Panasonic PT-AE900U Manual de usuario

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PT-AE900U

PT-AE900E

LCD Projector

ORDER NO. VED0509367C0

D10

PT-AE900U / PT-AE900E

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-AE900U / PT-AE900E

3.2. Self Check Display and Contents 8

3.3. Canceling the self-check mode 9

4 Flicker Adjustment Mode 9

4.1. Procedure to enter the adjustment mode 9

4.2. Adjustment Display and Contents 9

4.3. Canceling the flicker adjustment mode 9

5 Using the SERIAL Connector 10

5.1. Connection 10

5.2. Pin Layout and Signal Names for SERIAL Connector 10

5.3. Communication Settings 10

5.4. Basic Format 11

5.5. Control / Query Commands 11

5.6. Communication Cable Specifications 13

5.7. Signal Selector Connecting Cable Specifications 13

6 Disassembly Instructions 14

6.1. Printed Circuit Board and Main Parts Location 14

6.2. Removal of Upper Case 15

6.3. Removal of A-P.C.Board 15

6.4. Removal of S-P.C.Board 15

6.5. Removal of J-P.C.Board 15

6.6. Removal of B/Q-Module 16

6.7. Removal of P-Module 16

6.8. Removal of K-P.C.Board 17

6.9. Removal of Lamp Unit 17

6.10. Removal of Analysis Block 18

6.11. Removal of LCD Block 18

6.12. Removal of Projection Lens 18

6.13. Replacement of LCD Panel 19

6.14. LCD Panel Discrimination 20

6.15. LCD Panel Combination 20

6.16. Replacement of Projection Polarizer 20

6.17. Replacement of Incidence Polarizer 21

6.18. Replacement of PBS Array (Analysis Block) 21

6.19. Removal of Iris Unit 22

7 Measurement and Adjustments 23

7.1. Adjustment Procedure Flowchart 23

7.2. Cautions for Adjustment 23

7.3. Setting Before Adjustment 23

7.4. Convergence Adjustment 23

7.5. Lighting Area Adjustment 24

7.6. Software for Adjustment 26

7.7. Flicker Adjustment 28

7.8. Input Level Adjustment (RGB) 28

7.9. 6130 Revision 29

8 Troubleshooting 30

9 Interconnection Block Diagram 39

9.1. Interconnection Block Diagram (1/2) 39

9.2. Interconnection Block Diagram (2/2) 40

10 Block Diagram 41

10.1. Power Supply 41

10.2. Signal Processing (1/3) 42

10.3. Signal Processing (2/3) 43

10.4. Signal Processing (3/3) 44

11 Schematic Diagram 45

11.1. A-P.C.Board (1/8) 46

11.2. A-P.C.Board (2/8) 47

11.3. A-P.C.Board (3/8) 48

11.4. A-P.C.Board (4/8) 49

11.5. A-P.C.Board (5/8) 50

11.6. A-P.C.Board (6/8) 51

11.7. A-P.C.Board (7/8) 52

11.8. A-P.C.Board (8/8) 53

11.9. K-P.C.Board 54

11.10. J-P.C.Board,S-P.C.Board, H-P.C.Board 55

11.11. B-Module (1/2) 56

11.12. B-Module (2/2) 57

12 Circuit Boards 59

12.1. A-P.CBoard 59

12.2. J-P.C.Board/S-P.C.Board 60

13 Terminal guide of ICs and transistors 61

14 Exploded Views 62

15 Replacement Parts List 66

PT-AE900U / PT-AE900E

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.

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-AE900U / PT-AE900E

2 Ext Option

This projector has EXT OPTION in addition to standard on-screen menus.

There are SELF CHECK and FLICKER ADJ for service, etc.

2.1. Procedure to enter EXT OPTION

1.When the projector is power ON, press "POWER" button on the main unit or remote control unit to display "POWER OFF"

confirmation screen.

2.Press the right-arrow " " button to select "CANCEL" in the "POWER OFF" confirmation screen.

3.On the main unit or remote control unit, press the buttons in order of up-arrow " ", down-arrow " ", up-arrow " ",

down-arrow " " and "ENTER".

(When the "ENTER" button is pressed, "EXT OPTION" menu is displayed.)

2.2. EXT OPTION Menu and Functions

FAN FULLMODE

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).

AUTO SETUP

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

FLICKER ADJ

To enter the flicker adjustment mode

525i SD

When non-standard signal of 525i/625i is inputted (AV amplifier, etc.), synchronization might be disordered according to

connected equipment. In this case, set 525i SD to ON.

525p OS

When 525p/625p signal is inputted, reflection noise (vertical striated beat) might be generated according to connected

equipment. In this case, set 525p OS to ON. However, the resolution decreases a little.

HPLL

When non-standard signal of VIDEO/S-VIDEO is inputted (VCR, VHD, etc.), horizontal synchronization might be disordered

according to connected equipment. In this case, set HPLL to OFF.

2.3. Canceling EXT OPTION

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

PT-AE900U / PT-AE900E

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.

PT-AE900U / PT-AE900E

3.2. Self Check Display and Contents

PT-AE900U / PT-AE900E

3.3. Canceling the self-check mode

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

4 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.

4.1. 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 (red)" is displayed when entering the adjustment mode.

4.2. 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 (red)", "DESK setting (blue)", "DESK setting (green)", "CEILING setting (red)",

"CEILING setting (blue)" and "CEILING setting (green)".

−

− −

− The setting value is saved into this projector when the pattern is switched.

4.3. 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-AE900U / PT-AE900E

Pin No Signal Name Contents

3RXD Receive data

4GND Ground

5TXD Transmit data

1---

2--- Connected internally

6---

7--- NC

8--- NC

5 Using the SERIAL Connector

The serial connector which is on the back connector panel of the projector conforms to RS-232C standard. This projector can

be controlled by a PC which is connected as shown in "5.1. Connection".

For controlling this projector by a PC, requires communication software on the market, and inputs control commands according

to communication settings and basic format below.

5.1. Connection

Note:

Use a proper communication cable which is suitable for the PC to connect the optional serial adapter, which is connected with

SERIAL connector of this projector, and the PC.

5.2. Pin Layout and Signal Names for SERIAL Connector

5.3. Communication Settings

Signal Level Contents Description

Sync. method Asynchronous Synchronizes every 1 character (8 bits)

Baud rate Conforms to 9 600 bps Data transfer speed

Parity RS-232C None Error detection method

Character length standard 8bits Number of bit composing 1 character

Stop bit 1bit Uses stop bit when asynchronous method

X parameter Not used

S parameter Not used

PT-AE900U / PT-AE900E

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