Samsung CL-21M40MQ Service Manual Download Page 3

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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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

2-4 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

3-5 Replacements & Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

Chapter 4 Exploded View & Part List

4-1 CL21M40MQGXXAO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Chapter 5 Electrical Part List

5-1 CL21M40MQGXXAO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Chapter 6 Troubleshooting

6-1 Checkpoints by Error Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

6-2 Troubleshooting Procedures by Error Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

6-3 Troubleshooting Procedures by ASS'Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

6-4 Troubleshooting by Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

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 Pin Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

Summary of Contents for CL-21M40MQ

Page 1: ...FRORU WHOHYLVLRQ Fkdvvlv NV F Q PL Prgho FO54P73PTJ DR FRORU WHOHYLVLRQ IHDWXUHV Turbo Sound Sound Equalizer New Structure Design VHUYLFH Pdqxdo CL 21M40MQ ...

Page 2: ... 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 Sep 2006 Printed in Korea AA82 03964A ...

Page 3: ...ow to Access Service Mode 3 2 3 3 Factory Data 3 3 3 4 Service Adjustment 3 6 3 5 Replacements Calibration 3 8 Chapter 4 Exploded View Part List 4 1 CL21M40MQGXXAO 4 1 Chapter 5 Electrical Part List 5 1 CL21M40MQGXXAO 5 1 Chapter 6 Troubleshooting 6 1 Checkpoints by Error Mode 6 1 6 2 Troubleshooting Procedures by Error Modes 6 2 6 3 Troubleshooting Procedures by ASS Y 6 3 6 4 Troubleshooting by B...

Page 4: ...Chapter 9 PCB Diagram 9 1 Main Board 9 1 9 2 CRT Board 9 3 Chapter 10 Schematic Diagram 10 1 Power 10 1 10 2 Micom 10 2 10 3 Audio 10 3 10 4 Side A V CRT Board 10 4 ...

Page 5: ...out insulated transformers the product can only be repaired safely when the chassis is connected to the earthed end of the AC power source To make sure the AC power cord is properly connected follow the instructions below Use the voltmeter to measure the voltage between the chassis and the earthed ground If the measurement is over 1 0V unplug the AC power cord and change the polarity before re ins...

Page 6: ...eplaced with another irregular one the safety or protective features will be lost even if the new one has a higher voltage or more watts Critical safety parts should be bracketed with Use only regular parts for replacements in particular flame resistance and dielectric strength specifications Irregular parts or materials may cause electric shock or fire Precaution 1 2 Samsung Electronics ...

Page 7: ...tc 6 Insulation Check Process Unplug the power cord from the AC source and turn the switch on Connect the insu lating resistance meter 500v to the AC plug blade The insulating resistance between the blade of the AC plug and that of the conductive material should be more than 1 7 Any B interlock should not be damaged If the metal heat sink is not properly installed no connection to the AC power sho...

Page 8: ... for soldering purposes 6 Use only anti static solder removal devices Most solder removal devices do not support an anti static feature A solder removal device without an anti static feature can store enough static electricity to cause damage to the ESD 7 Do not remove the ESD from the protective box until the replacement is ready Most ESD replacements are covered with lead which will cause a shor...

Page 9: ...connecting it to the product This is a measure to protect it from being exposed to moisture Otherwise it may cause a fire or electric shock 5 Make sure to turn the power off and unplug the power cord from the outlet before repositioning the product Also check the antenna cable or the external connectors if they are fully unplugged Damage to the cord may cause fire or electric shock 6 Keep the ante...

Page 10: ...1 6 Samsung Electronics MEMO ...

Page 11: ...A9377PS N3 A Audio Output 10W x 2 Function Melody on off Turbo Sound TDA7297SA Cabinet Front and back cabinet K40 design applied Material HIPS Other Development Level Level 4 ProtoType Model CL21K40MQGXRCL Core Parts Functions TDA9377PS N3 A CVBS Video and Sound Signal Processing Controls the operation of the overall main board TDA7297SA Sound Signal Amplify KA5Q0765RTH YDTU Power Supply TR TUNER ...

Page 12: ... 24 48x19 25x18 58 Weight Kg lbs 25 8 56 6 H W Configuration 21 AK CRT adopted Picture System SECAM NTSC4 43 NTSC3 58 Digital Noise Reduction Sound Sound System Line Stereo Output 10W 10W AVL Melody Auto Stereo Auto Mute Turbo Sound Feature Language Multi Picture Size Zoom 3 4 Auto Program Sleep Timer 180 Min Clock Child Lock Power Comsumption Max power 110W ...

