JVC DLA-HX2E, DLA-HX2U Service Manual

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Page 1

SERVICE MANUAL

D-ILA PROJECTOR

PA02020051

DLA-HX2U, DLA-HX2E

OPERATE

PC VIDEO

DIGITAL

V-KEYSTONE H-KEYSTONE

SCREEN

ZOOM

FREEZE

VOLUME

FOCUS

QUICK ALIGN.

MENU EXIT

ENTER

PRESET HIDE

Regarding service information other than these sections, refer to the service manual No. PA018 (DLA-HX1U, DLA-HX1E). Also, be sure to note important safety precautions provided in the service manual.

TABLE OF CONTENTS

1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16

No.PA020

2005/1

Page 2

SPECIFICATION

GENERAL

Type Dimensions

(W × H ×D)

Mass

Power requirements

Power Consumption

Operating temperature Operating humidity Storage temperature

Projection angle (Adjustable Foot)

Remote control unit RM-MSX21G

operation

Accessories Remote control unit (RM-MSX21) × 1

OPTIC

Projection system D-ILA device

Projection lens 1.3times (2.1 : 1-2.6 : 1) manual ZOOM

Screen size 37" (94.3cm) [tele : min]-275" (698.5cm)

Projection distance Tele side :

Light lamp BHL5006-S

ELECTRIC

Color system NTSC3.58 / NTSC4.43 / PAL / SECAM

Resolution 1400 × 788 dots (during RGB input)

Scanning frequency Horizontal : 15kHz ~ 120kHz

Keystone distortion correction

D-ILA PROJECTOR

Approx. 298 mm × 134 mm × 360 mm (Approx. 11-7/10" × 5-3/10" × 14-1/5")

(Excluding handle, lens and protrusions)

Approx. 6.0kg (Approx.13.2lbs.)

AC 100-240V 50Hz/60Hz

3.4A (100VAC)~1.42A (240VAC)

+5°~+35°[41°F~95°F]

20%~80% (no-condensation)

-10°C~+60°C[14°F~140°F] Vertical : max. +6° upper

Distance : 7m

Angle: Horizontal =±30° Vertical =±20°

Mass

100g (includes dry cell battery)

Dry cell battery (size : AA/R6) × 2 AV connection cable (2m) × 1

SCREEN TRIGGER terminal cable (1.8m)

Power code × 1

D-ILA(reflective-type active-matrix)system

0.64-inch(1.64cm) measured diagonally

[H:1400 pixels × V:788 pixels] × 3

< Total : 3,309,600 pixels >

lens [50% fix shift]

< recommended > *measured diagonally with aspect 16:9

approx 2m (6.56ft)-11.5m(37.82ft) wide side : approx 1.6m (5.26ft)-12m(39.37ft)

UHP(Ultra High-Pressue mercury) lamp

(Automatic switching / Manual switching)

1000TV line (Horizontal resolution aspect ratio 4:3, during video input)

Vertical : 24Hz,25Hz,30Hz,50Hz~120Hz

Top-bottom tilt:

Horizontal=about 30°, Vertical=about 10°

× 1

Audio power output 1w(8Ω) : monaural Speakers 4cm[1-5/8"] 8Ω round type × 1

Fuse QMF51D2-6R3J1(6.3A)

OUTPUT TERMINAL

SCREEN TRIGGER 12V, 100mA DC Power Jack × 1

INPUT CONNECTORS

VIDEO IN VIDEO signal

Y / C Luminance/Chroma separate video

signal mini DIN 4-pin × 1

1.0V(p-p) 75Ω

0.286V(p-p)(burst) 75Ω [NTSC]

0.3V(p-p)(burst) 75Ω [PAL]

VIDEO Composite video signal

RCA, jack × 1

1.0V(p-p) 75Ω sync.

PC1 Analog RGB signal

D-sub 15-pin × 1

PC2 Component (B-Y,R-Y,Y) signal /

DTV (Pb,Pr,Y) format signal / Analog RGB signal / External sync. signal

BNC connector × 5

·Cb(B-Y)·Cr(R-Y) Component (Color Difference signal)

1.0V(p-p) 75Ω negative sync.

0.7V(p-p) 75Ω negative sync

Y . Pb . Pr DTV format signal

[480i / 480p / 720p / 1080i]

1.0V(p-p) 75Ω negative sync. [480i / 480p]

1.0V(p-p) 75Ω 3-value sync [720p / 1080i]

Pb / Pr

PC3 Digital RGB signal

AUDIO AUDIO signal

CONTROL Using external computer control

RS-232C RS-232C protocol

REMOTE For connecting an external sensor

0.7V(p-p) 75Ω

DVI-D 24-pin × 1

±0.5V(p-p) 50 Ω

±0.5V(p-p) 50 Ω (Include H/V sync)

CLK

±0.5V(p-p) 50 Ω

RCA pin jack × 1

0.5V(rms), high impedance

D-sub 9-pin × 2 (in / out)

Baud rate : 9600bps / 19200bps Data length : 8 bits (no parity) Stop bit : 1 bit Flow control : none

Ø3.5mm stereo mini-jack × 1

1-2 (No.PA020)

Page 3

SECTION 1

PRECAUTION

Please refer to "DLA-HX1U, DLA-HX1E (No.PA018)" about this section.

SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

Please refer to "DLA-HX1U,DLA-HX1E (No.PA018)" about this section except a written item.

