Samsung LE26A41B Service Manual Download

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TFT-LCD TV/MONITOR

Chassis

Model

DU26EO

LE26A41B

DU32EO

LE32A41B

Manual

SERVICE

TFT-LCD TV/MONITOR

CONTENTS

1. Precautions

2. Product Specifications

3. Disassembly & Reassembly

4. Alignment & Adjustments

5. Troubleshooting

6. Exploded View & Parts List

7. Parts List

8. Block Diagram

9. Wiring Diagram

10. PCB Layout

11. Schematic Diagrams

12. Panel Description

Summary of Contents for LE26A41B

Page 1: ... SERVICE TFT LCD TV MONITOR CONTENTS 1 Precautions 2 Product Specifications 3 Disassembly Reassembly 4 Alignment Adjustments 5 Troubleshooting 6 Exploded View Parts List 7 Parts List 8 Block Diagram 9 Wiring Diagram 10 PCB Layout 11 Schematic Diagrams 12 Panel Description ...

Page 2: ...n City Kyungki Do Korea 443 742 Printed in Korea P N BN82 00122B 00 URL http itself sec samsung co kr 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 ...

Page 3: ...ent Test Circuit 4 With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe conduit etc and all exposed metal parts including metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the po...

Page 4: ...d from the AC source and turn the power switch ON Connect an insulation resistance meter 500 V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 6 Always connect a test instrument s ground lead to the instrument chassis ground before connecting the positive lead always remove the instru...

Page 5: ...10 PCB Layout LE26A41B LE32A41B 10 1 10 PCB Layout 10 1 Main PCB Layout X Y ...

Page 6: ...SWITCH 155 1 151 9 IC101 IC A D CONVERTER 65 0 76 5 IC102 IC RECEIVER 28 0 74 8 IC103 IC VIDEO SWITCH 126 6 72 6 IC104 IC POSI FIXED REG 55 2 62 2 IC105 IC VIDEO SWITCH 95 1 69 6 IC106 IC VOL DETECTOR 45 6 68 1 IC201 IC VIDEO PROCESS 120 3 108 2 IC202 IC VIDEO SWITCH 151 5 67 8 IC303 IC SEPARATOR 156 8 108 2 IC405 IC VIDEO PROCESS 118 5 150 4 IC406 IC DRAM 119 4 176 4 IC501 IC VIDEO PROCESS 83 3 1...

Page 7: ...0K RLZ8 2 D034 1 33pF C013 R047 100 C786 100nF R090 100 25V MO 33pF C003 R026 10 C038 100nF CN013 1 2 3 4 5 6 A5V R9801 jack6p_3 10K 1 2 3 4 75 R032 L804 1 1 10W 100 R9778 R788 100 1 10W TP027 TP025 1 C9238 100nF 8 9 MGND1 MGND2 R027 10 2 20 21 22 23 24 3 4 5 6 7 1 10 11 12 13 14 15 16 17 18 19 CN012 TP056 1 C039 100pF 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 IC704 74F163AD REEL C021 100pF C798 100n...

Page 8: ...8 IN OVCC OVCC2 IN 29 OVCC3 IN 43 57 IN OVCC4 OVCC5 IN 78 2 IN PD PD0 IN 9 98 PGND IN 4 IN IN 96 GND IN 5 GND1 IN 39 GND2 IN 68 48 IN HSYNC 40 IN HS_DJTR OCK_INV IN 41 44 IN ODCK OGND IN 19 IN OGND2 28 OGND3 IN 45 AGND 83 IN AGND1 87 IN AGND2 89 IN AGND3 AGND4 IN 92 AVCC IN 82 AVCC1 IN 84 AVCC2 IN 88 95 IN AVCC3 42 IN CTL3 46 IN DE EXT_RES C352 IC102 SII169CT100 79 IN R367 0 47uF R354 5 6K R363 0 ...

