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Model
PT-VW350 PT-VW350D PT-VW350T PT-VX420 PT-VX420D PT-VX420T PT-VX421 (serv.man4)
Pages
99
Size
16.52 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / LCD PROJECTOR
File
pt-vw350-pt-vw350d-pt-vw350t-pt-vx420-pt-vx420d-pt.pdf
Date

Panasonic PT-VW350 / PT-VW350D / PT-VW350T / PT-VX420 / PT-VX420D / PT-VX420T / PT-VX421 (serv.man4) Service Manual ▷ View online

5
PREFACE
2. Specifications
Power supply
For North America: 120 V 
 (120 V alternating current), 50 Hz/60 Hz
For other countries: 100 V - 240 V 
 (100 V - 240 V alternating current), 50 Hz/60 Hz
Power 
con-
sumption
Projecting
For North America: 3.2 A, 320 W
For other countries: 3.7 A-1.5 A, 320 W
In standby mode
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [ECO] : 0.5 W *
1
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [NETWORK] : 1.6 W *
2
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [NORMAL] : 9.5 W 
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [NORMAL], and [IN 
STANDBY MODE] of [AUDIO SETTING] is set to [ON] : 24 W
LCD 
panel
Panel size
PT-VW350
1.5 cm (0.59") (aspect ratio 16 : 10)
PT-VX420
1.6 cm (0.63") (aspect ratio 4 : 3)
Display method
3 transparent LCD panels (RGB)
Drive method
Active matrix method
Pixels
PT-VW350
1 024 000 (1 280 x 800) x 3 panels
PT-VX420
786 432 (1 024 x 768) x 3 panels
Lens
Manual zoom : 1.6x
Manual focus : F 1.6 to 1.9, f 15.31 mm to 24.64 mm
Luminous lamp
240 W UHM lamp 
Light output *
3
PT-VW350
4 000 lm 
PT-VX420
4 500 lm
Contrast ratio *
3
12 000 : 1 (all white / all black) 
([LAMP POWER] is set to [NORMAL], meanwhile [IRIS] is set to [ON])
Appli-
cable 
scanning 
frequen-
cy *
4
for Video signal (in-
cluding S-video)
Horizontal : 15.73 kHz, Vertical : 59.94 Hz
Horizontal : 15.63 kHz, Vertical : 50 Hz
for RGB signal
Horizontal 15 kHz to 100 kHz, Vertical 24 Hz to 100 Hz
Dot clock frequency: 162 MHz or less
for YP
B
P
R
 signal
[525i(480i)] 
Horizontal 15.73 kHz, Vertical 59.94 Hz
[625i(576i)] 
Horizontal 15.63 kHz, Vertical 50 Hz
[525p(480p)] 
Horizontal 31.47 kHz, Vertical 59.94 Hz
[625p(576p)] 
Horizontal 31.25 kHz, Vertical 50 Hz
[750(720)/60p] 
Horizontal 45.00 kHz, Vertical 60 Hz
[750(720)/50p] 
Horizontal 37.50 kHz, Vertical 50 Hz
[1125(1080)/60i] 
Horizontal 33.75 kHz, Vertical 60 Hz
[1125(1080)/50i] 
Horizontal 28.13 kHz, Vertical 50 Hz
[1125(1080)/60p]  Horizontal 67.50 kHz, Vertical 60 Hz
[1125(1080)/50p]  Horizontal 56.25 kHz, Vertical 50 Hz
[1125(1080)/24p]  Horizontal 27.00 kHz, Vertical 24 Hz
[1125(1080)/24sF]  Horizontal 27.00 kHz, Vertical 48 Hz
[1125(1080)/25p]  Horizontal 28.13 kHz, Vertical 25 Hz
[1125(1080)/30p]  Horizontal 33.75 kHz, Vertical 30 Hz
for HDMI signal
525i(480i)*
5
, 625i(576i)*
5
, 525p(480p), 625p(576p), 750(720)/60p, 750(720)/50p, 
1125(1080)/24p, 1125(1080)/24sF, 1125(1080)/25p, 1125(1080)/30p, 1125(1080)/60p, 
1125(1080)/50p, 1125(1080)/60i, 1125(1080)/50i
Displayable resolution: VGA to WUXGA (non-interlace)
Dot clock frequency: up to 162 MHz
Color system
7 (NTSC, NTSC4.43, PAL, PAL-N, PAL-M, SECAM, PAL60)
*1  When the [PROJECT
OR SETUP] menu → [ECO MANAGEMENT] → [STANDBY MODE] is set to [ECO], the network 
function cannot be used in standby mode.
*2  When the [PROJECT
OR SETUP] menu → [ECO MANAGEMENT] → [STANDBY MODE] is set to [NETWORK], only the 
Wake on LAN function can be used in standby mode via wired LAN.
*3  Measurement, measuring conditions and method of notation all comply with ISO21118 international standards.
*4  For details of video signals that can be projected using this projector, refer to “List of compatible signals”.  
(x page 112)
*5  Pixel-Repetition signal (dot clock frequency 27.0 MHz) only
114 - ENGLISH
PT-VX421
PT-VX421
PT-VX421
● PT-VW350/ PT-VX420/ PT-VX421
6
PREFACE
Projection size
0.76 m -7.62 m (30"-300")
Screen aspect ratio
PT-VW350
16 : 10
PT-VX420
4 : 3
Projection scheme
[
FRONT/DESK
]
[
FRONT/CEILING
]
[
REAR/DESK
]
[
REAR/CEILING
]
 (Menu setting system)
Speaker
1 (4.0 cm round-type)
Maximum usable volume output 10 W
Terminals
<COMPUTER 1 IN>
1 (High-density D-sub 15 pin female)
[RGB signal] 
0.7 V [p-p] 75 Ω (When G-SYNC: 1.0 V [p-p] 75 Ω)
 