2.1 SERVICE POLICY

The following service policy is being utilized.

Item

MAIN PWB ASS'Y SXZ-1006A SXZ-1009A Replace parts

DD SUB PWB ASS'Y SXZ-3002A ← Replace parts POWER PWB ASS'Y SXZ-9001A ← Replace parts

TERMINAL PWB ASS'Y SXZ-0J003A SXZ-0J003B Replace parts

IR PWB ASS'Y SXZ-0R001A ← Replace parts CONT. & 3.3V PWB ASS'Y SXG-0P002A ← Replace parts

OPTICAL BLOCK ASS'Y HX1OP-S HX2OP-S Replace (module)

LAMP BALLAST UNIT QAL0435-002 ← Replace (module) LAMP UNIT BHL5006-S ← Replace (module)

NOTE:

Mark ← is same as left.

DLA-HX1U, DLA-HX1E DLA-HX2U, DLA-HX2E

Parts number Parts number

Service method

(No.PA020)1-3

Page 4

2.2 SERVICE MENU

2.2.1 Setting items

Item Initial value

Adjustment

range

Description

Software version Software version ------ ------ Information of PROGRAM -----Cont. / Bright Contrast

R / G / B / Main Brightness

R / G / B

[Service adjust. value]

0 ~ 255 Main contrast adjustment. Common

0 ~ 255 Main brightness adjustment. Common

Cb / Cr 31 0 ~ 31 Component signal adjustment. AV system Option VGA mode* 480p [Select 2 items] Sets processing for VGA signal input (H : 31.5 kHz / V : 60 Hz).

[480p] : Process as 480p (video system) signal [VGA] : Process as VGA (PC system) signal

Back color Blue [Select 2 items] "Sets no signal background color to blue or black.

[Blue] : Blue color [Black] :Black color"

Auto shutdown ON [Select 2 items] If POWER OFF is selected, no warning will be displayed on and after 1900

hours of the lamp operating time. However, POWER ON is also available after 2000 hours of the lamp operating time.

Over scan* Over scan [Select 2 items] Sets scan size for video signal.

[Normal] : Under scan (100%) [Over scan] : Normal (95%) Test pattern ------ [Select 5 items] Press [ENTER] then Test pattern appear. (Refer to following Fig.1) Common Sharpness 0 -3~3 Main sharpness adjustment. Common PC2 set up 7.5IRE [Select 2 items] Setting of [0IRE] [7.5IRE] Common All reset ------ ------ Press [ENTER] then all reset. Common Color temp Color temp User Select 3 items Setting of [6500] [Normal] [User] Common R 0 -255~0 Setting color temp of red Common G 0 -255~0 Setting color temp of green Common B 0 -255~0 Setting color temp of blue Common Resolution Horizontal resolution Vertical resolution Tracking Position of Horizontal display Position of Vertical display

Depending on signals Depending on signals Depending on signals Depending on signals Depending on signals

← Set the horizontal resolution ← Set the vertical resolution ← Same as for the tacking in the User Menu ← Same as for the display of the horizontal position in the User Menu ← Same as for the display of the vertical position in the User Menu

Setting

object

Each signal (VGA)

Common

Each signal (AV system)

Analog PC signal Analog PC signal Analog PC signal Analog PC signal Analog PC signal

∗ : When these items are set, the service menu is automatically closed.

Notice on items in relation to resolution

(1) These functions may sometimes not project some types of signals properly. (2) These functions cannot set resolution of signals that are input from DVI terminal and video signals (displayed in video menu). (3) Method of changing the resolution (See the next page.)

Test patter Screen

Software version

Cont. / Bright

Option

Color temp

SERVICE MENU Screen

VGA mode 480p VGA

ack color Bl ue Black

Auto shutdown ON OFF

Over scan Normal Over sca n

Test pattern

harp ness 0

PC2 set up 0IRE 7.5IRE

ENTER

1-4 (No.PA020)

All reset

ENTER

Red Green Blue

(When the key is pressed, the screen is changed one after the other as shown in the above.)

cross-hatch Gray scale

Page 5

SECTION 3

DISASSEMBLY

Please refer to "DLA-HX1U, DLA-HX1E (No.PA018)" about this section.

SECTION 4

ADJUSTMENT

4.1 BEFORE STARTING ADJUSTMENT

(1) Adjustment items utilize a personal computer.

This instruction is for HX2 PSA CONTROL PROGRAM

Program. Use the latest version program. (2) Data back up is required before adjustments. (3) Allow the equipment and test instruments adequate time

(at least 30 minutes) to warm-up. (4) Confirm the set is properly connected to the specified AC

power source. (5) Use care not to disturb internal controls and parts not spe-

cifically mentioned. (6) Unless specifically mentioned in the "ADJUSTMENT PRO-

CEDURE" steps, do not change any data.

