Gateway GTW-P50M503 Manuale utente

CONFIDENTIAL

PDP-026-1(Module Format)

Issues:Nov.07.03

Version:1.0

50“ PDP

SERVICE MANUAL

MODEL: GTW-P50M503

PANEL:Samsung (VVES50HW-XD01--)

CONTENTS

1. IMPORTANT SAFETY PRECAUTIONS … .……..1-2

2. SPECIFICATION ……………………………….….2-9

3. FACTORY & ELECTRONIC ADJUSTMENT……...3-6

4. BLOCK DIAGRAM ………………………………...4-3

5. TROUBLE SHOOTING GUIDES ……………….….5-6

6. B.O.M.OF BOARD ASSEMBLY...…….……...….6-16

7. P.C. BOARD TOP VIEW ..………………………...7-9

8. ELECTRONIC MODULE LIST …………………...8-1

9. EXPLODED VIEW ………………………………...9-1

10.PACKAGING LIST …………..………………..…10-1

IMPORTANT SAFETY PRECAUTIONS VER1.0

1-1

1. Before returning an instrument to the customer, always make a safety check of the entire instrument,

including, but not limited to, the following items.

a. Be sure that no built-in protective devices are defective and/or have been defeated during servicing. (1)

Protective shields are provided on this chassis to protect both the technician and the customer. Correctly

replace all missing protective shields, including any removed for servicing convenience. (2) When reinstalling

the chassis and/or other assembly in the cabinet, be sure to put back in place all protective devices, including,

but not limited to, nonmetallic control knobs, insulating fish papers, adjustment and compartment

covers/shields, and isolation resistor/capacitor networks. Do not operate this instrument or permit it to be

operated without all protective devices correctly installed and functioning.

b. Be sure that there are no cabinet openings through which an adult or child might be able to insert their

fingers and contact a hazardous voltage, Such opening include, but are not limited to, (1) spacing between

the picture tube and the cabinet mask, (2) excessively wide cabinet ventilation slots, and (3) an improperly

fitted and/or incorrectly secured cabinet back cover.

c. Leakage Current Hot Check—With the instrument completely reassembled, plug the AC line cord directly

into a 120V AC outlet. (Do not use an isolation transformer during this test.) Use a leakage current tester or a

metering system that complies with American National Standards Institutes (ANSI) C101.1 Leakage Current

for Appliances and Underwriters Laboratories (UL) 478. With the instrument AC switch first in the ON position

and then in the OFF position, measure from a known earth ground (metal water pipe, conduit, etc.) to all

exposed metal parts of the instrument (antennas, handle bracket, metal cabinet, screw heads, metallic

overlays, control shafts, etc.), especially any exposed metal parts that offer an electrical return path to the

chassis. Any current measured must not exceed 3.5 milliamp. Reverse the instrument power cord plug in the

outlet and repeat test. ANY MEASUREMENTS NOT WITHIN THE LIMITS SPECIFIED HEREIN INDICATE A

POTENTIAL SHOCK HAZARD THAT MUST BE ELIMINATED BEFORE RETURNING THE INSTRUMENT

TO THE CUSTOMER.

2. Read and comply with all caution and safety-related notes on or inside the Monitor cabinet, on the Projection

Monitor chassis, or on the picture tube.

3. Design Alteration Warning—Do not alter or add to the mechanical or electrical design of this unit. Design

alterations and additions, including, but not limited to, circuit modifications and the addition of the items such

as auxiliary audio and/or video output connections might alter the safety characteristics of this Projection

Monitor and create a hazard to the user. Any design alterations or additions will void the manufacturer’s

warranty and will make you, the service, responsible for personal injury or property damage resulting

therefrom.

DEVICE

UNDER

TEST

ALSO TEST WITH

PLUG REVERSED

(USING AC ADAPTER

PLUG AS REQUIRED)

TEST ALL

EXPOSED METAL

SURFACES

LEAKAGE

CURRENT

TESTER

EARTH

GROUND

3. WIRE CORD

AC Leakage Test

(READING

SHOULD NOT

BE ABOVE

3.5mA)

