Samsung C1235 Service Manual

TFT-LCD TVChassis GBP23SENGBP26SENGBP32SENGBP37SENGBP40SENModel LE23R86BDLE26R86BDLE32R86BDLE37R86BDLE40R86BDManualSERVICETFT-LCD TV Fashion Feature-

2 Product Specifications2-32-3 LE26R86BD Specifications2 Product SpecificationsItemDescription±° ° ° °° ° ° °

9 Schematic Diagrams9-10-This Document can not be used without Samsung ’ s authorization.9-10 PCMCIA & STi5105 Schematic Diagram

9 Schematic Diagrams9-11-This Document can not be used without Samsung ’ s authorization.9-11 DIMMING BOARD Schematic Diagram

10 Operating Instructions and Installation10-110 Operating Instructions and Installation10-1 Front1. SOURCEToggles between all the available inputsour

10-2 Viewing the Connection Panel10 Operating Instructions and Installation10-2- Whenever you connect an external device to your TV, make sure that po

10 Operating Instructions and Installation10-33. Connecting HDMI/DVI- Supports connections between HDMI-connection-enabled AV devices (Set-Top Boxes,

10 Operating Instructions and Installation10-411. Connecting Component Devices (DTV/DVD)- Connect component video cables (optional) to component conne

10 Operating Instructions and Installation10-510-3 Remote Control1. Selects a target device to be controlled by the Samsung remote control (TV, DVD, S

10 Operating Instructions and Installation10-610-4 Installing the Stand1. Place the TV faced down on a soft cloth or cushion on a table.2. Put the sta

11 Disassembly and Reassembly11-111 Disassembly and ReassemblyThis section of the service manual describes the disassembly and reassembly procedures f

11 Disassembly and Reassembly11-23. Remove Screws from the stand BRKT and lift up the stand BRKT.Description Picture Description2. Lift up the rear co

2 Product Specifications2-42-4 LE32R86BD SpecificationsItemDescription±° ° ° °° ° ° °

11 Disassembly and Reassembly11-35. Remove screws from the boards and removescrew from theside connector.Description Picture Description4. Lift up the

11 Disassembly and Reassembly11-4Description Picture Description6. Remove screws and lift up the BRKT

11 Disassembly and Reassembly11-511-2 ReassemblyReassembly procedures are in the reverse order of disassembly procedures.

12 PCB Diagram12-112 PCB Diagram12-1 Main PCB Diagram (Without Card Slot)

12 PCB Diagram12-212-2 Main PCB Diagram (With Card Slot)

13 Circuit Descriptions13-113 Circuit Descriptions13-1 Main Signal Description

13-2 DTV Signal Description13 Circuit Descriptions13-2

13 Circuit Descriptions13-313-3 RF/DTV Tuner (DNOS403MH261B(S)) SPEC.1. Description1-1 Receiving System : Designed to cover all bands in VHF and UHF

13 Circuit Descriptions13-43. General Characteristics3-1 Temperature RangeStorage Temperature : -20~ +80Operation Temperature : 0 ~ +653-2 Test condit

13 Circuit Descriptions13-54-11 Phase Noise (step frequency 166.67kHz for digital)@ 1kHz : -84dBc/Hz typ. -75dBc/Hz max.@ 10kHz : -90dBc/Hz typ. -80d

2 Product Specifications2-52-5 LE37R86BD SpecificationsItemDescription±° ° ° °° ° ° °

13 Circuit Descriptions13-6short echo : 20.5dB max long echo : 21.5dB maxshort delay parameter long delay parameter4-22 Performance in Time-Varying Ch

13 Circuit Descriptions13-75. Electrical Characteristics ( Analog Demodulation )5-1 PIF characteristics

13 Circuit Descriptions13-85-2 AFT Characteristics5-3 Audio characteristics

13 Circuit Descriptions13-9Enhanced ST20 32-bit VL-RISC CPU- 200 MHz, single cycle cache/4 Kbyte instruction cache,/4 Kbyte data cache, 2 Kbyte SRAMUn

13 Circuit Descriptions13-10

13 Circuit Descriptions13-1113-4-3 S29AL032D(Flash Memory) SPEC.

- TFT-LCD(Thin film Transistor Liquid Crystal Display)ADC(Analog to Digital Converter) This is a circuit that converts from analog signal todigital si

