SW-HF 5.1 4500 SERVICE GUIDE.pdf - Genius
SW-HF 5.1 4500 SERVICE GUIDE.pdf - Genius
SW-HF 5.1 4500 SERVICE GUIDE.pdf - Genius
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1.2.8 Remote control no use<br />
Problem<br />
Remote control no use<br />
Analyze and<br />
identify the<br />
causes<br />
1. Low power supply<br />
of the battery<br />
2.Defective<br />
soldering of battery<br />
spring<br />
Remote PCB<br />
broken, or its IC or<br />
other components<br />
defective<br />
Defective<br />
conductive rubber<br />
of some keys<br />
Defective<br />
or<br />
dry-soldered REM1,<br />
IC2,R1,EC1,CC1 in<br />
<strong>SW</strong>-<strong>HF</strong><strong>5.1</strong> <strong>4500</strong> MCU<br />
PCB<br />
Replace or<br />
Check<br />
and<br />
Check and<br />
Check and<br />
Solutions<br />
repair<br />
replace<br />
replace<br />
replace<br />
Version 1.1 Page 14 of 33<br />
Service Guide <strong>SW</strong>-<strong>HF</strong> <strong>5.1</strong> <strong>4500</strong>
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