4.2 INSTRUMENTS AND TOOLS

• Oscilloscope

• PAL signal generator : composite output, Y/C output

Gray scale : 0IRE-100IRE Color bar : include 75% white peak

• NTSC signal generator : composite output [Y / CB / CR] Flat (raster) pattern : 25%

• HDTV signal generator : composite output [Y / PB / PR] Flat (raster) pattern : 25%

• PC signal generator Signal : VGA / SXGA Gray scale : 0.7V (p-p) [include 100% White / 0% Black]

∗Show at least 2 images on 1 screen (Upper scale and Lower

scale must be reversed)

Cross-hatch Flat (raster) pattern : 100%, 93%, 13%, 0%

• Light meter [for example: Minolta T-10]

• Color-meter [CL-200]

• Remote control unit [RM-MSX21G]

• Personal computer

Operating system Windows 98 ME 2000 XP

Memory More than 16 Mbytes

Hard disk free space More than 5 Mbytes

RS-232C interface At least 1 port

Display resolution Minimum : 800 × 600 pixels

Recommended : 1024 × 768 pixels or better

Display colors Minimum : 8 bits/pixel

Recommended : 16 bits/pixel or better

Input devices Keyboard and mouse

• Adjustment software : HX2 PSA CONTROL PROGRAM

• RS-232C 9pin NULL-MODEM (cross) cable

• Photoelectric conversion device (one of these)

Light meter [Minolta T-10] A-out (Analog output) Photoelectric conversion device (for example: HAMAMAT-

SU PHOTONICS S1226-8BK)

Phototransistor or CdS photoconductor with amplifier

• Color filters

G color filter (ex. MELLES GRIOT 03 FIV 044) R color filter (ex. MELLES GRIOT 03 FIB 014) B color filter (ex. MELLES GRIOT 03 FIV 028)

• Screen

• Darkroom (illumination less than 0.03 lx)

(No.PA020)1-5

Page 6

4.3 REQUIRED ADJUSTMENTS BY REPLACING COMPONENTS

The following adjustment procedure is required after replacing PWB ASS'Ys, LAMP BALLAST UNIT and OPTICAL BLOCK. Items noted as "Check" means check the condition, then adjust if required.

4.3.1 Component required adjustment at replacing

Adjustment items MAIN TERMINAL DD SUB POWER

1. D-ILA COMMON DC Check Required Check Check Required

2. GAMMA (GRADATION / WHITE BALANCE) Check Required Check Check Required

3. GAMMA (D65) Check Required Check Check Required

4. SHADING (UNIFORMITY) Check Check Check Required

5. 8 - PHASE VERTICAL BARS Check Required Required

6. A-D CONVERTER APERTURE Required

7. COLOR PROFILE Check Required

8. GHOST Check Required

9. FRAME Check Required

4.3.2 List of required instruments and tools (except those related to the personal computer)

LAMP

BALLAST

OPTICAL

BLOCK

Adjustment items

1. D-ILA COMMON DC Required (Required)

2. GAMMA (

3. GAMMA (D65) Required Required Required Required

4. SHADING (UNIFORMITY) Required Required Required

5. 8 - PHASE VERTICAL BARS Required Required

6. A-D CONVERTER APERTURE Required Required Required

7. COLOR PROFILE Required Required

8. GHOST Required

9. FRAME Required

4.3.3 Data backup

Before replacing major components such as PWB ASS'Ys, UNIT or BLOCK, be sure to backup the data contained in the set. In absence of data backup, complete adjustment becomes necessary.

z PREPARATION

(1) Make sure that Version.ini file is located in the same folder of the PSA controller. (2) Remove all signal cables except for the interface cable to the PC from the main body.

z DATA SAVE

(1) Enter Stand-by mode and open the PSA controller on the PC. (2) Click [System] in the main menu. When the pull down menu is displayed, click [Backup ROM Data] and open ROM Data Up

(3) Tick [Main EEPROM] and [Sub EEPROM] in [Target EEPROM].

(4) When [Down Load] is selected, data will be downloaded in the order of EEPROM → EEPROM2 → SUB EEPROM.

(5) When the download has completed, Save Data with File Name dialog box will be displayed. Then save the data with a file

z DATA ENTRY

(1) Enter Stand-by mode and open the PSA controller on the PC. (2) Click [System] in the main menu. When the pull down menu is displayed, click [Backup ROM Data] and open ROM Data Up

(3) Tick [Main EEPROM] in [Target EEPROM]. (4) When [Down Load] is selected, Open dialog box will be displayed. Then select a file which you want to upload.

(5) The data will be downloaded in the order of EEPROM → EEPROM2 → SUB EEPROM.

GRADATION / WHITE BALANCE

Load/Down Load.

name.

Load/Down Load.

OSCILLOSCOPE

) Required Required Required Required

PC signal

generator

NTSC

signal

generator

HDTV

signal

generator

Light meter Color filter Color meter

1-6 (No.PA020)

Page 7

4.4 ADJUSTMENT PROCEDURE

4.4.1 D-ILA COMMON DC adjustment

Instruments REPLACING COMPONENTS

Test point

Adjustment menu < DDIC >

Preparation Running the unit enough before adjustment

Note :

Large deviation of this adjustment can cause image flicker. Residual image or element burn can occur when out of adjustment.

 WATCHING ADJUSTMENT

(1) Open Menu [DDIC] [Flat Field / DD Ctrl], and set [Dual Scan] to [Off]. (2) Set [R Mute], [G Mute] and [B Mute] to [On]. (3) Set [R] Flat Field level to 512, and set [G] and [B] Flat Field level to 0. (4) Open Menu [DDIC] [EVR], then adjust [R Com] to minimize the flickers with watching. If there is unevenness with the flickers,

try to manage the balance of flickers by reducing the high-visibility portions of the flickers as much as possible.

