Samsung 732N Service Manual
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Samsung 732N Service Manual

Tft-lcd monitor
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See also: User Manual , Manual Del Usuario
SERVICE
TFT-LCD Monitor
LCD-Monitor
Chassis
LS17PEA
LS19PEB
LS19PEA
Manual
Fashion Feature
-Lustrous/Colorful Appearance (Design)
-Integrated UI applied
-Built-in Scaler Sync Separator
-Connectivity :
LS17PEA, LS19PEA - Analog (15p Dsub)
LS19PEB - Analog (15p Dsub),
Dual (24p DVI-D)
-Power Consumption : 17"(34W), 19"(38W)
-DPMS : under 1 W (230Vac)
Model
732N
732NPLUS
932B
932BPLUS
932NPLUS

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Summary of Contents for Samsung 732N

  • Page 1: Service Manual

    LCD-Monitor Chassis Model LS17PEA 732N 732NPLUS LS19PEB 932B 932BPLUS LS19PEA 932NPLUS SERVICE Manual TFT-LCD Monitor Fashion Feature -Lustrous/Colorful Appearance (Design) -Integrated UI applied -Built-in Scaler Sync Separator -Connectivity : LS17PEA, LS19PEA - Analog (15p Dsub) LS19PEB - Analog (15p Dsub), Dual (24p DVI-D) -Power Consumption : 17"(34W), 19"(38W)
  • Page 2 Copyright Trademarks Samsung is the registered trademark of Samsung ©2006 by Samsung Electronics Co., Ltd. Electronics Co., Ltd. All rights reserved. LS17PEA/LS19PEA/LS19PEB and MacMaster Cable This manual may not, in whole or in part, be copied, Adapter are trademarks of Samsung Electronics Co., photocopied, reproduced, translated, or converted to Ltd.

  • Page 3: Table Of Contents

    Contents . Precautions ………………………………………………………………………………………………………………………………………1 1-1 Safety Precautions ……………………………………………………………………………………………………………………… 1-1 1-2 Servicing Precautions …………………………………………………………………………………………………………………… 1-2 1-3 Electrostatically Sensitive Devices (ESD) Precautions ……………………………………………………………………………… 1-2 1-4 Installation Precautions ………………………………………………………………………………………………………………… 1-3 . Product specifications …………………………………………………………………………………………………………………………2 2-1 Fashion Feature…………………………………………………………………………………………………………………………… 2-1 2-2 LS17PEA Specifications ………………………………………………………………………………………………………………… 2-1 2-3 LS19PEB Specifications …………………………………………………………………………………………………………………...
  • Page 4 Contents . Block Diagram …………………………………………………………………………………………………………………………………7 7-1 Power Tree ………………………………………………………………………………………………………………………………… 7-1 7-2 Main Board Part ( LS17PEA, LS19PEA) ……………………………………………………………………………………………… 7-2 7-3 Main Board Part ( LS19PEB) …………………………………………………………………………………………………………… 7-3 7-4 IP Board Part (SMPS Part) ……………………………………………………………………………………………………………… 7-4 7-5 IP Board Part (Inverter Part) …………………………………………………………………………………………………………… 7-5 .
  • Page 5 Samsung Electronics Co.,Ltd. -This Service Manual is a property of Samsung 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Electronics Co., Ltd. Gyeonggi-Do, Korea, 443-742 Any unauthorized use of Manual can be punished Printed in Korea under applicable International and/or domestic P/N : BN82-00138H-02 law.

  • Page 6: Disassembly

    11 Disassembly and Reassembly 11 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LS17PEA/LS19PEB TFT-LCD monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 11-1 Disassembly Cautions: 1.
  • Page 7 11 Disassembly and Reassembly Description Picture Description 4. Remove the marked parts from both sides of the front cover, as shown in the figure below. 5. Remove the marked part from the front cover, as shown in the figure below. Caution: Do not lift the front cover over position (1), which may cause damage to it.
  • Page 8 11 Disassembly and Reassembly Description Picture Description 17" 8. Disconnect cables. (LVDS, INVERTER and FUNCTION cable) LVDS INVERTER FUNCTION 19" LVDS INVERTER FUNCTION 9. Lift up the LCD panel. 10. LCD Panel 11-3...
  • Page 9 11 Disassembly and Reassembly 설 설 명 사 사 진 설명 Description Picture Description 11.Remove screws. 17" (17"=2 screws, 19"=4 screws) 19" 12. Remove 5 screws. 13. Lift up the Bracket Support. 11-4...
  • Page 10 11 Disassembly and Reassembly 설 설 명 사 사 진 설명 Description Picture Description 14. Lift up the Main PCB and IB Board. 17" 15. Main PCB and IB Board 19" 11-2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. 11-5...