IMPORTANT SAFETY PRECAUTIONS VER1.0

1-2

4. Hot Chassis Warning—a. Some Monitor chassis are electrically connected directly to one conductor of the

AC power cord and may be safely serviced without an isolation transformer only if the AC power plug is

inserted so that the chassis is connected to the ground side of the AC power source. To confirm that the AC

power plug is inserted correctly, with an AC voltmeter measure between the chassis and a known earth

ground. If a voltage reading in excess of 1.0V is obtained, remove and reinsert the AC power plug in opposite

polarity and again measure the voltage potential between the chassis and a known earth ground. b. Some

Monitor chassis normally have 85V AC (RMS.), between chassis and earth ground regardless of the AC plug

polarity. These chassis can be safely serviced only with an isolation transformer inserted in the power line

between the receiver and the AC power source, for both personnel and test equipment protection. c. Some

Projection Monitor chassis have a secondary ground systems in addition to the main chassis ground. This

secondary ground system is not isolated from the AC power line. The two ground system are electrically

separated by insulating material that must not be defeated or altered.

5. Observe original lead dress. Take extra care to assure correct lead dress in the following areas: a. near

sharp edges, b. near thermally hot parts—be sure that leads and components do not touch thermally hot

parts, c. the AC supply, d. high voltage, e. antenna wiring. Always inspect in all areas for pinched,

out-of-place, or frayed wiring. Do not change spacing between components, and between components and

the printed-circuit board. Check AC power cord for damage.

6. Components, parts, and/or wiring that appear to have overheated or are otherwise damaged should be

replaced with components, parts, or wiring that meet original specifications. Additionally, determine the

cause of overheating and/or damage and, if necessary, take corrective action to remove any potential safety

hazard.

7. PRODUCT SAFETY NOTICE—Many Monitor electrical and mechanical parts have special safety-related

characteristics some of which are often not evident from visual inspection, nor can the protection they give

necessarily be obtained by replacing them with components rated for higher voltage, wattage, etc. Parts that

have special safety characteristics are identified in this service data by shading with a mark on

schematics and by shading or a ＊mark in the parts list. Use of a substitute replacement part that does not

have the same safety characteristics as the recommended replacement part in this service data parts list

might create shock, fire, and/or other hazards.

SPECIFICATION FOR GTW-P50M503 PLASMA DISPLAY VER1.0

2-1

1. SCOPE:

These specifications describe all the characteristics of the 50-inch color monitor.

2. ELECTRICAL REQUIREMENTS:

2.1. Display panel: Specification

a. Screen size Diagonal 50 inch

b. Aspect ratio 16:9 wide

c. Number of pixels 1366 (Horizontal, RGB Trio) X 768 (Vertical) pixels

d. Pixel Pitch 0.81mm (H) X0.81mm (V)

e. Luminance

f. Contrast Ratio Typical 500cd/m2(1% white window)

Typical 450:1 (1% white window)

g. Chromatically x=0.260±0.03, y=0.275±0.03(color temperature HIGH )

at center block white pattern 100% (mosaic).

x=0.285±0.03, y=0.295±0.03(color temperature MID )

at center block white pattern 100% (mosaic).

x=0.335±0.03, y=0.343±0.03(color temperature LOW )

at center block white pattern 100% (mosaic).

x=0.313±0.03, y=0.329±0.03(color temperature 6500D )

at center block white pattern 100% (mosaic).

2.2. Power Source:

a. Input voltage 100 ~ 240 Vac, 50 / 60 Hz

b. Input current 5A

c. Inrush current 60 A p-p/20ms Max.

d. Power consumption 470+10% Watts Max. (at 110Vac/color bar pattern)

e. Stand-by & DPMS 10 Watts Max. (at 110Vac)

2.3. Input Signal:

2.3.1Connector Type:

9 pin D-SUB

15 pin D-SUB

24 pin DVI

2.3.2RGB Signal:

a. Type TTL

b. Polarity Positive or Negative

c. Amplitude RGB: 0.7Vp-p

d. Frequency

H: support to 31K~91KHz

V: support to 50~85Hz

2.3.3DVI Signal:

a. Type

b. Polarity

c. Frequency

d. HDCP Encryption

Digital

Positive or Negative

H: support to 31K~68KHz

V: support to 50~85Hz

Enabled

SPECIFICATION FOR GTW-P50M503 PLASMA DISPLAY VER1.0

2-2

2.3.4Pin Assignments For D-SUB Connector (In / Loop Out):

Signal Assignment Pin Signal Assignment Pin

Signal Assignment

1RED 6RED GND 11 GND

2GREEN 7GREEN GND 12 SDA

3BLUE 8BLUE GND 13 H-SYNC

4GND 9NC 14 V-SYNC

5GND 10 GND 15 SCL

2.3.5Pin Assignments For 24Pin DVI Connector (Digital Only):

