PAMS
Technical Documentation
NSE–3
Disassembly & Troubleshooting Instructions
Page 7
Original, 11/97
The fault information messages could be:
– MCU doesn’t boot
– Serial clock line failure
– Serial data line failure
– External RAM fault
– Algorithm file or alias ID don’t find
– MCU flash Vpp error
In cases that the flash programming doesn’t succeed there is a possibility
to check short circuits between the memories and the MCU (MAD2).
This test is useful to do, when the fault information is: MCU doesn’t boot,
Serial clock line failure or Serial data line failure.
The test procedure is following:
1. Connect the short circuit wire between the test points J229 and J230.
2. Switch power on
3. If the voltage level in testpoint J225 is 2.8 V (”1”), the interface is OK. If
there is a short circuit, the voltage level in testpoint J225 stays low and
32kHz square wave signal can be seen in the lines which are al-
ready tested.
One must be noticed that this test can be found only short circuits, not
open pins.
Also upper data lines (15:8) of flash circuit D210 are not included to this
test.
CCONT pin 54
( PURX )
MAD pin 38
( MCUAD0)
MAD pin 134
( ExtSysResX))
selftest
passed
J225
Summary of Contents for NSE-3 SERIES
Page 3: ...NSE 3 SeriesTransceivers PAMS Technical Documentation Original 11 97 Chapter 1 Foreword ...
Page 7: ...NSE 3 Series Transceivers PAMS Technical Documentation Original 11 97 Chapter 3 System Module ...
Page 80: ...PAMS Technical Documentation Original 11 97 Chapter 4 UI Module UE4 ...
Page 83: ...PAMS Technical Documentation UI Module UE4 Page 4 4 Original 11 97 Baseband Block Diagram ...
Page 99: ...UIF Module UE4 Original 11 97 4 A3 4 Layout Diagram of UE4 Version 10 ...
Page 100: ...PAMS Technical Documentation Original 08 96 Appendix 1 TRANSCEIVER NSE 3NX ...
Page 139: ...PAMS Technical Documentation Original 11 97 HFU 2 ...
Page 146: ...PAMS Technical Documentation HFU 2 Page 8 Original 11 97 Exploded View of HFU 2 3 2 4 5 1 ...
Page 153: ...PAMS Technical Documentation HFU 2 Page 15 Original 11 97 This page intentionally left blank ...
Page 154: ...PAMS Technical Documentation Original 11 97 CARK 64 Installation Guide ...
Page 158: ...PAMS Technical Documentation CARK 64 Page 5 Original 11 97 This page intentionally left blank ...
Page 159: ...PAMS Technical Documentation Original 11 97 CARK 91 Installation Guide ...
Page 167: ...PAMS Technical Documentation CARK 91 Page 9 Original 11 97 This page intentionally left blank ...
Page 168: ...NSE K B 3 Series Transceivers PAMS Technical Documentation Original 11 97 Service Tools ...
Page 193: ...NSE 3 System Module UP8T Original 11 97 3 A3 1 Block Diagram of System RF Blocks ...
Page 203: ...NSE 3 Series Transceivers PAMS Technical Documentation Original 11 97 Tuning Instructions ...