Sony NHF800 service manual N1####, N2####, $$$$$$ ##, 888

Flow of Self-diagnosis Result Display mode operation:

MZ-NH700/NHF800

Ver 1.1

8.KEY CHECK MODE

This mode is used for key check.

***

1 ####

[VOL +] key [VOL --] key

***

N ####

[VOL +] key [VOL --] key

***

N1####

[VOL +] key [VOL --] key

***

N2####

[VOL +] key [VOL --] key

***

R_####

The first error

The last error

One error before the last

Two error before the last

Total recording time

Operation of The Key Check Mode

1.Enter the test mode (Display Check mode).

2.Press the [GROUP] key to activate the Key Check mode where the LCD displays as shown below.

Display

11*

$$$$$$ ##

“*” : Remote commander (0: with, 4: without)

“$$$$$$” : Pressed key name.

When remote commander key is pressed, display becomes as “r$$$$$”.

When the jog dial is turned, it displays “JOG+ X” or “JOG- X” (“X” is number of 1 to 3). If the jog dial is turned four click, it displays “JOG+OK” or “JOG-OK”.

“##” : Key voltage of remote commander. (Hexadecimal number)

3.When all keys (*1) check is OK on the main unit, it displays as follows.

Display

888

SET OK ##

[VOL +] key [VOL --] key

7-2. Error Code of The Self-Diagnosis Result Display Mode

Error code	Description
00	No error
01	Attempt to access an abnormal address
02	High temperature detected
03	Focus error (no change)
04	Abnormal rotation of disc
05	Fault of disc discriminate
06	Error of access loop (no change)
07	Error of access loop (with change)
08	Could not read address
09	Focus error (with change)
12	Could not read data with SYNC
13	TOC address data error
32	Focus error, ABCD offset error
33	Tracking error, offset error
34	Tracking error, X1 tracking error, offset error

7-3. Clear The Total Recording Time

After replacing the optical pick-up, clear the total recording time.

1.Enter the test mode (Display Check mode).

2.Press the > key to activate the Self-Diagnosis Result Display mode.

3.Press the [VOL--]key once to display the total recording time indication.

4.Press the X key and display “ClrOK?”.

5.Press the X key again to display “RecT 0” and clear the total recording time.

When all keys (*1, 2) check is OK on the remote commander, it displays as follows.

Display

888

RMC OK ##

*1) Turn the jog dial four click clockwise and counterclockwise to jog test is OK.

*2) [RADIOON/OFF] key (MZ-NHF800) is not included in this check.

4.When all keys check are OK both the main unit and the remote commander, it display backs to the Display Check mode automatically.

5.To quit the Key Check mode, open the lid and return to the Display check mode.

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