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It was magic after so many years to still be able to source this info. It was equally amazing to return my Pioneer receiver to it near new sound quality AFTER NEARLY 30 YEARS! Thank you for this ability!
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SECTION 1 SERVICING NOTES
1-1. Power Supply During Servicing
This unit is not able to operate on its own because it does not have its own power supply. During servicing, connect to other units. Power is supplied when the SYSTEM POWER button of the amplifier (TA-EX66/EX77) is turned ON. If the other units are not available, use a service box (PFJ-1) and jig (J-2501-078-A). In this case, press the STOP button and TIME button simultaneously to turn on the power. [Connection Diagram]
SERVICE BOX (PFJ-1) JIG (J-2501-078-A) POWER SW UNIT (CDP-EX77)
FH-E939, 838, 937 CDP/TC
CN904 17P
CN902 7P
CN101 7P SYSTEM CONTROL
CORD WITH CONNECTOR 17 P (Provided with PFJ-1)
CORD WITH CONNECTOR 7 P (Provided with unit)
1-2. Fluorescent Indicator Tube/Key Check Mode
After turning on the power, press the STOP button, TIME button, and DISC 1 button simultaneously to perform the Fluorescent indicator tube check. The steps of the Fluorescent Indicator Tube check mode will proceed onto the next one by the above multiple pressing. During the Fluorescent Indicator Tube check mode, press any button or rotate the selector knob to set the key check mode. To end the mode, press the above three buttons simultaneously.
Press any key or roted the SELECTOR knob Fluorescent Indicator Tube all lit mode Multiple pressing Segment pattern 1 mode Multiple pressing Segment pattern 2 mode Multiple pressing End of test mode Multiple pressing Key check mode
Note 1) When the three buttons pressed to enter the Fluorescent Indicator Tube all lit mode are released together, the Fluorescent Indicator Tube all lit mode will remain on. When released separately, the key check mode will be set soon after the Fluorescent Indicator Tube all lit mode. In �multiple pressing�, if the three buttons are pressed and released together, the next mode will be set. If not, the key check mode will be set. Note 2) In the key check mode, each time the button is pressed, the �KEY=� number on the Fluorescent indicator tube increases. When the SELECTOR knob is rotated, the �KEY=� number on the Fluorescent indicator tube increases in the + direction and decreases in the � direction.
�3�
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