PDIS PDS-9256 cannot work when broadcast systems after a power outage calls again |
| Time£º2015-06-03 08:22:38 Source£ºNetwork Author£ºUnknown Clicks£º1395 |
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C43service manual download site
Can in is wide of range within correction clock of frequency deviation, can to minimum resolution 3.052ppm to for correction, through and temperature sensor of combines can set adapted temperature changes of adjustment value, achieved in wide temperature range within high precision of timing function; built-in serial NVSRAM (non-easy lost sex storage), wipe wrote times can up 10 billion times; built-in one-time battery, in external off electric situation Xia using time over five years.C43service manual download site
C43service manual download site
Table 1 shows that by measuring the third legs (TEST) internal battery voltage to determine SD2300AP whether there is a charge, using a multimeter to test the PIN voltage is 0V, fault reason is SD2300AP at this point it can be concluded that the internal battery runs out. Because of the SD2300AP II foot (VBAT) external battery terminals are factory-set aside,C43service manual download site
So long as one the battery for its power supply. Author find to a battery seat and a grain CR2032 filed battery, first will battery seat of plus or minus very respectively welding Shang a root red, and black wire, again will black wire welding to circuit board of grounding end, red wire welding to SD2300AP of II feet, and hot melt glue will its fixed to suitable location, check correct Hou loaded Shang battery, artificial power test times Hou, screen Shang displayed of time are normal, seems fault has excluded.C43service manual download site
C43service manual download site
Carefully observe the PCB Board, found its front left corner battery terminal's identity (see Figure 1), for cost reasons may be manufacturers not installed it yet, if hands have the same models can be directly soldered to the battery holder.C43service manual download site
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