Panasonic PT-AE700U User manual

©2004 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
PT-AE700U
PT-AE700E
LCD Projector
ORDER NO. VED0409357C0
D10

2
PT-AE700U / PT-AE700E

1 Safety Precautions 5
1.1. General Guidelines 5
1.2. Leakage Current Check 5
1.3. UV Precaution and UHM Lamp Precautions 5
2 Ext Option 6
2.1. Procedure to enter EXT OPTION 6
2.2. EXT OPTION Menu and Functions 6
2.3. Canceling EXT OPTION 6
3 Self-Check Mode 7
3.1. Procedure to enter the self-check mode 7
CONTENTS
Page Page
3
PT-AE700U / PT-AE700E

3.2. Self Check Display and Contents 7
3.3. Canceling the self-check mode 8
4 Service Mode 9
4.1. Procedure to enter the service mode 9
4.2. Canceling the service mode 9
5 Flicker Adjustment Mode 9
5.1. Procedure to enter the adjustment mode 9
5.2. Adjustment Display and Contents 9
5.3. Canceling the flicker adjustment mode 9
6 Disassembly Instructions 10
6.1. Printed Circuit Board and Main Parts Location 10
6.2. Removal of Upper Case 11
6.3. Removal of A-P.C.Board 11
6.4. Removal of S-P.C.Board 11
6.5. Removal of J-P.C.Board (PT-AE700E only) 11
6.6. Removal of B/Q-Module 12
6.7. Removal of P-Module 12
6.8. Removal of K-P.C.Board 13
6.9. Removal of Lamp Unit 13
6.10. Removal of Analysis Block and Projection Lens 13
6.11. Removal of LCD Block 14
6.12. Removal of Projection Lens 14
6.13. Replacement of LCD Panel 14
6.14. LCD Panel Discrimination 15
6.15. LCD Panel Combination 15
6.16. Replacement of Projection Polarizer 16
6.17. Replacement of Incidence Polarizer (R and B) 16
6.18. Replacement of Incidence Polarizer (G) 17
6.19. Replacement of PBS Array (Analysis Block) 17
6.20. Removal of Iris Unit 18
7 Measurement and Adjustments 19
7.1. Adjustment Procedure Flowchart 19
7.2. Cautions for Adjustment 19
7.3. Setting Before Adjustment 19
7.4. Convergence Adjustment 19
7.5. Lighting Area Adjustment 20
7.6. Software for Adjustment 22
7.7. Flicker Adjustment 24
7.8. Input Level Adjustment (RGB) 24
8 Troubleshooting 26
9 Interconnection Block Diagram 37
9.1. Interconnection Block Diagram (1/2) 37
9.2. Interconnection Block Diagram (2/2) 38
10 Block Diagram 39
10.1. Power Supply 39
10.2. Signal Processing (1/3) 40
10.3. Signal Processing (2/3) 41
10.4. Signal Processing (3/3) 42
11 Schematic Diagram 43
11.1. A-P.C.Board (1/6) 44
11.2. A-P.C.Board (2/6) 45
11.3. A-P.C.Board (3/6) 46
11.4. A-P.C.Board (4/6) 47
11.5. A-P.C.Board (5/6) 48
11.6. A-P.C.Board (6/6) 49
11.7. K-P.C.Board, S-P.C.Board, H-P.C.Board, J-P.C.Board 50
11.8. B-Module (1/2) 51
11.9. B-Module (2/2) 52
12 Circuit Boards 53
12.1. A-P.CBoard 53
12.2. J-P.C.Board/S-P.C.Board 54
13 Terminal guide of ICs and transistors 55
14 Exploded Views 56
15 Replacement Parts List 60
4
PT-AE700U / PT-AE700E

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.
· It is advisable to use an isolation transformer in the AC
power line before the service.
· 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 combinations 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.
Fig. 1
Table 1
Fig. 2
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 0.75 mA 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.
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.
· Because the high pressure lamp involves a risk of
explosion, never touch the lamp wire lead during the
service. (See Fig. 3)
Fig. 3
5
PT-AE700U / PT-AE700E