HD/SYNC TTL high impedance, automatic positive/negative polarity compatible
 
VD TTL high impedance, automatic positive/negative polarity compatible
 
(SYNC/HD and VD do not support 3 value SYNC.)
[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 2 IN/1 
OUT>
1 (High-density D-sub 15 pin female)
[RGB signal] 
0.7 V [p-p] 75 Ω (When G-SYNC: 1.0 V [p-p] 75 Ω)
 
HD/SYNC TTL high impedance, automatic positive/negative polarity compatible
 
VD TTL high impedance, automatic positive/negative polarity compatible
 
(SYNC/HD and VD do not support 3 value SYNC.)
<VIDEO IN>
1 (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, HDC
P and Deep color compatible)
    
Audio signals: Linear PCM (Sampling frequency: 48 kHz/44.1 kHz/32 kHz) 
<AUDIO IN>
2 (M3 stereo mini jack, 0.5 V [rms], input impedance 22 kΩ and more)
   (<AUDIO IN 2 (MIC IN)> terminal support MIC input)
1 (Pin jack x 2 (L-R), 0.5 V [rms], input impedance 22 kΩ and more)
<VARIABLE AUDIO 
OUT>
1 (M3 stereo mini jack, stereo monitor output compatible,
0 V [rms] to 2.0 V [rms] variable, output impedance 2.2 kΩ and less)
<SERIAL IN>
1 (D-sub 9 pin, RS-232C compliant, for computer control use)
<LAN>
1 (for RJ-45 network connection, PJLink compatible,10Base-T/100Base-TX)
Power cable length
2.0 m (78-3/4")
Cabinet
Molded plastic
Dimensions
Width: 352 mm (13-27/32")
Height: 98 mm (3-27/32") (when the adjustable feet shortened)
Depth: 279.4 mm (11")
Weight
Approx. 3.3 kg (7.28 lbs.) *
6
Noise level *
3
When set to [NORMAL] in [LAM
P POWER] : 37 dB
When set to [ECO] in [LAM
P POWER] : 29 dB
Operating environment
Operating environment temperature *
7
:
0 °C (32 °F) to 40 °C (104 °F)
(Elevation: below 1 400 m (4 593′); [HIGH ALTITUDE MODE]: [OFF])
0 °C (32 °F) to 30 °C (86 °F)
(Elevation: 1 400 m (4 593′) ~ 2 000 m (6 562′).; [HIGH ALTITUDE MODE]: [HIGH1])
0 °C (32 °F) to 30 °C (86 °F)
(Elevation: 2 000 m (6 562′) ~ 2 700 m (8 858′); [HIGH ALTITUDE MODE]: [HIGH2])
Operating environment humidity: 20 % to 80 % (no condensation)
Remote 
control
Power supply
DC 3 V (battery (AAA/R03 or AAA/LR03 T
ype ) x 2)
Operating range
Approx. 7 m (22'11-5/8") (when operated directly in front of receptor)
Weight
63 
g (2.22 ozs.) (including batteries)
Dimensions
Width : 44 mm (1-23/32"), Length : 105 mm (4-1/8"), Height : 20.5 mm (13/16")
*6  This is an average value. It may differ depending on individual product.
*7  [LAM
P POWER] will be switched to [ECO] automatically when the operating environment temperature is 35 °C to 40 °C.
Note
 