Note :

Do not adjust under the lamp have flickers. (5) Open Menu [DDIC] [Flat Field / DD Ctrl], and set block [R] Flat Field level to 0. (6) Set [G] Flat Field level to 512. (7) Open Menu [DDIC] [EVR], then adjust [G Com] to minimize the flickers with watching. If there is unevenness with the flickers,

try to manage the balance of flickers by reducing the high-visibility portions of the flickers as much as possible. (8) Open Menu [DDIC] [Flat Field / DD Ctrl], and set block [G] Flat Field level to 0. (9) Set [B] Flat Field level to 512.

(10) Open Menu [DDIC] [EVR], then adjust [B Com] to minimize the flickers with watching. If there is unevenness with the flickers,

try to manage the balance of flickers by reducing the high-visibility portions of the flickers as much as possible.

(11) Open Menu [DDIC] [Flat Field / DD Ctrl], and set block [B] Flat Field level to 0. (12) When all of the adjustments are finished, set [R Mute] [G Mute] [B Mute] to [Off]. (13) Set [Dual Scan] to [On].

z DD SUB PWB ASS'Y z OPTICAL BLOCK

(No.PA020)1-7

Page 8

4.4.2 GAMMA (High) adjustment

Instruments SVGA signal generator [Gray scale]

Light-meter Color-meter (CL-200) Color filter (R / G / B)

Test point

Adjustment menu < DDIC > < Gamma >

Preparation Completed D-ILA COMMON DC adjustment

 PREPARATION

(1) Set to ZOOM at Wide end, if a zoom lens is installed. (2) Measure the lightness in room with a calibrated light-meter and set the lightness to below 0.03lx. (3) Set the light-meter on the center of image.

(The distance from the projection lens to the light-meter is approximate 30cm, then don't move them.) (4) Open menu [Gamma] and click [GAMMA#1] then click [GAMMA#2]. (5) Open Menu [Gamma] and click [Default], then make sure that the Gamma line is linear. After a check, click the [Transmit] and

transmit data. (6) Open Menu [DDIC] and set [LUMDAT] to [Off]. (7) Open Menu [DDIC] [Flat Field / DD Ctrl], and set [R Mute], [G Mute] and [B Mute] to [On]. (8) Allow the unit adequate time (more than 10 minutes) to warm-up. (9) After installing the top cover, adjust the unit.

(10) Set OSD Color Temp to High.

 OFFSET GAIN ADJUSTMENT

(1) Set the G color filter in front of the light-meter, and measure the luminance of the center of the screen. (2) Open [DDIC] [EVR] menu and set [R OFFSET] and [B OFFSET] to 255. (Record the data before adjustment. In the Menu, the

OFFSET adjusted color should be kept in adjustment ready state. (3) Open Menu [DDIC] [Flat Field / DD Ctrl] and set [R], [G] and [B] Flat Field level to 0 similarly. (4) Open Menu [DDIC] [EVR] and set [G OFFSET] to 255, then record the illumination intensity (the lowest illumination intensity)

at this time. (5) Open Menu [DDIC] [Flat Field / DD Ctrl], and set [G] Flat Field level to 1023. (6) Open Menu [DDIC] [EVR], and adjust [G OFFSET] so that the illumination intensity becomes the highest. Record the illumi-

nation intensity (the highest illumination intensity) at this time. (7) The target of the 0 IRE adjustments should be the higher illumination intensity between the value 1 (1.05 times of the lowest

illumination intensity) and the value 2 (the highest illumination intensity × 0.95 / 1000).

(8) Open Menu [DDIC] [Flat Field / DD Ctrl], and set the Flat Field level of [G] to 64. Under this condition, open Menu [DDIC] [EVR]

and adjust [G OFFSET] so that the illumination intensity falls within the target value of the 0 IRE adjustments in 7) above. (9) Open Menu [DDIC] [Flat Field / DD Ctrl],and set the Flat Field level of [G] to 960. At this time, click [Gain/Setup] of [Gain] and

adjust the illumination intensity with the cursor so that it becomes 95% of the highest illumination intensity.

(10) Repeat the adjustment so that the requirements in step 8) and 9) are met together. (11) Adjust [R], [B] in the same way with [R], [B] color filter. (12) Open Menu [DDIC] [Flat Field / DD Ctrl], and set the Flat Field level of [R], [G] and [B] to 960, respectively. Then measure the

uv value using a color-meter. If the uv value exceeds +0.025, open [Gain/Setup] and lower the [Gain] value so that the

uv value falls within +0.025. In case where the uv value is less than +0.025, no adjustment is required. (By clicking [ALL],

adjust the eight phases together.

 GAMMA & COMPUTATION OF ADJUSTMENT TARGET LUMINANCE

(1) Open Menu [Gamma] and set the control point to [VGP]. (2) Put [G] color filter in front of the light-meter and measure the illumination intensity at the center of the screen. (3) Open Menu [DDIC] [Flat Field / DD Ctrl], and adjust the Flat field level of [G] to 960, [R] and [B] to 0. Then measure the 100

IRE illumination intensity of [G]. (4) Based on the calculating table for target illumination intensity and the measurement results obtained in 3) above, calculate the

target illumination intensity of the control points 14-2. (5) By adjusting the Flat Field level of each control point, adjust the illumination intensity of the screen so that it falls within the

values calculated in accordance with the calculating table. (6) If the Gamma curve for the adjusting points 2 and 3 are found irregular in form, or the target lightness cannot be set, adjust

the illumination intensity so that visually smoothed curves are obtained.

