Samsung PS42E7SX User manual

PDP-TELEVISION
Chassis : D74A(P_Europe_42SD)_Audi
Model : PS42E7SX/XEC
PDP-TELEVISION FEATURES
■■DTV Ready PDP TV
■Supreme Picture Quality
Supreme Convenience Quality
■■RF, HDMI, PC(Analog),
2 Component, 2 Video, S-Video
■Slim line design
■■Energy Saving
SERVICE Manual
PS-42E7S

This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
©Samsung Electronics Co., Ltd. Apr. 2006
Printed in Korea
AA82-03734A

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
■2-4 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Chapter 3Alignment &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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
■3-6 Replacements & Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Chapter 4 Exploded View & Part List
■4-1 PS42E7SX/XEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Chapter 5 Electrical Part List
■5-1 PS42E7SX/XEC Service Item . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Chapter 6 Troubleshooting
■6-1 First Checklist for Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
■6-2 Checkpoints by Error Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
■6-3 Troubleshooting Procedures by ASS'Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Chapter 7 Block Diagram
■7-1 Overall Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
■7-2 Partial Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Chapter 8 Wiring Diagram
■8-1 Overall Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
■8-2 Partial Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

Chapter 9 PCB Diagram
■9-1 Main Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
■9-2 Power & IR Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
■9-3 Function Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
■9-4 Side AV Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
■9-5 Main SMPS Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
■9-6 DC-DC SMPS Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
■9-7 PDP Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
Chapter 10 Schematic Diagram
■10-1 Analog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
Chapter 11 Operation Instruction & Installation
■11-1 Product Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
■11-2 Installation Notes and Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4
Chapter 12 Disassembly & Reassembly
■12-1 Overhaul Disassembly & Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Chapter 13 Circuit Description
■13-1 Power ON/OFF Signal Timing Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
■13-2 Partial Block Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2
Chapter 14 Reference Information
■14-1 Other issues related to other products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-1
■14-2 Technical Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3

Block Diagram
Samsung Electronics 7-1
7. Block Diagram
7-1 Overall Block Diagram
YPulse
Generator
Row
Driver
Vcc 3V3 Va Vs
Vset Vsc Ve
DRAM
Display
Data
Driver
Timing Controller
Driver
Timing
Scan
Timing Column Driver
Reference
- 3V3 : Voltage for Logic Control
- Vcc : Voltage for FET driver
- Va : Voltage for address pulse
- Vs : Voltage for sustain pulse
- Vsc : Voltage for scan pulse
- Ve : Voltage for X ramp pulse
- Vset : Voltage for Y ramp pulse
LOGIC CONTROL
DRIVER CIRCUIT & PANEL
Input Data Processor
Data Controller
XPulse
Generator
LVDS
Interface
DCLK
DEN
R-Data
8,10,12 or 13Bits
G-Data
8,10.12 or 13Bits
B-Data
8,10,12 or 13Bits
HSYNC
HSYNC
Micom
Image Scaler +
Video Decoder
852 x 480 Pixels
852 x 3 x 480 Cells

Block Diagram
7-2 Samsung Electronics
CN804-1(Main SMPS)
↔
CN102(Main Board)
Pin No. Signal
1 5.3V
2RTN
3 N/C
4 N/C
5RTN
6RTN
7 12V
8 PS_ON
9RTN
10 STBY
11 FAN_ON
12 FAN_D
CN803(Main SMPS)
↔
CN101(Main Board)
Pin No. Signal
1 6.5V
2RTN
3 12V
4RTN
5 18Vamp
6 18Vamp
7 RTN_amp
8 RTN_amp
9 Vt
10 RTN
CN810(Main SMPS)
↔
CN2013(Logic Board)
Pin No. Signal
1 STBY
2 VS_ON
3 N/C
4 PS_ON
5RTN
6 5.3V
7RTN
8RTN
9 5.3V
10 5.3V
CN2(DC-DC SMPS)
↔
CN5007(Y B'D)
Pin No. Signal
1 Vs
2 Vs
3RTN
4RTN
5 Vset
6RTN
7 Vscan
8RTN
9 Vg
10 D5.3V
CN4(DC-DC SMPS)
↔
CN4001(X B'D)
Pin No. Signal
1 D5.3V
2 Vg
3RTN
4RTN
5Ve
6RTN
7RTN
8 Vs
9 Vs
CN6(DC-DC SMPS)
↔
CN2509(E-Buffer)
Pin No. Signal
1RTN
2 N.C
3 D5.3V
4 N/C
5Va