14 Reference Infomation14-2- Dot PitchThe image on a monitor is composed of red, greenand blue dots. The closer the dots, the higher theresolution. Th

- CATV"CATV" refers to the broadcasting service offeredat hotels, schools and other buildings through theirown broadcasting system, apart fr

14 Reference Infomation14-414-2-1 DVI-D14-2 Pin AssignmentsNCDDC Input power (+5V)IDENT-DVIOutput Signal (HDCP Control)Rx0-Rx0+GNDNCNCGNDRxC+RxC-13141

2 Product Specifications2-62-6 LE40R86BD SpecificationsItemDescription±° ° ° °° ° ° °

14 Reference Infomation14-5Both screen position and size will vary depending on the type of PC monitor and its resolution.The resolutions in the table

14 Reference Infomation14-614-2-7 Scar t 114-2-8 Scar t 2Pin Signal1 Audio output R2 Audio input R3 Audio output L4 Audio common GND5 Video GND (RGB b

14 Reference Infomation14-714-3 Timing Char tThis section of the service manual describes the timing that the computer industry recognizes as standard

14 Reference Infomation14-814-3-2 Supported Modes (1)

14 Reference Infomation14-914-3-3 Supported Modes (2)

14 Reference Infomation14-1014-3-4 Supported Modes (3)

14-4 Panel Description14 Reference Infomation14-11SEC LT140X1-002 BN07-00004A SA BN68-00239H -SEC LT150XS-L01 BN07-00009A SB -SEC LT150XS-L01-B BN07-0

14 Reference Infomation14-12SEC LTA400W1-L01 BN07-00109A S1 PANEL of AMLCD 40" TVSEC LTM153W1-L01 BN07-00110A S2 Color coordinates change 0.280

14 Reference Infomation14-13SEC LTA260W2-L01 BN07-00185A SPZ AMLCD 26" 16:9 new Panel SEC LTM240M1-L01 BN07-00195A SPH 24" panel with hig

14 Reference Infomation14-14HANNSTAR HSD150MX17-A BN07-00226A NTZ Hannstar 15" slim panel ZPD code derivationTORISAN TM150XG-22L03(A) BN07-00021A

2 Product Specifications2-7LE26R51B / LE32R51B / LE40R51BModelDesignFrequencyHorizontalVerticalDisplay Color30 ~ 61 kHz60 ~ 75 Hz16,777,216 colors30 ~

14 Reference Infomation14-15ACER M170EN05 BN07-00102A AC ZPD Panel code ACER M190EN02 BN07-00170A AMH "AU Monitor 19"" new panel develo

2 Product Specifications2-82-8 Option SpecificationItem Item NameRemote Control&Batteries (AAA x 2)Power CordCleaning ClothStandCover-BottomBN59-0

3 Alignments and Adjustments3-13 Alignments and Adjustments3-1 Service Instruction1. Usually, a color TV-VCR needs only slight touch-up adjustment upo

3 Alignments and Adjustments3-23-2 How to Access Service Mode3-2-1 Entering Factory Mode" "- If you have Factory remote - controlPower OFFPI

3 Alignments and Adjustments3-33-3 Factory Data1. Calibration2. Service3. White Balance4. SVP-UX5. Option Block6. SGTV5810/NTP30007. YC Delay8. Option

3 Alignments and Adjustments3-4NoItem202122232425262728Hotel OptionHotel ModePower On ChannelPower On VolumeMax VolumeLocal Key LockPower On SourceSho

iiCopyright2007 by Samsung Electronics Co., Ltd.All rights reserved.This manual may not, in whole or in part, be copied,photocopied, reproduced, trans

3 Alignments and Adjustments3-53) NR4) RGB Calibration5) ADC Calibration6) Caliration TargetNo1234ItemY_NR_OFFC_NR_OFFY_NR_ONC_NR_ONRange00H~FFH(Y_NR_

3 Alignments and Adjustments3-65. Option Block7) Color Management1) FRC(Micronas)2) FRC2XNoItem Range1234Skin DirectionSkin EnhanceGreen StretchBlue S

