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

RH-53/54
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
■

Connections to Baseband

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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