2 Ext Option
This projector has EXT OPTION in addition to standard on-screen menus.
· There are SELF CHECK, SERVICE MODE and FLICKER ADJ for service, etc.
2.1. Procedure to enter EXT OPTION
1.Press "MENU" button on the main unit or remote control unit to display "MENU" screen, then select "OPTION" and press
"ENTER" button.
2.Select "OSD" on "OPTION" menu and press "ENTER" button 3 seconds or longer.
MENU →OPTION →OSD
2.2. EXT OPTION Menu and Functions
· FREEZE MSG
Switching ON/OFF "FREEZE" on-screen display
· PIC.SHIFT
Switching ON/OFF the antipersistence function
− − −
− Shifts the picture slightly (by one dot) when every 60 minutes. (one dot shifting three times, one dot shifting three times in
reverse direction, and repeats them alternately.)
· RUNTIME PRT
Switching ON/OFF the shutdown when the operation time for the lamp unit is 2 000 hours or longer
· FAN CONTROL
Setting the cooling fan motor rotation speed
− − −
− Switching ON "FAN FULLMODE", the rotation level of the fan becomes high-speed rotation (fixed). Moreover, when "FAN
FULLMODE" is ON, changing "FAN CONTROL" in OPTION becomes impossible (setting FAN FULLMODE is given priority
more than FAN CONTROL).
· AUTOSETUP
Setting AUTO SETUP mode
− − −
− NORMAL: To set the normal mode (the dot clock is adjusted strictly)
− − −
− SPECIAL: To set the special mode (the dot clock is adjusted roughly)
* Do not change the initial setting (NORMAL).
· SELF CHECK
To enter the self-check mode
· SERVICE MODE
To enter the service mode
· FLICKER ADJ
To enter the flicker adjustment mode
2.3. Canceling EXT OPTION
Press "MENU" button on the main unit or remote control unit.
6
PT-AE700U / PT-AE700E

3 Self-Check Mode
This mode is used to narrow down the location of the failure.
3.1. Procedure to enter the self-check mode
Select "SELF CHECK" on "EXT OPTION" menu and press "ENTER" button on the main unit or remote control unit.
3.2. Self Check Display and Contents
7
PT-AE700U / PT-AE700E

3.3. Canceling the self-check mode
Press "MENU" button on the main unit or remote control unit.
8
PT-AE700U / PT-AE700E

4 Service Mode
This mode is used to display seven kinds of test patterns [Horizontal lines, Vertical lines, Dots, Crosshatch, White cross, Black
cross and White (No pattern)] in the four colors (White, Red, Green and Blue).
Note:
· On the service mode, displays above patterns by each color without test equipment such as PC or SG. Use the service
mode for simplified adjustments by your eyes and so on.
4.1. Procedure to enter the service mode
Select "SERVICE MODE" on "EXT OPTION" menu and press "ENTER" button on the main unit or remote control unit.
Note:
· In the service mode, pressing the up-arrow " " or down-arrow " " button allows the test pattern selection and the
left-arrow " " or right-arrow " " button the color selection (White / Red / Green / Blue).
4.2. Canceling the service mode
Press "MENU" button on the main unit or remote control unit.
5 Flicker Adjustment Mode
If replacing the optical parts (LCD Panel / LCD block) or A-P.C.Board of this projector, enter the flicker adjustment mode and
minimize the flicker.
5.1. Procedure to enter the adjustment mode
Select "FLICKER ADJ" on "EXT OPTION" menu and press "ENTER" button on the main unit or remote control unit.
Note:
"DESK setting (blue)" is displayed when entering the adjustment mode.
5.2. Adjustment Display and Contents
· Setting value is increased and decreased with the right-arrow " " and left-arrow " " buttons.
"": Decrease, " ": Increase
− − −
− Adjust the setting value to minimize the flicker on the screen.
− − −
− Execute the adjustment by 6 patterns below.
· The pattern (adjustment display) is switched with the up-arrow " " and down-arrow " " buttons.
"": Forward direction, " ": Reverse direction
− − −
− There are 6 patterns of "DESK setting (blue)", "DESK setting (red)", "DESK setting (green)", "CEILING setting (blue)",
"CEILING setting (red)" and "CEILING setting (green)".
− − −
− The setting value is saved into this projector when the pattern is switched.
5.3. Canceling the flicker adjustment mode
Press "MENU" button on the main unit or remote control unit.
Note:
When "MENU" button is pressed, the setting value at that time is saved into this projector and the adjustment mode is canceled.
9
PT-AE700U / PT-AE700E

6 Disassembly Instructions
Warning:
· Be sure to unplug the power cord from the power outlet before disassembling this projector.
Caution:
· While turning over a printed circuit board, be sure to put a insulating material under it to prevent a short circuit.
· Printed circuit boards and wires must not be pulled forcibly, but be handled carefully.
· Connectors also must be handled carefully.
· After repairing this projector, be sure to put back the wires and connectors to the original condition.
6.1. Printed Circuit Board and Main Parts Location
Electrical Parts
Optical Parts
10
PT-AE700U / PT-AE700E