3 Alignments and Adjustments3-71234567891011121314151617181920212223242526Pattern SelectBS-OnB-Slope GainB-Tilt MinB-Tilt MaxB-Tilt SlopeLFunc-BasisHf

3 Alignments and Adjustments3-84) Pdp LogicNoItem Range12345678910111213Pattern SrlectData updataData TypeCDC SwCDC Strengh ThBRE SwFRC Repeat ModeFRC

3 Alignments and Adjustments3-98. Adjust9. I2C Check10. W/B MOVIENoItem Range1234567891011Video Mute TimeDynamic ContrastDynamic DimmingDynamic CELNA

3 Alignments and Adjustments3-1011. Checksum 7A7212. Reset13. Spread SpectrunNoItem Range12345678SpectrumDeltaPositiveNegativeSpeedTimeFBE Spectrum

3 Alignments and Adjustments3-113-4 Service Adjustment3-4-1 White Balance - CalibrationIf picture color is wrong, do calibration first.Equipment : CA2

3 Alignments and Adjustments3-123-4-3 Conditions for Measurement1. On the basis of toshiba ABL pattern : High Light level (57 IRE)- INPUT SIGNAL GENER

3 Alignments and Adjustments3-13d) Adjust the high light. (Refer to table 1, 2 in adjustment position by mode)- Adjust red gain ('x') and bl

3 Alignments and Adjustments3-143-5 Software Upgrade3-5-1 How to Update Flash ROM1. Install the Flash DownloaderConnectSet(Service Jack)and Jig Cable

Contents

4 Troubleshooting4-14 Troubleshooting4-1 First Checklist for Troubleshooting1. Check the various cable connections first.- Check to see if there is a

4 Troubleshooting4-24-2-1 No Power4-2 Checkpoints by Error ModeDoes proper DC 13Vappear at JP845?Change a Assy PCB Power.YesYesNoCheck a connection a

4 Troubleshooting4-34-2-2 No Video (Analog PC)Check a PC source and checkthe connection of DSUB cable?Input a analog PC signal andconnected cable(DPMS

4 Troubleshooting4-4WAVEFORMS1R,G,B Output Signal of IC2001

4 Troubleshooting4-54-2-3 No Video (Digital-HDMI)Check the connectionof HDMI cable?Input a HDMI cable.YesDoes the digital data appear atR1333_UX~R1340

4 Troubleshooting4-62Digital Output Data of IC40013Signal of HDMI(Data)

4 Troubleshooting4-74-2-4 No Picture (Tuner_CVBS)Dose the signal appear at R2207?Check a B+ voltage (#3 of Tuner) 5V,change a main PCB ass'yYesDo

4 Troubleshooting4-8WAVEFORMS4Tuner_CVBS Output Signal3CVBS Output Signal

4 Troubleshooting4-94-2-5 No Picture (Video_CVBS)Dose the signal appear atC2101 of IC2001?Check a connection harness.YesDoes the signal appear atOut o

4 Troubleshooting4-10WAVEFORMS4CVBS Output Signal

Contents

4 Troubleshooting4-114-2-6 No Picture (S-VIDEO_Y,C)Dose the Y/C signal appear atC2088, C2091 of IC2001?Check a connection harness.YesYesPower Indicato

4 Troubleshooting4-122Digital Output Data of IC20015Analog Signal(Y,C) to IC2001WAVEFORMS

4 Troubleshooting4-13Does the signal appear atPin #10, #12, #13, #9 (I2S_CLK,I2S_SCLK, I2S_LRCLK,I2S_DATA) of IC1202?Check a connection harness andhea

4 Troubleshooting4-14WAVEFORMS6The Signal are Inputed to IC12027The Signal are Inputed to IC1203

5 Exploded View & Parts List5-15 Exploded View and Parts List- You can search for updated part codes through ITSELF web site.URL : http://itself.s

5 Exploded View & Parts List5-2Location Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-04660B ASSY COVER P-FRONT;23R81,EO(IDTV

5 Exploded View & Parts List5-35-3 LE26R86BDX/LE26R86BCX Exploded ViewT0003T0175M0215T0447M0115M0014M0107M0013M0027

5 Exploded View & Parts List5-45-4 LE26R86BDX/LE26R86BCX Parts listLocation Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-051