REPLACING COMPONENTS

z DD SUB PWB ASS'Y z OPTICAL BLOCK

1-8 (No.PA020)

Page 9

< ADJUSTMENT TARGET ILLUMINATION TABLE >

Control point FLAT FIELD ADJUSTMENT TARGET

coefficient

14 896 0.850 92.86

13 800 0.649 82.14

12 704 0.477 71.43

11 608 0.334 60.71

10 512 0.218 50.00

9 416 0.128 39.29

8 320 0.064 28.57

7 256 0.034 21.43

6 224 0.023 17.86

5 192 0.0151 14.29

4 160 0.0096 10.71

3 128 0.0056 7.14

2 96 0.00280 3.57

< The computation type >

• ADJUSTMENT TARGET ILLUMINANCE = 100 IRE ILLUMINANCE × ADJUSTMENT TARGET coefficient

• 0 IRE ILLUMINANCE = MAXIMUM ILLUMINANCE × 0.95 / 1000 or 1.05 times of the lowest illumination intensity

 R and B GAMMA ADJUSTMENT

(1) Set the color-meter at the center of the screen. (2) Open Menu [DDIC] [Flat Field / DD Ctrl], then set [R], [G] and [B] Flat Field level to 960, respectively. Then record the points

of chromaticity (X, Y) at this time.

(3) Open Menu [DDIC] [Flat Field / DD Ctrl] and adjust [R], [G] and [B] Flat Field level to the value as shown in the control point

14 in the calculating table for target illumination intensity. (4) Open Menu [Gamma]. Then click [Option] at the lower right of the Gamma screen to display the sub-screen. (5) Then adjust the gamma adjustment point 14 of [R] and [B] so that the points of chromaticity become the values measured in

2) above. (In case where you choose the Flat Field level of [R] and [B] in the sub-screen, click [R] and [B] at the higher right

on the screen, respectively.) (6) Adjust the control point 13~2 like above 5). (7) If the gamma at the control points 2 and 3 show discontinuous curve or the target points of chromaticity cannot be obtained,

adjust the curve as if it looks like a smooth curve visibly. (8) Repeat the adjustment until all of the control points obtain the requirements together.

SIGNAL LEVEL

(No.PA020)1-9

Page 10

4.4.3 GAMMA (D65) adjustment

Instruments Personal Computer

Color-meter (CL-200) PSA Software for HX2

Test point

Adjustment menu < DDIC > < Gamma >

Preparation Completed GAMMA(High) adjustment

 PREPARATION

(1) Put the color-meter (CL-200) 30 cm away from the lens end, keeping it in the screen center. (2) The GAMMA High adjustment must be completed in advance. (3) Set the OSD Color Temp to D65 (Gamma table 1).

 100IRE D65 adjustment

(1) Copy(Ctrl+C) R, G, and B curves in Gamma Table 2, paste(Ctrl+V) them to Gamma Table 1, and then send the updated Table

(2) Set DDIC RGB FLAT FIELD to 960.

Set the color temperature as follows: X=0.3127 ± 0.001, Y=0.329 ± 0.001. [1] If the X value is larger than 0.3127, adjust the value to fall within 0.3127 ± 0.001 at R, 15 point. Do not move B in this case. [2] If the X value is smaller than 0.3127, adjust the value to fall within 0.3127 ± 0.001 at B, 15 point. Do not move R in this case. Adjust G, 15 point in order that the Y value falls within 0.329 ± 0.001.

(When attempting to adjust G and B, first adjust the value for B to X0.3127 and then for G to Y0.329) (When attempting to adjust G and R, first adjust the value for G to Y0.329B and then for R to X0.3127) Repeat the above procedures until the following results are obtained. X=0.3127 ± 0.001, Y=0.329 ± 0.001

 D65 R, G, B Interim Gamma Adjustment

(1) When item (2) under 100IRE D65 adjustment has been performed using the procedure [1], adjust the Gamma values, without

moving the B Gamma curve, for the points 2 to 14 for G and R to the following values: X=0.3127 ± 0.001, Y=0.329 ± 0.001. When item (2) under 100IRE D65 adjustment has been performed using the procedure [2], adjust the Gamma values, without moving the R Gamma curve, for the points 2 to 14 for G and B to the following values: X=0.3127 ± 0.001, Y=0.329 ± 0.001.

 D65 FLAT FIELD 1023 Adjustment

(1) Set FLAT FIELD to 1023. (2) Set the respective Gamma Y Position values of R, G and B to the same value as that of FLAT FIELD 960 for R, G and B.

REPLACING COMPONENTS

z DD SUB PWB ASS'Y z OPTICAL BLOCK

1-10 (No.PA020)

Page 11

4.4.4 SHADING adjustment

Instruments SVGA signal generator

Light-meter

Test point

Adjustment menu < DDIC > < Area Shading >

Preparation Completed GAMMA adjustment

REPLACING COMPONENTS

z DD SUB PWB ASS'Y z OPTICAL BLOCK

 PREPARATION

(1) When the reverse shading function is used, open Menu

[DDIC] [Flat Field / DD Ctrl], and set [Left side Right] and

[Up Side Down] to [Off]. (2) Open Menu [Area Shading] and, after clicking [LUM]. Set

each [R], [G] and [B] to [Default] respectively, then click

[Transmit]. (3) Click [DYN] or [STC] and set [R], [G] and [B] to [Default]

respectively in the same way, then click [Transmit].

