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Model
PT-VX505NU PT-VX505NE PT-VX505NEA PT-VW435NU PT-VW435NE PT-VW435NEA
Pages
127
Size
20.36 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / LCD PROJECTOR
File
pt-vx505nu-pt-vx505ne-pt-vx505nea-pt-vw435nu-pt-vw.pdf
Date

Panasonic PT-VX505NU / PT-VX505NE / PT-VX505NEA / PT-VW435NU / PT-VW435NE / PT-VW435NEA Service Manual ▷ View online

-6-
Specifications
Model No.
PT-VW435NU / E / EA
PT-VX505NU / E / EA
Termi-
nals
COMPUTER IN 
1 /COMPONENT 
IN
1 (D-sub 15 pin female)
[RGB signal]  
0.7 V [p-p] 75 Ω (When G-SYNC: 1.0 [p-p] 75 Ω
   
 HD/SYNC TTL high impedance, automatic positive/negative po-
larity compatible
   
 VD  TTL  high  impedance,  automatic  positive/negative  polarity 
compatible
[YP
B
P
R
 signal]    Y: 1.0 V [p-p] including synchronization signal, P
B
P
R
: 0.7 V [p-p] 
75 Ω
COMPUTER IN 2 
/MONITOR OUT
[RGB signal]  
0.7 V [p-p] 75 Ω (When G-SYNC: 1.0 [p-p] 75 Ω
   
 HD/SYNC TTL high impedance, automatic positive/negative po-
larity compatible
   
 VD  TTL  high  impedance,  automatic  positive/negative  polarity 
compatible
VIDEO IN
1 (RCA pin jack 1.0 V [p-p] 75 Ω)
S-VIDEO IN
1 (Mini DIN 4 pin, Y 1.0 V [p-p], C 0.286 V [p-p] 75 Ω, S1 signal compatible)
HDMI IN
1 (HDMI 19 pin, HDCP and Deep color compatible)
AUDIO IN
2 (M3 stereo mini jack, 0.5 V [rms], input impedance 22 kΩ and more)
1 (RCA pin jack x 2 (L-R), 0.5 V [rms], input impedance 22 kΩ and more)
VARIABLE AU-
DIO OUT
1 (M3 stereo mini jack, stereo monitor output compatible,
0 V [rms] to 2.0 V [rms] valuable, output impedance 2.2 kΩ and less)
USB
USB connector (type A x 1 or type B x 1)
SERIAL IN
1 (D-sub 9 pin, RS-232C compliant, for computer control use
LAN
1 (for RJ-45 network connection, PJLink compatible,)
Wire-
less 
LAN
Specification 
standards
IEEE802.11b/g/n (Standard Protocol)
Channel
IEEE802.11b/g/n : 1 ~ 13  channel
Communication 
range
About 30 m (It may differ depending on operating environment.)
Power cable length
2.0 m(78 3/4")
Cabinet
Molded plastic
Dimensions
Width: 379 mm (14.92")
Height: 107 mm (4.21") (when front adjustable feet shortened)
Depth: 305 mm (12.01") (excluding protractions)
Weight
Approx.4.8 kg(10.58 lbs.) 
*4
Operating environment
Operating environment temperature
*5:
0 °C (32 °F) to 40 °C (104 °F) (Elevation: below 1 200 m; [Fan control]: [Off])
0 °C (32 °F) to 30 °C (86 °F) (Elevation: 1 200 m ~ 2 000m; [Fan control]: [On1])
0 °C (32 °F) to 30 °C (86 °F) (Elevation: 2 000 m ~ 2 700m; [Fan control]: [On2])
Operating environment humidity: 20 % to 80 % (no condensation)
Remote 
control
Power supply
DC 3 V (battery (AAA/R03 
or AAA/LR03 Type ) x 2
)
Operating range
Approx. 7 m (275.6") (when operated directly in front of receptor)
Weight
102 g (3.6 ozs.) (including batteries)
Dimensions
Width : 48 mm (1.89"), Length : 145 mm (5.71"), Height : 27 mm (1.06")
*4: This is an average value. It may differ depending on individual product.
*5: If [Lamp power] is set to [Normal] and the operating environment temperature exceeds 35°C(95 °F), 
  [Lamp power] may be changed to [Eco] automatically.
• The part numbers of accessories and separately sold components are subject to change without notice.
-7-
Lamp cover switch (SW901)
The lamp cover switch (SW901) cuts off the drive signal to the lamp 
circuit when the lamp cover is removed or not closed completely. 
After opening the lamp cover for replacing the lamp assy, place the 
lamp cover correctly otherwise the projector can not turn on.
Thermal fuse (SW902)
There is a thermal fuse (SW902) inside of the projector to detect the 
internal temperature rising abnormally. When the internal tempera-
ture around lamp reaches near 113˚C, the thermal fuse will open to 
cut off the power supply to the lamp power circuit.
If the thermal fuse opens, the projector cannot turn on. Thermal 
fuse replacement is required. 
This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the pro-
jector, it will automatically turn off by operating one of the following protection circuits.
Fuse
(F601)
Circuit Protections
Fuse (F601)
A  fuse  is  located  inside  of  the  projector.  When  the  ON(G)/
STANDBY(R)  indicator  is  not  lighting,  the  fuse  may  be  opened. 
Check the fuse as following steps.
The fuse should be used with the following type;
Fuse Part No.: 423 035 3004
TYPE T8AH 250V FUSE
LITTEL FUSE INC. TYPE 0215008.MXEP
or
How to replace the fuse
1.  The fuse is placed on the AC 1ST FILTER board. Remove the 
cabinet  top,  MAIN&AV  board  following  the  "Mechanical  Disas-
sembly" . 
2.  Take  the  fuse  off  ,  and  replace  the  old  one  with  the  specified 
type.
Fuse Part No, : 424 007 3909
TYPE 8AH 250V FUSE
SKY-GATE, Ltd. TYPE SG5013008P-R
Thermal fuse 
(SW902)
Lamp cover switch 
(SW901)
-8-
Circuit Protections
The projector will be automatically turned off when the internal temperature of the projector is abnormally high, or the 
cooling fans stop spinning, or the power supplies in the projector are failed.
Warning temperature and power failure protection
The projector is shut down and the WARNING indicator lights red.
When the projector detects an abnormal condition, it is automatically shut down to protect the inside of the projector 
and the WARNING indicator lights red. In this case, unplug the AC power cord and reconnect it, and then turn the 
projector on once again to verify operation. 
WARNING
DO NOT LEAVE THE PROJECTOR WITH THE AC POWER CORD CONNECTED UNDER AN 
ABNORMAL CONDITION. IT MAY RESULT IN FIRE OR ELECTRIC SHOCK.  
Note:
- If the WARNING indicator lights red, it may defect the cooling fans or power supply circuits. Check fans operation  
  and  power supply lines referring to the chapter “Power supply & protection circuit” and "Fan control circuit" in the  
  Chassis Block Diagram section.
When the temperature inside the projector reaches a certain level, the projector will be automatically shut down to 
protect the inside of the projector and the WARNING and ON(G)/STANDBY(R) indicators start blinking. When the 
projector has cooled down enough (to its normal operating temperature), the ON(G)/STANDBY(R) indicator stops 
blinking and lights red, The projector can be turned on again by pressing the  
button.
Note:
The WARNING indicator continues to blink even after the temperature inside the projector returns to normal. When 
the projector is turned on again, the WARNING indicator stops blinking.
Check items
- Remove dust around  the air filter.  
  