Page 9: ...42 47 1 16W 3 3V 3 3V_MD C904 100uF 100 R9755 100nF C443 100nF C911 C447 10uF C409 100nF C438 100nF 20pF C931 100nF C423 C441 100nF 100 R943 16V 10uF C908 8V 47K 2 5V_MD1 R952 R901 100 3 4 10 R965 CN705 slcon4p 1 2 C418 100nF C451 10uF 9 P3_2 24 P3_3 7 RESET 4 TEST_VPP 32 VDD 1 VSS 2 XIN 3 XOUT P1_3_INT1_PWM1 20 P2_0_AD0 10 11 P2_1_AD1 12 P2_2_AD2 13 P2_3_AD3 14 P2_4_AD4 P2_5_AD5 15 P2_6_AD6_SDAT ...

Page 10: ...ODOUT 8 VDD P2005S 08SR IC604 1 XIN CLK 2 XOUT 3 DIV2 VSS 4 U143 1 C681 R645 A3 3V R606 3 3K 100 C628 10nF BLM41P600S BD604 A 1 B 2 WP_ACC C659 DQ8 30 DQ9 32 13 NC OE_ 28 RESET_ 12 15 RY_BY_ 37 VCC VSS_1 27 46 VSS_2 11 WE_ 14 DQ11 39 DQ12 41 DQ13 DQ14 43 DQ15_A_1 45 DQ2 33 35 DQ3 DQ4 38 DQ5 40 DQ6 42 DQ7 44 21 A5 20 A6 19 A7 18 8 A8 7 A9 47 BYTE_ CE_ 26 29 DQ0 DQ1 31 DQ10 34 36 3 A13 A14 2 1 A15 4...

Page 11: ...Z8 2 1 A B 2 3 C 6 3V 120uF CN702 slcon4p 1 2 3 4 1 2 3 4 50V 100pF C9726 INSTPAR L709 L814 C703 82 16 1 5K R9245 10 R826 B C E TP713 1 Q814 2SC2412K Q C704 150nF 1 2 3 R842 10K 1 CN811 slcon3p C818 10nF U191 100 1 16W R733 C757 10uF 1 470nF C776 TP816 50V 1uF C825 4 7uF C749 25V 1 5K R831 TP1015 1 C838 100nF 16V MO 0 R704 MO TP827 1 BLM41P600S A 1 B 2 C747 100nF 16V 1 A B 2 BD811 BD814 BLM41P600S...

Page 12: ..._VSYNC VSS J10 J11 VSS J12 VSS J17 VSS J18 O_SDRAM_ADDR9 J19 O_SDRAM_ADDR8 I_DTV_VSYNC J2 J20 I_BISTMODE0 IO_VDD 3 3V H17 H18 O_SDRAM_ADDR6 H19 O_SDRAM_ADDR5 H2 I_CLK H20 O_SDRAM_ADDR4 I_HSYNC H3 VSS H4 I_DTV_BLU0 G17 O_SDRAM_ADDR3 G18 O_SDRAM_ADDR2 G19 O_SDRAM_ADDR1 I_DTV_BLU1 G2 G20 O_SDRAM_ADDR0 I_DTV_BLU2 G3 G4 IO_VDD 3 3V H1 F1 I_DTV_BLU4 F17 O_SDRAM_nRAS F18 O_SDRAM_nCAS F19 O_SDRAM_nWE F2 I...

Page 13: ...LE26A41B LE32A41B 11 7 11 Schematic Diagrams This Document can not be used without Samsung s authorization 11 7 MAIN POWER 1_INVERTER Schematic Diagram ...

Page 14: ...11 Schematic Diagrams 11 8 LE26A41B LE32A41B This Document can not be used without Samsung s authorization 11 8 MAIN POWER 2_PFC Schematic Diagram ...

Page 15: ...LE26A41B LE32A41B 11 9 11 Schematic Diagrams This Document can not be used without Samsung s authorization 11 9 MAIN POWER 3_MULTI Schematic Diagram ...

