Motorola Sse 5000 6881094c12 A Manual
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6881094C12-ANovember 11, 2004 Troubleshooting Charts: TX RF9-27 TX RF—Page 3 No Ye s Measure TEMP voltage at R130 No Ye s Measure RFIN DC voltage at TP101TEMP voltage
November 11, 20046881094C12-A 9-28Troubleshooting Charts: Keyload Failure 9.15 Keyload Failure MAEPF-27388-B No NoYe s Ye s NoKeyload Failure KEYLOAD message displayed? With KVL attached to radio and radio on, initiate a keyload by pressing PTT on the keyloader and look for activity on J701-1 Ye sVerify connection across J701 Repair connection Correct equipment? Obtain correct KVL and cable No Verify and repair connection of UC_CTS, UC_RS232DIN_USB-, and UC_OPT_SEL2 signals from KVL to universal connector to J101Verify the use of the correct secure kit and key loader. With KVL attached to radio and radio on, verify display message KEYLOAD Activity? Verify connection of KEYFAIL from the universal connector pin 13 to J101-2 and D301 Ye s NoGood connection? Repair connection Replace secure module Ye s Good connection? Verify operation of voltage translator circuit by seeing activity on R315 NoReplace translator circuit Ye s Translator circuit OK? Replace VOCON boardThis failure relates only to secure- equipped radios and indicates a failure to load key with the KVL indicated by the message KEYFAIL and key-fail tone. Typical failure modes would be: 1) Open between universal connector uC which places radio in Keyload mode. 2) Use of wrong KVL or KVL cable. 3) Failure of secure module. Synopsis
6881094C12-ANovember 11, 2004 Troubleshooting Charts: Secure Hardware Failure 9-29 9.16 Secure Hardware Failure MAEPF-27387-O Ye s No Ye s No No NoFail 09/10 or 09/90 Secure Hardware Failure Connections good?Repair connections Ye sReplace secure module Verify electrical activity at the following signals at power up: Connections good? Repair opens No Ye s Is known good module available?Replace module with known good one and retestVerify connections to secure module through J701 Signals good? Ye s Replace secure module Radio functions with known good module? Replace respective source IC or VOCON boardThis failure relates only to secure-equipped radios and indicates a power-up self-test failure for the secure module. More specifically this failure indicates a failure in communications between the DSP and secure module. The secure module is not considered field repairable so troubleshooting is limited to verifying a problem with the module and replacing. Typical failure modes would be: 1) Open between secure module and VOCON board at J701. 2) Failure of the SSI bus that the DSP uses to communicate with the secure module. 3) Failure to get proper supplies and grounds to J701.Synopsis Use ohmmeter to electrically verify the following signal connections to source IC: Signal @ J701 Source ENC_SSI_DI R403 ENC_SSI_DO R402 ENC_SSI_CLK R405 RESET_ENC R418 Verify bias of following signals: Signal @ J701 Nominal Bias UNSW_B+ 7.5VDC+/-1.0VDC SW_B+ 7.5VDC+/-1.0VDC GND GNDSignal @ J701 Source ENC_SSI_DI R403 ENC_SSI_CLK R405
November 11, 20046881094C12-A 9-30Troubleshooting Charts: Secure Hardware Failure Notes
Chapter 10 Troubleshooting Tables 10.1 List of Board and IC Signals Due to the nature of the schematic-generating program, signal names might be different when they are not directly connected to the same point. The tables in this chapter provide a cross reference to the various pinouts for these signals. Table 10-1 lists and provides links to each of the tables in this chapter. Table 10-1. List of Tables of Board and IC Signals Ta b l e N o .Ta b l e N a m ePage No. 10-2 J102 VOCON Board to Universal Flex 10-2 10-3 J707 VOCON Board to Controls Flex Assembly 10-2 10-4 J701 VOCON Board to Encryption Module 10-3 10-5 U402 FLASH Pinouts 10-4 10-6 U403 SRAM Pinouts 10-6 10-7 U401 MCU/DSP IC Pinouts 10-8 10-8 U301 Digital-Support IC Pinouts 10-17 10-9 U501 GCAP II IC Pinouts 10-19