  • Page 11: Reassembly

    11 Disassembly and Reassembly 11-3 Stand 11-3-1 Installing the Stand A: Monitor B: Connecting pin Caution When lifting up or moving the monitor, do not lift the monitor upside down while holding only the stand, as C: Stand this may cause the monitor to fall, leading to damage or personal injury.
  • Page 12 11 Disassembly and Reassembly 설 설 명 사 사 진 설명 Description Picture Description 4. Turn the stand so ▽mark on the connecting pin is facing the front. 4. Check the connecting part between the monitor and the stand. 4. Tilt the monitor upwards at an angle of 5 ° to 10°...
  • Page 13 11 Disassembly and Reassembly 11-3-2 Removing the Stand 설 설 명 사 사 진 설명 Description Picture Description 1. Place a soft cloth or cushion on the table and place the monitor with the front facing downwards. 2. Hold the monitor and lean the stand upwards. 3.
  • Page 14 11 Disassembly and Reassembly 설 설 명 사 사 진 설명 Description Picture Description 5. Remove the connecting pin from the stand. 11-9...
  • Page 15 11 Disassembly and Reassembly Memo 11-10...

  • Page 16: Operating Instructions And Installation

    10 Operating Instructions and Installation 10 Operating Instructions and Installation 10-1 Front S19PEB LS17PEA, LS19PEA 1. Menu button 3) Internet Opens the OSD menu. Also use to exit the OSD For working with a mixture of images such as text menu or return to the previous menu.

  • Page 17: Rear

    10 Operating Instructions and Installation 4. Enter button / SOURCE button (LS19PEB) 6. Power button Activates a highlighted menu item. / Use this button for turn the monitor on and off. Push the 'SOURCE', then selects the video signal Power indicator while the OSD is off.

  • Page 18: Connecting The Monitor

    10 Operating Instructions and Installation 10-3 Connecting the monitor (LS17PEA, LS19PEA) ● Rear of Computer ● Rear of Monitor ● New Model Macintosh ● Old Model Macintosh 1. Connect the power cord for your monitor to the power port on the back of the monitor. Plug the power cord for the monitor into a nearby outlet.
  • Page 19 10 Operating Instructions and Installation 10-3-1 Connecting the monitor (LS19PEB) ● Rear of Computer ● Rear of Monitor ● New Model Macintosh ● Old Model Macintosh 1. Connect the power cord for your monitor to the power port on the back of the monitor. Plug the power cord for the monitor into a nearby outlet.

  • Page 20: Main Pcb (Ls17Pea, Ls19Pea)

    12 PCB Layout 12 PCB Diagram 12-1 Main PCB (LS17PEA, LS19PEA) Regulator 3.3 Scaler Regulator 1.8 Flash Memory EEPROM - Analog 12-1...

  • Page 21: Main Pcb (Ls19Peb)

    12 PCB Layout 12-2 Main PCB (LS19PEB) Regulator 3.3 Scaler Regulator 1.8 Flash Memory EEPROM - Digital EEPROM - Analog 12-2...

  • Page 22: Technical Terms

    14 Reference Infomation 14 Reference Infomation 14-1 Technical Terms -TFT-LCD -FINE The "Fine" adjustment is used to adjust visibility by (Thin film Transistor Liquid Crystal Display) ADC(Analog to Digital Converter) controlling phase difference. This is a circuit that converts from analog signal to digital signals.
  • Page 23 14 Reference Infomation user. The frequency of this repetition per second is called Vertical Frequency or Refresh Rate. Unit: Hz Example: If the same light repeats itself 60 times per second, this is regarded as 60 Hz. -Horizontal Frequency The time to scan one line connecting the right edge to the left edge of the screen horizontally is called Horizontal Cycle.