f
The part numbers of accessories and separately sold components are subject to change without notice.
ENGLISH
 - 115
PT-VX421
7
PREFACE
Specifications
Power supply
PT-VW350D, 
PT-VX420D
100 V - 240 V 
 (100 V - 240 V alternating current), 50 Hz/60 Hz
PT-VW350T,
PT-VX420T
110 V 
 (110 V alternating current), 50 Hz/60 Hz
Power 
con-
sumption
Projecting
PT-VW350D, 
PT-VX420D
3.7 A-1.5 A, 320 W
PT-VW350T,
PT-VX420T
3.4 A, 320 W
In standby mode
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [ECO] : 0.5 W *
1
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [NETWORK] : 1.6 W *
2
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [NORMAL] : 9.5 W 
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [NORMAL],  
and [IN STANDBY MODE] of [AUDIO SETTING] is set to [ON] : 24 W
LCD 
panel
Panel size
PT-VW350D,
PT-VW350T
1.5 cm (0.59") (aspect ratio 16 : 10)
PT-VX420D,
PT-VX420T
1.6 cm (0.63") (aspect ratio 4 : 3)
Display method
3 transparent LCD panels (RGB)
Drive method
Active matrix method
Pixels
PT-VW350D,
PT-VW350T
1 024 000 (1 280 x 800) x 3 panels
PT-VX420D,
PT-VX420T
786 432 (1 024 x 768) x 3 panels
Lens
Manual zoom : 1.6x
Manual focus : F 1.6 to 1.9, f 15.31 mm to 24.64 mm
Luminous lamp
240 W UHM lamp 
Light output *
3
PT-VW350D,
PT-VW350T
4 000 lm 
PT-VX420D,
PT-VX420T
4 500 lm
Contrast ratio *
3
12 000 : 1 (all white / all black) 
([LAMP POWER] is set to [NORMAL], meanwhile [IRIS] is set to [ON])
Appli-
cable 
scanning 
frequen-
cy *
4
for Video signal (in-
cluding S-video)
Horizontal : 15.73 kHz, Vertical : 59.94 Hz
Horizontal : 15.63 kHz, Vertical : 50 Hz
for RGB signal
Horizontal 15 kHz to 100 kHz, Vertical 24 Hz to 100 Hz
Dot clock frequency: 162 MHz or less
for YP
B
P
R
 signal
[525i(480i)] 
Horizontal 15.73 kHz, Vertical 59.94 Hz
[625i(576i)] 
Horizontal 15.63 kHz, Vertical 50 Hz
[525p(480p)] 
Horizontal 31.47 kHz, Vertical 59.94 Hz
[625p(576p)] 
Horizontal 31.25 kHz, Vertical 50 Hz
[750(720)/60p] 
Horizontal 45.00 kHz, Vertical 60 Hz
[750(720)/50p] 
Horizontal 37.50 kHz, Vertical 50 Hz
[1125(1080)/60i]  Horizontal 33.75 kHz, Vertical 60 Hz
[1125(1080)/50i]  Horizontal 28.13 kHz, Vertical 50 Hz
[1125(1080)/60p]  Horizontal 67.50 kHz, Vertical 60 Hz
[1125(1080)/50p]  Horizontal 56.25 kHz, Vertical 50 Hz
[1125(1080)/24p]  Horizontal 27.00 kHz, Vertical 24 Hz
[1125(1080)/24sF]  Horizontal 27.00 kHz, Vertical 48 Hz
[1125(1080)/25p]  Horizontal 28.13 kHz, Vertical 25 Hz
[1125(1080)/30p]  Horizontal 33.75 kHz, Vertical 30 Hz
for HDMI signal
525i(480i)*
5
, 625i(576i)*
5
, 525p(480p), 625p(576p), 750(720)/60p, 750(720)/50p, 
1125(1080)/24p, 1125(1080)/24sF, 1125(1080)/25p, 1125(1080)/30p, 1125(1080)/60p, 
1125(1080)/50p, 1125(1080)/60i, 1125(1080)/50i
Displayable resolution: VGA to WUXGA (non-interlace)
Dot clock frequency: up to 162 MHz
ENGLISH
 - 111
Chapter 6   Appendix - Specifications
● PT-VW350D / PT-VW350T / PT-VX420D / PT-VX420T
8
PREFACE
Color system
7 (NTSC, NTSC4.43, PAL, PAL-N, PAL-M, SECAM, PAL60)
Projection size
0.76 m -7.62 m (30"-300")
Screen aspect ratio
PT-VW350D,
PT-VW350T
16 : 10
PT-VX420D,
PT-VX420T
4 : 3
Projection scheme
[
FRONT/DESK
]
[
FRONT/CEILING
]
[
REAR/DESK
]
[
REAR/CEILING
]
 (Menu setting system)
Speaker
1 (4.0 cm round-type)
Maximum usable volume output
10 W
Terminals
<COMPUTER 1 IN>
1 (High-density D-sub 15 pin female)
[RGB signal] 
0.7 V [p-p] 75 Ω (When G-SYNC: 1.0 V [p-p] 75 Ω)
 
