Circuit Adjustments - Sanyo PLC-HF10000L Service Manual

Electrical Adjustment

Circuit Adjustments

CAUTION: 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. Before taking these adjustments, turn the projector for more than 10 minutes to sta-
bilize the operation.
WARNING : USE UV RADIATION EYE AND SKIN
CAUTION:
To prevent suffer of UV radiation, those adjustments
must be completed within 25 minutes.
[Adjustment Condition]
● Input signal
Computer signal ................. 0.7Vp-p/75W terminated (XGA)
Video signal ...................... 1.0Vp-p/75W terminated (PAL/NTSC)
Component Video signal .... 1.0Vp-p/75W terminated (1080i/60)
● Image mode ........................ "Standard"
● Lamp mode......................... "2-Lamps"
● Lamp control ....................... "Normal"
● Brilliant color ....................... "Off"
● Auto picture control............. "Off"
● Color management ............. "Off"
Note:
* Please refer to "Service Adjustment Menu Operation" for entering the service mode and adjusting the service
data.
● Test Pattern
16 steps gray scale pattern
White 100%
100% full color bar pattern
W Y C G
PROTECTION DURING SERVICING.
Black 100%
M R B BK
z Output Voltage adjustment
Equipment
Lamp mode
Input AC Voltage
Connect a digital voltmeter to test points and adjust the
volumes to be specified voltage as follow;
Test Points
K16B1 (+) K16B2 (-)
K16C1 (+) K16C2 (-)
Caution:
Be sure to connect the lamp when taking this adjust-
ment.
This adjustment is not required even if the PFC board
is replaced because this adjustment is carried out be-
fore parts shipment.
-67-
Digital voltmeter
2-Lamps
230V
Volume Voltage
VR1601 390Vdc
VR1651 390Vdc