Sony XP-ZV71 Service Manual page 5

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• Microcomputer Halt Function
By short pressing the [VOL-] button on the set or the [VOL-] button
on the remote control during play back, the operation of the
microcomputer is stopped.
After the microcomputer stopped, any key operation or display
operation is not performed. Communication with the DSP is not
performed. This mode is used only for checking the operation/
function of servo.
(LCD on the remote control is lit off)
Note : To exit this mode , switch off and then switch on.
5. How to exit the Service Mode
1) Turn off the power.
2) Open the solder land SL302 (TEST) on the MAIN board.
Note : The solder should be removed clean.
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