Page 13: ...nd X X Sound Mode 5 Mode 5 Mode Graphic Equalizer Sub Woofer Speaker Auto Volume Leveler Melody On Off Turbo Sound Convenience PIP X X Plug Play Zoom Mode OSD Demo X X OSD Language Multi Multi Previous Channel Closed Caption On Off Timer Sleep Timer Auto Power Off Clock Channel Scan Self diagnostic System X X Remote Control TM75 TM75 Remote Surf X X Channel Labelling X X Blue Screen Rack Voltage V...

Page 14: ...essories Remote Control Batteries AA59 00385A 4301 000121 Samsung Service center Owner s Instructions Safety Guide Manual AA68 03810A AA68 03242F Warranty Card AA68 03727A Accessories that can be purchased additionally Video Cable Audio Cable Internal shopping mall Antenna Cable Component Cable Optical Cable ...

Page 15: ...the purity and the convergence This completes the basic performance examination Notice These adjustments and the check list are only applied to KS9C chassis applied models use 110v for the measurement set It is recommended using an insulation transformer when supplying power to the set so as to prevent shock to the set or to yourself These adjustment specifications have been created on the basis o...

Page 16: ...ed configuration value 1 To enter Service Mode press the keys on the remote control according to the following sequence in Stand by status Info Menu MUTE power On When failing to enter Service Mode repeat the procedure above 2 The initial screen of Service Mode 3 Functions of the Keys within Service Mode ADJUST OPTION G2 ADJUST CHCKSUM RESET T FMTNUS ...

Page 17: ... 5 AGC Adjust 33 6 CDL FIX 9 7 SCT Adjust 10 8 SBT Adjust 7 9 BLR Adjust 28 10 BLB Adjust 43 11 RG Adjust 30 12 GG FIX 32 13 BG Adjust 46 14 SC FIX 29 15 STT FIX 29 16 AKB FIX 0 17 NDL FIX 1 18 NSR FIX 5 19 VOL FIX 10 20 MVOL FIX 7 21 RPO0 FIX 1 22 RPO1 FIX 1 23 CAP FIX 12 24 FMWS FIX 0 25 AGCS FIX 1 26 OMD FIX 15 27 SCL FIX 3 28 PWL FIX 13 29 MUS FIX 1 30 SCBT FIX 40 31 SSP FIX 5 32 DNSR FIX 17 3...

Page 18: ...f Off Turns on automatically when the Master Power is turned ON 5 Audio Mute On On Mutes the Audio when the there is no source signal 6 Start Language English English Preset OSD On Screen Display laguage at time of purchase 7 Hotel Mode Off Off 8 Blue Screen On On Blue Screen when there is no source signal 9 V Chip Off Off 10 AV Option AV1 2 DVD SV AV1 2 DVD Back Jack Option 11 AFN Off Off No Item...

Page 19: ...Alignment Adjustment Samsung Electronics 3 5 ...

Page 20: ...data within the Factory Data the picture size has to be adjusted when replacing Main Board according to the following procedures ྙ Display the Lion pattern ྚ Press Power Off MUTE 1 8 Y Power On using the remote control and enter Factory Mode ྛ Enter Deflection Mode ྜ Adjust the VA VS VSL and HS items so that the width becomes 5 and the height becomes 4 ...

Page 21: ...s other than VA VH and HS so that straight lines are displayed without curves ྜ When the adjustments are complete display the Lion pattern and check that the picture size has not been changed If there is no change finish the adjustments ྛ Adjust the V Linearity and V SC settings so that the intervals of the horizontal lines become uniform ...

Page 22: ...ectronics 3 5 Replacements Calibration 3 5 1 Adjusting the Focus 1 Display the CROSS Hatch pattern 2 Turn the Focus clockwise to the optimal position 3 Slowly turn the Focus clockwise so that the cross line is the most clearly displayed ...

Page 23: ...Adjusting the Screen Voltage 1 Select Power Off MUTE 1 8 2 Power On to enter Service Mode 2 Turn to toshiba pattern 3 Use remocon come into G2 Adjust mode by hand or automatically 4 Turn Screen VR of FBT and confirm the characters below changed to GREEN ...

Page 24: ...ged 8 If you have readjusted Low Light readjust High Light until the two values are identical to the coordinates of the corresponding model White Balance Standard Data 3 5 4 Check List for the Screen Voltage and White Balance Adjustment 1 The Screen Voltage and White Balance are connected each other and both of them have to be configured to the correct values 2 Adjust the White Balance after the S...