 SHADING ADJUSTMENT

(1) Open Menu [DDIC] [Flat Field / DD Ctrl], and set [R

Mute], [G Mute] and [B Mute] to [On]. (2) Set [R], [G] and [B] Flat Field level to 204, respectively. (3) Open Menu [Area Shading] and click [STC]. Then adjust

the screen with the slide bar for adjustment level setting

so that the screen is evenly colored. (4) Open Menu [DDIC] [Flat Field / DD Ctrl] and set [R], [G]

and [B] Flat Field level to 614, respectively. (5) Open Menu [Area Shading] and click [DYN]. Then adjust

the screen with the slide bar for adjustment level setting

so that the screen is evenly colored. (6) Open Menu [DDIC], and set [DYNDAT] [STCDAT] to

[Off]. (7) Open Menu [Flat Field / DD Ctrl] and set [R] Flat Field

level to 204, [G] and [B] Flat Field level to 0, respectively.

Record the brightness of the screen at this time (8) Set [R] Flat Field to 614 and record the brightness of the

screen at this time. (9) Return [DYNDAT] and [STCDAT] to [On].

(10) Open Menu [EVR] and adjust [R OFFSET] so that the

brightness of the screen become the same value as

those of the recorded value.

(11) Open Menu [DDIC] [Gain/Setup] and click [Gain]. Adjust

[DDIC] [GAIN] so that the brightness of the screen at the

[R] Flat Field level of 614 become the same value re-

corded in 8) above.

(12) In the same manner as for the above steps, also adjust

[G] and [B] Flat Field level.

(13) Adjust [LUM], if necessary. Keep the Flat Field level at

1023 at the center of the screen as much as you can.

(14) After adjustment, transfer the data to the reverse shad-

ing adjustment memory by clicking [Copy Shading Data

to Reverse Shading Data] on the bottom of the Area

Shading screen. At this time, open [Shading] on [Config-

uration] tool bar and set the values according to the table

on the right side so as to compensate the vertical reverse

shading gradient.

∗If necessary, adjust Up Side Down position. When adjusting

the Up Side Down position, hang the unit from the ceiling. Open Menu [DDIC] [Flat Field DD/Ctrl] and set [Left Side Right] and [Up Side Down] to [On]. For the adjustment, follow the same manner as for the steps 1)~14) above.

LUM DYN STC Vcom

R G B

button

Default

button

<Area Shading> Menu

[Offset] : Presetting

[Copy Shading Data to Reverse Shading Data] : Revers shading adjustment memory setting

[Cursor size] : Adjustment area setting

[Slide bar] : Adjustment level setting

STC Shading DYN Shading

Red 63 0.1

Green 63 0.1

Blue 63 0.1

< Compensate the vertical reverse shading gradient >

(No.PA020)1-11

Page 12

4.4.5 8-PHASE VERTICAL BARS adjustment

Instruments Oscilloscope

Light-meter (Analog output terminal)

Test point

REPLACING COMPONENTS

z OPTICAL BLOCK z DD SUB PWB ASS'Y

Adjustment menu < DDIC >

Preparation Completed GAMMA adjustment

 DC SETUP ADJUSTMENT

[ Method of signal waveform observation ]

(1) Open Menu [DDIC] [EVR] and save the data at [EVR R OFFSET], then set the value to 255. Turn [DCS DAT] on the right

of [EVR] to [ON]. (2) Open Menu [Flat Field / DD Ctrl] and, after turning [R MUTE] to [ON], set [R] Flat Field level to zero. (3) Connect an oscilloscope to the TEST PIN (See the table given below) on the DD SUB PWB, observe the DC level of the 0-

PHASE signal through seven phase signal. Then record the target value for adjustment which shall be an approximate in-

termediate value between the maximum and minimum of the DC level. (4) Open Menu [DDIC] [Gain/Setup] and click [DC Setup]. Observe the DC level of the 0-PHASE signal and adjust [DC Setup]

for the 0-PHASE of [DDIC] [Gain/Setup] so that the DC level of the 0-PHASE signal falls within the target value recorded in

3) above.

Note :

Click [Separate A and B], then adjust [A-line] and [B-line], respectively. When the A-line is made larger, the DC level increases. On the other hand, when the B-line is made larger, the DC level decreases. Either A-line or B-line or both should

be 0. (5) In the same manner as for above, adjust the 1-PHASE to 7-PHASE. (6) Return [EVR] [R OFFSET] to its original value recorded in 1) above. (7) Also adjust [G] and [B] in the same manner as for the steps 1) - 5) above.

