5-4-3. VI PWM Duty adjustment
Connection:
5-5. OVERALL ADJUSTMENT MODE
5-5-1. Overall adjustment mode structure
digital voltmeter
MAIN board
TP904 (VL)
TP921 (GND) 
Procedure:
1.Set the Manual mode and set the item No. to 764. LCD display
764 VlPWM XX
TEST MODE (Display Check Mode)
VOL 
Overall Adjustment Title Display(ASSY**)
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> N
CD overall |
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Adjustment |
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MO overall |
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Adjustment |
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2.Connect a digital voltmeter to TP904 (VL) and TP921 (GND) on the main board and adjust VOL + (Voltage up) and VOL – (Voltage down) on the remote control.
Adjustment value:2.23V Standard value:2.22 to 2.235V
3.Press X key to write the adjustment value.
5-4-4. Vb A/D value check
1.Set the Manual mode and set the item No. to 731. LCD display
731 Vb_AD XX
2.Confirm the A/D value is 73 to 87 hex.
3.Confirm the power supply consumiption current is 120 mA or less.
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.Turn the control towards VOL – activates the overall adjust- ment mode.
LCD display
000 Assy11
4.Press the DISPLAY key. LCD display
035 Ofst**
5.If result of electrical offset adjustment is OK,the following dis- play appears.
LCD display
000OfstOK
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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 turn the control towards VOL – to set the Overall Adjustment mode.
LCD display
000 Assy11
2.Insert CD disc in the set, and turn the control towards . 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.
3.If NG in the overall CD adjustments, return to Reset NV and perform from the electrical offset adjustment again.
LCD display
000XXX NG
XXX:NG item No.
4.If OK through the overall CD adjustments, then perform overall MO adjustments.
LCD display
000CD OK
5.Insert MO disc in the set, and turn the control towards > N to set the Overall MO Adjustment mode. Automatic adjustments are made.
LCD display
XXXMO RUN
XXX:Item No. for which an adjustment is being executed.
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