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Hitachi SR-2004 Service Manual page 11

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lC204
"'201
le203
*
.~
Q202
MF201
IC201
NARROW
1-E!i-{>-MF202
T
..L~
'=F
IC30\
IC202
Sep. adJ.
~
CP301
HITACHI SR-2004
MF203
IF
BAND Sw.
S503
,1
+15V
I
0
L
R
Fig. 1
Hioh voltage power supply
I.
. .
Alimentation haute tension
+B2C98.8V)
Low voltaoe power supply
I
~
'i
14
Alimentation basse tension
."
+BI(40.2V)
Low
voltaoe power supply
• 1 M ' "
Allmentat Ion basse 'tension
-BIC-40.2V)
High volt* power supply
"
• Alimentation haute tension
-82{-98.8V)
Fig. 2
R703
It)
II')
C
N
IN
I
• •
+82
t· -:..
J
1"
NPN
To the NPN driver
+~
I
Au transistor de
:"'01 Vldle
puissance NPN
I
I.
PNP
To the PNP driver
Au transistor de
puissance PNP
I'
T
\~
I
..
82
For temperature compensation of the Idle current ot output .tage
Pour compensation de temperoture de courant dewatte
de
I'
'tage de sortie.
Fig. 3
00'4
eontlnu
ot Ie
de Ie
... - 82
I
It
It
I
,
-11-
Fig. 4

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