Signal Assignment Pin Signal Assignment Pin Signal Assignment

1TMDS Data 2-9TMDS Data 1-17 TMDS Data 0-

2TMDS Data 2+ 10 TMDS Data 1+ 18 TMDS Data 0+

3TMDS Data 2/4 Shield

11 TMDS Data 1/3 Shield

19 TMDS Data 0/5 Shield

4TMDS Data 4-12 TMDS Data 3-20 TMDS Data 5-

5TMDS Data 4+ 13 TMDS Data 3+ 21 TMDS Data 5+

6DDC Clock 14 +5V Power 22 TMDS Clock Shield

7DDC Data 15 Ground (For +5V) 23 TMDS Clock +

8No Connect 16 Hot Plug Detect 24 TMDS Clock -

SPECIFICATION FOR GTW-P50M503 PLASMA DISPLAY VER1.0

2-3

2.3.6 MODE LIST FOR RGB/DVI:

Mode No

Resolution Refresh

Rate Horizontal

Frequency

Vertical

Frequency

Vertical

Sync

Polarity

Horizontal

Sync

Polarity Dot rate

(Hz) (K Hz) (Hz) (TTL) (TTL) (MHz)

1640(VGA)×480 60 31.500 59.940--25.175

2640(VGA)×480 72 37.900 72.810--31.500

3640(VGA)×480 75 37.500 75.000 --31.500

4640(VGA)×480 85 43.300 85.010--36.000

5800(SVGA)×600 56 35.100 56.250++36.000

6800(SVGA)×600 60 37.900 60.317 ++40.000

7800(SVGA)×600 72 48.100 72.190++50.000

8800(SVGA)×600 75 46.900 75.000 ++49.500

9800(SVGA)×600 85 53.700 85.060++56.250

10 1024(XGA)×768 60 48.400 60.010--65.000

11 1024(XGA)×768 70 56.500 70.070--75.000

12 1024(XGA)×768 75 60.000 75.030++78.750

13 1024(XGA)×768 85 68.700 84.990++94.500

14 1280(SXGA)×1024

60 63.98060.020++108.00

15◎1280(SXGA)×1024

75 79.98075.030++135.00

16◎1280(SXGA)×1024

85 91.15085.020++157.50

18 720(DOS)×400 70 31.460 70.080 +-28.322

19 640(VGA)×480 50 31.500 50.000 --25.175

20◎1280(HDTV)×720p60 45.000 60.000 ++74.250

21◎1920(HDTV)×1080i

60(i) 33.750 60.000 ++74.250

22 640(VGA)×350 70 31.500 70.000 -+25.175

23 852(WGA)×480 60 31.410 59.835 --30.000

24 640 x 480 67 35.000 66.670 --30.240

25 832 x 624 75 49.730 74.550 --57.283

26 1152 x 870 75 68.680 75.060 --100.000

28 1360 x 768 60 47.368 59.960 -+72.000

30 1280 x 960 60 60.000 60.000 ++108.000

31◎1280 x 960 85 85.938 85.002 ++148.500

Note: 1. ◎: For DVI is not supported.

2. Mode 24~26 for Apple Macintosh computer.

2.4. Display Performance Requirements:

The data of display performance are measured based on the following

conditions unless otherwise specified.

a. Ambient temperature 25±5 ℃

b. Warm up period 30 minutes Min.

c. Line input voltage: 100 Vac ~ 240 Vac (50 / 60 Hz)

d. Viewing distance Distance from screen is 81 cm

e. Display mode Test with window white pattern mode if not specified.

f. Brightness condition Press recall bottom to set default brightness

2.4.1Maximum Resolution: Support to 1280 x 1024

2.4.2Horizontal Size (Standard) 1106.5±8 mm (for mode 1∼31)

Vertical Size (Standard) 622.1±8 mm (for mode 1∼31)

SPECIFICATION FOR GTW-P50M503 PLASMA DISPLAY VER1.0

2-4

2.4.3Horizontal Size (Max.) Mode 1~31ðover full-scan

Vertical Size (Max.) Mode 1~31ðover full-scan

2.4.4Maximum Brightness Level: Timing Mode 1

a. 100% center block white

pattern (mosaic) More than 25FL

(while pressing recall button to set default brightness)

b. Raster background

Less than 0.4FL

(while pressing recall button to set default brightness)