HD/SYNC TTL high impedance, automatic positive/negative polarity compatible
 
VD TTL high impedance, automatic positive/negative polarity compatible
 
(SYNC/HD and VD do not support 3 value SYNC.)
[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 2 IN/1 
OUT>
1 (High-density D-sub 15 pin female)
[RGB signal] 
0.7 V [p-p] 75 Ω (When G-SYNC: 1.0 V [p-p] 75 Ω)
 
HD/SYNC TTL high impedance, automatic positive/negative polarity compatible
 
VD TTL high impedance, automatic positive/negative polarity compatible
 
(SYNC/HD and VD do not support 3 value SYNC.)
<VIDEO IN>
1 (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 signals: Linear PCM (Sampling frequency: 48 kHz/44.1 kHz/32 kHz) 
<AUDIO IN>
2 (M3 stereo mini jack, 0.5 V [rms], input impedance 22 kΩ and more)
   (<AUDIO IN 2 (MIC IN)> terminal support MIC input)
1 (Pin jack x 2 (L-R), 0.5 V [rms], input impedance 22 kΩ and more)
<VARIABLE AUDIO 
OUT>
1 (M3 stereo mini jack, stereo monitor output compatible,
0 V [rms] to 2.0 V [rms] variable, output impedance 2.2 kΩ and less)
<SERIAL IN>
1 (D-sub 9 pin, RS-232C compliant, for computer control use)
<LAN>
1 (for RJ-45 network connection, PJLink compatible,10Base-T/100Base-TX)
Power cable length
PT-VW350D, PT-VX420D
3.0 m (118-3/32”) 
PT-VW350T, PT-VX420T
2.0 m (78-3/4”) 
Cabinet
Molded plastic
Dimensions
Width: 352 mm (13-27/32")
Height: 98 mm (3-27/32") (when the adjustable feet shortened)
Depth: 279.4 mm (11")
Weight
Approx. 3.3 k
g
 (7.28 lbs.) *
6
Noise level *
3
When set to [NORMAL] in [LAMP POWER] : 37 dB
When set to [ECO] in [LAMP POWER] : 29 dB
Operating environment
Operating environment temperature *
7
:
0 °C (32 °F) to 40 °C (104 °F)
(Elevation: below 1 400 m (4 593'); [HIGH ALTITUDE MODE]: [OFF])
0 °C (32 °F) to 30 °C (86 °F)
(Elevation: 1 400 m (4 593') ~ 2 000 m (6 562'); [HIGH ALTITUDE MODE]: [HIGH1])
0 °C (32 °F) to 30 °C (86 °F)
(Elevation: 2 000 m (6 562') ~ 2 700 m (8 858'); [HIGH ALTITUDE MODE]: [HIGH2])
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 (22'11-5/8") (when operated directly in front of receptor)
Weight
63 
g
 (2.22 ozs.) (including batteries)
Dimensions
Width : 44 mm (1-23/32"), Length : 105 mm (4-1/8"), Height : 20.5 mm (13/16")
112 -
 ENGLISH
Chapter 6   Appendix - Specifications
Page of 99
Display

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