Sanyo PLC-SW30 Service Manual

1. Receive the 16-step gray scale computer signal with
COMPUTER IN [RGB] mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “TPR1” (+) and
chassis ground (-).
4. Select item no. “7” and change data value to adjust
waveform “a” to be minimum amplitude.
5. Connect an oscilloscope to test point “TPG1” (+) and
chassis ground (-).
6. Select item no. “8” and change data value to adjust
waveform “a” to be minimum amplitude.
7. Connect an oscilloscope to test point “TPB1” (+) and
chassis ground (-).
8. Select item no. “9” and change data value to adjust
waveform “a” to be minimum amplitude.
(a)
White Level
-23-
● 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
[Adjustment Condition]
● Input signal
Video signal .......................... 1.0Vp-p/75Ω terminated, 16 steps gray
scale, white 100% and white 50% pat-
tern (Composite video signal)
Computer signal .................... 0.7Vp-p/75Ω terminated, 16 steps gray
scale pattern (SVGA)
Component Video signal........ 0.7Vp-p/75Ω terminated, 16 steps gray
scale, white 100% and black 0% pat-
tern (480i format and 480p 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%
x PC Gain adjustment
16 steps gray scale pattern
1. Receive the 16-step gray scale computer signal with
COMPUTER IN [RGB] mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “TPR1” (+) and
chassis ground (-).
4. Select item no. “275” and change data value to adjust
the pedestal level and black level to be the same
level.
5. Connect an oscilloscope to test point “TPG1” (+) and
chassis ground (-).
6. Select item no. “276” and change data value to adjust
the pedestal level and black level to be the same
level.
7. Connect an oscilloscope to test point “TPB1” (+) and
chassis ground (-).
8. Select item no. “277” and change data value to adjust
the pedestal level and black level to be the same
level.
Black Lebel Pedestal Lebel
z PC Pedestal adjustment

Sanyo PLC-SW30 Specifications

General

Native aspect ratio	4:3
Projection distance	- m
Vertical scan range	50 - 100 Hz
Horizontal scan range	15 - 80 kHz
Projection technology	3LCD
Contrast ratio (typical)	300:1
Screen size compatibility	34 - 200 \
Projector native resolution	SVGA (800x600)
Keystone correction, horizontal	20 °
Lamp type	UHP
Lamp power	150 W
Light source type	Lamp
Service life of light source	2000 h
Service life of light source (economic mode)	2500 h
RMS rated power	0.8 W
Number of built-in speakers	1
Power source	AC
AC input voltage	100 - 240 V
Power consumption (standby)	- W
Power consumption (typical)	244 W
Power consumption (PowerSave)	169 W
Focus	Manual
Throw ratio	1.6 - 1.9:1
Focal length range	- mm
Aperture range (F-F)	1.6 - 1.8
HDCP	-
Noise level	- dB
Dot clock scanning frequency	100 MHz
Full HD	No
Analog signal format system	NTSC, NTSC 4.43, PAL, PAL M, PAL N, SECAM
Supported graphics resolutions	800 x 600 (SVGA)
USB connector type	USB Type-B
HDMI ports quantity	0
Serial interface type	RS-232
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Placement	Desktop
Product type	Standard throw projector
Product color	Black, White
Cables included	AC, VGA
Remote control type	IR

Weight and Dimensions

Depth	190 mm
Width	270 mm
Height	78 mm
Weight	2100 g