Panasonic Projector PT-SW280A User Manual
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Chapter 6 Maintenance — Lamp and temperature indicators ENGLISH - 101 Lamp and temperature indicators When an indicator lights up If a problem should occur inside the projector, the lamp indicator and the temperature indicator will inform you by lighting or blinking. Check the status of the indicators a\ nd remedy the indicated problems as follows. Attention f Before you take a remedial measure, follow the procedure of switching the power of f indicated in “ Switching of f the projector” ( x page 39). PT-SX320A Lamp indicator Temperature indicator Lamp indicator Indicator statusLighting in red Blinking in red StatusTime to replace the lamp unit. ( x page 104) A problem is detected in the lamp or the power supply for the lamp. Check f Was [REPLACE LAMP] displayed when you turned on the power? f The indicator lights up when the runtime of the lamp unit reaches 3 800 hours (when [LAMP POWER] is set to [NORMAL]). f Have you turned on the power again immediately after turning it off? f Some error has occurred in the lamp circuit. Check for fluctuation (or drop) in the source voltage. Remedy f Replace the lamp unit. f Wait a while until the luminous lamp cools off, and then turn on the power. f Turn off the projector, and unplug the AC power cord, and consult your dealer. Note f If the lamp indicator is still lighting or blinking after taking \ the preceding measures, ask your dealer for repair. Temperature indicator Indicator statusLighting in red Blinking in redBlinking in red (Slow) StatusThe air filter unit is clogged, internal temperature is high (warning). The air filter unit is clogged, internal temperature is high (standby status).The projector detects an abnormal condition and cannot be turned on. Check f Is the air intake/exhaust port blocked? f Is the room temperature high? f Is the air filter unit dirty? ― Remedy f Remove any objects that are blocking the air intake/ exhaust port. f Install the projector in a location with an ambient temperature of 0 ° C (32 ° F) to 40 ° C (104 ° F) *1. f Do not use the projector at high altitudes of 2 700 m (8 858') or higher above sea level. f Clean the air filter unit or replace the filter of the air filter. ( x page 102, 103) f If the projector is turned off again, unplug the AC power cord and contact the dealer or the service center for service and checkup. *1 When using the projector at high altitudes (between 1 400 m (4 593') and 2 700 m (8 858') above sea level), the operating environment temperature should be between 0 ° C (32 ° F) and 35 ° C (95 ° F). Note f If the temperature indicator is still lighting or blinking after \ taking the preceding measures, ask your dealer for repair . f If the [LAMP POWER] is set to [NORMAL], [LAMP POWER] may be set to [ECO] forcibly to protect the projector when the o\ perating environment temperature becomes 35 ° C (95 ° F) or higher.

Chapter 6 Maintenance — Care and Replacement 102 - ENGLISH Care and Replacement Preparations Before cleaning, be sure to turn off the power and disconnect the power plug from the wall outlet. ( x page 35) CLEANING THE PROJECTOR Cabinet Wipe off dirt and dust gently with a soft cloth. f If it is difficult to remove the dirt, wipe the projector with a damp cloth. Dry of f the projector with dry cloth. f Do not use petroleum benzine, thinner, any alcoholic solvent, kitchen detergents or chemical cloths. Failure \ to observe these may result in altered or damaged surfaces of the projector. Projector lens Make sure no dirt or dust remains on the surface of the projector lens g\ lass. It will be enlarged and projected onto the screen. Wipe off dirt and dust gently with a lint-free cloth. Do not wipe the projector\ lens with a cloth which has collected dust. Note f Clean the projector lens with special care. Clean the air filter If the air filter is excessively dirty, the internal temperature of the projector increases, the TEMP indicator lights, and the power is turned off. If the power is turned off, the TEMP indicator flashes. Clean the air filter regularly every 100 hours of usage. 1) Remove the air filter. While pressing the tab of the air filter, pull the air filter open slowly. 2) Clean the air filter. Vacuum dirt and dust from the air filter. 3) Install the air filter. Install in the reverse order to 1). Note f Do not use the projector without attaching the air filter. Otherwise, it will suck in dirt and dust which can cause malfunction. f The TEMP indicator may flash because of clogging within 100 hours, depending on the using environment. In that case, clean the air filter at shorter intervals. Ta b Air filter

