Panasonic PT-EZ57 (serv.man5) Service Manual ▷ View online
5
PREFACE
<EZ57>
CONTENTS
1. Safety Precautions
2. Specifications
SECTION 1 SERVICE INFORMATION
1. The name of each part
2. Menu Navigation
3. Service Mode
4. Notes on service
5. Troubleshooting
SECTION 2 DISASSEMBLY PROCEDURES
1. Parts Locations
2. Disassembly Instructions
3. Optical Parts Disassembly
<Cable reforming>
SECTION 3 ADJUSTMENTS
1. Adjustment Items and Procedures
2. Firmware Update Procedure
SECTION 4 SCHEMATIC DIAGRAMS
1. Block Diagram
2. Interconnection Block Diagram
3. Schematic Diagram
4. Circuit Boards Diagram
6
PREFACE
<EZ57>
1. Safety Precautions
1.1. General Guidelines
- For continued safety, no modification of any circuit must be attempted.
- Unplug the power cord from the power outlet before disassembling this projector.
- Use correctly the supplied power cord and must ground it.
- It is advisable to use an isolation transformer in the AC power line before the service.
- Be careful not to touch the rotation part (cooling fan, etc.) of this projector when you service with the upper case removed
and the power supply turned ON.
- Observe the original lead dress during the service. If a short circuit is found, replace all the parts overheated or damaged
by the short circuit.
- After the service, all the protective devices such as insulation barriers, insulation papers, shields, and isolation R-C combi-
nations must be properly installed.
- After the service, check the leakage current to prevent the customer from getting an electric shock.
1.2. Leakage Current Check
1. Prepare the measuring circuit as shown in Fig.1.
Be sure to use a voltmeter having the performance described in Table 1.
2. Assemble the circuit as shown in Fig. 2. Plug the power cord in a power outlet.
3. Connect M1 to T1 according to Fig. 2 and measure the voltage.
4. Change the connection of M1 from T1 to T2 and measure the voltage again.
5. The voltmeter must read 0.375 V or lower in both of steps 3 and 4. This means that the current must be 0.75mA or less.
6. If the reading is out of the above standard, the projector must be repaired and rechecked before returning to the customer
because of a possibility of an electric shock.
M1
M2
Rs
Cs
Rb
10KΩ ±0.1%
0.022µF
±1.0%
Vb
(V) V
Rs: 1500 Ω±0.1%
Cs: 0.22 µF±1.0%
Rb: 500 Ω±0.1%
to T1
or T2
in FIg.2
Weighted leakage current=Vb / 500 (A)
Fig. 1
Isolation transformer
T1
T2
connection
to power outlet
M1
M2
Fig.2
Projector
Measuring
Circuit (Fig.1)
Performance
Voltmeter
(rms reading)
Accurancy:
≤ 2%
Input resistance:
≥ 1 MΩ
Input capacitance: ≤ 200 pF
Frequency range: 15 Hz to 1 MHz
Table. 1
1.3. UV Precaution and UHM Lamp Precautions
- Be sure to unplug the power cord from the power outlet when replacing the lamp.
- Because the lamp reaches a very high temperature during its operation, wait until it cools completely when replacing the
Lamp Unit.
- The lamp emits small amounts of UV-radiation, avoid direct-eye contact with the light.
- The lamp unit has high internal pressure. If improperly handled, explosion might result.
- Because the high pressure lamp involves a risk of failure, never touch the lamp wire lead during the service.
7
PREFACE
<EZ57>
2. Specifications
Chapter 7 Appendix — Specifications
142 - ENGLISH
Specifications
The specifications of the projector are as follows.
Power supply
100 V - 240 V
(100 V - 240 V alternating current), 50 Hz/60 Hz
Power
consumption
Projecting
484 W (5.5 A - 2.3 A)
In standby mode
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [ECO]: 0.5 W
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [NORMAL]: 8 W
When [STANDBY MODE] of [ECO MANAGEMENT] is set to [NORMAL], and [IN STANDBY MODE] in
[AUDIO SETTING] is set to [ON]: 22 W
LCD panel
Size
1.63 cm (0.64") (aspect ratio 16:10)
Display system
Translucent screen LCD panel 3 panels, 3 primary color system
Drive system
Active matrix
Number of pixels 2 304 000 pixels (1 920 x 1 200 dots) x 3 panels
Lens
Zoom
1.22 ~ 2.26:1
Focus
F = 1.6 ~ 2.2
f = 17.1 mm ~ 31.7 mm
Luminous lamp
320 W, UHM lamp
Light output
*1
5 000 lm
Contrast ratio
*1
2 000:1 (when [PICTURE MODE] is set to [DYNAMIC], [LAMP POWER] is set to [NORMAL],
[DAYLIGHT VIEW] is set to [OFF] and [AUTO POWER SAVE] is set to [OFF])
Color system
7 standards (NTSC/NTSC4.43/PAL/PAL-N/PAL-M/SECAM/PAL60)
Projected image size
1.02 m (40") - 10.16 m (400")
Screen aspect ratio
16:10
Projection method
[FRONT/CEILING], [FRONT/DESK], [REAR/CEILING], [REAR/DESK]
Speaker
4.0 cm, round, x 1
Max. effective audio output
10 W (monaural)
Power cord length
3.0 m (118-1/8")
Outer case
Molded plastic
Dimensions
Width
498 mm (19-19/32")
Height
145 mm (5-11/16") (with legs at shortest position)
Depth
398.3 mm (15-11/16")
Weight
Approx. 7.9 k] (17.42 lbs.)
