Samsung PS42D5SX/XEC User manual

PLASMA DISPLAY TV
Chassis : D72A(P) Puccini_42D5
Model : PS42D5SX/XEC
PS42D5SX/XSG
PS42D5SX/XTL
PLASMA DISPLAY TV FEATURES
■■DTV Ready PDP TV
■2 Way 4 Speakers
■
■1 HDMI input
■Slim line design
■
■Energy Saving
■12 Bit image processing
(687 billion color)
SERVICE Manual
42D5

Table of Contents
Chapter 1 Precaution
■1-1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
■1-2 Servicing Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
■1-3 Static Electricity Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
■1-4 Installation Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Chapter 2 Product Specification
■2-1 Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
■2-2 Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
■2-3 Specifications Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
■2-4 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Chapter 3 Alignment & Adjustment
■3-1 Service Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
■3-2 How to Access Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
■3-3 Factory Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
■3-4 Service Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
■3-5 Software Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
■3-6 Replacements & Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Chapter 4 Exploded View & Part List
■4-1 PS42D5SX/XEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
■4-2 PS42D5SX/XSG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
■4-3 PS42D5SX/STL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Chapter 5 Electrical Part List
■5-1 PS42D5SX/XEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
■5-2 PS42D5SX/XSG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
■5-3 PS42D5SX/STL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Chapter 6 Troubleshooting
■6-1 First Checklist for Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
■6-2 Checkpoints by Error Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
■6-3 Trouble-shooting with New Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
■6-4 Troubleshooting Procedures by ASS'Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Chapter 7 Block Diagram
■7-1 Overall Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
■7-2 Partial Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

Chapter 8 Wiring Diagram
■8-1 Overall Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
■8-2 Partial Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
Chapter 9 PCB Diagram
■9-1 PDP Module, SMPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
■9-2 Video Board, Function Key Borad, Power Button Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
Chapter 10 Schematic Diagram
■10-1 Main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
■10-2 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
■10-3 Power/IR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
Chapter 11 Operation Instruction & Installation
■11-1 Product Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
■11-2 New Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6
■11-3 Installation Notes and Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
Chapter 12 Disassembly & Reassembly
■12-1 Overhaul Disassembly & Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Chapter 13 Circuit Description
■13-1 Partial Block Descriptio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
■13-2 New Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-25
Chapter 14 Reference Information
■14-1 Connection to a 3rd Party Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-1
■14-2 Technical Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-9

Alignment &Adjustment
Samsung Electronics 3-1
3. Alignment & Adjustment
3-1 Service Instruction
* Check items listed after changing each
1. Main Board replace :ATM Channel fixing and White Balance adjustment
2. Main SMPS Board replace: Vs, Va Voltage check and adjust
5. DC-DC SMPS Board replace : Output voltage check and adjust
6. Logic Board replace : Not adjustment
7 : Y-Main Board replace : Not adjustment
8 : X-Main Board replace : Not adjustment
9 : Buffer Board replace : Not adjustment

Alignment &Adjustment
3-2 Samsung Electronics
3-2 How to Access Service Mode
■Using the Customer Remote
1. Turn the power off and set to stand-by mode.
2. Press the remote buttons in this order; POWER OFF-MUTE-1-8-2- POWER ON to turn the set on.
3. The set turns on and enters service mode.
4. Press the Power button to exit and store data in memory.
※If you fail to enter service mode, repeat steps 1 and 2 above.
5. Initial SERVICE MODE DISPLAY State
※The firmware version is subject to change without notice.
4. Buttons operations within Service Mode
Factory AIR 10
White Balance
uPD64083
ADV7402 Main
SDP51
MST9883
ADV7402 Sub
DNIe
Logic
PW318
Option
PW318 Upgrade
TL945 Upgrade
Reset
Release Date : XXX XX XXXX XX:XX:XX
Code No. : M1 Micom XX
PW318 T_XXXXXXXXX-XXXX
TL945 0.XX
Current input mode
Firmware version
MENU Full Menu Display / Move to Parent Menu
Direction keys ▲/ ▼Item Selection by Moving the Cursor
Direction keys ◀/ ▶Data Increase/Decrease for the Selected Item
Source Cycles through the active input source that are connected to the unit