  • Page 24: Pin Assignments

    14 Reference Infomation 14-2 Pin Assignments Sync 15-Pin D-Sub Signal Cable Connector Type Separate Composite Sync-on-green Pin No. Green Green Green + H/V Sync. Blue Blue Blue DDC Return (GND) DDC Return (GND) DDC Return (GND) GND-R GND-R GND-R GND-G GND-G GND-G GND-B...

  • Page 25: Timing Chart

    14 Reference Infomation 14-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer- generated video signals. Table 14-1 Timing Chart VESA Mode VGA2/ VGA3/ 640/75 Hz 800/60 Hz 800/75 Hz 1024/60 Hz 1024/75 Hz 1280/60 Hz...

  • Page 26: Preset Timing Modes

    14 Reference Infomation 14-4 Preset Timing Modes -If the signal transferred from the computer is the same as the following Preset Timing Modes, the screen will be adjusted automatically. However, if the signal differs, the screen may go blank while the power LED is on.

  • Page 27: Panel Description

    14 Reference Infomation 14-5 Panel Description Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LT140X1-002 BN07-00004A BN68-00239H LT150XS-L01 BN07-00009A LT150XS-L01-B BN07-00022A LTM150XS-L02 BN07-00005A LT181E2-132 BN07-00001A LT150XS-T01 BN07-00010A LTM181E3-132 BN07-00019A LT170E2-131 BN07-10001D LT181E2-131 BN07-10001E LTM170E4-L01 BN07-00018A LTM240W1-L01 BN07-00015A LTM213U3-L01 BN07-00016A LTM150XH-L01 BN07-00026A LTM150XH-L03 BN07-00027A LTM150XS-L01...

  • Page 28: Reference Infomation

    14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LTM150XH-L06 BN07-00117A "ZPD Panel code" LTM153W1-L01 BN07-00118A "ZPD Panel code" LTM170WP-L01 BN07-00119A "PVA Panel for NIKE" LTM213U4-L01 BN07-00039A 21.3" NARROW LTA260W1-L01 BN07-00121A VENUS LTA220W1-L01 BN07-00074B "Panel B-level panel code for 22"" TV Panel " LTA320W1-L01 BN07-00108A "Panel for AMLCD 32""...
  • Page 29 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks CLAA170EA07 BN07-00174A "CPT 17"" PSWG panel code derivation? CLAA170EA07 BN07-00174B CPT 17"""" PSWG type new Panel code""" CLAA170EA07 BN07-00174B CPT 17" PSWG type new Panel code TOSHIBA LTM15C419(A) BN07-00002A TOSHIBA LTM15C423(B) BN07-00006A TOSHIBA...
  • Page 30 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks HYUNDAI HT17E11-200 BN07-00049A TN MODE HYUNDAI HT17E11-300 BN07-00093A HT17E11-300 ZPD panel HYUNDAI HT17E11-400 BN07-00094A HT17E11-400 normal panel HYUNDAI HT17E11-400 BN07-00095A HT17E11-400 ZPD panel code HYUNDAI HT17E12 BN07-00096A HT17E12 ( Narow & slim Design ) HYUNDAI HT17E12 BN07-00105A...
  • Page 31 14 Reference Infomation Memo 14-10...

  • Page 32: Fashion Feature

    2 Product Specifications 2 Product Specifications 2-1 Fashion Feature -. Minimalism Design Something New -. Boltless Model (Clean Cut & Soft Surface) -. New Ball Hinge -. Color Variation. White, Black 2-2 LS17PEA Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 17-Inch viewable, 0.264 (H) x 0.264 (V) mm pixel pitch Scanning Frequency Horizontal : 31 kHz ~ 81 kHz (Automatic)

  • Page 33: Ls19Peb Specifications

    2 Product Specifications 2-3 LS19PEB Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 19-Inch viewable, 0.294 (H) x 0.294 (V) mm pixel pitch Scanning Frequency Horizontal : 31 kHz ~ 81 kHz (Automatic) Vertical : 56 Hz ~ 75 Hz (UXGA : 60 Hz) Display Colors 16.7 Million colors Maximum Resolution...

  • Page 34: Ls19Pea Specifications

    2 Product Specifications 2-4 LS19PEA Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 19-Inch viewable, 0.294 (H) x 0.294 (V) mm pixel pitch Scanning Frequency Horizontal : 31 kHz ~ 81 kHz (Automatic) Vertical : 56 Hz ~ 75 Hz (UXGA : 60 Hz) Display Colors 16.7 Million colors Maximum Resolution...