November 11, 20046881094C12-A 10-2Troubleshooting Tables: List of Board and IC Signals Table 10-2. J102 VOCON Board to Universal Flex J102 Pin No.DescriptionProbe Point Side Connector Number 1 2 NO CONNECT NONE 3 UC_SB9600_BUSY R242 6 4BAT_STATUS NA NA 5 UC_RTS_KEYFAIL R248 9 6 UC_EXT_SPKR VR201, pin 1 2 7 UC_OPTB+_VPP R255 8 8 UC_EXT_SPKR_NEG VR201, pin 3 1 9 UC_RS232DIN_USB– R253 12 10 UC_EXT_MIC L207 4 11 UC_RS232DOUT_USB+ R252 11 12 UC_OPT_SEL1 R217 7 13 UC_CTS R245 14 ONE_WIRE R218 10 Table 10-3. J707 VOCON Board to Controls Flex Assembly J707 Pin No.DescriptionTo / F r o m 1 GND NA 2 GND NA 3 UC_DISP_PSH R259 4 BSENS_1 L202 5 V2A L203 6 UNSW_B+ L201 7 UC_TG1 R224 8 V2A L203 9 GND NA 10 UC_VOLUME R249 11 UC_MONITOR R233
6881094C12-ANovember 11, 2004 Troubleshooting Tables: List of Board and IC Signals 10-3 12 GND NA 13 UC_INT_PTT R216 14 UC_RTA0 R235 15 UC_SCAN R256 16 UC_RTA1 R236 17 UC_SEC_CLEAR R234 18 UC_RTA2 R239 19 GND NA 20 UC_RTA3 R241 Table 10-4. J701 VOCON Board to Encryption Module J701 Pin No.DescriptionTo / F r o m 1 KEYFAIL_LH_BDMDATA U305, pin 1 2 NO CONNECT 3 NO CONNECT 4 NO CONNECT 5 NO CONNECT 6 NO CONNECT 7SW_B+ C101 8 NO CONNECT 9 NO CONNECT 10 NO CONNECT 11 NO CONNECT 12 NO CONNECT 13 NO CONNECT 14 NO CONNECT 15 BOOT_ENC U401 16 NO CONNECT 17 NO CONNECT 18 NO CONNECT Table 10-3. J707 VOCON Board to Controls Flex Assembly (Continued) J707 Pin No.DescriptionTo / F r o m
November 11, 20046881094C12-A 10-4Troubleshooting Tables: List of Board and IC Signals 19 NO CONNECT 20 NO CONNECT 21 NO CONNECT 22 NO CONNECT 23 NO CONNECT 24 NO CONNECT 25 NO CONNECT 26 WAKEUP U401 27 NO CONNECT 28 UCM_SSI_ENC U301 29 NO CONNECT 30 RESET_ENC U401 31 NO CONNECT 32 SPARE1_ENC U401 33 GND 34 SPARE2_ENC U401 35 NO CONNECT 36 UNSW_B+ C102 37 ENC_SSI_CLK U301 38 NO CONNECT 39 ENC_SSI_DI U401 40 ENC_SSI_DO U401 Table 10-5. U402 FLASH Pinouts U402 Pin No.DescriptionTo / F r o mComment Accessible on Vocon? B4 B_CLK B_CLK** Yes E7 CS0 CS0 Active Low Yes F8 EN_OE No C5 EN_WE No D6 WRITE PROTECT No Table 10-4. J701 VOCON Board to Encryption Module (Continued) J701 Pin No.DescriptionTo / F r o m
6881094C12-ANovember 11, 2004 Troubleshooting Tables: List of Board and IC Signals 10-5 C4 ADV ADV** Yes B5 RESET D401, pin 2 1.875 V Yes E8 ADDRESS 1 No D8 ADDRESS 2 No C8 ADDRESS 3 No B8 ADDRESS 4 No A8 ADDRESS 5 No B7 ADDRESS 6 No A7 ADDRESS 7 No C7 ADDRESS 8 No A2 ADDRESS 9 No B2 ADDRESS 10 No C2 ADDRESS 11 No A1 ADDRESS 12 No B1 ADDRESS 13 No C1 ADDRESS 14 No D2 ADDRESS 15 No D1 ADDRESS 16 No D4 ADDRESS 17 No B6 ADDRESS 18 No A6 ADDRESS 19 No C6 ADDRESS 20 No B3 ADDRESS 21 No C3 ADDRESS 22 No D7 ADDRESS 23 R427* Yes A3 GROUND No F1 GROUND No G2 GROUND No G8 GROUND No E2 DATA 15 No F2 DATA 14 No Table 10-5. U402 FLASH Pinouts (Continued) U402 Pin No.DescriptionTo / F r o mComment Accessible on Vocon?
November 11, 20046881094C12-A 10-6Troubleshooting Tables: List of Board and IC Signals F3 DATA 13 No D5 DATA 12 No F4 DATA 11 No F5 DATA 10 No F6 DATA 9 No G7 DATA 8 No G1 DATA 7 R435** Yes E3 DATA 6 R434** Yes G3 DATA 5 R433** Yes E4 DATA 4 R432** Yes G5 DATA 3 R431** Yes E5 DATA 2 R430** Yes E6 DATA 1 R429** Yes F7 DATA 0 R428** Yes A5 VPP D402, pin 3 1.875 V Yes G6 VSW2 C409* 1.875 V Yes E1 VSW2 C409* 1.875 V Yes G4 VSW2 C409* 1.875 V Yes A4 VSW2 C409* 1.875 V Yes * Component located under a shield on the VOCON board ** No test point/component on the VOCON board – signal not accessible Table 10-6. U403 SRAM Pinouts U403 Pin No.DescriptionTo / F r o mComment Accessible on Vocon? A2 EN_OE No G5 R_W R_W W = 0 V Yes A1 LB No B2 UB No B5 CS1 CS2 (TP) Active Low Yes A6 CS2 C411* Active Low Yes Table 10-5. U402 FLASH Pinouts (Continued) U402 Pin No.DescriptionTo / F r o mComment Accessible on Vocon?