6.2. Removal of Upper Case
1.Remove the cap of the lens shift lever.
2.Unscrew the nut in the shift lever.
Note:
· Turn clockwise the nut to unscrew.
3.Turn counterclockwise the shift lever and remove it.
4.Turn the projector upside down.
5.Unscrew the 7 screws.
6.Return the projector to the normal position.
7.Remove the upper case.
6.3. Removal of A-P.C.Board
1.Remove the upper case according to the section 6.2.
"Removal of Upper Case".
2.Unscrew the 3 screws and remove the connector cover.
3.Unscrew the 2 screws and remove the A-P.C.Board block.
4.Unscrew the 7 screws and remove the connector plate.
6.4. Removal of S-P.C.Board
1.Remove the upper case according to the section 6.2.
"Removal of Upper Case".
2.Unscrew the 2 screws and remove the S-P.C.Board.
6.5. Removal of J-P.C.Board (PT-
AE700E only)
1.Remove the upper case according to the section 6.2.
11
PT-AE700U / PT-AE700E

"Removal of Upper Case".
2.Unscrew the 3 screws and remove the connector cover.
3.Unscrew the 3 screws and remove the J-P.C.Board.
6.6. Removal of B/Q-Module
1.Remove the upper case according to the section 6.2.
"Removal of Upper Case".
2.Unscrew the 2 screws and remove the S-P.C.Board.
3.Unhook the hook section and remove the duct cover.
4.Unscrew the 1 screw and remove the ground fittings.
5.Unscrew the 1 screw and release the ballast block.
6.Unscrew the 2 screws and remove the power box with
power shield plate.
7.Unscrew the 2 screws and release the lamp unit terminal.
8.Disconnect the connector P2 and remove the ballast block.
9.While sliding the ballast grounding metal, unhook the hook
section and remove it.
10.Unhook the hook section of resin spacer and remove the
B/Q-Module.
6.7. Removal of P-Module
1.Remove the power box according to the steps 1 through 5
in the section 6.6. "Removal of B/Q-Module".
2.Unscrew the 2 screws and remove the P-Module.
12
PT-AE700U / PT-AE700E

6.8. Removal of K-P.C.Board
1.Remove the A-P.C.Board block according to the steps 1
through 3 in the section 6.3. "Removal of A-P.C.Board".
2.Unscrew the 2 screws and remove the K-P.C.Board block.
3.For PT-AE700E, unscrew the 2 screws and remove the J-
P.C.Board.
6.9. Removal of Lamp Unit
1.Turn the projector upside down.
2.Loosen the 2 screws until they idle and remove the lamp
unit cover.
3.Unscrew the 2 screws fixing the lamp unit and remove the
lamp unit.
6.10. Removal of Analysis Block
and Projection Lens
1.Remove the lamp unit according to the section 6.9.
"Removal of Lamp Unit".
2.Remove the A-P.C.Board block according to the steps 1
through 3 in the section 6.3. "Removal of A-P.C.Board".
3.Unscrew the 2 screws and release the lamp unit terminal.
4.Unscrew the 1 screw and remove the thermofuse
attachment.
5.Unscrew the 3 screws and remove the lamphouse.
13
PT-AE700U / PT-AE700E

6.Unscrew the 3 screws and remove the block of Analysis
Block, LCD Block and Projection Lens Block.
7.Unscrew the 2 screws and remove the LCD block.
8.Unscrew the 4 screws and remove the projection lens block
(with shift mechanism).
9.Unscrew the 3 screws and remove the LCD duct and PBS
fan.
6.11. Removal of LCD Block
1.Remove the A-P.C.Board block according to the steps 1
through 3 in the section 6.3. "Removal of A-P.C.Board".
2.Unscrew the 2 screws and remove the LCD block.
6.12. Removal of Projection Lens
1.Remove the projection lens block according to the steps 1
through 8 in the section 6.10. "Removal of Analysis Block
and Projection Lens".
2.Unscrew the 4 screws and separate the projection lens and
the shift mechanism.
6.13. Replacement of LCD Panel
· The procedure is described as an example of LCD panel
(B).
1.Remove the LCD block according to the section 6.11.
"Removal of LCD Block".
2.Cut the 4 LCD panel installation spindles at the position A
and remove the LCD panel.
3.Cut the 4 LCD panel installation spindles at the position B
and remove them.
Notes:
· Work carefully not to apply external force around the
spindle part by using a cutter, cutting nipper or the
like for cutting the spindle.
· Adjust the height after the spindle is cut to 1 mm or
less.
14
PT-AE700U / PT-AE700E