Page 25: ...S9C 1 S A M0112 AA63 01506A COVER FRONT 21M40 SAMEX HIPS T2 5 HB GR 1 S N A T0003 AA96 04356A ASSY COVER P FRONT 21M40 HIPS HB GR503 B 1 S A T0022 AA64 04400A KNOB CONTROL 29M40 SAMEX ABS HB SVM3012 1 S N A T0023 AA64 04402A KNOB POWER 21M40 SAMEX ABS HB SVM3012 1 S N A T0057 AA64 70123A BADGE BRAND NEW AL L50 FLAT SILVER SAMSU 1 S N A T0063 AA03 00403A CRT COLOR A51QDX993X 0MG 1 75MH 18MH 3 1 1 S...

Page 26: ... 220nF 5 63V TP 5mm 1 S A C207 2305 000289 C FILM LEAD PEF 220nF 5 63V TP 5mm 1 S A C208 2305 000665 C FILM LEAD PEF 100nF 5 63V TP 7 5x4 0x 1 S A C209 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 1 S A C210 2305 000665 C FILM LEAD PEF 100nF 5 63V TP 7 5x4 0x 1 S A C211 2202 000632 C CERAMIC MLC AXIAL 100nF 20 50V Z5U TP 1 S A C213 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 1 S A C215 2305 00028...

Page 27: ... TP 6 5x3 0x 1 S A C614 2401 000620 C AL 2 2uF 10 50V GP TP 5x11 5 1 S A C615 2401 001026 C AL 3 3UF 20 50V GP TP 5X11 5 1 S A C616A 2401 000493 C AL 10uF 20 50V LZ TP 5x11mm 5mm 1 S A C617 2401 000493 C AL 10uF 20 50V LZ TP 5x11mm 5mm 1 S A C618 2305 000665 C FILM LEAD PEF 100nF 5 63V TP 7 5x4 0x 1 S A C619 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 1 S A C620 2401 001026 C AL 3 3UF 20 50V GP T...

Page 28: ... DIODE RECTIFIER RGP10J 600V 1A DO 41 TP 1 S A D502 0402 001105 DIODE RECTIFIER ERB43 04SV1 400V 1A TS 1 1 S A D503 0402 001105 DIODE RECTIFIER ERB43 04SV1 400V 1A TS 1 1 S A D504 0402 001105 DIODE RECTIFIER ERB43 04SV1 400V 1A TS 1 1 S A D603 0401 000005 DIODE SWITCHING 1N4148 75V 150mA DO 35 T 1 S A D801S 0402 001111 DIODE RECTIFIER 1N5397GP 600V 1 5A TP 1 S A D802S 0402 001111 DIODE RECTIFIER 1...

Page 29: ... A EY410 6042 000002 EYELET ID1 5 OD2 L2 8 NI SN BSP3 1 2H 1 S A EY411 6042 000002 EYELET ID1 5 OD2 L2 8 NI SN BSP3 1 2H 1 S A EY412 6042 000002 EYELET ID1 5 OD2 L2 8 NI SN BSP3 1 2H 1 S A EY413 6042 000002 EYELET ID1 5 OD2 L2 8 NI SN BSP3 1 2H 1 S A EY414 6042 000002 EYELET ID1 5 OD2 L2 8 NI SN BSP3 1 2H 1 S A EY416 6042 000002 EYELET ID1 5 OD2 L2 8 NI SN BSP3 1 2H 1 S A EY417 6042 000002 EYELET ...

Page 30: ...00mA TP 50 1 S N A L2514 3301 001223 BEAD AXIAL 62ohm 3 5x0 8x5mm TP 1 S A L2514 3301 001223 BEAD AXIAL 62ohm 3 5x0 8x5mm TP 1 S A L2514 3301 001223 BEAD AXIAL 62ohm 3 5x0 8x5mm TP 1 S A L2514 3301 001223 BEAD AXIAL 62ohm 3 5x0 8x5mm TP 1 S A L2514 3301 001223 BEAD AXIAL 62ohm 3 5x0 8x5mm TP 1 S A L301 2701 000142 INDUCTOR AXIAL 1UH 10 2534 1 S A L302 2701 000142 INDUCTOR AXIAL 1UH 10 2534 1 S A L...

