Sony hcd vz 50 md service manual

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2 Procedure for using the Self-Diagnosis Function (Error History Display Mode). Note:Perform the self-diagnosis function in the error history display mode in the test mode. The following describes the least required procedure. Be careful not to enter other modes by mistake. If other modes are entered accidentally, press the NAME EDIT/ CHARACTER button while REC IT is lit, and when REC IT goes off, press the MD Z button to exit the mode. 1. In the power ON state, set the function to MD, and while pressing the DISPLAY and x buttons together, press V-GROOVE . While the test mode is set. [Check] will be displayed. 2. Move the multi-stick left and right to display [Service] and press the PUSH ENTER button. 3. Move the multi-stick left and right to display Err Display. 4. Press the PUSH ENTER button to enter the error history mode. op rec tm will be displayed. 5. Select the item to be displayed or executed using the multi-stick. 6. Press the NAME EDIT/CHARACTER button so that REC IT lights up. 7. Press the MD REC MODE button to display the selected item. 8. Press the REC MODE button another time to return to step 4. 9. Pressing the CLEAR button when REC IT is lit displays Err Display and exits the error history display mode. 10. To exit the test mode, press the MD Z button while REC IT is off. This sets the standby state and ends the test mode. Self-diagnosis Display This system has the Self-diagnosis display function to let you know if there is a system malfunction. The display shows a code made up of three or five letters and a message alternately to show you the problem. To solve the problem, refer to the following list. If any problem persists, consult your nearest Sony dealer. C11 / Protected The MD is protected against erasure. pRemove the MD and slide the tab to close the slot (page 49). C12 / Cannot Copy You are attempting to record a CD with a format that the system does not support, such as CD-ROM. p -“-“ C13 / REC Error Recording is not possible. pMove the system to a stable place and start recording over from the beginning. The MD is dirty or is scratched or the MD does not meet the standards. pChange the MD with another one and start recording over from the beginning. C13 / Read Error The MD cannot read the disc information correctly. pEject the MD once, then insert it again. C14 / Toc Error The MD cannot read the disc information correctly. pChange the MD with another one. pErase all the recorded contents of the MD using the Erase function. C41 / Cannot Copy This unit complies with the Serial Copy Management System (SCMS) which limits the number of digital copies that can be made of any given digital audio source. E0001 / MEMORY NG The component has internal problems. pConsult your nearest Sony dealer. E0101 / LASER NG There is a problem with the laser pickup. pThe laser pickup may be damaged. Consult your nearest Sony dealer. Tuner section FM stereo, FM/AM superheterodyne tuner FM tuner sectionTuning range Tourist model: 76.0 -“ 108.0 MHz Other models: 87.5 -“ 108.0 MHz Antenna FM lead antenna Antenna terminals 75 ohm unbalanced Intermediate frequency 10.7 MHz AM tuner sectionTuning range 531 -“ 1,602 kHz (with the interval set at 9 kHz) 530 -“ 1,710 kHz (with the interval set at 10 kHz) Antenna AM loop antenna Antenna terminals External antenna terminal Intermediate frequency 450 kHz General Power requirements 120 V, 220 V, 230 -“ 240 V AC, 50/60 Hz Adjustable with voltage selector Power consumption 180 watts Dimensions (w/h/d) Approx. 250 x 375 x 395 mm Mass Approx. 12.0 kg Supplied accessories: AM loop antenna (1) FM lead antenna (1) Remote Commander (1) Batteries (2) Video cable (1) Speaker cords (2) Front speaker pads (8) Design and specifications are subject to change without notice.

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3 ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode Display op rec tm op play tm spdl rp tm retry err total err err history retry adrs er refresh op change spdl changeHistory Displays the total recording time. When the total recording time is more than 1 minute, displays the hour and minute When less than 1 minute, displays Under 1 min The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time. Displays the total playback time. When the total playback time is more than 1 minute, displays the hour and minute When less than 1 minute, displays Under 1 min Displays the total rotating time of the spindle motor. When the total rotating time is more than 1 minute, displays the hour and minute When less than 1 minute, displays Under 1 min Displays the total number of retry errors during recording and playback Displays r xx p yy. xx is the number of errors during recording. yy is the number of errors during playback. This is displayed in hexadecimal from 00 to FF. Displays the total number of errors Displays total xx. This is displayed in hexadecimal from 00 to FF. Displays the past ten errors. Displays 0x ErrCd@@. X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the error code. Select the error history number using the Multi stick. Displays the past five retry addresses. Displays xx ADRS yyyy, xx is the history number, yyyy is the cluster with the retry error. Select the error history number using the Multi stick. Mode for erasing the error and retry address histories Procedure 1. Press the MD REC MODE button while REC IT is lit when displayed as er refresh. 2. Press the PUSH ENTER button when the display changes to er refresh?. When Complete!! is displayed, it means erasure has completed. Be sure to check the following after executing this mode. *Data has been erased. *Perform recording and playback, and check that the mechanism is normal. Mode for erasing the total time of op rec tm, op play tm. These histories are based on the time of replacement of the optical pick-up. If the optical pick-up has been replaced, perform this procedure and erase the history. Procedure 1. Press the MD REC MODE button while REC IT is lit when displayed as op change. 2. Press the PUSH ENTER button when the display changes to op change?. When Complete!! is displayed, it means erasure has completed. Mode for erasing the total spdl rp tm time These histories are based on the time of replacement of the spindle motor. If the spindle motor has been replaced, perform this procedure and erase the history. Procedure 1. Press the MD REC MODE button while REC IT is lit when displayed as spdl change 2. Press the PUSH ENTER button when the display changes to spdl change? When Complete!! is displayed, it means erasure has completed.