Aiwa CX-NR11, Руководство по обслуживанию

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CD TEST MODE
CD TEST MODE Ver. 3.0
1. Starting CD Test Mode
While pressing and holding down the CD OPEN/CLOSE button, insert the AC plug to outlet.
When test mode starts, the message, “ TEST” appears on the display.
2. Exiting CD Test Mode
Press the other function button, POWER button or remove the AC plug from outlet.
3. Function of CD Test Mode
No Mode Function Key Display Movement Check
1 Start Mode All lit. FL all lit. • FL check
• Microcomputer check
2 Search Mode STOP button READING • LD constantly lit. • APC circuit check
• Focus search continuous • Laser current electricity measurement
movement *1, 2 • Focus search waveform check
• Spindle motor continuous kick • Focus error waveform check
(DRF is ignored during search mode.)
3 Play Mode PLAY button Normal • Normal playback • Each servo circuit check
• If TOC READ is unavailable, • DRF check
focus search is continued.
4 Traverse PAUSE Normal • Tracking servo OFF/ON • Tracking balance check
Mode button OFF and ON is repeated by every
press of the PAUSE button.
5 Sled mode FF button TEST • PU moves to the innermost position. *3
At the same time, lens is kicked
• Sled circuit check
toward inner position.
• Tracking circuit check
RWD button TEST • PU moves to the outermost position. *3
• Mechanism movement check
At the same time, lens is kicked toward
• PU check
outer position.
6 Spindle mode All lit. • When the button is pressed at the first • Spindle circuit check
time, spindle motor rotates forward
(at rough speed).
At the second press, rotation is reversed.
At the third press, rotation stops.
* 1 … When Focus Search operates continuously more than 10 minutes, the protection circuit is activated due to heat generation of the driver IC.
In this case, turn off the power, wait for approximately 10 minutes so that heat is released, and then restart.
• Spindle motor check REC MUTE
* 2 … When Focus Search fails three times, the gain is switched for CD-RW at the fourth time.
* 3 … Be careful not to damage the gear because the sled motor rotates while the FF or RWD button is being pressed even if the pickup is located in
the innermost track or the outermost track.
button
REC/
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• RF frequency check (approx. 1.7Vp-p)