Alignment &Adjustment
Samsung Electronics 3-3
3-3 Factory Data ★The underlined are items applied during the service adjustment. None of the others should be adjusted.
No ITEM Initial Value Remark
1Panel Option 42S5S 42S5S/42D5S/42S5H
2 Gamma Mode - 2 Mode - 1,2,3,4
3Analog Dimming Mode - 3 Mode - 1,2,3,4
4Auto Power On ON/OFF
5Key Lock OFF ON/OFF
6 Anynet OFF ON/OFF
7DDC Write OFF ON/OFF
8 LNA ON ON/OFF
9Ant. Gain Display OFF ON/OFF
10 Language English Osd language
11 Auto FM OFF ON/OFF
12 High Deviation Off ON/OFF
13 TTX On ON/OFF
14 TTX List Flop Flop/List
15 TTX TOP Off ON/OFF
16 TTX Group Auto Language TTX language
17 TTX Level Level 1.5 LEVEL 1.5 / 2.5
18 Shift Test OFF ON/OFF
19 Sound Delay1 OFF ON/OFF
20 Sound Delay2 OFF ON/OFF
21 Debug OFF ON/OFF
2. Option Table
1. Calibration
2. Option Table
3. White Balance
4. SVP-EX
5. SAA7119
6. MSP34XX/44XX
7. YC Delay
8.Adjust
9. DNIe
10. Chip Debugger OFF
11. Checksum
12. Reset
13. Spread Spectrum
14. Logic
T-PCN42PEUS-XXXX
SUB Micom Ver-xxxx
Fatory mode OSD Display
1. Calibration
①AV Calibration
②PC Calibration
③DTV Calibration

Alignment &Adjustment
3-4 Samsung Electronics
No Item Range TV/AV Component PC DVI(HDMI)
1 Sub-Briteness 0~255 7 128 130 130
2 R-offset 0~255 138 128 138 138
3 G-offset 0~255 128 128 128 128
4 B-offset 0~255 146 128 144 144
5 Sub-Contrast 0~63 36 32 32 32
6 R-offset 0~255 128 128 128 128
7 G-offset 0~255 128 128 128 128
8 B-offset 0~255 148 128 128 128
3. White Balance
4. SVP-EX
No Item Range Initial Value Remark
1 Y-Filter 0 ~ 255 80H
20 ~ 255 80H
30 ~ 255 80H
40 ~ 255 80H
50 ~ 255 80H
①ComB Filter
②Peaking
No Item Range Initial Value Remark
1 V-Peaking 0 ~ 255 80H
2Peaking Delay 0 ~ 255 80H
3Peaking Gain 0 ~ 255 80H
4Peaking Width 0 ~ 255 80H
5Praking f0 0 ~ 255 80H
③NR
No Item Range Initial Value Remark
1 Y-NR-Off 0 ~ 255 80H
2 C-NR-Off 0 ~ 255 80H
3 Y-NR-ON 0 ~ 255 80H
4 C-NR-ON 0 ~ 255 80H
④Deinterlace
No Item Range Initial Value Remark
1 Motion 0 ~ 255 80H
2 80H
3 80H
4 80H

Alignment &Adjustment
Samsung Electronics 3-5
⑤Picture GainAdjust
No Item Range TV/AV/S_Video Component PC DVI/HDMI
1TCD3 Contrast 0 ~ 255 AV Calibration 78h
20h
2TCD3 Brightness 0 ~ 255 AV Calibration
3TCD3 CR Saturation 0 ~ 255 78h
4TCD3 CB Saturation 0 ~ 255 78h
5TCD3 YC Delay 0 ~ 15 00h
Range 480I/576I/480P/576P/1080I 720P PC HDMI
6Analog Y/G offset 00 ~ 255 DTV Calibration PC Calibration 00 40h
7Analog PB/B offset 00 ~ 255 DTV Calibration PC Calibration 02 00h
8Analog PR/R offset 00 ~ 255 DTV Calibration PC Calibration 02 00h
9Analog Y/G Gain 00 ~ 255 D6h E9h D6h
10 Analog PB/B Gain 00 ~ 255 FEh E9h FEh
11 Analog PR/R Gain 00 ~ 255 FEh E9h FEh
12 Black Level Setting 00 ~ 255 00h
13 Brightness(SVP) 0 ~ 255 00h
No Item Range Initial Value
1 HTC 00 ~ 255 2
2 ATVT 00 ~ 255 1
3 LUFI 00 ~ 255 5
4 NAICO_Brig 00 ~ 255 128
5 NAICO_Cont 00 ~ 255 64
6 NAICO_Satu 00 ~ 255 64
7 NAICO_Hue 00 ~ 255 3
8 COMP_Brig 00 ~ 255 162
9 COMP_Cont 00 ~ 255 92
10 COMP_Satu 00 ~ 255 64
11 TASKA_Brig 00 ~ 255 140
12 TASKA_Cont 00 ~ 255 64
13 TASKA_Satu 00 ~ 255 64
14 LIMOD 00 ~ 255 0
15 LIFIL 00 ~ 255 2
16 LIWGT 00 ~ 255 3
5. SAA7119
No Item Range Initial Value
1 FM-Prescale 00 ~ 255 20h
2 NT-M-Prescale 00 ~ 255 20h
3 SECAM-L-Prescale 00 ~ 255 22h
4 AV-Prescale 00 ~ 255 1Ah
5I2S_1 Prescale 00 ~ 255 10h
6I2S_2 Prescale 00 ~ 255 10h
7Carrier Mute 00 ~ 255 42h
8Pilot High 00 ~ 255 0Eh
9Pilot Low 00 ~ 255 07h
6. MSP34XX/44XX