  • Page 35: Spec Comparison

    2 Product Specifications 2-5 Spec Comparison BI17BS / 19BS LS17PEA / LS19PEA / LS19PEB Model Design Frequency Horizontal 30 ~ 81 kHz 30 ~ 81 kHz Vertical 60 ~ 75 Hz 60 ~ 75 Hz Display Color 16,2M colors 16,7M colors PC Resolution 1280 x 1024 / 60 Hz 1280 x 1024 / 60 Hz...

  • Page 36: Option Specification

    2 Product Specifications 2-6 Option Specification Item Item Name CODE.NO Remark Quick Setup Guide BN68-01002C Warranty Card (Not available in all AA68-00371C locations) LS17PEA, LS19PEB: User's Guide, BN59-00585A Monitor Driver, Natural Color software, LS19PEA: MagicTune™ software BN59-00585L D-Sub(15 Pin) BN39-00244B Cable Power Cord 3903-000042...
  • Page 37 2 Product Specifications Memo...

  • Page 38: Alignments And Adjustments

    3 Alignments and Adjustments 3 Alignments and Adjustments This section of the service manual explains how to use the DDC MANAGER JIG. This function is needed for AD board change and program memory (IC110) change. 3-1 Required Equipment The following equipment is necessary for adjusting the monitor: - Computer with Windows 95, Windows 98, or Windows NT.

  • Page 39: Service Function Spec

    3 Alignments and Adjustments 3-6 Service Function Spec. 3-6-1 How to Display Service Function OSD 1. The value for brightness and contrast should be changed to zero. 2. Within 5 seconds, press the (Enter/Source) key. 3. Service function OSD will be displayed. If you want to disable the service function OSD, you will have to power off.
  • Page 40 3 Alignments and Adjustments 3-6-3 How to Control Service Function OSD -After changing the panel or lamp, you must reset service function OSD. -The case of panel change After changing the panel, press the menu key within 5 seconds,. Then, panel Ch. No increases one step and the panel time information is reset to zero. Simultaneously, other information is reset to zero (Upper/Lower lamp, Panel cycle).

  • Page 41: How To Execute Ddc

    1) Run DDC Manager MTI-2050. 2) Select a DDC file name. Progtam : WinDDC BY SAMSUNG ELEC.Co. [Ver:4.65.12V] --- Modify : 20050425 : 732N.ddc or 932B.ddc 3) Insert into DDC Manager Port 1 (analog) and make the DDC input as for the old dual model.

  • Page 42: How To Execute Mcu Code

    3 Alignments and Adjustments 5. Type in the monitor serial number and press Enter. *Repeat this step 2 to 5 times in digital inputs after the analog input. 3-8 How to execute MCU Code 3-8-1 Program Setting - Config Setting 1.
  • Page 43 3 Alignments and Adjustments 3-8-2 Change Batch File Path and DownLoad Code 4. Change the Code's Path to saved Path at your PC. 5. Save the Batch file. 6. Write Batch command "batch batch file name.txt" 7. Click "Execute" Button 8.

  • Page 44: Troubleshooting

    4 Troubleshooting 4 Troubleshooting Notes: 1. Before troubleshooting, setup the PC 's display as below. • Resolution: 1024 x 768 • H-frequency: 61 kHz • V-frequency: 75 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3.

  • Page 45: No Video (Analog)

    4 Troubleshooting 4-2 No Video (ANALOG 17", 19") Check signal cable connection and power. X400 oscillate properly? Replace or check related circuit. Is there R, G, B input at Check input part. R101, R100 and R103? Is there Hsync, Vsync waveform Check IC400 and related circuit.
  • Page 46 4 Troubleshooting WAVEFORMS...

  • Page 47: No Video (Digital)

    4 Troubleshooting 4-3 No Video (DIGITAL LS19PEB) Check signal cable connection and power. Replace or check related circuit. X400 oscillate properly? Is there R, G, B input at Check input part. R100, R101, R102, R103, R104 and R105? Is there waveform Check input part.
  • Page 48 4 Troubleshooting WAVEFORMS...
  • Page 49 4 Troubleshooting...

