DOWNLOAD Panasonic PT-LW373 / PT-LW333 / PT-LB423 / PT-LB383 / PT-LB353 / PT-LB303 (serv.man3) Service Manual ↓ Size: 20.74 MB | Pages: 70 in PDF or view online for FREE

9

ENGLISH - 111

<Unit : mm (inch)>

335 (13-3/16")

87 (3-7/16")

250 (9-27/32")

252 (9-29/32")

61 (2-13/32")

9 (11/32")

96 (3-25/32")

167.5 (6-19/32")

68.5 (2-11/16")

55 (2-5/32")

 

Actual dimension may differ by product.

*1  Measurement, measuring conditions and method of notation all comply with ISO/IEC 21118:2012 international standards.

*2 

For details of video signals that can be projected using this projector, refer to “List of compatible signals”. (x page 107)

*3 

Pixel-Repetition signal (dot clock frequency 27.0 MHz) only

*4  Only for PT-LW373, PT-LW333, PT-LB423, PT-LB383 and PT-LB353.
*5  This is an average value. It may differ depending on individual product. 

*6  Measurement, measuring conditions and method of notation all comply with ISO/IEC 21118:2012 international standards.
*7  [Lamp control] will be switched to [

 (Eco 1)] automatically when [High land] is set to [Off] and the operating environment temperature is 35 °C to 40 °C. 

[Lamp control] will be switched to [

 (Eco 1)] automatically when [High land] is set to [On 1] or [On 2] and the operating environment temperature 

is 30 °C to 35 °C.

Note

 

f The part numbers of accessories and separately sold components are subject to change without notice.

n

10

INF-1

 (2017-01)

2. 1. Maintenance 
2. 2. Replacing the Unit
2. 3. How to check the lamp runtime
2. 4. Cleaning

3. 1. Before service operation
3. 2. Service
3. 3. Security functions
3. 4. Standby mode
3. 5. How to change the baud rate of serial communication port

4. 1. LED indicators
4. 2. Shutdown system
4. 3. Error log
4. 4. Troubleshooting chart
4. 5. I/O port functions

INF-2

This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the projector, it will 
automatically turn off by operating one of the following protection circuits. 

There is a thermal switch inside of the projector to detect the inter-

nal temperature rising abnormally. When the internal temperature 

around lamp reaches near 120°C , the thermal switch will open to 
cut off the power supply to the lamp power circuit.
The thermal switch is not reset to normal automatically even if the 
internal temperature becomes normal. Please reset the thermal 
switch following to the procedure below.

1. Remove the cabinet top case.
2. Press the reset button on the thermal switch. 

Before press the reset button, disconnect the AC cord from the projector.

The lamp cover switch cuts off the drive signal to the lamp circuit 

when the lamp cover is removed or not closed completely. After open-
ing the lamp cover for replacing the lamp unit, place the lamp cover 
correctly otherwise the projector cannot turn on. 

A fuse is located inside of the projector. When the ON (G)/STAND-

BY (R) indicator is not lighting, the fuse may be opened. Please 
check the fuse as following steps.
The fuse should be used with the following type;

1.  The fuse is placed on the filter board. Remove the cabinet

  top according to the section 2 "Mechanical Disassembly". 

2.  Take the fuse off from the fuse holder, then replace the new

  one with the specified type. 
 

Fuse
(F2003)

Thermal fuse 

Lamp cover switch