4.Attach the base plate with 4 screws.
5.Tighten the 2 screws temporarily just until new LCD panel
(with the panel attachment and panel adjuster) can be
shifted by your fingers.
6.Reassemble the projector in the reverse order of
disassembling, but leave the upper case and the screws
fixing the A-P.C.Board block as they are removed.
7.Adjust the convergence according to the section 7.4.
"Convergence Adjustment".
8.After the adjustment, while paying attention not to vary the
adjusting result, tighten the 2 screws (upper) fixing the
panel attachment temporarily with a hexagon head wrench.
Note:
· Prepare a hexagon head wrench processed short.
9.Remove the LCD block again.
10.Tighten the 3 screws fixing the panel attachment.
11.Adhere the shading sheet as it was.
12.Reassemble the projector as it was.
6.14. LCD Panel Discrimination
ID-tag seal color LCD panel
Red LCD panel (R)
Blue LCD panel (B)
(No seal) LCD panel (G)
· Since the ID-tag seal is pasted to the FPC of LCD Panl, (R),
(G) or (B) can be easily identified by the color of the seal.
· Finally, identify the panel color by the part number printed
on the FPC.
6.15. LCD Panel Combination
· Part number is printed on the FPC of LCD Panel.
· When replacing LCD Panel, use a component which has
the same part number as the original.
15
PT-AE700U / PT-AE700E

LCD
panel Combination 1 Combination 2
R L5BDAXQ00188
(L3D07H-55G01) L5BDAXQ00191 (L3D07H-56G01)
G L5BDAXQ00192
(L3D07H-56G01) L5BDAXQ00189 (L3D07H-55G01)
B L5BDAXQ00190
(L3D07H-55G01) L5BDAXQ00193 (L3D07H-56G01)
6.16. Replacement of Projection
Polarizer
1.Remove the LCD block according to the section 6.11.
"Removal of LCD Block".
2.Remove the projection polarizer which requires replacing.
(The projection polarizer is adhered with the adhesive
tape.)
Note:
· Be careful not to damage peripheral components
(prism, LCD panel, etc.).
· Use tweezers.
3.Install new projection polarizer.
a.Put adhesive tape on the projection polarizer.
b.Adhere the projection polarizer on the specified position.
Notes:
· Align the projection polarizer with the guides
(lower, side) of LCD block.
· Be careful not to touch the surface of projection
polarizer.
· Use tweezers.
c.Press the adhesive part and secure the projection
polarizer.
6.17. Replacement of Incidence
Polarizer (R and B)
1.Remove the A-P.C.Board block according to the steps 1
through 3 in the section 6.3. "Removal of A-P.C.Board".
2.Unscrew the 2 screws and release the lamp unit terminal.
3.Unscrew the 1 screw and remove the thermofuse
attachment.
4.Unscrew the 3 screws and remove the lamphouse.
5.Unscrew the 2 screws and remove the LCD block.
6.Unscrew the 2 screws and remove the analysis case
(upper) while expanding the hook of it outside.
Notes:
· Because the hook is damaged easily, be careful not
to expand it excessively.
· The incidence polarizer (G) is installed in the
analysis case (upper). Handle it with care.
16
PT-AE700U / PT-AE700E

7.Replace the incidence polarizer.
Note:
· Be careful not to touch the surface of incidence
polarizer.
6.18. Replacement of Incidence
Polarizer (G)
1.Remove the A-P.C.Board block according to the steps 1
through 3 in the section 6.3. "Removal of A-P.C.Board".
2.Mark positions of the incidence polarizer (G).
Note:
· Mark accurately as possible because the marks will
be used for resetting the incidence polarizer
position.
3.Unscrew the 1 screw and remove the incidence polarizer.
4.Attach a new incidence polarizer and align it with the mark.
5.Tighten the 1 screw polarizer with care not to move the
incidence polarizer position.
6.19. Replacement of PBS Array
(Analysis Block)
1.Remove the analysis case (upper) according to the steps 1
through 6 in the section 6.17. "Replacement of Incidence
Polarizer (R and B)".
Note:
· Because the hook is damaged easily, be careful not
to expand it excessively.
2.Remove the PBS array .
3.Install new PBS array.
Notes:
· Be careful not to mistake the direction (inside and
outside).
· Be careful not to touch the surface of PBS array.
17
PT-AE700U / PT-AE700E