- Ventilation slots of the projector are blocked. In such an event, reposition the projector so that ventilation slots are          
  not obstructed.
- Check if projector is used at higher temperature.
The projector is shut down and the WARNING indicator is blinking red.
LED indicator
WARNING 
indicator
ON(G) / STANDBY(R)
indicator
-9-
Maintenance
n
 Outer Case
  Wipe off dirt and dust using a soft dry cloth.
  •  If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector with a 
dry cloth.
  •  Do not use benzene, thinner, or rubbing alcohol, other solvents, household cleaners, or chemical treated dusters. 
Using them may cause deterioration of the outer case.
n
 Front glass surface of the lens
  Wipe off the dirt and dust off the front surface of the lens with soft clean cloth.
  •  Do not use a cloth that has an abrasive surface or a cloth that is moist, oily, or covered with dust.
  • Do not use excessive force when wiping the lens as it is fragile.
Attention
The lens is made of glass. Impacts or excessive force when wiping may scratch its surface.
Please handle with care.
Before replacing the unit
When you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect the 
power plug from the wall outlet.
Maintenance
n
 Replacement of the air filter unit (side)
1) Remove the air filter cover.
  • Open the air filter cover in the direction of the arrow in 
  the figure and remove it.
2) Remove the air filter unit.
  i) Hold the knob of the air filter unit and pull out in
 
the direction of the arrow, the top of the air filter
 
unit will pop up.
  ii)Take out the air filter unit upwards.
  •  After removing the air filter unit, remove large
 
foreign objects and dust from the air filter
compartment and the projector’s air intake port
 
if there are any.
3) Insert the new air filter unit.
  •  Hold the air filter unit that the knob is outside of
 
the projector, perform Step 2) in the reverse order.
•  Do not press the filter part when push into the
projector at last
4) Install the air filter cover.
  • Make sure that the air filter cover is closed tightly
 
Replacing the unit
Replacement air filter unit: ET-RFV200 
(a pair of air filter unit for back and side)
n
 Air filter unit
Filter prevents dust from accumulating on the optical elements inside the pro-
jector. Should the filter become clogged with dust particles, it will reduce cool-
ing fans’ effectiveness and may result in internal heat buildup and adversely 
affect the life of the projector. If a “Filter warning” icon appears on the screen, 
replace the filter immediately.
Air filter cover (side)
Air filter unit (side)
Knob
Page of 127
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