Anritsu S113C Uživatelská příručka stáhnout pdf (Strana 12)

14. KEY PAD MEMBRANE REPLACEMENT

This procedure provides instructions for replacing

the key pad membrane.

1. Remove the front panel assembly as directed

in section 11.

2. Remove the key pad PCB as directed in sec

tion 13.

3. Remove the keypad membrane by gently

pulling the membrane up and out of the

holes in the front panel.

4. Reverse the above steps to install the re

placement membrane.

15. MAIN PCB ASSEMBLY REPLACEMENT

This procedure provides instructions for replacing

the main PCB assembly with the connector panel at

tached.

NOTE

The lithium-coin clock battery (part number

633-26) on the main PCB may be replaced as

necessary without replacing the entire PCB.

1. Remove the front panel assembly as directed

in section 11.

2. Disconnect the battery connector from J13 on

the main PCB.

3. Remove the three PCB mounting screws and

remove the PCB assembly with the connector

panel attached.

4. Reverse the above steps to install the new

main PCB.

NOTE

The main PCB connector panel fits into

grooves in the two halves of the Site Master

case. Make sure the panel is correctly aligned

with the grooves before reassembling the two

halves together.

12 Site Master S113C/S331C/S115BQ MM

KEYPAD MEMBRANE

Figure 17. Front Panel Keypad Membrane

PCB MOUNTING

SCREWS (3)

J13 BATTERY

ONNECTOR

CLOCK

BATTERY

Figure 18. Main PCB

1 2 ... 7 8 9 10 11 12 13 14 15 16

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