6.20. Removal of Iris Unit
1.Remove the analysis Block according to the steps 1 through
7 in the section 6.10. "Removal of Analysis Block and
Projection Lens".
2.Unscrew the 2 screws and remove the analysis case
(upper) while expanding the hook of it outside.
Notes:
· Because the hook is damaged easily, be careful not
to expand it excessively.
· The incidence polarizer (G) is installed in the
analysis case (upper). Handle it with care.
3.Unscrew the 2 screws and remove the iris unit with interlock
switch.
4.Unscrew the 1 screw and remove the interlock switch.
18
PT-AE700U / PT-AE700E

7.2. Cautions for Adjustment
· Never turn off the MAIN POWER switch until every fan
completely stops.
· To maintain and ensure safety, always use the
designated components for replacement parts.
· If removing any clamps, lead wires or connectors,
always place them back in their proper locations.
· Be careful not to damage the lead wires or components
when using a soldering iron or similar tool.
7.3. Setting Before Adjustment
· Set up the projector to obtain the projection distance below.
· Turn the zoom ring of the projector to obtain the largest size
of the picture.
7.4. Convergence Adjustment
Execute this adjustment when replacing the LCD panel.
7.4.1. Tools to be used
Service Kit (Part No. TZSH07017): This kit is composed of 3
extension flexible cables and 3 connector extension cables.
Note:
· Consult your dealer or Authorized Service Center for the
service kit.
7.4.2. Preparation
1.Loosen 2 screws fixing the panel adjuster and 3 screws
fixing the panel attachment, then tighten the 5 screws
temporarily just until the LCD panel can be shifted by your
fingers.
Note:
· See figures in the section 6.13. "Replacement of
LCD Panel" for 2 screws fixing the panel adjuster
and 3 screws fixing the panel attachment.
2.Reassemble the projector in the reverse order of
disassembling, but leave the upper case and the screws
fixing the A-P.C.Board block as they are removed.
3.Connect the service kit (extension cables).
· Each flexible cable of LCD Panels (R/G/B) - Connectors
(A1/A2/A3) on A-P.C.Board
· Ballast block [Connector (Q3) on Q-Module] - Connector
(A4) on A-P.C.Board
· Intake fan connector - Connector (A15) on A-P.C.Board
· PBS fan connector - Connector (A18) on A-P.C.Board
4.Covering with an insulator (cloth or the like) to prevent a
short circuit, set the A-P.C.Board block on the main unit.
Note:
· Handle with care not to apply external force to
connecting parts which connect the main unit and A-
P.C.Board.
7 Measurement and Adjustments
7.1. Adjustment Procedure Flowchart
19
PT-AE700U / PT-AE700E

7.4.3. Adjustment Procedure
Prepare 2 pieces of thick black paper (23 mm × 100 mm) that
can be shaded.
· Cover and shade LCD panels with the paper except the
panel for adjustment.
7.4.3.1. When replacing single LCD panel
(R,GorB)
· The procedure is described as an example when LCD panel
(B) is replaced.
1.Display the green crosshatch pattern and adjust the lens
focus.
2.Display green and blue crosshatch patterns.
3.Adjust focus by shifting the panel adjuster for LCD panel (B)
back and forth, then tighten the 2 screws.
4.Adjust the LCD panel (B) position so that the vertical center
of blue crosshatch pattern is overlapped with the vertical
center of green crosshatch pattern.
5.Adjust the LCD panel (B) position so that the horizontal
center of blue crosshatch pattern is overlapped with the
horizontal center of green crosshatch pattern.
6.Correct the tilt of the blue crosshatch pattern by adjusting
the LCD panel (B) position.
7.Display green, red and blue crosshatch patterns and
confirm the convergence. If it is necessary, fine adjust the
convergence so that the red and/or blue crosshatch pattern
is overlapped with green one.
8.After the adjustment, reassemble the projector according to
the section 6.13. "Replacement of LCD Panel".
7.5. Lighting Area Adjustment
7.5.1. Tools to be used
Service Kit (Part No. TZSH07017): This kit is composed of 3
extension flexible cables and 3 connector extension cables.
Note:
· Consult your dealer or Authorized Service Center for the
service kit.
7.5.2. Preparation
1.Remove the upper case and the connector cover according
to the steps 1 through 2 in the section 6.3. "Removal of A-
P.C.Board".
2.Unscrew the 2 screws.
3.Connect the service kit (extension cables).
· Each flexible cable of LCD Panels (R/G/B) - Connectors
(A1/A2/A3) on A-P.C.Board
20
PT-AE700U / PT-AE700E