-5-
[Adjustment Condition]
●
Input signal
Video signal .......................... 1.0Vp-p/75
Ω
terminated, 16 steps gray
scale (Composite video signal)
Computer signal .................... 0.7Vp-p/75
Ω
terminated, 16 steps gray
scale pattern (XGA)
Component Video signal ...... 0.7Vp-p/75
Ω
terminated, 16 steps gray
scale (Component video signal with
480p or 1080i format)
●
Picture control mode .............. “STANDARD” mode unless otherwise
noted.
Note:
* Please refer to “Service Adjustment Menu Operation” for entering to the service mode and adjusting the service
data.
White 100%
Black 100%
After replacing the Power Board readjust the Output
voltage adjustment as follows.
1. Connect a digital voltmeter to pin 1 (+) of
K6A
and
pin 3 (-) of
K6A
.
2. Adjust the voltage by using
VR601
on the power
board as following.
AC Input
Reading
230V 370
±2Vdc
or
120V
340 ±2Vdc
Caution:
Be sure to connect the lamp when taking this adjust-
ment.
●
Circuit Adjustments
CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the follow-
ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of per-
formance and product safety.
Electrical Adjustments
Output Voltage adjustment
1. Receive the 16-step gray scale video signal with
Input 3 [VIDEO]
mode.
2. Connect a digital voltmeter to pin 3 (+) of
CN6A
and
chassis ground (-).
3. Adjust the voltage to be
15.8
±0.1Vdc by using
VR681
on the power board.
+16V adjustment
1. Receive the 16-step gray scale computer signal with
Input 1 [COMPUTER]
mode.
2. Enter the service mode.
3. Connect a digital voltmeter to test point “
TP531
” (+)
and chassis ground (-).
4. Select group no. “
5
”, item no. “
1
” and change data
value to adjust the voltage to be
7.50
±0.1Vdc.
5. Connect a digital voltmeter to test point “
TP501
” (+)
and chassis ground (-).
6. Select item no. “
0
” and change data value to adjust
the voltage to be
7.50
±0.1Vdc.
7. Connect a digital voltmeter to test point “
TP561
” (+)
and chassis ground (-).
8. Select item no. “
2
” and change data value to adjust
the voltage to be
7.50
±0.1Vdc.
Video Center adjustment
16 steps gray scale pattern
Note:
The above adjustments are carried out at the spare
parts shipment, therefore it is not required when replac-
ing the power board.
Содержание PLC-XP46
Страница 42: ...MA8 XP4602 MA8 XP46L01 Electrical Parts List 42 Key No Part No Description Key No Part No Description ...
Страница 45: ...MA8 XP4602 MA8 XP46L01 45 Mechanical Parts List 51 a 51 43 43 51 b 23 a 23 b 23 Model PLC XP46 only ...
Страница 47: ...MA8 XP4602 MA8 XP46L01 47 Optical Parts List 46 58 45 45 53 a Red 53 b Green 53 c Blue 53 46 46 46 53 d ...
Страница 49: ...MA8 XP4602 MA8 XP46L01 49 Mechanical Parts List ...
Страница 50: ...MA8 XP4602 MA8 XP46L01 Mechanical Parts List 50 ...
Страница 51: ...MA8 XP4602 MA8 XP46L01 51 Mechanical Parts List ...
Страница 52: ... MK3AA Jun 2004 BB 400 Printed in Japan SANYO Electric Co Ltd ...
Страница 56: ...Diagrams Drawings PLC XP46 PLC XP46L ...