Table of Contents
Advertisement
•
Caution to be exerc i s e d wh e n repl a c i n g c h i p c o m p o n e nts
Do not reuse the re m oved compone nts but use new
c o m p o n e nts.
Caution s h o u l d be ta ken as the n egative si d e of the tanta lum
capac itor is wea k toward heat.
•
50V
All capac itors w h i c h res i sta n c e pressure
o r l e ss a re not
i n d icated except for c h e m i c a l s and ta nta l u ms. The u n i t i s a l l
o o o n
ooo kn
µF ( p i s p F).
•
All resistors are i n o h m s. 1 / 1 OW i n c h i p res i sta nce; 1 /32W i n
pri n t i n g resista nce.
•
kn = 1
a n d M n = 1
All variable and adj usta b l e res i stors have c h a racteristics
B,
c u rve
which defi n ition i s om i tted.
Note !SCH EMATIC D IAG RAM) :
e
.
printing res istor.
•
c::: :: :J
panel designation.
•
c::: :: :J
•
adjustment d e s i g n a t i o n .
-
•
- - -
B+
l i n e .
•
: B-
l i ne.
Measuring conditions of voltage va l u e a n d waveform
( 1 )
The s ubject is c o l o r bar of pattern box.
(2)
The volta ge va l u e i s a refe re n c e va l u e between the
g ro u n d i ng.
C
(The tester used i s the d i g i t a l m u l t i m eter D
1
O M O)
( 3 )
The volta ge va l u e a re a l l in the rec o rd i n g m o d e of
operation.
Note ! P R INTED W I R I NG BOARD) :
®
•
m a rk is s l ew h o l e .
•
0-
lead wire atta c h e d to the component side.
•
. --
lead wire atta c h e d to the pattern s i d e .
pattern from t h e s i d e w h i c h e n a b l es s e e i n g .
p a t t e r n of t h e re a r s i d e .
•
•
pattern .
B+
�
printing res i sta nce.
•
T h e voltage va l u e i s all re c o rd i n g m o d e of o p e ra t i o n .
S I DE B
w===�<= == =l
S I DE A
Note
Soldering side:
Parts on the soldering side being
seen from the soldering are stated.
Component side: Parts on the component side being
seen from the component are
stated .
Regarding color indication of patterns
Patterns being seen i n the state from the s u rface
side are indicated in gray pattern and red pattern
)
(B+ pattern
.
Pattern being seen in the state of the rear s u rface
side i s indicated in g reen pattern.
)
YM-2 ( Y
S I G N A L P R OC E SS I N G
P
R I N T E D W I R I N G BOAR D
1
2
3
A
G N D
B
c
Y
I N
D
Y
I N C HECK
E
Y M - 2 B OA R D
F
Y
I N CHECK
Y
I N
G
H
GND
J
- 1 1 ·1 -
V I D EO
V I D E O
4
5
6
- 2 8 6 -
( S I D E B l
1 - 6 1 6 - 28 6 -
7
8
9
Y
REC
RF
R E G + 5 V
R F SWP
G N D
A C CL I P C H ECK
HARD C L I P
[ill
HARD C L I P
A C C L I P CHECK
GND
R F SWP
R E G + 5 V
Y
[]
REC
R F
- 1 1 2 -
1 0
1 1
Advertisement
Chapters
Table of Contents
