Lastmanuals offers a socially driven service of sharing, storing and searching manuals related to use of hardware and software : user guide, owner's manual, quick start guide, technical datasheets... DON'T FORGET : ALWAYS READ THE USER GUIDE BEFORE BUYING !!!
If this document matches the user guide, instructions manual or user manual, feature sets, schematics you are looking for, download it now. Lastmanuals provides you a fast and easy access to the user manual RADIOSHACK PART 2 PPS 12-17. We hope that this RADIOSHACK PART 2 PPS 12-17 user guide will be useful to you.
Lastmanuals help download the user guide RADIOSHACK PART 2 PPS 12-17.
Manual abstract: user guide RADIOSHACK PART 2 PPS 12-17PART 2
Detailed instructions for use are in the User's Guide.
[. . . ] RF Section
Weak or no reception
Is sensitivity on all bands abnormal?
NO
YES
Defective IC11.
NO
Is the voltage of each pin of IC11 per Tabel A?
Check incorrect band control IC.
YES
Check the subsequent circuits of the band control circuit.
Table A IC11 Pin No. [. . . ] Or, defective IC204 (CPU).
13
DSP Section (DSP Circuit Test Program)
Turn on the scanner, and press 0 then TEXT while Welcom to Digital Trunking appears.
Connect the signal generator to ANT jack. Set the signal generator frequency to 868. 5125 MHz, 10 uV output, 1 kHz at 3. 6 kHz modulation.
Press ENTER to start DSP circuit test program.
Does the scanner's display show DSP Test 1 Freq / Amp1 TEST PASSED ENT for Next?YES Press ENTER.
NO
Check "DSP Section (Digital Audio, etc. )" section on Page 15.
Does the scanner's display show DSP Test2 DSP Loopback Audio On Press Enter?YES Press ENTER.
NO
Defective IC3, C53, C57, R49, IC204, and/or associated circuit.
Does the scanner's display show DSP Test3 DSP Loopback Audio Off Press Enter?YES Press ENTER.
NO
Defective IC3, IC204 and/or associated circuit.
Does the scanner's display show DSP Test4 Flash CRC Ck TEST PASSED ENT for Next?YES Press ENTER.
NO
Defective IC204, IC210, IC209, IC212 and/or associated circuit.
Does the scanner's display show DSP Test5 Flash Lock TEST PASSED ENT for Next?The scanner shows DSP Test5 ************ All Complete Press Trunk. Press TRUNK to reset and restart the scanner.
14
DSP Section (Digital Audio, etc. )
Receive a frequency with FM mode, in manual mode. [. . . ] Also check that IC209 pin 27 goes low when receiving IMBE, and IC204 pin 54 goes high when receivng IMBE.
Defective IC211.
15 [. . . ]
DISCLAIMER TO DOWNLOAD THE USER GUIDE RADIOSHACK PART 2 PPS 12-17
Lastmanuals offers a socially driven service of sharing, storing and searching manuals related to use of hardware and software : user guide, owner's manual, quick start guide, technical datasheets... In any way can't Lastmanuals be held responsible if the document you are looking for is not available, incomplete, in a different language than yours, or if the model or language do not match the description. Lastmanuals, for instance, does not offer a translation service.
Click on "Download the user manual" at the end of this Contract if you accept its terms, the downloading of the manual RADIOSHACK PART 2 PPS 12-17 will begin.