Chapter 6 Maintenance — Care and Replacement (continued) ENGLISH - 103 Care and Replacement (continued) REPLACE THE LAMP UNIT Replace the filter The air filter should be replaced when cleaning is ineffective and when replacing the lamp unit. A replacement filter is provided with a replacement lamp unit (ET-LAL600). Contact an Authorized Service Center for the filter (TXFKN01VKN5). 1) Remove the air filter. f Refer to step 1) of “ Clean the air filter ” ( x page 102) . 2) Remove the filter of the air filter. f Remove the fixed adhesive tapes (2) at on the air filter, and remove the filter of the air filter. 3) Install the filter of the air filter. f Install the new filter (Model No.: TXFKN01VKN5) on the shell of the air filter, and fixed it with adhesive tapes on the both sides. 4) Install the air filter. f Refer to step 3) of “ Clean the air filter ” ( x page 102) . Lamp unit The lamp unit, ET-LAL600 is consumable and you must replace it regularly. It is recommended that a qualified technician carry the lamp unit replacement. Consult with an Authorized Service Center. Note on lamp unit replacement f Handle the lamp unit with special care as the lamp is made of glass. Dropping or giving it a shock may cause it to burst or damaged. f The lamp contains mercury. If you wish to discard the used lamp, please contact your local authorities or dealer and ask for the correct method of disposal. f Prepare a Phillips-head screwdriver. f When replacing the lamp unit, be sure to hold it by the handle. f Hold the lamp unit horizontally to prevent broken pieces from scattering\ . When the projector is mounted in the ceiling, do not work directly under the projector or put your face close to the projector. Pull out the lamp vertically Note f Prior to replacing the lamp unit, allow it to cool down to prevent the r\ isk of burns, damage and other hazards. f Do not attempt replacement of an unauthorized lamp unit. f The model Nos. of the accessories and the parts sold separately are subj\ ect to change without notice.

Chapter 6 Maintenance — Care and Replacement (continued) 104 - ENGLISH Lamp unit replacement time When the lamp has expired, the brightness may decrease over time. 4 000 \ hours of use is a rough guide of the replacing time and that might be shortened due to usage conditions, specifications of the lamp unit or environmental conditions. Y ou can check the duration of usage time by checking LAMP RUNTIME in the PROJECTOR SETUP menu. Do not use a lamp unit over 5 000 hours. Failure to observe this may result in explosion of the lamp\ . ON-SCREEN DISPLAY LAMP indicator 3 800 hours Display “ REPLACE LAMP ” at the upper left of the screen for 30 seconds. If any button is pressed within 30 seconds, the message disappears. Illuminates red, even in the standby mode. 4 000 hours Display “REPLACE LAMP ” at the upper left of the screen, and it will stay until you respond. The power is turned off automatically in 10 minutes. Note f The guide time, 4 000 hours, is a rough estimate based on certain condit\ ions and is not a guaranteed time. REPLACE LAMPLAMP

Chapter 6 Maintenance — Care and Replacement (continued) ENGLISH - 105 Lamp replacement procedure f When the projector is mounted in the ceiling, do not work directly under\ the projector or put your face close to the projector. f Be sure to install the lamp unit and attach the lamp unit cover securely\ . 1) Disconnect the power plug from the wall outlet according to “ Switching off the projector ” (x page 39), wait for at least 1 hour and check the bottom if the lamp unit has cooled. 2) Use a Phillips-head screwdriver to loosen the 1 lamp unit cover screw on\ the back of the projector until the screw loosen, then to the rear slide slightly and remove the lamp unit c\ over. Lamp unit cover Rear side Top side 输入 Lamp unit cover screwLamp unit cover PT-SX320A 3) Use a Phillips-head screwdriver to loosen the 2 lamp unit screws. Pull the used lamp unit gently from the projector. PT-SX320A 4) Press in the unused lamp unit until it clicks and make sure the unit is \ installed securely. Tighten the 2 lamp unit screws securely with a Phillipshead screwdriver. During insertion, particularly press the portion securely. PT-SX320A 5) Attach the lamp unit cover and tighten the 1 lamp unit cover screw secur\ ely with a Phillips-head screwdriver. 6) Connect the power cord to a wall outlet. 7) Press the POWER button to begin projection. Note f If INITIAL START UP in the PROJECTOR SETUP menu is set to ON, the projector starts projecting when the power cord is connected to a \ wall outlet. ( x page 71) Lamp unit screws Handles Lamp unit screws

Chapter 6 Maintenance — Care and Replacement (continued) 106 - ENGLISH 8) Press the button on the remote control or the control panel. f The main menu screen appears. 9) Press as to select [PROJECTOR SETUP] and press the button. f The [PROJECTOR SETUP] screen is displayed. 10) Press as to select [LAMP RUNTIME]. 11) Press and hold the button for approximately 3 seconds. f The [LAMP RUNTIME RESET] screen is displayed. 12) Press qw to select [OK] and press the button. 13) Press the power button. 14) After the lamp goes off, projection stops and the indicator lit red. Disconnect the power plug. The lamp runtime has been reset to “ 0”. Note f If any button other than the Power < v/ b > button is pressed, the LAMP RUNTIME screen disappears and the lamp runtime is not reset. (Repeat from step 8 again). OK LAMP RUNTIME RESET LAMP RUNTIME CANCEL RETURN ENTER SELECT