Block Diagram
Samsung Electronics 7-3
CP
2/1oediV
2/1tnenopmoC
TRAU 3223XAM
oediV.SediS
IMDH
FIS
renuTFR
renuTANA renuTANA
ecivreS
P.H
saseneR 02603M yromeMhsalF niP441 MARK61
XPPVS )AGPF-652(
bmoCD3 redoceDitluM recalretni-eD relacS tuOSDVL tuptuOAGXW )omeD(eIND /noitpaC 5.2XTT
IMDH ssecorptib01
)BM61(RDD D832362D4K
MORPEE
EBL DS()
SDVL xT tib21
W01
ssecorPoiduA 7528VTS )sm021(cnySpiL
pmAP.H 0507ADT
pmAoiduA W313ATS
oiduAWS 2504CH
7-2 Partial Block Diagram
7-2-1 Audio/Video Signal Block Diagram
7-2-2 DC-DC SMPS Block Diagram
Control
and
Switching Block
Control
and
Switching Block
Control
and
Switching Block
Transformer
Transformer
Transformer
Auxiliary
Power
Auxiliary
Power
Auxiliary
Power
Rectification
Block
Rectification
Block
Rectification
Block
Feedback
Block
Feedback
Block
Feedback
Block
Vs Input Part Vscan Output
Vset Output
Ve Output

Block Diagram
7-4 Samsung Electronics
7-2-3 Module Driver Board Block Diagram
1. Y Drive Board
2. X Drive Board

Block Diagram
Samsung Electronics 7-5
7-2-4 Logic Board Block Diagram
60 Pin Connector FM75
30 Pin Connector 20 Pin Connector
60 Pin Connector
10 Pin (Power)31 Pin LVDS
DDR
(MA)
R,G,B : 24bit
CLK 1, 2
BLK, POC, STB
R,G,B : 24bit
CLK 1, 2
BLK, POC, STB
DATA : 32bit
ADDR : 12bit
DQS, CLK, nCLK
RELAY_EINT
Vs-ON X-MAIN CONTROL
SIGNAL
Y-MAIN
CONTROL
SIGNAL
LVDS SIGNAL
(8~12bit)
TX, RX
SCL, SDA
DRIVE
nRESET
5 Pin (uart)
ASIC
DDR
(FA)
DRIVE
RESET
7-2-5 PowerBlock Diagram

7-6 Samsung Electronics
MEMO

Wiring Diagram
Samsung Electronics 8-1
8. Wiring Diagram
8-1 Overall Wiring
CN5401
CN5402
CN5403
CN5404
CN5005
CN5003
CN5001
CN5000
CN5004
Y-DRIVE
Y-BUFFER
4
5
CN2008 CN2004
CN2009
CN804-1 CN803 CN810
CN809
CN3
CN5
CN4
CN2
CN4004 CN4001
CN4002
CN4003
CN2010 CN2011
CN2508 CN2608
CN2612
CN2509
CN741
CN101CN102CN611
CN740
CN1
CN001
CN2609
CN800
SPEAKER
MAIN BOARD
LOGIC BOARD
SMPS-MAIN X-DRIVE
AC-INLET
E-BUFFER F-BUFFER
SMPS
-DC
FUNCTION
1
2
POWER SW
3
78
9
10
11
12
13
14
6
CN330
CN501
CN101
SIDE AV
CN2085
No Assy Code No. Description
-ASSY PDP MODULE P BN96-03073A M1,SPD-42D5SD,D71C,V5.0,1000?588,852?480,NTSC/PAL,42"SD
①ASSY PCB P-SMPS BN96-03052A PS42E7H,100~240V,245*370mm
②ASSY PCB P-SMPS BN96-01856A SPD-50P5HD(DC_DC),200Vin(DC_DC)
③ASSY PDP MODULE P-X MAIN BOARD BN96-03101A M1,PL42SD011A,V5.0,852*480,NTSC/PAL,42",SD,LJ92-01340A
④ASSY PDP MODULE P-Y MAIN BOARD BN96-03102A M1,PL42SD011A,Y-Main board,V5.0,852*480,NTSC/PAL,42 ",SD
⑤ASSY PDP MODULE P-Y MAIN SCAN BUFFER BN96-03103A M1,PL42SD011A,Y-scan buffer,V5.0,852*480,NTSC/PAL,42 ",SD
⑥ASSY PDP MODULE P-LOGIC MAIN BOARD BN96-03106A M1,PL42SD011A,logic main,V5.0,852*480,NTSC/PAL,42 ",SD
⑦ASSY PDP P-ADDRESS E BUFFER BN96-03104A M1,PL42SD011A,address e-buffer,V5.0,852*480,NTSC/PAL,42 ",SD
⑧ASSY PDP P-ADDRESS F BUFFER BN96-03105A M1,PL42SD011A,address f-buffer,V5.0,852*480,NTSC/PAL,42 ",SD
⑨ASSY PCB MISC-MAIN BN94-00933B PS-42E7S,EU,D74A,AUDI
⑩ASSY BOARD P-POWER&IR BN96-02050D Twister,CT5000-3530A,POWER & IR,Core,No LED Holder
⑪ASSY SPEAKER P BN96-02785A 8ohm,Twister,42inch,10W
⑫ASSY BOARD P-SIDE AV BN96-03075A AUDI,SJ05-01-430,SideA/V,42E7, With Bracket Shield
⑬ASSY BOARD P-FUNCTION BN96-02784A TWISTER,CT5000-3850A,FUNCTION,42V6,With Knob
⑭FILTER-EMI AC LINE 2901-001374 250V,6A,UL/SA/VDE,0.15uF/1000pF,50x22.5x37.2mm,BK,AE
※TheASS'Y code can be changed, see "5 Chapter. Electrical Part List."