Page 31: ... 1 8X3 2MM 1 S A R239 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 1 S A R240 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R241 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R242 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R243 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R244 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R245 2001 00...

Page 32: ... A R622 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2MM 1 S A R703 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R704 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R705A 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R706A 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R707 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM 1 S A R707A 2001 000969 R CARBON...

Page 33: ... T0245 0202 001366 SOLDER WIRE FLUX RS60S D1 2 63Sn 37Pb 0 001 S N A T0245 0202 001492 SOLDER WIRE FLUX HSE 02 LFM48 SR 34 S 0 025 S N A T0245 AA39 20620C LEAD CONNECTOR ASSY 9P 500MM YBNH250 09 1 S A T0296 AA27 30003L COIL LINEARITY 73uH DR12x15 0 55mm B 1 S A T0313 3404 000295 SWITCH TACT 12VDC 50mA 160gf 8 4X22 7 SP 1 S A T0313 3404 001252 SWITCH TACT 12VDC 50MA 130GF 7 5X7 1 1 1 S A T0313 3404...

Page 34: ...7 AA65 30105A CLAMPER CORE WIRE ALL MODEL NYLON 66 V2 1 S N A T0175 AA96 00358E ASSY SPEAKER P 8ohm 5W 3001 000274 400 1 S A T0082 3001 000274 SPEAKER 5W 8OHM 90DB 160HZ 2 S A T0245 AA39 00102S LEAD CONNECTOR ASSY 4P 400 600MM 35155 1 S A T0382 BP61 00509C HOLDER CARE PJT ACRYL FOAM T0 25 W20 0mm 0 28 S N A T0382 BP61 00495C HOLDER CARE PJT ACRYL FOAM T0 25 W30 0mm 0 2 S N A ASSY COVER REAR M0002 ...

Page 35: ...MEMO Samsung Electronics 5 10 ...

Page 36: ...ators See table 6 2 1 Basic Troubleshooting LED Diagnosis on the Front Panel In case of a power failure or abnormal screen check the following items 1 Check that the power cord is correctly connected to electrical source equipment 2 Check that the Tact Switch has been pressed 3 Check that the signal cable is properly connected 4 Check that channel setting has been set ...

Page 37: ...trol when in St BY sta tus the screen will be turned on If the LED blinks and the screen is not displayed check the connection between the Power and the Main Board ඡ Light is Blinking Light is Off Troubleshooting Mechanism The System Blcok has the last output terminal TDA9377PS N3 which shows the internal Test pattern The Power Block supplies power to the Deflection Block The System Block receives...

Page 38: ...Troubleshooting Samsung Electronics 6 3 6 3 Troubleshooting Procedures by ASS Y 1 NO Power 2 NO Video ...

Page 39: ...Troubleshooting 6 4 Samsung Electronics 3 NO Sound 4 Fly Back Lion Badness CN603 CN602 CN701A CN401 GT804 GT805 PD801S ...

Page 40: ...oubleshooting Main Board 1 Tuner Diagnosis The RF CTV signal is transmitted to the Tuner of the Main Board If the signal is not received check the following items Power supply 5V 33V Check for RF defects Check the IF CVBS output Check for AUDIO defect Check the SIF Signal output ...

Page 41: ...Troubleshooting 6 6 Samsung Electronics 2 Micom Diagnosis Power supply 3 3V 5V 8V Check for input defects Y C CVBS 480i Y Pb Pr signal ...

Page 42: ...t signal inputs as well as monitor output Video Audio The signals are sent to UOC and the selected signals are output If the signal input or output does not work check the following items Check for input defects Check the Micom input pin Check for output defects Check JA701A for RF AV or JA702 for comp ...

Page 43: ...Electronics 4 TDA7297SA Audio Processor Diagnosis This receives the signal from the MICOM TDA9377PS N3 and outputs the signal in 10W 10W sound Power supply 12 5V Check for input defects AMP R AMP L Check for output defects L L R R ...

Page 44: ...6 9 5 MSP3425G B8 Audio Processor Diagnosis This receives the signal from the Audio Processor TDA9377PS N3 and outputs the signal in TDA9377PS N3 Power supply 12 5V Check for input defects B 8V A 5V Check for output defects DACM_R DACM_L ...

Page 45: ... seconds and then turns the power off by force as it cannot detect the vertical signal 2 CHECK POINT Check that the vertical output voltage is measured in the FBT terminal VCC 16 5v VCC 16 5V If you cannot measure the output voltage check that the collector voltage of the horizontal TR is 1360V If the voltage is measured the problem is a defect in the FBT unit When you don t have an oscilloscope a...

