Philips PM2517E Service Manual page 97

Dr\,101 2000
onwards
DMO2 4926
o n w a r d s
R e p l a c e d
R e a s o n
New p.c. board
R e p l a c e d
R e a s o n
N 1
: C 6 0 1
C303
15tt 4V 10+50
4822
15 ir 10V -10+50
5322
B e t t e r q u a l i t y o f e l e c t r o l y t i c c a p a c i t o r s
9 3
124 20519 replaced by
124 14036
5 3 2 2 1 1 6 5 4 6 1 5 i s r e p l a c e d b y
5 3 2 2 1 1 6 5 4 6 1 9
5 3 2 2 1 1 6 5 4 6 1 9 s r e p l a c e d b y
5 3 2 2 1 1 6 5 4 6 9 6
1p 63V -10+50
4822 124 2O624 replaced by
1 g 6 3 V - 1 0 + 5 0
5 3 2 2 1 2 4 1 4 0 7 5
N4 od if ied
R e a s o n
l\4 od if ied
R e a s o n
:
B e t t e r q u a l i t y o f e l e c t r o l y t i c c a p a c i t o r s
:
R 4 1 6 a n d R 4 1 7 2 2 0 k 5 9 ' " C R 1 6 4 8 2 2 1 1 1 3 O 3 O 2
:
R A N G I N G c i r c u i t ; R e s i s t o r R 7 2 4 i s c o n n e c t e d t o l o g i c 0 ( - 8 , 5 V )
S i g n a l F C i s c o n n e c t e d t o t h e k g i n p u t o f V l 5 0 v i a t h e n e w
r e s i s t o r R 7 2 7 .
: P M 2 5 1 , 7 i s s e t t o m a n u a l r a n g i n g , w h e n t h e i n s t r u m e n t i s s w i t c h e d '
o n o r s w i t c h e d f r o m a s i n q l e - r a n g e
f u n c t i o n t o a m u l t i r a n g e f u n c t i o n
O 0 0 0 6 5 p o w e r s u p p l y ; V s s C ( p i n 4 ) i s c o n n e c t e d t o - 8 , 5 V v i a
t h e k S 2 , D , T f u n c t i o n s w i t c h .
T h e 0 0 0 0 6 3 s o n l y s w i t c h e d o n n o w i n t h e k S r , D a n d T f u n r : t i o n
A d d e d
R e p l a c e d
R e p l a c e d
R e p l a c e d
R 3 1 0
R 313
9 k 0 9 M R 2 5 1 2 / o
1 0 k t \ , 1 R 2 5 1 %
10k t\,1R 25
191
100k t\4 R 25 196
M o d i f i e d
: C 3 0 4 i s c o n n e c t e d t o + 8 , 5 V l n s t e a d o f +
c 3 1 1
: V 8 5 0 B Z X 7 9 - C 1 0 5 3 2 2
B Z X 7 9 - 8 1 0 5 3 2 2
l n F 4 0 V 2 0 + 8 0 4 8 2 2 1 2 2 3 1 1 1 5
13O 34297 is replaced by
130 34297
Dt\,103 572
W i r e f r o m p . c . b o a r d t o s c r e e n i n g i s r e p l a c e d b V a s p r i n g
D r \ , 1 0 3 6 1 3 1
r!
: Topcover 5322 441 94493 is replaced by
5322 441 94558
Window
5322 459 24086ls replaced by
5322 459 24094
: N e w t e x t l a y - o u t , M A N r e p l a c e d b y A
: C h a n g e a d j u s t m e n t q .
A l l a d j u s t i n g d a t a h a v e t o b e c h a n g e d f r o m 9 0 0 0 t o 8 9 9 0 d i g i t s u n t l l
c e r a m i c l C ' s i s u s e d .
: Ceram ic 0O0064
and screening in the fl ran3es
: l n s L r l a t i o n t a p e g l u e d o n t h e s c r e e n i n g a b o v e t h e P T C a n d l n p u t
t e r m i n a l s l D l \ , 4 0 1 1 8 0 0 o n w a r d s ) .
: P T C m o u n t e d l o w e r ( o n p . c . b o a r d ) f r o m D l \ , 4 0 1 4 9 2 6 o n .
I n s u l a t i o n t a p e .
P i n 1 7 i s i n t e r n a l l y i n t e r c o n n e c t e d n o w C a p a c i t o r C 4 0 1 2 2 n F
4 A 2 2 n 2 3 0 1 1 4 i s a d d e d a n d c o n n e c t e d t o p i n 1 7 a n d $
T h e o r d e r i n g n u m b e r o f t h e 0 0 0 0 6 3 r e m a i n s 5 3 2 2 2 0 9 8 5 8 8 6 .
G E N E R A L
O00064 DriIt
T e m p o r y s o l u t i o n
F i n a l s o l u t i o n
F l a s h o v e r
)
I Between PTC R401
S h o r t c i r c u i t !
T e m p o r y s o l u t i o n
F i n a l s o l u t i o n
New O00063