Alignment &Adjustment
3-6 Samsung Electronics
7. YC Delay
No Item Range TV/AV/S_Video Component PC DVI/HDMI Remark
1RF PAL-B/G 00 ~ 255 102
77h 77h 77h -
2RF PAL-D/K 00 ~ 255 136
3RF PAL- I 00 ~ 255 102
4RF SECAM-B/G 00 ~ 255 51
5RF SECAM-D/K 00 ~ 255 34
6RF SECAM-L/L' 00 ~ 255 51
7RF NTSC3.58 00 ~ 255 187
8RF NTSC4.43 00 ~ 255 187
9AV PAL 00 ~ 255 67
10 AV SECAM 00 ~ 255 34
11 AV NTSC 3.58 00 ~ 255 102
12 AV NTSC4.43 00 ~ 255 102
13 AV PAL60 00 ~ 255 119
8.Adjust
No Item Range TV/AV/S_Video Component PC DVI/HDMI Remark
1Video Mute Time 10
-
2Melody Volume 0 ~ 20 5
3TTX Contrast 0 ~ 100 50
4TTX Brightness 0 ~ 100 50
5TTX Color 0 ~ 100 50
6Dynamic Contrast 0 ~ 100 100
7Dynamic Color 0 ~ 100 50
8Dynamic Sharpness 0 ~ 100 60
9Standard Contrast 0 ~ 100 90
10 Standard Brightness 0 ~ 100 80
11 Standard Color 0 ~ 100 70
12 Standard Sharpness 0 ~ 100 70
13 Movie Contrast 0 ~ 100 60
14 Movie Brightness 0 ~ 100 50
15 Movie Color 0 ~ 100 50
16 Movie Sharpness 0 ~ 100 40
17 RF_dB_1 0 ~ 255 0
18 RF_dB_2 0 ~ 255 0
19 RF_dB_3 0 ~ 255 0

Alignment &Adjustment
Samsung Electronics 3-7
9. DNIe Lite
No Item Range TV/AV/S_Video TV/AV/S_Video Component PC DVI/HDMI
1 PATT_SEL DNIe Lite 0x002C [13:08] 0 ~ 63 0
2 BLACK_TILT DNIe Lite 0x005E [15:08] 00 ~ 255 120 120 80 120
3 BLACK_GAINMAX DNIe Lite 0x00B9 [09:00] 00 ~ 1023 85 85 93 95
4 TEST_MCC DNIe Lite 0x00C1 [12] 0 ~ 1 0
5 OVERLAP_MCM DNIe Lite 0x00C1 [11:10] 00 ~ 03 0
6 AREA_EN_MCC DNIe Lite 0x0062 [15:11] 00 ~ 31 31
7 R-Offset(Post) DNIe Lite 0x0080 [09:00] -512 ~ 511 0 0 0 0
8 G-Offset(Post) DNIe Lite 0x0081 [09:00] -512 ~ 511 0 0 0 0
9 B-Offset(Post) DNIe Lite 0x0082 [09:00] -512 ~ 511 0 0 0 0
10 R-Gain(Post) DNIe Lite 0x007B [07 : 00] 0 ~ 255 128 128 128 128
11 G-Gain(Post) DNIe Lite 0x007C [15 : 08] 0 ~ 255 128 128 128 128
12 B-Gain(Post) DNIe Lite 0x007C [07 : 00] 0 ~ 255 128 128 128 128
13 Com_Offset_Sel(Post) DNIe Lite 0x00F2 [13] 0 , 1 1
14 Com_Gain_Sel(Post) DNIe Lite 0x00F2 [14] 0 , 1 1
10. Chip Debugger : ON/OFF
11. Checksum XXXX XXXX
12. Reset
13. Spread Spectrum
14. Logic
No Item Range Initial Value
1Int/Ext Sel 0
2Pat Sel 0
3 FCRL CON 0
4Image Sticking 0
5Error Mode Check 0
6Error Code Table 0
7Vs Reference 0
8VsAverage 0
9Vs to D/A 0
10 Va Reference 0
11 Va Average 0
12 Va to D/A 0

