Samsung PPM42S3 Manuale utente

PLASMA DISPLAY TV

Chassis : D62B

Model: PPM50H3QX/EDC

PLASMA DISPLAY TV CONTENTS

Specifications

Alignment and Adjustments

Exploded View and Parts List

Service Item

Schematic Diagrams

SERVICE Manual

Specifications

Samsung Electronics 1-1

1. Specifications

MODEL

Display

Screen Size

Voltage

Power Consumption

Number of Pixels

External Control

AUDIO Input

AUDIO Output

VIDEO Input

VIDEO Output

Dimensions

Weight

PPM50H3Q

1204.6(W) x 79(D) x 7245(H) mm / 47.43(W) x 3.11(D) x 28.5(H) inches

43 Kg (without stand)

50 Inches

AC 120V, 60Hz / AC 100-250V, 50/60Hz

490 Watts

1366(H) X 768(V)

RS-232C IN(Mini jack), RS-232C OUT(D-SUB 9P)

VIDEO / S-VIDEO

COMPONENT 1

COMPONENT 2

RGB(PC) 1/2

DVI

External Speaker (10W+10W)

Audio Output (L/R RCA)

VIDEO

S-VIDEO

COMPONENT 1 - 480i / 480p / 720p / 1080i

COMPONENT 2/RGB2(PC) IN (BNC, 5P, 480i~1080i, VGA~XGA)

RGB1(PC1) - D-SUB 15P

DVI

Monitor Output (RCA)

1-2 Samsung Electronics

MEMO

Alignment and Adjustments

Samsung Electronics 2-1

2. Alignment and Adjustments

2-1 Service Mode

2-1-1 SERVICE MODE Entry Method (General Transmitter)

■ For the General Transmitter

1. Turn the power off and set to stand-by mode.

2. Press the buttons of the transmitter in this order; Info-Menu-Mute-Power or Mute-1-8-2-power

to turn the set on.

3. The set turns on and enters service mode.

* If you fail to enter service mode, repeat steps 1 and 2 above.

2-1-2 Initial DISPLAY State of SERVICE MODE

2-1-2(A) OSD DISPLAY

2-1-2(B) Button Operations in SERVICE MODE

1. VSP9437-1 9. CXA2101

2. VSP9437-2 10. LOGIC

3. FLI2300 11. TP LOG-ASI

4. ASI500-1 12. Option

5. ASI500-2 13. CheckSum 0000

6. DNIe 14. Reset

7. AD9888

8. CXA2151

Release : 2003-07-12 T_NEW 50MWW_1001

UP/DOWN Key

LEFT/RIGHT Key

Displays all menus

Cursor move to select items

Enable to increase and decrease the data of the selected items

SERVICE MAIN

Alignment and Adjustments

2-2 Samsung Electronics

2-1-3 Factory Data Initial Value

VSP9437-1(Video) VSP9437-2(Video)

FLI2300 ASI500 (Video/PC,DVI)

V PEAKING 16

HPLL SPEED 00

RGB/YUV CONT 36

RGB/YUV BRIGHT 00

YUV SATCB 26

YUV SATCR 26

PAL B/G 01

PAL D/K 01

PAL I 01

SECAM B/G 27

SECAM D/K 27

SECAM L’/L 27

NTSC M 01

NTSC 4.43 27

PAL 60 27

PAL M 01

PAL 01

SECAM 27

NTSC 01

NTSC 4.43 27

PAL 60 27

NR 01

V PEAKING 16

HPLL SPEED 00

PAL 01

SECAM 27

NTSC 01

PAL AV 01

SECAM AV 27

NTSC AV 01

Y DELAY 0

C DELAY 12

CONTRAST 9

BRIGHTNESS 18

SATURATION 110

R CONTRAST 32/30

G CONTRAST 32/30

B CONTRAST 32/30

R BRIGHTNESS 0

G BRIGHTNESS 0

B BRIGHTNESS 0

TEXT ALPHA 1

TEXT THRESHOLD 7

FILTER ML 0

FILTER MR 0

FILTER FR 0

FILTER MC 16

FILTER UC 0

FILTER LC 0

FILTER YPASS 0

R GAMMA 32

G GAMMA 32

B GAMMA 32

H POSITION 0

V POSITION 0

HSIZE 0

VSIZE 0

OVERSCAN R 0

OVERSCAN G 0

OVERSCAN B 0

Alignment and Adjustments

Samsung Electronics 2-3

ASI500 DNIe

(Video/PC,DVI)

AD9888

Video/Comp/PC

C A2101

(Video,COMP)

