Reinstallation Of The Main Pcb; Eprom Reinstallation; Fig. 4.9 Fitting Of The Main Pcb; Tab. 4.6 Table Of Shown Parts - ELCOM Euro-500 Handy Series Service Manual

Euro-500TX Handy

4.5 Reinstallation of the main PCB

Note 1: Main PCB can be reinstalled only when the ECR is off and the external power supply is disconnec-
ted. During the reinstallation be sure to conform to static electricity damage precautions.
1. Pull out the middle cover and separate the front cover from the bottom one (chapter 4.1)
2. Unplug all the connectors from the main PCB.
3. Unscrew four fixation screws that hold the main PCB to the front cover.
4. Replace the PCB.
5. Fit the new PCB using the fixation screws (see figure 4.9).
6. Plug all the connectors (take care not to mix them; this can damage the electronics.
7. Perform all the tests of the new PCB (chapter 5).
8. Assemble the covers back according to chapter 4.1.
Index Quantity
1 4
2 1
3 1

Tab. 4.6 Table of shown parts

Note 2: If any test reports an error, make sure that all the connectors are properly plugged into their respec-
tive places. Connector interchange or their improper plugging is the most common cause of malfunction of
the ECR or any of its parts.

4.6 EPROM reinstallation

1. Turn the ECR off and make sure that the external power supply is disconnected.
2. Pull out the middle cover and separate the front cover from the bottom one (chapter 4.1)
3. Unplug all the connectors from the main PCB.
Service manual

Fig. 4.9 Fitting of the main PCB

Description
Screw 2.5×12
PCB Euro 500TX Handy MB in 1.2
Undercover
© Elcom, s. r. o.
1
2
3
Code
M250062
T19H500
39