Page 16: ...11 Schematic Diagrams 11 10 LE26A41B LE32A41B This Document can not be used without Samsung s authorization 11 10 SUB POWER Schematic Diagram ...

Page 17: ...W 130 W Dimensions W x D x H Set 32 6 x 10 9 x 20 5 Inches 827 0 X 278 X 520mm After installation Stand 38 2 x 12 5 x 22 7 Inches 972 0 X317 0 X 577 5 mm After installation Stand 37 0 x 13 3 x 27 4 Inches 827 5 X 112 5 X504 5 mm Without stand 38 2 x 4 6 x 22 2 Inches 972 0 X 116 0 X 565 0 mm Without Stand Package 37 0 x 13 3 x 27 4 Inches 965 X 338 X 695 mm 44 5 x 16 0 x 22 9 Inches 1130 X 408 X 7...

Page 18: ...ignment Pin No Signal Assignment Pin No Signal Assignment 1 2 3 4 5 6 7 8 9 10 RX2 RX2 GND NC NC DDC Clock SCL DDC Data SDA Analog Vertical Sync RX1 RX1 11 12 13 14 15 16 17 18 19 20 GND NC NC DDC Input Power 5V IDENT_PC 5V RX0 RX0 GND NC 21 22 23 24 NC GND RXC RXC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ...

Page 19: ...1B 2 3 Pin Separate 1 2 3 4 5 GND Y C GND GND RCA Green RCA Blue RCA Red RCA White RCA Red Y GND Pb Cb GND Pr Cr GND Audio L GND Audio R GND 2 2 3 S Video 2 2 2 Component 1 2 RCA White RCA Red CVBS Audio L GND Audio R GND 2 2 4 A V RCA Yellow ...

Page 20: ...ual describes the timing that the computer industry recognizes as standard for computer generated video signals LN P267W LN P327W 47 712kHz 20 959 15 906 5 053 0 000 15 906 0 749 1 702 2 994 Positive 60 015Hz 16 662 16 097 0 566 0 000 16 097 0 063 0 105 0 377 85 500MHz 2 3 1 LCD Panel Mode1 mode ...

Page 21: ...2 Product Specifications LE26A41B LE32A41B 2 5 2 3 1 Supported Modes 1 ...

Page 22: ...2 Product Specifications 2 6 LE26A41B LE32A41B 2 3 1 Supported Modes 2 ...

Page 23: ...ons LE26A41B LE32A41B 2 7 1360 60Hz 1360x768 47 712kHz 20 959 15 906 5 053 0 000 15 906 0 749 1 702 2 994 Positive 60 015Hz 16 662 16 097 0 566 0 000 16 097 0 063 0 105 0 377 85 500MHz 2 3 1 Supported Modes 3 Only LN P327W ...

Page 24: ...2 Product Specifications 2 8 LE26A41B LE32A41B Memo ...

Page 25: ... these components 3 1 LE26A41B Disassembly Cautions 1 Disconnect the monitor from the power source before disassembly 2 Remove the stand and lift up the rear cover 3 Disconnect speaker cable function cable from the shield and remove 18 screws from the shield and lift up the shield 4 Disconnect CN811 connecter LVDS cable inverter cable from the boards 1 Place LCD TV face down on cushioned table Rem...

Page 26: ...d lift up the board 6 Remove 6 screws from the Sub power board and lift up the board 7 Disconnect inverter cable Remove 6 screws from the main power board and lift up the board 8 Remove 8 screws 9 Remove 6 screws from the panel BRKT Remove 16 screws from the cabinet BRKT and lift up the panel ...

Page 27: ... 2 Remove the stand and lift up the rear cover 3 Disconnect speaker cable function cable from the shield and remove 18 screws from the shield and lift up the shield 4 Disconnect CN811 connecter LVDS cable inverter cable from the boards 1 Place LCD TV face down on cushioned table Remove 9 screws from the rear cover Remove 4 screws from grip on the stand and remove the stand ...

