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Module repair, Functional description, Input processing – Grass Valley 2031RDA-MM User Manual

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34

2031RDA-SM/-MM Instruction Manual

Functional Description

Module Repair

If the module is still not operating correctly, replace it with a known good
spare and return the faulty module to a designated Grass Valley repair
depot. Call your Grass Valley representative for depot location.

Refer to

Contacting Grass Valley

at the front of this document for the Grass

Valley Customer Service Information number.

Functional Description

A block diagram of the 2031RDA-SM/-MM is shown in

Figure 17

.

Figure 17. 2031RDA-SM/-MM Block Diagram

Input Processing

The wideband serial SD signal enters the module from rear BNC J10
(labeled In) to an input amplifier. It is then equalized for the specified cable
lengths in the equalizer circuit.

8318_06

Microprocessor

J1

J7

J5

J6

J3

J4

J9

8

Electrical

Coax

Outputs

J8

Bypass

Front
LEDs

On-board

Jumpers

Reclocker

Optical

Receiver

Equalizer

2000

Frame

Bus

Optical

Transceiver

Optical
Output

Optical

Input

Coax

Input

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