Wiring Diagram
8-2 Samsung Electronics
8-2-1 PDP Module ↔↔SMPS Wiring
①
CN809(Main SMPS)
↔
CN3(DC-DC SMPS)
Pin No. Signal
1 D5.3V
2 Vg
3RTN
4RTN
5RTN
6RTN
7RTN
8Va
9Va
10 N/C
11 Vs
12 Vs
②
CN2(DC-DC SMPS)
↔
CN5007(Y B'D)
Pin No. Signal
1 Vs
2 Vs
3RTN
4RTN
5 Vset
6RTN
7 Vscan
8RTN
9 Vg
10 D5.3V
③
CN4(DC-DC SMPS)
↔
CN4001(X B'D)
Pin No. Signal
1 D5.3V
2 Vg
3RTN
4RTN
5Ve
6RTN
7RTN
8 Vs
9 Vs
④
CN6(DC-DC SMPS)
↔
CN2509(E-Buffer)
Pin No. Signal
1RTN
2 N.C
3 D5.3V
4 N/C
5Va
⑤
CN810(Main SMPS)
↔
CN2013(Logic B'D)
Pin No. Signal
1 STD_5V
2 VS_ON
3 N/C
4 PS_ON
5RTN
6 D5.3V
7RTN
8RTN
9 D5.3V
10 D5.3V
8-2 Partial Wiring

Wiring Diagram
Samsung Electronics 8-3
8-2-2 Connect Cables
Use SMPS 12P LVDS 31P POWER 10P
Code BN39-00632B BN39-00667D BN39-00675A
Photo
Use POWER 12P EMI ONEPOINT WIRE
Code BN39-00676A BN39-00164E
Photo
※The code number of cable(Lead-connector) can be changed, see "5 Chapter. Electrical Part List."

8-4 Samsung Electronics
MEMO

PCB Diagram
Samsung Electronics 9-1
9. PCB Diagram
9-1 Main Board
No Name Function Description
①SVP-PX Scaler IC Controller
SVPTMPX contains dual-purposed triple 10-bit high-precision and
high speed videoADCs for both PC and video inputs, the high
speed HDMI could support all HDMI inputs up to 135MHz with
HDCP format, the highperformance multi-format 3D digital comb
video decoder that supports NTSC, PAL, and SECAM*, a HDTV
sync separator, motion adaptive de-interlacing engine, and the video
format conversion engine, supporting multi-window display in many
different output modes.
②M30840SGP IC MICOM With a 16-Mbyte address space, this microcomputer combines
advanced instruction manipulation capabilities to process complex
instructions by less bytes and execute instructions at higher speed.
③FBE IC DNIe Image enhancement IC
④TCPS3001PD32S(H) TUNER Tuner CH Tuning
⑤STA323W ICAUDIO-AMP Audio power amplifiers