Page 28: ... lift up the board 6 Remove 6 screws from the Sub power board and lift up the board 7 Disconnect inverter cable Remove 6 screws from the main power board and lift up the board 8 Remove 13 screws 9 Remove 6 screws from the panel BRKT Remove 14 screws from the cabinet BRKT and lift up the panel ...

Page 29: ... Reassembly LE26A41B LE32A41B 3 5 3 3 Reassembly Reassembly procedures are in the reverse order of dissasembly procedures 8 Lift up the panel Remove 4 screws from the panel BRKT Lelt Right Disconnect BRKT from the panel ...

Page 30: ...Memo 3 Disassembly and Reassembly 3 6 LE26A41B LE32A41B ...

Page 31: ...mpedance matching is essential 4 Avoid overload Excessive signal from a sweep generator might overload the front end of the TV When inserting signal markers do not allow the marker generator to distort test result 5 Connect the TV only to an AC power source with voltage and frequency as specified on the backcover nameplate 6 Do not attempt to connect or disconnect any wire while the TV is turned o...

Page 32: ...NU MUTE INFO T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 4 2 2 Factory Mode Tree The buttons are active in the service mode 1 Remote Control Key Power Arrow Up Arrow Down Arrow Left Arrow Right Menu Enter Number Key 0 9 2 ...

Page 33: ...4 Alignments and Adjustments LE26A41B LE32A41B 4 3 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 ...

Page 34: ...2 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 ...

Page 35: ...4 Alignments and Adjustments LE26A41B LE32A41B 4 5 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 ...

Page 36: ...4 Alignments and Adjustments 4 6 LE26A41B LE32A41B T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 ...

Page 37: ...4 Alignments and Adjustments LE26A41B LE32A41B 4 7 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 ...

Page 38: ...4 Alignments and Adjustments 4 8 LE26A41B LE32A41B ...

Page 39: ...4 T DUO32OPEU 0022 07 22 2004 10 17 54 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 T DUO26OPEU 0033 07 22 2004 10 17 54 T DUO32OPEU 0022 07 22 2004 10 17 54 Unless otherwise specifid do not adjust data in Factory Mode Data may be changed for display improvement ...

Page 40: ...ed for RF PC DVI modes 3 Optimum condition data for each mode are saved as default values Refer to Table 2 3 4 As the RF mode is applied with the same vlaues as for VIDEO and S VIDEO adjustment can be made in any of RF VIDEO and S VIDEO modes Table 4 1 White Balance Setting Conditions 258 44 40 26 25 32 35 289 287 1 5 1 2 0 7 0 8 0 9 Table 4 2 Color Control Default Vlaue Dnie White Balance Table 4...

Page 41: ...3 2 Method of Adjustment 1 Adjust the basic level of DTV and PC input signals a Set the input to the mode in which the adjustment will be made PC Input signal PC Mode Model 21 1024 768 Mode Pattern 16 Picture 4 1 b Enter factory Calibration confirm the ADC data PC Mode Only ADC default value Table 4 3 2 Adjust the white balance of RF DTV and PC Modes a Set the input to the mode in which the adjust...

Page 42: ... x and blue offset y to the color coordinates Do not adjust green offset data d Adjust the high light Refer to table 1 2 in adjustment position by mode Adjust red gain x and blue gain y to the color coordinates Do not adjust the green gain and sub contrast Y data Picture 4 2 Toshiba ABL Pattern Picture 4 3 Toshiba ABL Pattern Low light Measurement point High light Measurement point ...

Page 43: ...E26A41B LE32A41B 4 13 4 3 4 PW565 Below figures are for contrast adjustment of PW565 IC602 Do not change the data PanelType AMLCD 4 3 3 Option Table The default settings are most recommended for Option Data Each data may be adjusted ...

Page 44: ...4 Alignments and Adjustments 4 14 LE26A41B LE32A41B 4 3 5 VPC 3230 MAIN Data may be adjusted 4 3 6 ADC Adjust the R Pr G Y B Pb gain and offset to the basic level of DTV and PC Input signals ...

