Panasonic PT-AE700U Manual de usuario

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PT-AE700U

PT-AE700E

LCD Projector

ORDER NO. VED0409357C0

D10

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

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

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

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.

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

PT-AE700U / PT-AE700E

3.3. Canceling the self-check mode

Press "MENU" button on the main unit or remote control unit.

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.

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

PT-AE700U / PT-AE700E

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