Philips PM2517E Service Manual page 5

Automatic digital multimeter
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P M 2 5 1 7 E D M 0 2 4 9 2 6 - D M 0 4 1 0 4 9 1
P M 2 5 \ 7 X D M 0 r 3 0 5 1 - D M 0 4 8 6 i l
l f t h e O Q 0 0 6 3 h o s q w e e k n u m b e r o f 7 9 1 9 o r h i g h e r t h e f o l l o w i n g m o d i f i c o t i o n m u s t b e b u i l t i n ,
C o n n e c t t o p i n l / o f t h e O Q 0 0 6 3 o n d s u p p l y z e r o $ o n e l e c t r o l y t i c c o p o c i t o r o f
1 5 P F i n p o r o l l e l w i t h o r e s i s t o r o f 6 8 k Q o n d s h o r t c i r c u i f r e s i s t o r R 4 1 3 .
P r o c e e d o s f o l l o w s :
- R e m o v e c o p o c i t o r C 4 0 7 ( 2 2 n F )
- R e m o v e c o p o c i i o r C 4 0 4 ( 1 n F )
- R e m o v e r e s i s t o r R 4 1 3 ( 3 k 3 )
- S h o r t c i r c u i i t h e s p o t s w h e r e R 4 l 3 h q s b e e n r e m o v e d
- M o u n l c o p o c i t o r C 4 0 4 o n t h e p . c . b o o r d o g o i n . ( s e e f i g u r e )
- M o u n t t h e n e w c o p o c i t o r C 4 0 7 ( 1 5 p f ) o n t h e p . c . b o o r d o g o i n ( s e e f i g u r e ) '
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P M 2 5 1 7 E D M 0 4 1 0 4 9 1 - o n w q r d s
P M 2 5 1 7 X D M 0 4 8 6 1 1 - o n w o r d s
T h e m o d i f i c q t i o n h o s o l r e o d y b e e n b u i l t
R 4 l B
R = 6 8 k a , C R l 6 5 3 2 2 l l l 3 0 2 9 1
C407
C=l5p F, 10V 5322 124 14036
w r r e s i n c n e h o l e
c l r c u r r
- M o u n t f h e 6 8 k Q r e s i s t o r b e f w e e n p i n 1 5 o n d l Z o f t h e
O O 0 0 6 3 o t t h e c o n d u c t o r s i d e o f t h e p . c . b o o r d .
N N O D I F I E D
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i n f r o m t h e f o c t o r y o n .

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