5-4-3. Vl PWM Duty adjustment method
1.Set the Manual mode and set the item No. to 764. LCD display
764 VlPWM XX
2.Connect a digital voltmeter to TP917 (VL) on the main board and adjust + key (Voltage up) and – key (Voltage down) on the remote control.
Adjustment value:2.23V Standard value:2.22 to 2.235V
digital voltmeter | MAIN BOARD (SIDE A) | |
TP917 |
|
|
(VL) |
| C903 |
|
| |
|
| TP917 |
|
| (VL) |
|
| D902 |
| C901 | L902 |
|
| |
D901 |
|
|
5-5-1. Overall adjustment mode structure
TEST MODE (Display Check Mode)
VOLUME – key
Overall Adjustment |
|
|
Title Display(ASSY**) |
|
|
. key | CD overall | x key |
| Adjustment |
|
| > N key | |
> N key | MO overall | x key |
| Adjustment |
|
DISPLAY key | Electrical offset | x key |
| Adjustment key |
|
PLAY MODE key | Power Supply | x key |
| Adjustment |
|
3. Press X key to write the adjustment value.
5-4-4.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 – 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 dis- play appears.
LCD display
030 OfstOK
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 – key to set the Overall Ad- justment 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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