PIP R CONT 32

PIP G CONT 32

PIPBCONT 32

PIP R BRIGHT 0

PIP G BRIGHT 0

PIPBBRIGHT 0

PIP FILTER IC 0

PIP FILTER ML 0

PIP FILTER MR 0

PIP FILTER UC 0

BRIGHT OFFSET

Attachment

CONTRA OFFSET

Attachment

SCALE MAX Y 48

SCALE MIN Y 16

TH HPF 00

TH EDGE 04/0

NR SEL 02

CE UPPER 220/240

CE CUTOFF 4

CE GAIN 64/7

DCE GAIN 190/96

SKIN ON 00

CTI GAIN 08

DE NOISE GAIN 08/10

TH CORING 02

PATT SEL 00

NOISE TH3 100

HCONT 32

VCONT 32

BLACK GAIN 37

WHITE GAIN 37

WTE GAIN 300

CTE GAIN 176

H SHARP GAIN 127/48

V SHARP GAIN 127/48

SHARPNESS 100

CLK DLY 07

HPOSI 12

R GAIN 71/128/83

G GAIN 77/122/81

B GAIN 9 /128/81

R OFFSET 63/79/64

G OFFSET 66/ 3/70

B OFFSET 64/82/68

V-PATH PC

AUTO COLOR

OFF

PICTURE 16

HUE 31

COLOR 16

BRIGHT 61

SHARPNESS 28

R DRIVE 4

GDRIVE 4

BDRIVE 4

R CUTOFF 32

GCUTOFF 32

BCUTOFF 32

SUB BRIGHT 3

CR OFFSET1 07

CB OFFSET1 07

SUB CONT 12

SUB COL 08

SUB HUE 08

R-Y/R 13

R-Y/B 1

G-Y/R 12

G-Y/B 04

Alignment and Adjustments

2-4 Samsung Electronics

LOGIC

(PDP DRIVER)

TP LOG-ASI

(TEST PAT LOGIC/SCALER)

R DRIVE Attachment

G DRIVE Attachment

B DRIVE Attachment

R CUTOFF Attachment

G CUTOFF Attachment

B CUTOFF Attachment

GAMMA 1

GTS SET 1

ERD MODE 2

RANDOM NOISE 1

DIFF FILTER 1

APC 1

APC SET 0

APC VALUE 127

ACTIVE VPOS 12

ACTIVE HPOS 19

VSYNC POS 3

HSYNC POS 32

VSYNC WIDTH 2

HSYNC WIDTH 12

LOG PATTERN 0

LOG HIGH LEVEL 0

LOG LOW LEVEL 0

ASI COLORBAR 0

*CXA21 1 Data

00. Gam Sel 01

01. CB Gain 07

02. CR Gain 07

03. Y Gain 01

04. V TC 01

IC Video,S-VHS Component PC DVI

SNI Bright 41 44 39 39

Contrast 8 7 67 49

Logic

RGa in 140 139 132 134

128 130 130 130

BGain 122 119 12 120

07 244 03 02

0 0 0 0

17 248 247 2 1

G Gain

R Cutoff

G Cutoff

B Cutoff

Item W/B Data

Alignment and Adjustments

Samsung Electronics 2-5

Alignment and Adjustments

2-2 WHITE Balance Coordinates

2-2-1 White Balance Adjustment

1. W/B Adjustment is required for the following four modes: DVI → DTV → PC → CVBS(VIDEO)

→ CVBS(VIDEO PIP)

2. Adjustment Method (DVI, DTV, PC : VG828, CVBS : Adjust RF signals to match the

Toshiba pattern (in-house signal)

!Adjust the target set by adjusting the panel logic and the video DNIe adjustment register in

is the full digital path.

@For DTV adjustment, adjust the adjustment register of ad9888 to align the DTV signal

to the DNIe and logic panel value which was fixed with a DVI adjustment so that they are

in effect considered to be the same signals. (At this time, do not adjust the gain of

AD9888 → the Highlight W/B does not need to be adjusted since its deviation falls

within valid distribution range.)

#PC adjustment is same as DTV adjustment. (The offset can be applied to the values

obtained through DTV adjustment. However, additional adjustment is required for

Y, Cb, and Cr of DTV since PC processes R, G, and B signals.)

$cvbs adjustment is performed with the Toshiba pattern (in-house signal) and differs

from the VG828 signals in the above three modes. Hence, it should be performed with

the same method of !DVI adjustment.

% Finally, activate PIP in video mode, and repeat W/B adjustment.

❈Thus, Micom saves the W/B data separately for each memory mode of the block

(See the block diagram given below) during W/B adjustment.

Micom can memorize the four modes

separately. However, under the current

adjustment guidelines, DTV and PC are

memorized with the same value during

DVI adjustment and CVBS is memorized

with a separate value.

Alignment and Adjustments

2-6 Samsung Electronics

2-2-2 White Balance Coordinates by Mode

PedestalLevel Low Light

measure point High Light

measure point

Video Component PC DVI

H/L

x278 280 280 280

y28 287 29 29

Y(fL) 33 34 28 31

L/L

x278 280 28 28

y28 287 29 29

Y(fL) 1.3 0.6 1.2 1.0

Alignment and Adjustments

Samsung Electronics 2-7

2-3 Voltage Adjustment

CN805

CN804

CN812

CN806

(

SMPS

CN807

CN808

CN809

CN810

CN802 CN801 CN803

Fan power source.

VR2

VR1

Adjust the SMPS voltage

using the VR(Var iable

Resistor)

Test Point

VR : Variable Resistor

Pin Connector

Output Va Vsc Vs Ve Vset

Voltage Seethelabelsattachedonthebasechassis

Validate the SMPS

voltage

Vscan

Vs Vset

☞Notes

1. When the SMPS-PCB is replaced, the Va, Vsc, Vs, Ve and Vset voltages must be checked and adjusted to the proper levels

indicated on the panel sticker.

SMPS Volume Resistor Adjustment

Point 1

Point 2

Point 3

Point 4

Point 5

Point 1

Volume Resistor VR2

for "Vs" Adjustment

Point 2

Volume Resistor VR1

for "Va" Adjustment

Point 3

VolumeResistor VR6 is a Factory Setting Point. Don’ t touch.

Point 4

Test Point

for "Vs" Adjustment

CN 805 Pin No. 9, 10 or

CN 804 Pin No. 8, 9

Point 5

Test Point

for "Va"Adjustment

CN 812 Pin No. 1, 2 or

CN 806 Pin No. 1, 2

CN812 CN806

CN805 CN804

VR1

VR2

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