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M
odel 435Β
Manual C h a n ges
C
H
A
N
G
E
Α (cont' d)
Service Sheet 2 (schematic) (cont'd):
Add t h e
f
ollowing ca pacitors on the Α4 A sse mbly (right side of schematic):
C34 100 pF bet w een the drain (D) and so ur ce (S) of Q7.
C35 100 pF from the so urce (S) of Q7 to g r o und 2 ( δ ).
C40 0.01 μF from pin 8 of U 4A to ground 1 (
).
C41 0.01 μF fr o m pin 4 of U4 A to g r ound 1 (
).
C49 100 pF between pins 2 and 3 of U4A.
Se rvi ce S h eet 3 (sc h e m at i c):
Add the
f
ollowing capac i to r s on t h e Α4 Assembly (center of schematic):
C37 100 pF between pins 2 and 3 of U 5.
C46 0.01 μF from pin 7 of U 5 to ground.
C47 0.01 μF from pin 4 of U5 to ground.
CHANGE B
P age 1-3, pa r ag r aph 1-6:
C h a n ge t h e d esc rip t i o n fo r Opt i on 003 to t h e
f
o llowing: α rea r panel input co nnectorreplaces the standard
fr o nt p a n e l inpu t co nn ecto r; Α r ea r p a n e l P O WER REF OUTPUT connector replaces the standard front
pa n e l co nn ecto r.
P
age 3-5, Fig ure 3-2:
Th e descr ip t i o n
o
f t h e P ower Sensor Input should r ea d as
f
ollows:
Op tion 002 h as α r ea r p a n e l inpu t co nn ecto r wir e d in parallel with the front panel input connector. In
Op tion 003, this co nn ecto r r eplaces t h e inpu t front
p
anel connector.
Table 6-2 :
A4CR1, 2
w
as o rigin ally 1901-0895. However, the part listed in the ta ble is the recommended replacement.
Therefore, no manual
c
hange is suggested.
A4R20 was originally 0811-3218. However, the part listed in the table is the recommended replacement.
Therefore, no manual
c
ha nge is suggeste d.
Under
t
he description for
W
1 a dd t h e
f
oll o wing: O mitted on Option 003.
Service Sheet 2 (schematic):
To the
l
eft of J1 (left side of schematic) add the
f
ollowing: (Omit
J
1 and W 1 on Option 003 only).
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