User Guide

PAMS Technical Documentation Troubleshooting Instructions

NSB-5

Issue 1 03/01 Nokia Mobile Phones Ltd. Page 9

Figure 3: Fault Finding for Flash Programming Errors (Cont’d)

Check that the following lines are OK:

FCLK (MBUS) line: X200 pin 11, X201 pin 3 -> V102 pin 5

FTX (fbus_tx) line: X200 pin 13, X201 pin 1 -> V101 pin 5

FRX (fbus_rx) line: X200 pin 12, X201 pin 2 -> V101 pin 4

Check also pull-up and -down resistors: R106, R306, R307

GND: X200 pin 14, X201 pin 7 -> GND

OK? Repair or defective PCB

MAD or FLASH faulty.

Yes