Owner's Manual - Touchboards.com
Owner's Manual - Touchboards.com
Owner's Manual - Touchboards.com
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EIP-5000/5000L<br />
Check Audio signal input of PC2.<br />
Go to "Checking the Audio circuit"<br />
Are there signal at C414 output?<br />
Are there signal at C417 output?<br />
NO Check C414, C417 and their peripheral circuits.<br />
YES<br />
Are there signal at pin (7) of IC402 and IC404? NO Check IC402, IC404 and their peripheral circuits.<br />
YES<br />
Are there signal at C445 output?<br />
Are there signal of C447 output?<br />
YES<br />
CN3001 is not stable or breakdown.<br />
Check Audio output signal.<br />
Go to "Checking the Audio circuit".<br />
Are there signal at C415 output?<br />
Are there signal at C416 output?<br />
NO Check C445, C447 and their peripheral circuits.<br />
NO Check C415, C416 and their peripheral circuits.<br />
YES<br />
Are there signal at pin (1) of IC401 and IC403? NO Check IC401, IC403 and their peripheral circuits.<br />
YES<br />
Are there signal at C446 output?<br />
Are there signal at C448 output?<br />
YES<br />
CN3001 is not stable or breakdown.<br />
Checking the Main unit.<br />
Check output signal of input1 and 2.<br />
NO Check C446, C448 and their peripheral circuits.<br />
Are there signal at R3045, R3047 and R3049 output? NO Check R3045, R3047, R3049 and their peripheral circuits.<br />
YES<br />
Are there signal at pin (2) of FL3006, FL3007 and FL3009<br />
input?<br />
YES<br />
Are there signal at pin (1) of FL3006, FL3007 and FL3009 output?<br />
YES<br />
CN3001 is not stable or breakdown.<br />
NO R3045, R3047 and R3049 are breakdown.<br />
NO FL3006, FL3007 and FL3009 are breakdown.<br />
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