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Detailed SONY CFD980 Service Manual at an easy to find one stop shopping. Make my radio hobby technically interesting. Thanks.
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Excellent service from Owner-Manuals.com, good prices and quick turn around. The supplied PDF was good enough quality to be enlarged sufficiently to read component values.
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Very complete shop manual. It contains everything needed to troubleshoot bascially any problem. Instructions, diagrams, schmeatics, illustrations... it's all there. Highly recommended!
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Great product, very good quality, found all needed information. Thanks
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Excellent quality, helped to fix problem. Thank you very much!!!!
SS-US501/SW-US501/UZ-US501
SECTION 4 TEST MODE
[TEST MODE]
Procedure: 1. Press the I/1 button on the main set once while pressing the [S-MODE] button on the remote commander (RM-Z7S101) and the [INPUT] button on the main set. 2. When the test mode is activated, �USB� and �VOL� are displayed on the liquid crystal display. 3. Press the [VOLUME +] button on the main set, and the display on liquid crystal display will change over from �VOL� to �LCD�, �SWP� �ALLOC�, version number, and �VOL� in this order (in reverse order if the [VOLUME -] button on the main set is pressed). 4. Press the [INPUT] button on the main set, and the displayed test item will start (except version display). 5. Press the I/1 button to turn the power OFF, and the test mode will be deactivated and the cold reset will be executed. Test Items:
Item VOLUME TEST Description The display on liquid crystal display changes over from �VOL� to �0�, �10�, �20�, �30�, �40�, and �VOL� in this order, and along with the change of display, the volume is also changed. The liquid crystal display all blink, and after 5 seconds, they return to original state.
LCD TEST
SWAP (DSP TEST) The input signal is outputted to 5.1ch speakers. This mode is deactivated if the [INPUT] button on the main set is pressed again. KEY ALLOC TEST If the button displayed on the liquid crystal display is pressed, the next button is displayed. When all buttons are pressed, the original display is restored. The version number of microcomputer software is displayed.
Version Display
Note: During the test mode, the APC (auto power control) turns ON, and it turns OFF if the [INPUT] button on the main set is not pressed for 5 seconds.
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