PCB Diagram
9-2 Samsung Electronics
②
CN804-1(Main SMPS)
↔
CN102(Main Board)
Pin No. Signal
1 5.3V
2RTN
3 N/C
4 N/C
5RTN
6RTN
7 12V
8 PS_ON
9RTN
10 STBY
11 FAN_ON
12 FAN_D
③
CN803(Main SMPS)
↔
CN108(Main Board)
Pin No. Signal
1 6.5V
2RTN
3 12V
4RTN
5 18Vamp
6 18Vamp
7 RTN_amp
8 RTN_amp
9 Vt
10 RTN
①
CN2013(Logic B'D) ↔CN902(Main Board)
Pin No. Signal Pin No. Signal Pin No. Signal
1 GND 12 TXOUT2+ 23 TXOUT0B-
2 GND 13 GND 24 TXOUT0B+
3 TXOUT- 14 GND 25
4 TXOUT+ 15 TXOUTCLK- 26 GND
5 GND 16 TXCLKOUT+ 27 SCL_G
6 GND 17 28 GND
7 TXOUT- 18 29 SDA_G
8 TXOUT+ 19 TXOUT3- 30 GND
9 20 TXOUT3+ 31
10 21 32 GND
11 TXOUT2- 22 33 GND

PCB Diagram
Samsung Electronics 9-3
④
CN740(Main Board)
↔
CN001(Power Button)
Pin No. Signal
1 GND
2 LED
3 ST5V
4 GND
5 KEY_INPUT2
6
7
8 IR_7414
⑤
CN501(Main Board)
↔
Speaker Out
Pin No. Signal
1 SPK_R+
2 SPK_R-
3 SPK_L+
4 SPK_L-
⑥
CN741(Main Board)
↔
CN1(Function Board)
Pin No. Signal
1 KEY_INPUT1
2 KEY_INPUT2
3 GND

PCB Diagram
9-4 Samsung Electronics
Function Key. Located on the side of the unit.
No Loc. No. Description
①RM1 Remote Control Sensor
②SW1 Power Button
③OP1
The Illumination sensor that senses the
quantity of light. It senses the illumination and
automatically adjusts the screen brightness
according to the surrounding brightness when
the Power Saving Mode of the User menu is
set toAuto.
No Loc. No. Description
①CN102 S-VIDEO2 Input Jack
②CN103 AV2 Input Jack
③CN104 Earphone Jack
④CN105 SideAV Connector
9-2 Power & IR Board
9-3 Function Board
9-4 Side AV Board

PCB Diagram
Samsung Electronics 9-5
9-5 Main SMPS Board
①CN800 :AC IN (90 ~ 264V)
※CN811, CN804-2 and CN805, CN806, CN807, CN808 are not used.
②
CN804-1(Main SMPS)
↔
CN102(Main Board)
Pin No. Signal
1 5.3V
2RTN
3 N/C
4 N/C
5RTN
6RTN
7 12V
8 PS_ON
9RTN
10 STBY
11 FAN_ON
12 FAN_D
③
CN803(Main SMPS)
↔
CN101(Main Board)
Pin No. Signal
1 6.5V
2RTN
3 12V
4RTN
5 18Vamp
6 18Vamp
7 RTN_amp
8 RTN_amp
9 Vt
10 RTN
④
CN810(Main SMPS)
↔
CN2013(Logic Board)
Pin No. Signal
1 STBY
2 VS_ON
3 N/C
4 PS_ON
5RTN
6 5.3V
7RTN
8RTN
9 5.3V
10 5.3V
⑤
CN809(Main SMPS)
↔
CN3(DC-DC SMPS)
Pin No. Signal
1 5.3V
2 Vg
3RTN
4RTN
5RTN
6RTN
7RTN
8Va
9Va
10 N/C
11 Vs
12 Vs

PCB Diagram
9-6 Samsung Electronics
9-6 DC-DC SMPS Board
④
CN3(DC-DC SMPS)
↔
CN809(Main SMPS)
Pin No. Signal
1 D5.3V
2 Vg
3RTN
4RTN
5RTN
6RTN
7RTN
8Va
9Va
10 N.C
11 Vs
12 Vs
③
CN5(DC-DC SMPS)
↔
CN2710(F-Buffer)
Pin No. Signal
1RTN
2 N.C
3 D5.3V
4 N.C
5Va
①
CN2(DC-DC SMPS)
↔
CN5010(Y B'D)
Pin No. Signal
1 Vs
2 Vs
3RTN
4RTN
5 Vset
6RTN
7 Vscan
8RTN
9 Vg
10 D5.3V
②
CN4(DC-DC SMPS)
↔
CN4004(X B'D)
Pin No. Signal
1 Vs
2 Vs
3RTN
4RTN
5Ve
6RTN
7RTN
8 Vg
9 D5.3V