Page 46: ...Block Diagram Samsung Electronics 7 1 7 Block Diagram 7 1 Overall Block Diagram ...

Page 47: ...N O C R E L O R 2 3 6 7 A K T R C F 1 2 O E D I V P M A 7 0 1 6 A D T V 5 2 1 A V 3 1 A B T B F o T P M A d n u o S o T B C O U C O U B G R e v i r D V e v i r D H e r P P M A W A S F I V W S V 8 B V 5 B V 3 3 A E N U T R K C A J k c a B A C R t u O n I N O I T P O C I F I S W S F I S n o i t p O P S M N O I T P O 180V 16 5V F I N I V A T U O V A N O I T P O N O M O 7 2 Partial Block Diagram 7 2 1...

Page 48: ...Wiring Diagram Samsung Electronics 8 1 8 Wiring Diagram 8 1 Overall Wiring power signal AV S IG NAL R G B S IG NAL C R T P O W E R S UP P LY AUDIO S IG NAL E AR S IG NAL ...

Page 49: ... 2 Pin Connection 1 R 1 L 2 R 2 L 3 L 3 GND 4 L 4 R 5 R 1 R 2 G 3 B 4 GND 5 F B 6 GND 7 HEATER 8 HT 9 B 180V 1 V Out 2 GND 3 V In 4 GND 5 L Out 6 R Out TU01S 7 L In 8 R In RCA 9P DVD TO EARPHONE TO SPEAKER TO CRT RGB TO SIDE AV MAIN T U N E R ...

Page 50: ...ich delivers the signal to the headphone CN501A This is a 9 pin port connected to the CRT ASSY which outputs the R G B signal to the CRT ASS Y for display and Power signals to the CRT DRIVE CN701A This is 8 pin port connected to the AV ASSY which receives AV2 external input CN401 This is a 4 pin port connected to the DY and supplies voltage for Deflection GT804 GT805 This is a port connected to th...

Page 51: ...in Name 1 L 2 L 3 GND 4 R 5 R PIN No Pin Name 1 R 2 R 3 L 4 L CN602 Connected to the Side Sound Port PIN No Pin Name 1 R 2 G 3 B 4 GND 5 F B 6 GND 7 HEATER 8 HT 9 B 180V CN501A Connected to the CRT Ass y PIN No Pin Name 1 V Out 2 GND 3 V In 4 GND 5 L Out 6 R Out 7 L In 8 R In CN701A Connected to the AV Ass y ...

Page 52: ...on signal to the CRT 9 2 2 Names Roles of Key Parts GT502 This is a port connected to the TBC Wire and plays the role of CRT ground CN501A This is a 9 pin port to receive the R G B output signals and power from the Main Board 9 2 3 CRT Board Connector Pin CN501A Connects the R G B signal ar for the CRT PIN No Pin NAME 1 R 2 G 3 B 4 GND 5 F B 6 GND 7 HEATER 8 HT 9 B 180V ...

Page 53: ...9 4 Samsung Electronics MEMO ...

Page 54: ...10 Schematic Diagram Samsung Electronics Schematic Diagram 10 1 10 1 Power This Document can not be used without Samsung s authorization TP01 TP02 TP08 TP04 Power Signal TP01 TP02 TP04 TP08 ...

Page 55: ...Schematic Diagram 10 2 Samsung Electronics TP11 TP11 TP10 TP09 TP04 TP12 TP13 10 2 Micom Power Signal This Document can not be used without Samsung s authorization TP04 TP09 TP10 TP11 TP12 TP13 ...

Page 56: ...Samsung Electronics Schematic Diagram 10 3 10 3 Audio Power Signal This Document can not be used without Samsung s authorization ...

Page 57: ...Schematic Diagram 10 4 Samsung Electronics 10 4 Side A V CRT Board Power Signal This Document can not be used without Samsung s authorization ...

Page 58: ...Operation Instruction Installation Samsung Electronics 11 1 11 Operation Instruction Installation 11 1 Product Features and Functions 11 1 1 Front Panel Buttons ...

Page 59: ...Operation Instruction Installation 11 2 Samsung Electronics 11 1 2 Connection Jacks Side ...

Page 60: ...Operation Instruction Installation Samsung Electronics 11 3 11 1 3 Connection Jacks Rear ...

Page 61: ...Operation Instruction Installation 11 4 Samsung Electronics 11 1 4 Remote Control ...

