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17
7.4.
External MIC recording circuit confirmation
7.5.
Built-in MIC recording circuit confirmation
Power-supply voltage
OK?
NO
NO
NO
NO
YES
Refer to the voltage table.
CL413,CL414
Input signal confirmation
YES
External MIC stereo recording
JK401 NG.
CL401,CL402
Input signal confirmation
( GND?)
Built-in MIC stereo recording
CL401,CL402
Input signal confirmation
(GND?)
M401 or M402 NG.
(or R412 or R417 NG)
NO
LB402 or LB403 or
R407 or R408 or
C407 or C408 NG.
YES
CL125
䡠CL126
Input signal confirmation
YES
IC401 or IC402 or peripheral parts
YES
IC301 NG.
Start
Start
Power-supply
voltage OK?
YES
YES
YES
YES
Refer to the voltage table
Built-in MIC stereo recording
CL401,CL402
Input signal confirmation
NO
Defective M401 or M402 (or R412 or R417 NG)
CL125,CL126
Input signal confirmation
NO
NO
NO
CL127,CL128
Input signal
confirmation
IC301 NG
Q413 or Q418 is NG.
NO
YES
CL404,CL405
Input signal confirmation
IC401 or IC402 or peripheral parts
IC403 or IC404 or peripheral parts
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