5 Exploded View & Parts List5-55-5 LE32R86BDX/LE32R86BCX Exploded ViewT0003M0215T0447M0115M0013M0027

5 Exploded View & Parts List5-65-6 LE32R86BDX/LE32R86BCX Parts listLocation Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-046

1 Precautions1-11-1-1 Warnings1. For continued safety, do not attempt to modify thecircuit board.2. Disconnect the AC power and DC Power Jack befores

5 Exploded View & Parts List5-75-7 LE32R81BX Exploded ViewT0003M0215T0447M0115M0013M0027

5 Exploded View & Parts List5-85-8 LE32R81BX Parts listLocation Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-04658V ASSY COV

5 Exploded View & Parts List5-95-9 LE37R86BDX/LE37R86BCX Exploded ViewT0003M0215M0027M0013T0447M0115M0146M0146M0107M0014

5 Exploded View & Parts List5-105-10 LE37R86BDX/LE37R86BCX Parts listLocation Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-0

5 Exploded View & Parts List5-115-11 LE37R81BX Exploded ViewT0003M0215M0027T0447M0115M0014M0146M0146M0013

5 Exploded View & Parts List5-125-12 LE37R81BX Parts listLocation Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-04657A ASSY C

5 Exploded View & Parts List5-135-13 LE40R86BDX/LE40R86BCX Exploded ViewT0003M0215M0027M0013T0447M0146M0146M0107M0014

5 Exploded View & Parts List5-145-14 LE40R86BDX/LE40R86BCX Parts listLocation Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-0

5 Exploded View & Parts List5-155-15 LE40R81WX Exploded ViewT0003M0215M0027T0447M0146M0013M0146

5 Exploded View & Parts List5-165-16 LE40R81WX Parts listLocation Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-04656L ASSY C

1 Precautions1-21-2-1 General Servicing Precautions1. Always unplug the units AC power cord from the ACpower source and disconnect the DC Power Jack

6 Electrical Parts List6-1Level Loc. No. Code No. Description & Specification Q'ty SA/SNALE32R81BX/XEC LE32R81B,N31A/32R80-GBP,32,LCD-TV,SPAI

6 Electrical Parts List6-2Level Loc. No. Code No. Description & Specification Q'ty SA/SNA..2 M0114 BN61-02500A HOLDER-WIRE;NYLON6.6,NATURAL 2

6 Electrical Parts List6-3Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 D1426 0401-001056 DIODE-SWITCHING;MMBD4148SE,1

6 Electrical Parts List6-4Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 D1402 0403-001052 DIODE-ZENER;RD8.2MB,7.7-8.7V

6 Electrical Parts List6-5Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 Q409 0505-000110 FET-SILICON;2N7002,N,60V,115m

6 Electrical Parts List6-6Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R1336_UX 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1

6 Electrical Parts List6-7Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R2014_UX 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1

6 Electrical Parts List6-8Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R1460 2007-000072 R-CHIP;47ohm,5%,1/10W,TP,160

6 Electrical Parts List6-9Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R2285_LCD 2007-000074 R-CHIP;100ohm,5%,1/10W,T

6 Electrical Parts List6-10Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R1820 2007-000082 R-CHIP;3.3Kohm,5%,1/10W,TP,

1. For safety reasons, more than two people are required for carrying the product.2. Keep the power cord away from any heat emittingdevices, as a me

6 Electrical Parts List6-11Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R1204 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1

6 Electrical Parts List6-12Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R2020_UX 2007-000113 R-CHIP;33ohm,5%,1/10W,TP

6 Electrical Parts List6-13Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R1848_1M2M 2007-000309 R-CHIP;10ohm,5%,1/10W,

6 Electrical Parts List6-14Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R2055 2007-001167 R-CHIP;75ohm,5%,1/10W,TP,16

6 Electrical Parts List6-15Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C1303 2203-000189 C-CER,CHIP;100nF,+80-20%,25

6 Electrical Parts List6-16Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C1622 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G

6 Electrical Parts List6-17Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C2317_FBE 2203-000257 C-CER,CHIP;10nF,10%,50V