Page 62: ...escription Photo Back Cover ྙ Remove the 5 screws fixing the Back Cover RH B M4 L15 ZPC BLK SWRCH18A ྚ Tap the upper part of the Back Cover 2 or 3 times and pull the Back Cover to separate it from the unit Disassemble the product after disconnecting the power cord and discharge the unit to prevent an electric shock and damage to the product due to static electricity ...

Page 63: ...ard Since there is a clip to connect the Connector Header in the Wire Connector pulling it by force may damage the clip or the connector Press the clip down completely and pull the connec tor ྙ Separate the Side AV Wire from the Front Cabinet and the Main Board Since there is a clip to connect the Connector Header in the Wire Connector pulling it by force may damage the clip or the connector Press...

Page 64: ...sequentially ྙ Separate the Deflection cable from the Main Board pulling it by force may damage the Deflection cable Press the clip down completely and pull the Deflection cable ྙ Separate the cables connecting the FBT and the CRT Since there may be a remaining high voltage current within the CRT take care not to touch the CRT hole with metal or a part of yourself when separating the cables ...

Page 65: ... FBT of the Main Board and the CRT Ass y ྚ To separate the red wires and white wires pull the wires while pressing the push type clip at the connector Take care when separating the wires because pulling the wires by force may damage the socket In addition separate the wires on a flat and clean surface so as to prevent scratching of the material and the PCB ...

Page 66: ... V I2C I2C I2C This chassis is a classic direct view type TV the Ass y is different function parts are in one PCB The Power Block is same as the existing model KS9A The AV signal is input through the AV port and Side AV port of the System Block The signals were processed by MICOM then output This chassis s MICOM is same as KS9A it use UOC CHIP The external port be consists of AV input and output e...

Page 67: ...9 50 60Hz mono and stereo TV sets The integrated microcontroller is supported by a powerful OSD generator with integrated Teletext and CC acquisition ST2001HI Inputed H DRIVE signal which comes from TDA9377PS N3 A It amplify the H DRIVE then output to Deflection Yoke LA78045 Inputed VDP signal which comes from TDA9377PS N3 A It amplify the VDP then output to Deflection Yoke TDA7297SA It is a dual ...

Page 68: ...ung Electronics 13 3 S M P S FBT Audio AMP HEATER CRT HTR Vertical AMP MICOM EEPROM Video AMP IC802 7632 Q804 KSC2073 H2 AMP 13V 13V 125V TUNER 16 5V B 33V B 180V H V SCREEN FOCUS A 5V B 3 3V B 5V A 5V B 8V 13 2 2 Power Block ...

Page 69: ...A9377PS N3 A Trans Switching TRANS SWITCHING CS21S5T 80 280V PM2 PL3 SMPS KA5Q0765RTH YDTU Vertical DEF LA78040N Horizontal DEF ST2001HI 028Y SOUND AMP TDA7297SA SGS TOMSON 10W 10W EEPROM 24C161 SAMSUNG VIDEO AMP TDA6109JF Philips Regulator IC MULTI REG 7632 SIP 10P PLASTIC 3 3 A 5V B 3 3V B 8V Regulator 13 2 3 IC Line Up ...

Page 70: ...the cable is longer than for normal use check the visual quality of the video on the screen and shorten the length if necessary This also applies to the PC RGB D Sub cable When the length of the cable is longer than for normal use video may not be displayed on the screen In this case shorten the cable length When a digitally distributed TV user receives HD rated broadcasts The digital distributed ...

Page 71: ...er or game console through a wide TV by selecting the aspect ratio to normal 4 3 or wide 21 9 the left and right or top and bottom of the picture will not be displayed This symptom appears in other manufacturer s TV s The three appliance companies are trying to resolve the problem through the Ministry of Information and Communication Changing the Order of the Picture Size for 16 9 Display Devices ...

Page 72: ...y the color yellow and the audio ports are dis tinguished by the white left and red colors right External Input External Input is connecting video devices such as a VCR camcorder DTV receiver DVD etc as a video source Satellite Broadcast Satellite Broadcast transmits programs via satellite so that the broadcast is viable in all areas at a high visual and sound quali ty It provides approximately 10...

Page 73: ...14 4 Samsung Electronics MEMO ...

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Summary of Contents for CL-21M40MQ

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Samsung CL-21M40MQ, Service Manual, Page: 3 / 73

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Summary of Contents for CL-21M40MQ

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