5-4-3. Vc PWM Duty (H) adjustment method
1.Set the Manual mode and set the item No. to 763. LCD display
763 VchPWM XX
2.Connect a digital voltmeter to TP901(VC) on the main board and adjust VOL+ key and VOL– key on the remote control.
Adjustment value:2.75V Standard value:2.74 to 2.755V
MAIN BOARD (SIDE B)
digital voltmeter
TP901 (VC)
3.Press X key to write the adjustment value.(Item No. will change to 764)
MZ-E501
3.Press X key to write the adjustment value.
The adjustment completion display appears as follows. LCD display
000 ADJ OK
5-4-5.Electrical offset adjustment method
Note: Doing adjustment by the state that a disc does not enter.
1.Confirm the power voltage is 1.5V.
2.Set to the test mode.
3.Press the VOL– key activates the overall adjustment mode. LCD display
000 Assy11
4.Press the DISPLAY key. LCD display
030 Ofst**
5.If result of electrical offset adjustment is OK,the following display appears.
LCD display
030OfstOK
5-5. OVERALL ADJUSTMENT MODE
1.Set the Manual mode and set the item No. to 764. LCD display
764 Vl PWM XX
2.Connect a digital voltmeter to TP904 (VL) on the main board and adjust VOL+ key and VOL– key on the remote control.
Adjustment value:2.23V Standard value:2.22 to 2.235V
MAIN BOARD (SIDE B)
TEST MODE (Display Check Mode)
VOL – key
Overall Adjustment Title Display(ASSY**)
.key
>N key
CD overall | x key |
Adjustment |
|
> N key | |
MO overall | x key |
Adjustment |
|
digital voltmeter
TP904 (VL)
Note: The overall adjustments should be always performed in the sequence of CD t MO adjustments.
5-5-2. Overall CD and MO adjustment method
1.Set the TEST MODE and press VOL– key to set the Overall Adjustment mode.
LCD display
000 Assy11
2.Insert CD disc in the set, and press . key to set the Overall CD Adjustment mode.
Automatic adjustments are made.
LCD display
XXXCD RUN
XXX:Item No. for which an adjustment is being executed.
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