2.5. Operation:

Main unit button Main power switch (power ON /OFF)

Power ON/OFF

Input Select (RGB -> DVI run in cycle)

Menu key -,+

Adjustment -,+

IR Remote Control Power on/off

MUTE

Display

Input Select (same as Main unit button)

Volume -,+

Wide:

Analog RGB input: 4:3/16:9

Menu -,+

Adjustment -,+

RECALL

PIP, SOURCE, SWAP, POSITION (this mode is not use)

USE FOR TV MODE: (this mode is not use)

V-CHIP/SET

FAV.CH, FAV.SET, QV, CCD, MTS, CH LOCK,

SLEEP TIMER,

Number Select, CH ▲▼

DIRECT KEY:

POWER ON, POWER OFF, RGB, DVI

TV(this mode is not use)

AV1(this mode is not use)

AV2(this mode is not use)

COMPONENT1/2(this mode is not use)

2.5.1Adjustable Items:

Analog RGB input

PICTURE:

Input Source, Brightness, Contrast, V-center, V-size,

H-position, H-width, Color Temperature, Clock Phase

SOUND:(this mode is not use)

Bass, Treble, Surround, BBE, Bass Extension, Volume,

INNER SPK, Audio Output

PIP/POP: (no function under this input)

TV: (this mode is not use)

OTHER:

OSD Timeout, OSD Brightness, OSD Background, Sleep,

OSD Language, Power Save, Power On Sequence, Reset

DVI input

PICTURE:

Input Source, Brightness, Contrast, V-center, V-size, H-

position, H-width, Color Temperature

SOUND: (same as Analog RGB input)

PIP/POP; (no function under this input)

TV; (this mode is not use)

OTHER:

OSD Timeout, OSD Brightness, OSD Background, Sleep,

Power Save, Power On Sequence, Reset

SPECIFICATION FOR GTW-P50M503 PLASMA DISPLAY VER1.0

2-5

3. DIMENSIONS: Without/Stand With/Stand

Width

Height

Depth

49.5”/1256mm

30.0”/762 mm

4.2”/107.5mm

49.5”/1256mm

31.9”/810mm

11.8”/300 mm

3.1. Package Dimensions:

Width 56.5”/1436 mm

Height 44.3”/1125 mm

Depth 18.5”/470 mm

3.2. Weight:

Net weight 103.6lbs/47 Kg (w/o stand) 108lbs/ 49Kgs (w/ stand)

Gross weight 132.24lbs/60 Kg

4. ENVIRONMENT:

4.1. Operating:

Temperature 0~50℃(32~122℉)

Relative humidity 20~80%

Pressure 800~1100hpa

4.2. Non-Operating:

Temperature -20~60℃(-4~140℉)

Relative humidity 20~90%

Pressure 700~1100hpa

Vibration X/Y/Z, 0.5G/10~55Hz(sweep), 10 minutes

4.3. Acoustics:

(IHF A-weighted 1meter) 40dB Max.

5. Reliability Requirement:

The MTBF needs 20000hrs under operation 25±5℃(half luminosity, motion picture)

6. REGULATORY REQUIREMENTS:

6.1 Safety Requirement:

a. UL Safety of information technology equipment including

electrical business equipment

b. CSA

Safety of information technology equipment including

electrical business equipment

c. TUV

6.2 Emission Requirement:

The unit shall meet the EMI limits in all screen modes. For EMI testing, the unit must be failed

with the screen pattern consisting of scrolling capital “H” characters also the brightness

contrast will be adjusted to max. Level.

a. FCC class B part 15

SPECIFICATION FOR GTW-P50M503 PLASMA DISPLAY VER1.0

2-6

6.3 Transit test

a. Drop Test 200mm max.

b. Vibration Test

1. Forward and backward

2. Right and left

3. Up and down

30 minutes 1000 c.p.m

6.4 Power Management:

Mode H-sync V-sync Video Power dissipation

Normal Pulse Pulse Active Normal power

Stand-by No pulse No pulse No video Less than 10 watts

Pulse No pulse

Power saving No pulse Pulse Blanked Less than 10 watts

This Plasma display is Energy star compliant when used with a computer equipped with DPMS.

Note: The power indicator LED color is green in normal state, yellow in stand-by and

power saving state.

Indice

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