Discharging Capacitor C11; Sensor Receptacle Removal - Vivitar 283 Service Manual

Automatic Electronic Flash
Model 283
10
WARN ING
Capacitor C11 on PC Board A presents a serious shock hazard
even after main capacitor C1 has been fully discharged. Be
sure that capacitor C11 is fully discharged in the same manner
as described in Step F.
H. Grasp the outside of reflector Case UA - being careful not to touch the PC t rigger board A and
associated co mponents and leads - and position as shown. Fig. 3.7. Lift the back edge of reflector
case UA, and discharge capacitor C11 through a 100 ohm, 10W resistor at terminal points shown.
I. Sl ide PC t rigger board A and flashtube reflector assembly and lens out of reflector case UA. Remove
piece of plastic insulation between PC board and reflector assembly. Fig. 3.7.
Reflector
Lens
Plastic
Insulation
Discharge
Cl 1
PC Trigger
/ Board A
Figure 3-7. Discharging Capacitor Cl 1
J .
Detach sensor receptacle from body case LB by removing screws. Lay body case LB aside. F ig. 3-8.
Sensor
Receptacle
,.
Vivita r 374 60598 ( 11 /80)
Figure 3-8. Sensor Receptacle Removal
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