Canon LV-7545U, Руководство по обслуживанию

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Part 3: Adjustment
3-10
2. ELECTRICAL ADJUSTMENTS
[Adjustment conditions]
●
Input signals
Video signal ............................1.0 Vp-p (75 ohms terminated), 16-step monochrome
pattern
Computer signal .....................0.7 Vp-p (75 ohms terminated), 16-step monochrome
pattern (XGA)
Component video signal ..........0.7 Vp-p (75 ohms terminated), 16-step monochrome
pattern (480p or 1080i format)
●
Picture control ........................"STANDARD" mode unless otherwise specified
●
Bright mode
............................"Bright Off" mode unless otherwise specified
Note:
* Please refer to "Service Adjustment Menu Operation" for entering to the service mode
and adjusting the service data.
2.1 Output Voltage Adjustment
After replacing the power unit and P.F. unit, readjust the output voltage adjustment as
follows.
1. Connect a digital voltmeter to pin 1 (+) and 3 (–) of K6A.
2. Adjust the voltage by using VR601 as follows.
AC Input: 230V Reading: 370V ± 2V
or 100V 320V ± 2V
Fig. 3-2
The each circuit has been made by the fine adjustment at factory. Do not
attempt to adjust the following adjustments except requiring the
readjustments in servicing, otherwise it may cause loss of performance
and product safety.
CAUTION
White 100%
Black 100%
16-step monochrome pattern
Be sure to connect the lamp when taking this adjustment.
CAUTION