Test pin for observation of DD SUB PWB

RGB

0-PHASE TP 101 TP 201 TP 301

1-PHASE TP 102 TP 202 TP 302

2-PHASE TP 103 TP 203 TP 303

3-PHASE TP 104 TP 204 TP 304

4-PHASE TP 105 TP 205 TP 305

5-PHASE TP 106 TP 206 TP 306

6-PHASE TP 107 TP 207 TP 307

7-PHASE TP 108 TP 208 TP 308

TOP

1-12 (No.PA020)

DD SUB PWB TEST POINT LOCATION

CN800

CN801

DD SUB PWB

CN301

TP308

TP304

TP307

TP303

TP306

TP305

TP302

TP301

CN101

CN201

CN899

TP206

TP203

TP108

TP105

TP102

TP207 TP204 TP201 TP106 TP103

TP101

TP208

TP205

TP202

TP107

TP104

Page 13

[ Method using light-meter ]

(1) Adjust [V-COM] again. (2) Set a light-meter with analog output terminal at the screen center and observe waveform of the analog output using an os-

cilloscope. (3) Open Menu [DDIC] [Flat Field / DD Ctrl], and turn [R Mute], [G Mute], [B Mute] to [On]. (4) Open Menu [Gain/Setup] and click [Gain]. Record the data of [R], [G] and [B] at this time. (5) Set all phases of [R], [G] and [B] of [Gain] to 0. (6) Open Menu [Flat Field / DD Ctrl] and set [R] Flat Field level to 500, then [G] and [B] to 0, respectively. (7) Open Menu [Gain/Setup] and click [Gain]. Return the 0-PHASE of [Gain] to the data recorded in 4) above. (8) Click [DC Setup]. Using an oscilloscope, observe the waveform of the flicker. Then adjust the 0-PHASE so that the ampli-

tude of the flicker is reduced to a minimum. (9) Click [GAIN] and set the 0-PHASE to 0.

(10) In the same manner as for above, adjust 1-PHASE to 7-PHASE. (11) In the same manner as for the steps 6)-10) above, adjust [G] and [B]. (12) Open [DDIC] [GAIN] and return the value of [GAIN] to the value recorded in 4) above. (13) Adjust V-COM again.

 G BLACK 8 BARS ADJUSTMENT

(1) Supply a G gray-scale signal. (2) Open Menu [DDIC] [Gain/Setup], then click [G] and [Setup]. (3) Observe the darkest gradation with vertical stripes and the lighter portions (1-2 lighter gradations) from the darkest gradation.

Then adjust the phase with the adjustment cursor so that the vertical stripes are reduced to a minimum. (Adjust each phase separately after turning [ALL] off.)

Note :

Set [Separate A and B] to off, then adjust [A-line] and [B-line] at the same time.

 G WHITE 8 BARS ADJUSTMENT

(1) Supply a G gray-scale signal. (2) Open Menu [DDIC] [Gain/Setup], then click [G] and [Gain]. (3) Observe the lightest gradation with vertical stripes and the darker portions (1-2 darker gradations) from the lightest gradation.

Then adjust the phase with the adjustment cursor so that the vertical stripes are reduced to a minimum. (Adjust each phase separately after turning [ALL] off.)

Note :

Set [Separate A and B] to off, then adjust [A-line] and [B-line] at the same time.

 R ADJUSTMENT

(1) In the same manner as for G Black 8 bars and G white 8 bars adjustments, adjust R.

 B ADJUSTMENT

(1) In the same manner as for G Black 8 bars and G white 8 bars adjustments, adjust B.

(No.PA020)1-13

Page 14

4.4.6 A-D CONVERTER APERTURE adjustment

Instruments SVGA signal generator [Gray scale (include : white100% & black 0%)]

NTSC signal generator HDTV signal generator color-meter

Test point

Adjustment menu < User Adjustment >

Preparation

 ADJUSTMENT OF RGB SYSTEM

(1) Open Menu [Gamma] and click [Receive], then perform

asking of the Gamma data.

(2) Open Main screen of PSA controller. Save the data by

[File] → [Save].

(3) Open Menu [Gamma] and set the control point to [128

Points]. (4) Select the Point No.8, and set Y Position to 2047. (5) Select the Point No.120, and set Y Position to 2047. (6) Supply a SVGA 0% signal from the D-SUB terminal. (7) Open Menu [User Adjust] [Adjustment] and adjust [Sub-

BRT G] so that the screen becomes brightest. (8) Supply SVGA green 100% luster signal from D-SUB ter-

minal. (9) Open Menu [User Adjust] [Adjustment] and adjust [Sub-

CNT G] so that the screen becomes darkest.

(10) Return the value of the Gamma carve to the value saved

in (2) above.

(11) Adjust [R] and [B] according to the same order of (1)-(7)

above.

REPLACING COMPONENTS

z MAIN PWB ASS'Y

 ADJUSTMENT OF COMPONENT (COLOR DIFFERENCE) SYSTEM

The following adjustment must be performed after the RGB adjustment has been completed.

[Adjustment observing the screen]

(1) Set the Color TEMP to D65. (2) Apply a 25% white raster NTSC component signal. (3) Open the [User Adjust] [Adjustment] menus and adjust

[Cb Offset] and [Cr Offset] to allow the respective color intensity levels to fall within the following values:

X=0.3127 ± 0.001, Y=0.329 ± 0.001. (4) Apply a 25% white raster HDTV component signal. (5) Open the [User Adjust] [Adjustment] menus and adjust

respective color intensity levels to fall within the follow-

ing values: X=0.3127 ± 0.001, Y=0.329 ± 0.001.