Page 45: ...amp 128 Step 3 White 16 4 White 240 5 Color Bar 6 RGB Ramp 32 Step 4 3 10 Check sum XXXX Displays the current check sum size of the MICOM Varies depending on program update 4 3 11 Reset Initializes the data in the MICOM Set to default value Use Reset to restore adjustmints made in Factory Mode to the original settings 4 3 12 T_NPL26PEU_0130 03 08 2004 18 34 23 Displays the MICOM program version 4 ...

Page 46: ... Cable to execute Program Update Refer to the Picture 4 4 attachment 3 After completing the JIG Cable connection store Update practice program hex file 3EA in new folder guiR romcode factoryGui 4 Click FlashupgradNT exe icon 2 times and execute it Upgrader OSD screen is marked 5 Select OFull inf in Flash flaher romcode guir factorygui items look in Files To Picture 4 4 Picture 4 5 ...

Page 47: ...gain 10 Program Update is completed 3 2 1 4 Attachment Picture 4 7 JIG Cable Connection Explain 1 Connect with PC Pattern Generator s output Connect only when you want to see PC screen 2 Connect with JIG Output 15 pins and PC Input PC DVI 24 pins terminal 3 Connect with COM Port1 of PC 9 Pins 4 Connect 14V 4 5A Adaptor Cable 6 Click the Flash that is under right of OSD screen if warning message co...

Page 48: ...4 Alignments and Adjustments 4 18 LE26A41B LE32A41B Memo ...

Page 49: ...r DC 5V 3 3V 2 5V 9VS A1 8V appear at C831 C835 C850 C895 C884 Check a IC811 IC812 IC813 IC606 IC818 Change a main PCB ass y BN94 00539A Yes Does proper DC 33V 1 2V_SNI_D 1 2V_SNI_PLL 3 3V_SNI_D 3 3_SNI_PLL 3 3V_MD 2 5V_MD1 MDIN_APLL MDIN_DPLL appeart at C827 C865 C878 C551 C570 C416 C429 C447 C451 Check a IC812 IC815 IC817 FT522 FT512 FT406 FT407 FT410 FT411 Change a main PCB ass y BN94 00539A Ye...

Page 50: ... IC101 Change a main PCB ass y BN94 00539A Yes Does the digital data appear at output of RA605 RA606 RA608 RA611 RA613 RA615 Check a IC602 IC601 Change a main PCB ass y BN94 00539A Yes Does the digital data appear at output of RA512 RA514 RA516 RA518 RA520 RA521 Check a IC501 Change a main PCB ass y BN94 00539A Yes Does the digital data appear at output of FT516 FT520 Check a IC515 Change a main P...

Page 51: ...eshooting LE26A41B LE32A41B 5 3 WAVEFORMS 1 R G B Output Signal 54 48 43 Of IC101 2 R G B Output Signal Of IC101 3 Output Digital Signal of IC602 4 Output Digital Signal of IC501 5 Digital Output Data of IC515 ...

Page 52: ...9A Yes Does the digital data appear at output of RA605 RA606 RA608 RA611 RA613 RA615 Check a IC602 IC601 Change a main PCB ass y BN94 00549A Yes Does the digital data appear at output of RA512 RA514 RA516 RA518 RA520 RA521 Check a IC501 Change a main PCB ass y BN94 00549A Yes Does the digital data appear at output of FT516 FT520 Check a IC515 Change a main PCB ass y BN94 00549A Yes Check a LVDS ca...

Page 53: ...ng LE26A41B LE32A41B 5 5 WAVEFORMS 3 Output Digital Signal of IC602 4 Output Digital Signal of I501 5 Digital Output Data of IC515 6 Signal of DVI_RX 0 2 Data 6 1 Signal of DVI_RXC CLK 7 Digital Output Signal Of IC102 ...

