Sony Walkman MZ-RH1 Service Manual page 20

MZ-RH1
3-6. Servo Overall Adjustment
3-6-1. Operation of the overall adjustment mode
Note1: Be sure to adjustment so that the set is horizontal and the upper
panel is upside. Unless performed in that state, it is not adjusted
correctly.
Note2: If NG is displayed in the middle of this adjustments, perform "3-1.
Initialize The Adjustment Value" and "3-5. Setting The Adjustment
Values" again, then retry this adjustments from step 1.
Procedure:
1. Enter the test mode (Display Check mode).
2. Press the [VOL--] key to enter the Overall Adjustment mode.
3. Insert the CD adjustment disc (TDYS-1).
4. Put the main unit horizontal so that the upper panel becomes
upside, and press the
.
5. Wait until "CD OK" is displayed on the EL.
6. Insert the MD1/HiMD1 hybrid adjustment disc
(MDW-74/GA2).
7. Put the main unit horizontal so that the upper panel becomes
upside, and press the
>
8. Wait until "MD1 OK" is displayed on the EL.
9. Insert the Hi-MD3 adjustment disc (HMD1GSDJ).
10. Put the main unit horizontal so that the upper panel becomes
upside, and press the [VOL+] key.
11. Wait until "HMD3OK" is displayed on the EL.
12. Eject the disc and close the upper panel.
13. Put the main unit horizontal so that the upper panel becomes
upside, and press the [VOL--] key.
14. Wait until "OfstOK" is displayed on the EL.
15. Press the key and back to the Display Check mode.
x
Flow of overall adjustment mode:
Overall Adjustment Mode
0000 AdjF**
CD Overall Adjustment Mode
key
.
****
key
x
MD1 Overall Adjustment Mode
key
>
****
key
x
Hi-MD3 Overall Adjustment Mode
[VOL +] key
****
key
x
Stray Light Offset Overall Adjustment Mode
[VOL --] key
****
key
x
Optical Pick-up Operation Check Mode
[DISPLAY/MENU] key
0000
key
x
Initialize The Adjustment Values
[T MARK] key
1911
key
x
20
key.
key.
CD Run
MD1Run
HM3Run
OfsRun
OPChk
ResOK?
3-6-2. Error message in the overall adjustment mode
In the Overall Adjustment mode, if an error occurred, it displays as
following table.
Display
Close! Dose not close the lid
DfDis! Unsuitableness disc was inserted
NoChg! Does not finish the check of charge function yet
NotCD! Does not complete the CD Overall adjustment before the
MD1 Overall adjustment
NotM1! Does not complete the MD1 Overall adjustment before the
Hi-MD3 Overall adjustment
NotH3! Does not complete the Hi-MD3 Overall adjustment before
the Stray Light Offset Overall adjustment
****NG Error of item number "****"
3-7. Resume Clear
Procedure:
1. Enter the test mode (Display Check mode).
2. Press the [VOL+] key to enter the Manual mode.
3. Press the [VOL+] key once, press the
[VOL--] key once, press the
key twice, press the
>
number 1933.
4. Press the key to resume clear.
X
5. Press the key four times and back to the Display Check
x
mode.
3-8. Releasing The Test Mode
Note: When the power supply is switched on in the state where all
electrical adjustments have not finished, it is displayed on EL as
"Error EE'' and the usual operation can't be performed. When a
power supply is accidentally turn off in the middle of electrical
adjustments, it is again set as test mode and electrical adjustments
is mode to complete.
Description
key once, press the
>
key once, and press the [VOL+]
>
key three times to select the item