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MZ-E501
3. Hereinafter, each time > N key is pressed, the reference
information display changes as follows:
• Press . key to go back to the previous display.
• Contents of the history codes
0XX 1 # # # #
0XX N # # # #
0XX N1 # # # #
0XX N2 # # # #
0XX R
– – – –
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 the Self-diagnostic mode is entered.
001 1 Adrs
History code
Error display code
Simplified contents
History code number Contents
1 The first error that occurred.
N The last error that occurred.
N-1 The first error from the last one.
N-2 The second error from the last one.
R
Total recording time ( – – – – is displayed
for MZ-E501)
Description
No error
An attempt to access an abnormal address.
HIGH TEMP
Focus off-center.
Abnormal rotation of disc
Faulty TOC contents
Data could not be read at SYNC
Instantaneous interruption detected.
Offset error
FE ABCD Offset error
TE Offset error
X1 TE Offset error
• Description of the error display codes
Meaning of code
No error
Access target address illegally specified
HIGH TEMP
FOCUS ERROR
SPINDLE ERROR
TOC ERROR
READ DATA ERROR
LOWBATT
OFFSET ERROR
FE_ABCD_OFFSET_ERR
TE_OFFSET_ERR
X1_TE_OFFSET_ERR
Contents of fault
No error
Servo system error
TOC error
Power system error
Offset error
Display code
00
01
02
03
04
11
12
22
31
32
33
34
Simplified
contents
– – – –
Adrs
Temp
Fcus
Spdl
TOC
Data
LBat
Ofst
ABCD
TE
X1TE
4-6-3. Clearing the error display code
After servicing, reset the error display code.
1. Set the TEST MODE.
2. Pressing the DISPLAY key on the remote control activates the
self-diagnosis display mode.
3. To reset the error display code, press X key (2 times)on the
remote control when the code is displayed. (except “R - - - -” )
(All the data on the 1st, N, N-1 and N-2 will be reset)