Sony MZ-E505 service manual 001 1 Adrs, Overall Adjustment Mode, SELF-DIAGNOSTIC Display Mode

MZ-E505

5.To terminate the Manual mode and return to the TEST MODE, press x key.

4-5. OVERALL ADJUSTMENT MODE

4-5-1. Outline of the function

This mode is designed to adjust the servo system automatically by going through all the adjustment items.

Usually, this mode is used to perform automatic adjustments when servicing the set.

For further information, refer to section 5. ELECTRICAL AD-

JUSTMENTS. (See page 18)

4-6. SELF-DIAGNOSTIC DISPLAY MODE

4-6-1. Outline of the function

The Self-diagnostic system is used in this set. If an error occurs during playback, this system detects the fault through the microprocessor’s mechanism and power control blocks and stores the cause in EEPROM in a history format.

This history, which can be viewed in the TEST MODE, provides the means of locating the fault in troubleshooting.

4-6-2. Self-diagnostic mode

1.Set the TEST MODE.

2.With all the LCD display segments blinking on the set, press

DISPLAY key and turn the control towards >B , the Self- diagnostic mode is entered.

001 1 Adrs

	Simplified contents
History code
Error display code

3.Hereinafter, each time > N is turned the control towards, the reference information display changes as follows:

0XX1 # # # #

0XXN # # # #

0XXN1# # # #

0XXN2# # # #

0XXR_– – – –

•Turn the control towards . to go back to the previous display.

•Contents of the history codes

History code number	Contents
1	The first error that occurred.
N	The last error that occurred.
N1	The first error from the last one.
N2	The second error from the last one.
R_	Total recording time ( – – – – is displayed
	for this set)

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