Sony Projector VPL-SX235 User Manual

51Troubleshooting
Others
Troubleshooting
Before asking to have the projector repaired, try to diagnose the problem, following the 
instructions below.
SymptomsRemedyPage
The power is not turned 
on.Check if the AC power cord is firmly connected. –
When the “Control Key Lock” is set to “On,” you cannot turn 
on the projector using the ?/1 key on the projector.25
If the lamp or lamp cover is not attached securely, the projector 
cannot be turned on.53
No image. Check if the connecting cable is connected to...

52Troubleshooting
The image is dark/too 
bright.The settings for “Brightness,” “Contrast,” and “Lamp Mode” 
affect brightness of the image. Check if the value is 
appropriate.19, 26
The image will be dark when the lamp is burnt out. Check 
“Lamp Timer,” and replace the lamp with a new one if 
necessary.29, 53
“With Static Signal” is set to “On.”  26
During picture muting, the lamp is dimmed to reduce power 
consumption. 26
When video signal is not input, the lamp is dimmed to reduce 
power consumption.–...

53Replacing the Lamp
Others
Replacing the Lamp
Replace the lamp with a new one if a message displayed on the projected image (page 50).
Use an LMP-E212 projector lamp (not supplied) for replacement.
 The lamp remains hot after the projector is 
turned off. If you touch the lamp, you may 
burn your finger. When you replace the 
lamp, wait for at least an hour after 
turning off the projector for the lamp to 
cool sufficiently.
 Do not allow any metallic or inflammable 
objects into the lamp replacement...

54Replacing the Lamp
4Insert the new lamp all the way in until 
it is securely in place (1). Tighten the 
2 screws (2).
5Close the lamp cover and tighten the 
1 screw.
The power will not turn on if the lamp is 
not secured properly.
6Connect the AC power cord to a wall 
outlet and turn on the projector.
7Reset the lamp timer for notification of 
the next replacement time.
Select “Lamp Timer Reset” on the 
Function menu then press the ENTER 
key. When a message appears, select 
“Yes” to reset the lamp...

55Cleaning the Air Filter
Others
Cleaning the Air Filter
When a message appears on the projected image indicating time for a filter cleaning, clean the 
air filter (pages 49, 50).
If the dust cannot be removed from the air filter even after cleaning, replace the air filter with 
a new one. For details on a new air filter, consult with qualified Sony personnel.
If you neglect to clean the air filter, dust may accumulate, clogging it. As a result, the 
temperature may rise inside the unit, leading to a...

56Specifications
Specifications
ItemsDescriptions
ModelVPL-SW235/SW225/VPL-SX235/SX225
Projection system 3 LCD system
Display device Effective display 
sizeVPL-SW235/SW225: 0.59 inch (15.0 mm), 3 plate 
panels, Aspect ratio 16:10
VPL-SX235/SX225: 0.63 inch (16.0 mm), 3 plate panels, 
Aspect ratio 4:3
Effective picture 
elementsVPL-SW235/SW225: 3,072,000 pixels (1280 × 800 
pixels, 3 plate panels)
VPL-SX235/SX225: 2,359,296 pixels (1024 × 768 
pixels, 3 plate panels)
Projection lens Focus Manual
Light...

57Specifications
Others
INPUT OUTPUT 
(Computer/video)INPUT A
RGB/YPBPR input connector: Mini D-sub 15-pin 
female, G with sync/Y: 1 Vp-p ± 2 dB, sync negative, 
75 ohms terminated, RGB/P
BPR: 0.7 Vp-p ± 2 dB, 
75 ohms terminated, Sync signal: TTL level high 
impedance, positive/negative
Audio input connector:  Stereo mini jack, rated input 
500 mVrms, input impedance more than 47 kohms
INPUT B RGB input connector:  Mini D-sub 15-pin female, 
RGB: 0.7 Vp-p ± 2 dB, 75 ohms terminated, Sync signal: 
TTL...

58Specifications
*1: For details, refer to “Acceptable Input Signals” on page 61.
*2: Information on accessories in this manual is current as of January 2014.
*3: Not all optional accessories are available in all countries and area. Please check with your local Sony Authorized Dealer.
Design and specifications of the unit, including the optional accessories, are subject to change 
without notice. Power 
consumption
VPL-SW235:
100
 V to 120  V AC:  315 W
220  V to 240  V AC:  302 W
VPL-SW225:
100  V to...

59Specifications
Others
Pin assignment
HDMI connector (HDMI, female) RGB input connector (Mini D-sub 
15-pin, female)
RS-232C connector (D-Sub 9-pin, 
male)
1 T.M.D.S. 
Data2+11 T.M.D.S. 
Clock Shield
2 T.M.D.S. 
Data2 Shield12 T.M.D.S. 
Clock –
3 T.M.D.S. 
Data2 –13 N.C.
4 T.M.D.S. 
Data1+14 RESERVED 
(N.C.)
5 T.M.D.S. 
Data1 Shield15 SCL
6 T.M.D.S. 
Data1 –16 SDA
7 T.M.D.S. 
Data0+17 DDC GND
8 T.M.D.S. 
Data0 Shield18 +5V Power
9 T.M.D.S. 
Data0 –19 Hot Plug 
Detect
10 T.M.D.S. 
Clock+
1
2 19
18
1...

60Specifications
USB connector (Type A, female)
USB connector (Type B, female)
1VBUS (4.4 - 5.25 V)
2 Data–
3 Data+
4Ground
1VCC (+5 V)
2 Data–
3 Data+
4Ground