Minolta XE - Page 138

A.
|
At
both
Automatic
and
manual
shap
shot.
shutter
speed
variations
occur
at
high
speed
shutter
release
(1/1000S.
1/500S)
}Y Check on chattering of SW4 and SW5
Remove the lead wire of SW4 (+) and
measure it under B exposure state.
- z SW4 chattering within 100u5 is ideal.
MY Check on contact resistance of SW4 and SW4 -—> (Measure it cai an eaciliawecpecl
Contact resistance must be 300m or below
including that of switches and lead wires.
\_tel Measurement of CR time |
im! D
Visual eheck on Cy cH] 1 efective contact of Rif
Defective soldering of condenser Cj
(unadjustable)
; i . . | nm! Defective soldering ot condenser c.|
Visual check on condenser Caf— 1
Check on shutter block } Connect the standard circuit for check.
im | L
B. | Batteries becomes dead quickly. }
Set the power source adaptor to the fel Vicual check on | Shortcircuit in top cover of swi |
battery box to read the variations 1 circuit base
OP SEMPRERLSE SNS RBEAC plates A and B. HY] Shorteireuit between soldered parts|
Photometering state (SW1, ON! = 125-- Shortcircuit between lead wires |
220
uA
La
2
s
Exposung state (SW5,ON) =15mA
When
SWI
is
OFF=0yA
—
Shortcircuit
with
solder
sludge
|
154
lm)
Check
on
battery
Short
circuit
in
battery
case
or
power
case source high-current = few 100mA
10 5
SmA
4
;
cat
“i . ah When SW1 is ON: ~ 125 nA
la Check on SW1, SW4 When SW4 is ON: = few 100uA~few mA
and SW5 When SW5 is ON: =15mA
300 3
SW1SW2 SWS SW4 SW4 SWS
ON OFF ON ON OFF OFF
GC.
|Power
Sensitivity
of
Meter
(the
meter
does
not
eats
the
variations
equivalent
to
the
varying
aperture
figure.
ASA
number,
brightness
etc.)
. Lo Check on the conduction Skipping (the orbit of contact changes.)
Hm Vary the aperture figure. | “lide easieios piel Ski |
By Check on memory voltage variations at C; (+) (18mV/1Av) |
*K Lm Readjustment of Ri and Re]
pl
Vary
the
ASA
number
b
Check
on
the
conduction
|__miskipping
(the
orbit
of
contact
changes.)
|
slide resistor.
Lm Check on memory voltage variations at C; (+) unit (18mV/1 sv) |
Lil Vary the brightness value Check on CdS, Rp resistance and soldering. |
Ea [tf Readjustment of automatic shutter release|