Test Interfaces; Connections To Baseband; Fig 12 Test Pattern - Nokia RH-53 Manual

System module

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8-System Module

Test Interfaces

Test pattern is placed on engine PWB, for service and production purposes, same test pattern

is used for after sales purposes as well.

Through MBUS or FBUS connections, the phone HW can be tested by PC software (Phoenix)

and equipment (FLALI/FINUI/LABEL).

DAI

GND

FBUS RX

FBUS TX

MBUS

Vpp

■

The flash programming box, FPS8, is connected to the baseband using a galvanic connector

or test pads for galvanic connection. The UEM watchdog is disabled during flash programming

to prevent a hardware reset of the timer. The flash programming interface connects the flash

prommer to the UPP via the UEM and the connections correspond to a logic level of 2.7 V. The

flash prommer is connected to the UEM via the MBUS (bi-directional line), FBUS_TX, and

FBUS_RX. The programming interface connections between the UEM and the UPP constitute

the MBUS_TX, MBUS_RX, FBUS_TX, and FBUS_RX lines. The interface also uses the BSI

ISSUE 1 09/2004

Figure 12: Test pattern

Figure 1 Production test pattern J396 (DAI is J300)

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