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No audio output
Audio-play is not started only by
setting Audio-CD.
Please connect interface-cable and
use CD-player software.
Play Audio-CD with CD-player
software.
LED blinking ?
YES
check waveform :
IC201(85)
IC201(86)
OK
CN402(2) : about 0V
NO
check waveform :
CN701(46)
CN701(43)
OK
check waveform :
CN402(6)
CN402(3)
OK
check waveform :
IC451(5)
IC451(3)
OK
IC451(8) : 5V
IC451(2) : about 0V
NO
check waveform :
IC451(7)
IC451(1)
OK
check waveform :
JK451(2)
JK451(3)
*Headphon out: optional for PC OEM.
*
Check item
NO
• connection of Drive and PC
• IC201-- CN701
*) The play command is not received.
NG
• IC201
YES
• IC201(1) -- Q402 -- CN401(2) -- Q401
• IC201
NG
• IC201(85) -- CN701(46)
• IC201(86) -- CN701(43)
NG
• CN701(46) -- CN402(6)
• CN701(43) -- CN402(3)
• CN402(6) -- IC451(5)
NG
• CN402(3) -- IC451(3)
• RV451
• C451, C452
• R453, R454
NG
• IC451(8) -- R460 -- CN402(7) --
CN401(7) -- 5V power
YES
• IC451(2) -- CN402(2) -- CN401(2)
• R461, C459
NG
• IC451
• IC451(7) -- JK451(2)
• IC451(1) -- JK451(3)
NG
• C453, C454
• R455, R456
• C455, C456
• L451, L452
OK
• JK451
• connected Headphone
When the CD-player software using DAE play
mode, Line-out is not enable
Note : When the circuit number is written, check parts and
soldering including a nearby circuit.
When two or more pin numbers are indicated by the
party, check signal-line including a nearby circuit.
59
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