*2
Noise level
*1
35 dB when [LAMP POWER] is set to [NORMAL]
29 dB when [LAMP POWER] is set to [ECO]
Operating
environment
Operating
environment
temperature
*3
0 °C (32 °F) - 45 °C (113 °F) (Elevation: below 1 400 m (4 593'))
0 °C (32 °F) - 40 °C (104 °F) (Elevation: 1 400 m (4 593') ~ 2 700 m (8 858'))
Operating
environment
humidity
20 % - 80 % (No condensation)
Remote
control
Power supply
DC 3 V (AAA/R03/LR03 battery x 2)
Operating range Within approx.30 m (98'5") (when operated directly in front of signal receiver)
Weight
Weight
102 ] (3.6 ozs.) (including batteries)
Dimensions
Width: 48 mm (1-7/8"), Height: 145 mm (5-23/32"), Depth: 27 mm (1-1/16")
*1 Measurement, measuring conditions and method of notation all comply with ISO/IEC 21118:2012 international standards.
*2 Average value. Weight varies for each product.
*3 If the [PROJECTOR SETUP] menu → [LAMP POWER] is set to [NORMAL], [LAMP POWER] changes to [ECO] forcibly to protect the
projector when the operating environment temperature becomes 40 °C (104 °F) or higher (35 °C (95 °F) or higher when using the projector
at high altitudes).
Note
f
The model numbers of accessories and optional accessories are subject to change without prior notice.
8
PREFACE
<EZ57>
Chapter 7 Appendix — Specifications
ENGLISH - 143
r
Terminal
<RGB 1 IN> terminal
1 set, (BNC x 5 (RGB/YP
B
P
R
/YC
B
C
R
x 1))
RGB signal
0.7 V [p-p] 75 Ω (SYNC ON GREEN: 1.0 V [p-p] 75 Ω)
SYNC/HD
TTL high impedance, automatic positive/negative
polarity 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
Y/C signal
Y: 1.0 V [p-p], C: 0.286 V [p-p] 75 Ω
<RGB 2 IN> terminal
1 set high-density D-Sub 15 p (female)
RGB signal
RGB signal
0.7 V [p-p] 75 Ω (SYNC ON GREEN: 1.0 V [p-p] 75 Ω)
SYNC/HD
TTL high impedance, automatic positive/negative
polarity compatible
VD
TTL high impedance, automatic positive/negative
polarity compatible
(The SYNC/HD and VD terminals 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
<MONITOR OUT> terminal
1 set, high-density D-Sub 15 p (female)
RGB signal
RGB signal
0.7 V [p-p] 75 Ω (SYNC ON GREEN: 1.0 V [p-p] 75 Ω)
SYNC/HD
SYNC/HD
TTL high impedance, positive/negative polarity
VD
TTL high impedance, positive/negative polarity
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
<VIDEO IN> terminal
1 set, pin jack 1.0 V [p-p] 75 Ω
<HDMI 1 IN>/<HDMI 2 IN>
terminal
2 sets, HDMI 19 pin, HDCP compatible, Deep Color compatible
Audio signal
Audio signal
Linear PCM (Sampling frequency: 48 kHz/44.1 kHz/32 kHz)
<AUDIO IN 1>/<AUDIO IN 2>
terminal
2 sets, M3 stereo mini jack 0.5 V [rms], input impedance 22 kΩ or more
<AUDIO IN 3> terminal
1 set, pin jack x 2 (L-R) 0.5 V [rms], input impedance 22 kΩ or more
<VARIABLE AUDIO OUT>
terminal
1 set, M3 stereo mini jack (monitor output, stereo compatible)
0 V [rms] to 2.0 V [rms] (variable), output impedance 2.2 kΩ or less
<SERIAL IN> terminal
1 set, D-Sub 9 p, RS-232C compliant, for computer control
<REMOTE 1 IN> terminal
1 set, D-Sub 9 p, for external control
<REMOTE 2 IN> terminal
1 set, M3 stereo mini jack, for remote control (wired)
<LAN> terminal
1 set, RJ-45, for network connection, PJLink compatible, 10Base-T/100Base-TX
<WIRELESS> terminal
USB connector (type A) x 1, for the Wireless module (Model No.: ET-WML100) only
<DC OUT> terminal
USB connector (type A) x 1, for power supply only (DC 5 V, maximum 900 mA)
r
Applicable scanning frequency
Refer to “List of compatible signals” on the operating instructions for the types of video signals that can
be used with the projector.
For video signal
Horizontal : 15.73 kHz Vertical : 59.94 Hz, Horizontal : 15.63 kHz Vertical : 50 Hz
For Y/C signal
Horizontal : 15.73 kHz Vertical : 59.94 Hz, Horizontal : 15.63 kHz Vertical : 50 Hz
For RGB signal
f
Displayable resolution: 640 x 400 to 1 920 x 1 200
f
Dot clock frequency: 162 MHz or less
For YC
B
C
R
/YP
B
P
R
signal
f
Displayable resolution: 480i/576i to 1 920 x 1 080
f
Dot clock frequency: 148.5 MHz or less
f
The SYNC/HD and VD terminals do not support 3 value SYNC.
For HDMI signal
f
Displayable resolution for movie-based signals: 480i/576i
*1
to 1 920 x 1 080
Displayable resolution for still image signals: 640 x 400 to 1 920 x 1 200 (non-interlaced)
f
Dot clock frequency: 25 MHz - 162 MHz
*1 Pixel-Repetition signal (dot clock frequency 27.0 MHz) only
Click on the first or last page to see other PT-EZ57 (serv.man5) service manuals if exist.