Chapter 6 Maintenance — Troubleshooting ENGLISH - 107 Troubleshooting Review the following points. For details, see the corresponding pages. ProblemsPoints to be checkedPage Power does not turn on. f Is the power plug firmly inserted into the outlet? ― f Is the wall outlet supplying electricity? ― f Have the circuit breakers tripped? ― f Is the lamp indicator or the temperature indicator lit or \ blinking? 101 f Is the lamp cover attached securely? 105 No image appears. f Are connections to external devices correctly performed? 30 f Is the input selection setting correct? 40 f Is the [BRIGHTNESS] adjustment setting at a minimum? 52 f Is the external device that is connected to the projector working proper\ ly? ― f Is the AV mute function in use? 42, 69 Image is fuzzy. f Is the lens focus set correctly? 41 f Is the projection distance appropriate? 28 f Is the lens dirty? 17 f Is the projector installed perpendicular to the screen? ― Color is pale or grayish. f Is [COLOR] or [TINT] adjusted correctly? 53 f Is the external device connected to the projector adjusted correctly? ― f Is the RGB cable damaged? ― Audio is not output. f Is the external device connected correctly to the audio input terminal? 23 f Is [MUTE] in [AUDIO SETTING] set to [ON]? 74 f Is the audio input selection in [AUDIO SETTING] set correctly? 75 Remote control does not respond. f Are the batteries depleted? ― f Is the polarity of the batteries set correctly? 24 f Are there any obstructions between the remote control and the remote control signal receiver of the projector? 21 f Is the remote control being used beyond its effective operation range? 21 f Are other forms of light, such as fluorescent light, affecting the projection? 21 f Is the [REMOTE CONTROLLER] setting in [CONTROL DEVICE SETUP] set to [DISABLE]? 79 f Is the ID number setting operation correct? 46 Buttons on the control panel do not operate. f Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to [DISABLE]? 79 Image does not display correctly. f Is there a problem with the video tape or other image sources? ― f Is a signal which is not compatible with the projector being input? 11 2 Image from a computer does not appear. f Is the cable too long? (For D-Sub cables, the cable length should be 10 m (32'10") or shorter.) ― f Is the external video output on the laptop computer set correctly? (Ex.: The external output settings may be switched by pressing the “ Fn ” + “ F3 ” or “ Fn ” + “ F10 ” simultaneously. Since the method varies depending on the computer type, refer to the user manual provided with your computer.) ― Video from HDMI compatible device does not appear or it appears jumbled. f Is the HDMI cable connected securely? 30 f Turn off and on the power of the projector and the external device. ― f Is a signal which is not compatible with the projector being input? 11 2 Audio from HDMI compatible device does not appear. f Set to the linear PCM audio for the connected devices. ― Attention f If problems persist even after checking the preceding points, consult yo\ ur dealer.

108 - ENGLISH Chapter 7 Appendix This chapter describes specifications for the projector.

Chapter 7 Appendix — Technical information ENGLISH - 109 Technical information terminal The terminal of the projector conforms with RS-232C so that the project\ or can be connected to and controlled from a computer. Connection D-Sub 9p (female) D-Sub 9p (male) Computer Communication cable (straight) Projector connecting terminals Note f When [STANDBY MODE] is set to [ECO], the projector cannot be controlled during standb\ y. Pin assignments and signal names D-Sub 9-pin (female)Outside viewPin No.Signal nameDetails (9)(6) (5) (1) (1) ― NC (2) TXDTransmitted data (3) RXDReceived data (4) ― NC (5) GNDEarth (6) ― NC (7) CTS Connected internally (8) RTS (9) ― NC Communication conditions (Factory default) Signal levelRS-232C-compliant Sync. methodAsynchronous Baud rate9 600 bps ParityNone Character length8 bits Stop bit1 bit X parameterNone S parameterNone rWhen connecting directly

Chapter 7 Appendix — Technical information 110 - ENGLISH Basic format Transmission from the computer starts with STX, then the ID, command, par\ ameter, and ETX are sent in this order. Add parameters according to the details of control. (2 byte ) 2 ID characters (2 bytes) Semi-colon(1 byte) Colon(1 byte) 3 command characters (3 bytes) Parameter (undefined length) Start (1 byte) ZZ, 01 to 06 ID designate End (1 byte) Basic format (has subcommands) Parameter (6 bytes)* Symbol “+” or “-” (1 byte) and set value or adjustment value (5 bytes) Operation (1 byte) “=” (Value specified using parameter is set) Sub command (5 bytes) Same as basic format *1 When transmitting a command which does not need a parameter, an operation (E) and parameter are not necessary. Attention f If a command is transmitted after the lamp starts illuminating, there ma\ y be a delay in response or the command may not be executed. T ry sending or receiving any command after 60 seconds. f When transmitting multiple commands, be sure to wait until 0.5 seconds h\ as elapsed after receiving the response from the projector before sending the next command. When transmitting a command which does not need a parameter , a colon (:) is not necessary . Note f If a command cannot be executed, the “ ER401 ” response is sent from the projector to the computer . f If an invalid parameter is sent, the “ ER402 ” response is sent from the projector to the computer . f ID transmission in RS-232C supports ZZ (ALL) and 01 to 06. f If a command is sent with a specified ID, a response will be sent to the computer only in the following cases. g It matches the projector ID g When [PROJECTOR ID] ( x page 70) on the projector is [ALL] f STX and ETX are character codes. STX shown in hexadecimal is 02, and ETX\ shown in hexadecimal is 03.