6 Electrical Parts List6-18Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C1266 2203-000888 C-CER,CHIP;4.7nF,10%,50V,X7

6 Electrical Parts List6-19Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C2016 2203-005065 C-CER,CHIP;1000nF,+80-20%,1

6 Electrical Parts List6-20Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C1301 2203-006361 C-CER,CHIP;10000nF,10%,10V,

2 Product Specifications2-12 Product specifications2-1 Fashion FeatureSupreme Digital Interface & Networking -With a built-in HD digital tuner, it

6 Electrical Parts List6-21Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 T0052 2703-000398 INDUCTOR-SMD;10uH,10%,3225

6 Electrical Parts List6-22Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 T0568 3301-001428 BEAD-SMD;2000ohm,2x1.25x0.8

7 Block Diagrams7-17 Block Diagram- This Document can not be used without Samsung’s authorization

8-18 Wiring Diagrams8 Wiring Diagram8-1 LE23R86BD/LE26R86BD/LE32R86BD/LE37R86BD/LE40R86BD Wiring Diagram1234567891011121314151617181920212223242526272

8 Wiring Diagrams8-28-2 Main Board LayoutPanel controlTUNERBLOCKSVP_UX68BLOCKNTP3000IC AMPSGTV5810SOUND BLOCKSTx5105 DTVDecoderMain MicomCN2201_LCD CN

8-38 Wiring Diagrams8-3 PIN characteristicCN1101 - Main Board power supplyFunction Define- 13V B5V_VCCA, B5V_VCCB, IC611 POWER SUPPERLY- 5V B5V, B3.3V

8 Wiring Diagrams8-4CN1606 - Front controlFunction Define- A5V Front control board poewr supply- KEY INPUT1,2 Key control, from the memu, change up/do

8-58 Wiring DiagramsCN2202-HD LVDS SIGNALPIN123456789101112131415PIN161718192021222324252627282930NAMERxIN0-RxIN0+RxIN1-RxIN1+RxIN2-RxIN2+RxINCLK-RxIN

8 Wiring Diagrams8-68-4 Connector Location and PCB outline figure CNI803 14PINCNI802 14PIN1111CNM801 24PINCNM804 5PINAC INPUTCN801 ¡Ø NOTICE- Comp

8-78 Wiring Diagrams8-5 Output Connector 8-5-1 AC_INPUT connector (CN801)8-5-2 Connector - S (CNM802)PIN Signal1 AC_L2 AC_NCONNECTOR-HEADER, 2P, 7.92

ItemDescription2 Product Specifications2-22-2 LE23R86BD Specifications±° ° ° °° ° ° °

8 Wiring Diagrams8-88-5-4 Image_Analog (CNM801)CONNECTOR-HEADER(STRAIGHT) 24P, 1R, 2.0MM PITCH STRAIGHTINSULATOR : NYLON66(UL 94V-0) G10%CONTACT : BR

9 Schematic Diagrams9-19 Schematic Diagrams-This Document can not be used without Samsung's authorization.9-1 Power Schematic Diagram

9 Schematic Diagrams9-2-This Document can not be used without Samsung ’ s authorization.9-2 Sound Processing Schematic Diagram

9 Schematic Diagrams9-3-This Document can not be used without Samsung ’ s authorization.9-3 Input & Output Jack I Schematic Diagram

9 Schematic Diagrams9-4-This Document can not be used without Samsung ’ s authorization.9-4 Input & Output Jack II Schematic Diagram

9 Schematic Diagrams9-5-This Document can not be used without Samsung ’ s authorization.9-5 MICOM Schematic Diagram

9 Schematic Diagrams9-6-This Document can not be used without Samsung ’ s authorization.9-6 SVP-UX (Scaler) Schematic Diagram

9 Schematic Diagrams9-7-This Document can not be used without Samsung ’ s authorization.9-7 DDR & Tuner Schematic Diagram

9 Schematic Diagrams9-8-This Document can not be used without Samsung ’ s authorization.9-8 DTV Reset & AV out Schematic Diagram

9 Schematic Diagrams9-9-This Document can not be used without Samsung ’ s authorization.9-9 DTV Memory & STi5105 Schematic Diagram