  • Page 50: Exploded View And Parts List

    5 Exploded View & Parts List 5 Exploded View and Parts List -You can search for updated part codes through ITSELF web site. URL : http://itself. sec. samsung.co.kr 5-1 LS19PEBSBE/EDC Exploded View M0014 M0174 M0013 T0003 M0215 T0514 M0006 M0013...

  • Page 51: Parts List

    5 Exploded View & Parts List 5-2 Parts List Location Code.No Item & Specification Q'ty SA/SNA Remark T0003 BN96-04142Q ASSY COVER P-FRONT;LS19PE (932B),HSD Pan M0215 BN07-00474A LCD-PANEL;M190EG02 V4,Haydn,6bit Hi-FRC, M0174 BN44-00124J IP BOARD;IP-35155A(PV),Pebble,3.0 ~5.0mA M0014 BN94-01300M ASSY PCB MAIN-SEDA,FUCHION PCB;PABBLE* S.N.A T0514 BN61-02784A...

  • Page 52: E E Lectrical Parts List

    6 Electrical Parts List 6 Electrical Parts List 6-1 LS19PEBSBE/EDC Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA Remark LS19PEBSBE/EDC 932B,SAB3/S19P0-LPE,19,LCD-MO,NETHERLAND M0001 BN90-01055J ASSY COVER FRONT;LS19PE (932B),HSD,BLACK S.N.A T0003 BN96-04142Q ASSY COVER P-FRONT;LS19PE (932B),HSD Pan ...3 M0081 6003-000282 SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SW...
  • Page 53 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA Remark M0215 BN07-00474A LCD-PANEL;M190EG02 V4,Haydn,6bit Hi-FRC, M0017 BN91-01890H ASSY CHASSIS-ATZ,W/W;LS19PEBSB(W)*,932B M0081 6003-000282 SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SW M0081 6003-000282 SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SW M0081 6003-001439 SCREW-TAPTITE;BH,+,-,S,M4,L8,ZPC(WHT),SW S.N.A T0562 6046-001013 STAND OFF;M3,L5,Ni PLT,SUM24L,#4-40 S.N.A M0174 BN44-00124J IP BOARD;IP-35155A(PV),Pebble,3.0 ~5.0mA...
  • Page 54 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA Remark ..4 R110 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R110 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R110 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R110 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R110 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R110 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R110 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608...
  • Page 55 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA Remark ..4 R110 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000092 R-CHIP;15Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000092 R-CHIP;15Kohm,5%,1/10W,TP,1608...
  • Page 56 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA Remark ..4 C120 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C120 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C120 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C120 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C120 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C120 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C120 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608...
  • Page 57 CARD-01;TFT LCD,SRC,RUSSIA,S/W,120,W210* S.N.A ...3 ACCESSORY BN63-02368A CLOTH;LS07BTT,SUEDE,0.6,160,120 S.N.A ...3 ACCESSORY BN68-00907A MANUAL FLYER-01,CARD;COMM,SAMSUNG,18 LAN S.N.A ...3 M0215 BN96-04304A ASSY MANUAL P-IB+QSG;932B,732N,-,SyncMas S.N.A ..4 BH68-00376L MANUAL FLYER-06,QSG;LCDQUICK SETUP GUIDE S.N.A ..4 BN59-00585A S/W DRIVER-03,IB;932B,732N,W/W,SyncMaste S.N.A ...3 ACCESSORY BN68-01237A MANUAL FLYER-QSG;COMM,W/W(L12),Mojo 100g S.N.A ...3...

  • Page 58: Overall Block Structure

    13 Circuit Descriptions 13 Circuit Descriptions 13-1 Overall Block Structure Power Tree 13-1-1 1. When the AD board is in DPMS state: 1.1 The IP has been designed so that it operates with a power consumption of less than 0.6W of. 1.2 The Scaler consumes power up to 37mA 1.3 The power to the panel is switched off 2.
  • Page 59 13 Circuit Descriptions Main Board Parts 13-1-2 LS17PEA, LS19PEA LS19PEB 13-2...
  • Page 60 13 Circuit Descriptions 1. Inverter: A conversion device that converts DC 6. SCALER & EEPROM: I2C is a two-way serial rated voltage/current to high ones necessary bus of two lines that supports communications for the panel lamp. across the integrated circuits as well as between FLASH and EEPROM.
  • Page 61 13 Circuit Descriptions 13-1-3 IP BOARD BLOCK(POWER) Parts 13-1-4 IP BOARD BLOCK( INVERTER ) Parts 13-4...
  • Page 62 13 Circuit Descriptions 13-1-5 IP BOARD ( inverter ) PROTECTION Parts Pebble INVERTER CONTROLER FAN7310 have 2-way of the PROTECTION MODE. 1. OVP[Over Voltage Protection] : If the Voltage of the series capacitors C10 & C15 is over the 2.0V, the Inverter latched-off.[See the Picture1] 2.

