s i g n a l n a m e i n s c r i b e d .
M/F faston connector.
ATTENTION
O b s e r v e p r e c a u t i o n s w h e n h a n d l i n g e l e c t r o s t a t i c s e n s i t i v e d e v i c e s .
GENERALMUSIC S.p.A. Sales Division: 47842 S.Giovanni in Marignano (RN) ITALY - Via delle Rose, 12 - tel. 0541/959511 - fax 0541/957404
GENERALMUSIC on the NET: http://www.generalmusic.com
L o g i c s u p p l y g r o u n d .
A n a l o g s u p p l y g r o u n d .
C h a s s i s g r o u n d .
E a r t h g r o u n d .

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Summary of Contents for LEM K3 Active

  • Page 1 Index T e c h n i c a l S p e c i f i c a t i o n s - B i a s A d j u n t m e n t s - B l o c k D i a g r a m I n p u t s B o a r d s 6 0 0 W P o w e r A m p l i f i e r A s s e m b l y ( K 6 A c t i v e )
  • Page 2 TECHNICAL SPECIFICATIONS K 3 Active K 6 Active POWER (EIA RS-426A) Watts EIA HANDLING Watts IHF DISTORTION (THD+N) <0,02% <0,02% INPUT kohms 30 balanced 31 balanced IMPEDANCE kohms 15 unbalanced 15 unbalanced INPUT SENSITIVITY 0 (0,775 V) 0 (0,775 V) 230Vac +/-15% 50-60Hz 230Vac +/-15% 50-60Hz POWER SUPPLY...
  • Page 3 3 3 3 3 3 ❏ ❏ ❏ ❏ ❏...
  • Page 4 ❏ ❏ ❏ ❏ ❏ 4 4 4 4 4...
  • Page 5 5 5 5 5 5 ❏ ❏ ❏ ❏ ❏...
  • Page 6 090201 2N5401 TO92 Pnp Transistor 080168 W02M 1.5A Rectifier Diodes Bridge Spare Parts List Spare Parts List Spare Parts List Spare Parts List Spare Parts List 090200 2N5550 TO92 Npn Transistor 080158 1N4006 1A 800V Rectifier Diode 090194 BC560 TO92 LN Pnp Transistor 080156 1N4002 1A 100V Rectifier Diode L e g e n d...

This manual is also suitable for:

K6 active