GE AMX-II

GENERAL ELECTRIC MEDICAL SYSTEMS
10-377
n m
di
+
|
1
o
in
1
E
| OS W41-B:
a. и РВОВЕ:
È one GND:
W41-A (Upper) W41-B (Lower)
(7,C)
TRIG:
W40-BC
AMX-Ii X-RAY UNIT
SM A0654E
W40-B: Charge complete voltages at
output of rectifier 4CR1
CH1 PROBE: 4A1-8
CH2 PROBE: 4A1-8 MODE: Added Invert CHI
H: 5-ms/div
V: 5-v/div x 10 (probe)
INT, DC, +, AUTO
Charger “on” load voltage at out-
put of Rectifier 4CR1
Setup same as W40-A
Base voltages of 4A1Q10
Between 4ALR9 and 4ALR4
Base of 4ALQIO
5-ms/div
.05-v/div x 10(probe)
INT, DC, +, AUTO
一 一 ně ~
一 = Vi
| À TRIG:
High
pulses
appear
as
battery
charges.
Small
square
wave
appears
just
before
the
solid
top
line
indicates
charge
complete.
Base voltages of 4A1Q7
Base of 4A1Q7
Cathode of 4ALCR22
H and V as for W4i-A
Lower
trace
of
pulses
appear
(up
to
12-y
below
0
line)
as
battery
charges.
pulse
trace
is
just
before
battery
charge
complete.
Higher
Top line is voltage as charge
complete lamp comes on.
W42:
PROBE:
GND:
H:
V for A:
V for B:
TERASA,
W41-R:
W42-A (Upper) W42-B (Lower)
(5,B)
6-38
Gate voltages of battery charge
control SCR (4CR3)
4Al-&
4А1-2
5-ms/div x 10
O.l-v/div x 10(probe )
0.5-v/div x 10(probe)
Zero
is
centerline
of
graticule
for
both
shows turn-on voltage while
Bettery is charging.
Suows negative bias when
CHARGE
COMPLETE
LAMP
IS
ON.