  • Page 63: Trouble Shooting

    13 Circuit Descriptions 13-2 Trouble Shooting 13-2-1 IP BOARD(Power) Power On Change FUSE Check fuse 3 pin of FDM0565R Check the Vcc system Vcc system in normal: HIGH 1 pin of FDM0565R Check the drain system Check the main switching Normal: Switching Check the Check the...
  • Page 64 13 Circuit Descriptions 13-2-1 IP BOARD(Inverter) Power On Check the power system Check the 13V line Check the IC drive 1 and 2 pins of FDM0565R Check MOSFET Check Protection Normal:0.6V~0.8V 1 and 2 pins of FDM0565R Check the OVP and OLR Check Protection circuits Normal:0.6V~0.8V...

  • Page 65: Ip Board(Power) Schematic Diagrams

    13 Circuit Descriptions 13-3 IP BOARD(Power) Schematic Diagrams 13-8...

  • Page 66: Ip Board(Inverter) Schematic Diagrams

    13 Circuit Descriptions 13-4 IP BOARD(Inverter) Schematic Diagrams 13-9...
  • Page 67 13 Circuit Descriptions Memo 13-10...
  • Page 68 1 Precautions 1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings For continued safety, do not attempt to modify the circuit board. Disconnect the AC power and DC power jack before servicing.

  • Page 69: Electrostatically Sensitive Devices (Esd) Precautions

    1 Precautions 1-2 Servicing Precautions WARNING: An electrolytic capacitor installed with the wrong polarity might explode. Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. Note: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions.

  • Page 70: Installation Precautions

    1 Precautions 1-4 Installation Precautions 1. For safety reasons, more than two people are 6. Keep the antenna far away from any high-voltage required for carrying the product. cables and install it firmly. Contact with the highvoltage cable or the antenna falling over may 2.
  • Page 71 1 Precautions Memo...

  • Page 72: Schematic Diagrams (Ls17Pea, Ls19Pea)

    9 Schematic Diagrams 9 Schematic Diagrams 9-1 Schematic Diagrams (LS17PEA, LS19PEA) - This Document can not be used without Samsung s authorization.

  • Page 73: Schematic Diagrams (Ls19Peb)

    9 Schematic Diagrams 9-2 Schematic Diagrams (LS19PEB)

  • Page 74: Wiring Diagram

    8 Wiring Diagram 8 Wiring Diagram 8-1 Wiring Diagram (LS17PEA, LS19PEA) (Connect to inverter Cable) (Connect to LVDS Cable) (Connect to Function Cable) (Connect to D-sub Cable)
  • Page 75 8 Wiring Diagram 8-2 Wiring Diagram (LS19PEB) (Connect to inverter Cable) (Connect to LVDS Cable) (Connect to Function Cable) (Connect to DVI-D Cable) (Connect to D-sub Cable)
  • Page 76 8 Wiring Diagram 8-3 Wiring Diagram (Code No.) 17" LVDS cable: BN96-02854J 19" LVDS cable: BN96-02854H IP board - Main PBA Cable: BP39-00028A...
  • Page 77 8 Wiring Diagram Memo...

  • Page 78: Power Tree

    7 Block Diagrams 7 Block Diagram 7-1 Power Tree...

  • Page 79: Main Board Part ( Ls17Pea, Ls19Pea)

    7 Block Diagrams 7-2 Main Board Part (LS17PEA, LS19PEA)

  • Page 80: Main Board Part ( Ls19Peb)

    7 Block Diagrams 7-3 Main Board Part (LS19PEB)

  • Page 81: Ip Board Part (Smps Part)

    7 Block Diagrams 7-4 IP Board Part (SMPS Part)

  • Page 82: Ip Board Part (Inverter Part)

    7 Block Diagrams 7-5 IP Board Part (Inverter Part)
  • Page 83 7 Block Diagrams Memo...

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