PAMS
Technical Documentation
NSE–3
Disassembly & Troubleshooting Instructions
Page 10
Original, 11/97
Flash Programming failure (3)
Flash programming doesn’t work
EEPROM (D240) pin 8 (VBB) 2.8 V
J522 (VXO) 2.8 V
NO
YES
J227 master reset (Purx) = ”1” (2.8 V)
NO
J228 sleep clock(SCLK)
square wave 32 kHz
NO
YES
Faulty circuit N100
or over loaded PurX line
check sleep
clock circuitry
(B100, R154...)
YES
MAD2 (D200) pin 93: 13 MHz sine wave
clock signal: 500 mVpp min.
YES
NO
J506 (RFC) 13 MHz
800 mV min
YES
check C213, R213
NO
check buffer V705 and
VCXO G600
Check that following lines are correct:
YES
If the fault information from the prommer is:
b) serial data line failure
a) MCU doesn’t boot
c) serial clock line failure
connect:
FCLK (MBUS) line: X100 pin 11 –> D200 pin 112
FTX (fbus_tx) line: X100 pin 13 –> D200 pin 104
FRX (fbus_rx) line: X100 pin 12 –> D200 pin 109
check also pullup and pulldown resistors: R203, R201, R215
OK
GND : X100 pin 14 –> GND
connect the shortcircuit fire from N100 pin 29 to ground (watchdog)
N100 is faulty
OK
Enable the selftest function of D200 by connecting
shortcircuit between testpoints J229 and J230
Connect an oscilloscope to testpoint J225 and switch
power on
Voltage level rises to ”1” after power on at testpoint J225
NO
YES
There is a shortcircuit
somewhere in memory control
lines or MCU address lines or
MCU lower (7:0) data lines
There could be open pins in circuits D200 (D211, D240)
If not, the PCB or D200 (D211, D240) is faulty
VBAT is correct
3.6 V
YES
Содержание NSE-3 SERIES
Страница 3: ...NSE 3 SeriesTransceivers PAMS Technical Documentation Original 11 97 Chapter 1 Foreword ...
Страница 7: ...NSE 3 Series Transceivers PAMS Technical Documentation Original 11 97 Chapter 3 System Module ...
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Страница 80: ...PAMS Technical Documentation Original 11 97 Chapter 4 UI Module UE4 ...
Страница 83: ...PAMS Technical Documentation UI Module UE4 Page 4 4 Original 11 97 Baseband Block Diagram ...
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Страница 96: ...UIF Module UE4 Original 11 97 4 A3 1 Circuit Diagram of UIF Module Version 8 Edit 44 for layout version 10 ...
Страница 98: ...UIF Module UE4 Original 11 97 4 A3 3 Circuit Diagram of Keyboard Version 8 Edit 38 for layout version 10 ...
Страница 99: ...UIF Module UE4 Original 11 97 4 A3 4 Layout Diagram of UE4 Version 10 ...
Страница 100: ...PAMS Technical Documentation Original 08 96 Appendix 1 TRANSCEIVER NSE 3NX ...
Страница 104: ...NSE 3 Series Transceivers PAMS Technical Documentation Original 11 97 Disassembly Troubleshooting Instructions ...
Страница 139: ...PAMS Technical Documentation Original 11 97 HFU 2 ...
Страница 146: ...PAMS Technical Documentation HFU 2 Page 8 Original 11 97 Exploded View of HFU 2 3 2 4 5 1 ...
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Страница 154: ...PAMS Technical Documentation Original 11 97 CARK 64 Installation Guide ...
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Страница 159: ...PAMS Technical Documentation Original 11 97 CARK 91 Installation Guide ...
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Страница 168: ...NSE K B 3 Series Transceivers PAMS Technical Documentation Original 11 97 Service Tools ...
Страница 192: ...PAMS Technical Documentation NSE K B 3 Service Tools Page 25 Original 11 97 This page intentionally left blank ...
Страница 193: ...NSE 3 System Module UP8T Original 11 97 3 A3 1 Block Diagram of System RF Blocks ...
Страница 194: ...NSE 3 System Module UP8T Original 11 97 3 A3 2 Circuit Diagram of Baseband Version 12 Edit 8 for layout version 14 ...
Страница 195: ...NSE 3 System Module UP8T Original 11 97 3 A3 3 Circuit Diagram of Power Supply Version 14 Edit 41 for layout version 14 ...
Страница 198: ...NSE 3 System Module UP8T Original 11 97 3 A3 6 Circuit Diagram of Audio Version 14 Edit 27 for layout version 14 ...
Страница 199: ...NSE 3 System Module UP8T Original 11 97 3 A3 7 Circuit Diagram of IR Module Version 14 Edit 21 for layout version 14 ...
Страница 200: ...NSE 3 System Module UP8T Original 11 97 3 A3 8 Circuit Diagram of RF Block Version 14 Edit 26 for layout version 14 ...
Страница 203: ...NSE 3 Series Transceivers PAMS Technical Documentation Original 11 97 Tuning Instructions ...
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