Sub-CNT R / G / B

Sub-BRT R / G / B

1-14 (No.PA020)

Cr Offset / Cb Offset Adjustment

User Adjust MENU

Page 15

4.4.7 COLOR PROFILE adjustment

Instruments SVGA signal generator (include : white 505)

Color-meter (CL-200)

REPLACING COMPONENTS z OPTICAL BLOCK

Test point

Adjustment menu < CMS >

Preparation Completed GAMMA adjustment , SHADING adjustment

A-D CONVERTER APERTURE adjustment, COLOR TEMPERATURE adjustment

 PREPARATION

(1) Open [CMS] menu. (2) Prepare COLOR PROFILE DATA (acr_r, acr_g, acr_b). (3) Set the color-meter in position. (4) Confirm that the OSD Color TEMP is set to D65. (5) Set the color-meter (CL-200) to Multi mode. This setting is only applicable when the Color Profile adjustment is to be per-

formed.

 ADJUSTMENT OF COLOR PROFILE

(1) Open [CMS Control] menu and select [ACR] tab at the lower part of [CMS Control] screen. (2) Select the [HDTV] tab located on the third column from the top of the screen. (3) Click [HDTV] button located on the second column and set the operation mode to [HDTV].

[Color profile adjustment for R]

(4) Apply a SVGA R 50% raster signal. (5) Click the [R] button on the left column of the data table in the [CMS Control] screen. (6) Using the color-meter, adjust ACR to minimize the L value. Confirm that the color temperature values at the center of the pro-

jected screen are as follows: x=0.640 ± 0.03 and y=0.330 ± 0.03.

Method of ACR adjustment:

Press the [Load] button to select necessary data from the acr_r-30~acr_r+30 in the color profile data provided. Press the [Transmit] button to transfer the data to the projector. By repeating the steps above, confirm that the ACR value falls within the standard values shown in the table below. * L=((x-x color intensity specified value)-^

+ (y-y color intensity specified value)^2)^0.5

[Color profile adjustment for G]

(7) Apply a SVGA R 50% raster signal. (8) Click the [G] button on the left column of the data sheet in the [CMS Control] screen. (9) Using the color-meter, adjust ACR to minimize the L value. Confirm that the color temperature values at the center of the pro-

jected screen are as follows: x=0.3000 ± 0.03 and y=0.600 ± 0.03.

Method of ACR adjustment:

Press the [Load] button to select necessary data from the acr_r-30~acr_r+30 in the color profile data provided. Then press the [Transmit] button to transfer the data to the projector. By repeating the steps above, confirm that the ACR value falls within the standard values shown in the table below. * L=((x-x color intensity specified value)-^

+ (y-y color intensity specified value)-^2)^0.5

[Color profile adjustment for B]

(10) Apply a SVGA R 50% raster signal. (11) Click the [B] button on the left column of the data sheet in the [CMS Control] screen. (12) Using the Color-meter, adjust ACR to minimize the L value. Confirm that the color temperature values at the center of the

projected screen are as follows: x=0.150 ± 0.03 and y=0.330 ± 0.060.

Method of ACR adjustment:

+ (y-y color intensity specified value)-^2)^0.5

(13) Press the [MAC RGB] button on the second column and [MAC RGB] tab on the third column from the top of the screen to set

the operation mode to [MACRGB]. (14) Repeat steps 4) to 12) above so that the values fall within the specified values given in the tale below. (15) Perform the same procedures above for [NTSC] and [PAL]. (16) Press the [OFF], [HDTV][NTSC][MAC RGB][PAL] and [PAL] buttons located on the second column in order and confirm that

the display quality (Gamma and color) changes.

(No.PA020)1-15

Page 16

OPERATION MODE Color

2 MACRGB

4.4.8 GHOST adjustment

Instruments Signal generator REPLACING COMPONENTS

Test point

Adjustment menu < DDIC >

Preparation Completed GAMMA adjustment , SHADING adjustment ,

SRGB

(HDTV)

Adobe RGB

(NTSC)

EBU

(PAL)

A-D CONVERTER APERTURE adjustment

R0.640.33

B0.150.06

R0.640.34

B 0.155 0.07

R0.630.34

B 0.155 0.07

R0.640.33

B0.150.06

xyTolerance

Specified value

x,y=±0.03G0.30.6

x,y=±0.03G 0.3 0.59

x,y=±0.03G 0.31 0.595

x,y=±0.03G 0.29 0.6

z OPTICAL BLOCK

(1) Input a picture included letter signal. (2) Open [DDIC] and click [EVR] tab. (3) Adjust [CLK SHIFT] so that the ghost is reduced to a minimum.

4.4.9 FRAME adjustment

Instruments Signal generator REPLACING COMPONENTS

Test point

Adjustment menu < DDIC >

Preparation Completed GAMMA adjustment , SHADING adjustment ,

A-D CONVERTER APERTURE adjustment

(1) Supply an all black signal. (2) Open [DDIC] and click [EVR] tab. (3) Adjust [R FRAME], [G FRAME] and [B FRAME] so that the picture frame floating is not visible significantly on the screen.

z OPTICAL BLOCK

SECTION 5

TROUBLESHOOTING

Please refer to "DLA-HX1U, DLA-HX1E (No.PA018)" about this section.

1-16 (No.PA020)

Page 17

VICTOR COMPANY OF JAPAN, LIMITED

ILA CENTER 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan

(No.PA020)

Printed in Japan

VPT

JVC DLA-HX2E, DLA-HX2U Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

2.1 SERVICE POLICY

2.2 SERVICE MENU

4.1 BEFORE STARTING ADJUSTMENT

4.2 INSTRUMENTS AND TOOLS

4.3 REQUIRED ADJUSTMENTS BY REPLACING COMPONENTS

4.4 ADJUSTMENT PROCEDURE