Nicd Accumulator Reinstallation; Reinstallation Of The Keyboard Or Individual Keys; Fig. 4.11 Nicd Accumulator On The Main Pcb; Tab. 4.8 Table Of Shown Parts - ELCOM Euro-500 Handy Series Service Manual

Euro-500TX Handy

4.8 NiCd accumulator reinstallation

1. Turn the ECR off (the external power supply may remain connected).
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.
4. Release the main PCB from the front cover.
5. Solder out the main NiCd accumulator and replace it for a new one. Watch the polarity – accumu-
lator connector marked '+' shall be soldered onto BT1 position marked as '+'.
6. Screw the main PCB back onto the front cover.
7. Plug all the connectors into the main PCB.
8. Perform all the ECR tests.
9. Assemble all the covers back (chapter 4.1).
Index Quantity
1 1
2 1

Tab. 4.8 Table of shown parts

4.9 Reinstallation of the keyboard or individual keys

Note: Keyboard reinstallation shall be performed only when ECR is turned off and external power supply
is disconnected.
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. Separate the main PCB from the keyboard module.
4. Unscrew the keyboard PCB and the keyboard rubber from the front cover.
5. Replace new keyboard rubber, keyboard PCB, or 16-pin FFC cable as needed.
6. Screw the keyboard PCB to the front cover.
7. Screw the main PCB to the front cover.
8. Plug all connectors.
9. Perform keyboard tests.
10. Assemble all the covers back (chapter 4.1).
Service manual

Fig. 4.11 NiCd accumulator on the main PCB

Description
NiCd accumulator 3.6 V
PCB Euro 500TX Handy MB v1.2
1
© Elcom, s. r. o.
2
Code
M220004
41