Alignment &Adjustment
3-8 Samsung Electronics
3-4 Service Adjustment
3-4-1 White Balance Adjustment
1. W/BAdjustment is required for the following two modes : : Component →Video
(Signal equipment : MSPG-925LTH, Measurement equipment : CA210)
※To adjust HDMI, use the HDMI ↔DVI conversion cable, and connect the DVI output from MSPG-925LTH to the HDMI input.
2.Adjustment Method
-Component and Video modeAdjustment PC, HDMI mode offset.
※Thus, Micom saves the PS42S5S W/B data separately for each memory mode of the block
- White Balance Coordinates by Mode
VIDEO COMPONENT
H/L
(High Light)
x 265 265
y 265 265
Y(fL) 31 21
L/L
Low Light
x 280 280
y 285 285
Y(fL) 1.3 0.8
1. Pattern Generator Device: 925 LTH (Manufacturer: Master)
2.Adjust Pattern : ABLPattern(Master 925LTH #16 Pattern)
3.Adjust Timing : Video - PAL (Master 925LTH Model #2)
Component - 720P(Master 925LTH Model # 6)
4. The adjustment procedures for each mode are described as follows:
1) Component
①Send the ToshibaABL Pattern (Pattern #16) of the 1080i (Model #5) resolution signal to theComponent in port using
the Master 925 LTH.
②Enter Factory mode, move to "White Balance" and click Select.
③Set the coordinates of H/L and L/Lby adjusting "Sub Contrast", "Sub Bright", "R Drive", "G Drive", "B Drive", "R Cutoff"
, "G Cutoff" , and "B Cutoff".
2) Video
①Send the ToshibaABL Pattern (Pattern #16) of the 1080i (Model #5) resolution signal to the Video in port using the
Master 925 LTH.
②Enter Factory mode, move to "White Balance" and click Select.
③Set the coordinates of H/L and L/Lby adjusting "Sub Contrast", "Sub Bright", "R Drive", "G Drive", "B Drive", "R Cutoff"
, "G Cutoff" , and "B Cutoff".

Alignment &Adjustment
Samsung Electronics 3-9
H/L Point
L/L Point

Alignment &Adjustment
3-10 Samsung Electronics
3-5 Software Upgrade
3-5-1 Digital Board TL945 Flash Upgrade
1. Connect one end of the RS-232C cable to the PC COM port and the other end of the cable to the PDP Service port while the
power of the PDP is off.
2. Rome Flash Downloader.

Alignment &Adjustment
Samsung Electronics 3-11
3. When the Flash Downloader is launched, click the Open button.
4. Select a file to be downloaded from the computer.

Alignment &Adjustment
3-12 Samsung Electronics
5.After selecting a target file, click the Connect button and turn the power on. When the program is activated, Ready click.
6. Note that the power must not be turned off during the download.

Alignment &Adjustment
Samsung Electronics 3-13
7.After the download is finished, the Flash Download Completed popup window opens. That indicates S/W upgrade is completed.

Alignment &Adjustment
3-14 Samsung Electronics
3-6 Replacements & Calibration
3-6-1 Voltage Adjustment
※When the SMPS is replaced, the Va, Vs voltages must be checked and adjusted to the proper levels indicated on the panel
sticker.
Voltage Label
VR514 Va
adjustment VR432 Vs
adjustment
Ve
adjustment
Vset
adjustment
Vscan
adjustment

Block Diagram
Samsung Electronics 7-1
7. Block Diagram
7-1 Overall Block Diagram

Block Diagram
7-2 Samsung Electronics
7-2 Partial Block Diagram
7-2-1 Audio Signal Block Diagram
7-2-2 Video Signal Block Diagram

Block Diagram
Samsung Electronics 7-3
7-2-3 Logic Board Block Diagram