Page 54: ... C Check a IC405 and IC406 Change a main PCB ass y BN94 00549A Yes Does the digital data appear at output of RA605 RA606 RA608 RA611 RA613 RA615 Check a IC601 IC602 Change a main PCB ass y BN94 00549A Yes Does the digital data appear at output of RA512 RA514 RA516 RA518 RA520 RA521 Check a IC501 Change a main PCB ass y BN94 00549A Yes Does the digital data appear at output of FT516 FT520 Check a I...

Page 55: ...5 Troubleshooting LE26A41B LE32A41B 5 7 WAVEFORMS 3 Output Digital Signal of IC602 4 Output Digital Signal of IC501 5 Digital Output Data of IC515 8 Tuner_CVBS Output Signal ...

Page 56: ...5 Troubleshooting 5 8 LE26A41B LE32A41B 9 Analog Signal Y C to IC201 10 3230 Y C_OUT 0 7 Data WAVEFORMS 11 Digital Output Y C_OUT 0 7 Data Of IC405 ...

Page 57: ... and IC406 Change a main PCB ass y BN96 00549A Yes Does the digital data appear at output of RA605 RA606 RA608 RA611 RA613 RA615 Check a IC601 IC602 Change a main PCB ass y BN96 00549A Yes Does the digital data appear at output of RA512 RA514 RA516 RA518 RA520 RA521 Check a IC501 Change a main PCB ass y BN96 00549A Yes Does the digital data appear at output of FT516 FT520 Check a IC515 Change a ma...

Page 58: ...5 Troubleshooting 5 10 LE26A41B LE32A41B WAVEFORMS 3 Output Digital Signal of IC602 4 Output Digital Signal of IC501 5 Digital Output Data of IC515 8 Tuner_CVBS Output Signal ...

Page 59: ...5 Troubleshooting LE26A41B LE32A41B 5 11 WAVEFORMS 9 Analog Signal Y C to IC201 10 3230 Y C_OUT 0 7 Data 11 Digital Output Y C_OUT 0 7 Data Of IC405 ...

Page 60: ...output of RA408 409 Y RA416 417 C Check a IC405 and IC406 Change a main PCB ass y BN96 00549A Yes Does the digital data appear at output of RA605 RA606 RA608 RA611 RA613 RA615 Check a IC601 IC602 Change a main PCB ass y BN96 00549A Yes Does the digital data appear at Output of RA512 RA514 RA516 RA518 Check a IC501 Change a main PCB ass y BN96 00549A Yes Power Indicator is off Lamp on no picure No ...

Page 61: ...5 Troubleshooting LE26A41B LE32A41B 5 13 WAVEFORMS 3 Output Digital Signal of IC602 4 Output Digital Signal of IC501 5 Digital Output Data of IC515 9 Analog Signal Y C to IC201 ...

Page 62: ...5 Troubleshooting 5 14 LE26A41B LE32A41B 10 3230 Y C_OUT 0 7 Data 12 SVHS_Y C Input Signal to IC202 11 Digital Output Y C_OUT 0 7 Data Of IC405 WAVEFORMS ...

Page 63: ...adphone jack Yes Yes No Check the DC 8V 9VS 9V of IC703 IC701 Check a IC809 IC606 IC811 and IC810 Change a main PCB ass y BN94 00549A Yes No Does the signal appear at L701 L704 Check a IC701 Change a main PCB ass y BN94 00549A Yes Replace the speaker ass y BN96 01015A L BN96 01016 R No 5 7 No Sound 13 14 15 Connect a sound cable BN39 00148A BN39 00448A control a volume Picture is display no sound ...

Page 64: ...5 Troubleshooting 5 16 LE26A41B LE32A41B WAVEFORMS 13 The Signal are Inputed to IC703 14 DC 8V 15 Output WaveForm ...

Page 65: ...327W 6 1 6 Exploded View and Parts List You can search for updated part codes through ITSELF web site URL http itself sec samsung co kr 6 1 LE26A41B SA SA SA SA SA SNA SNA SNA SNA SNA SNA SA SA SA SA SA SA SA SNA SA SNA SA SA SNA SA SA SA SA ...

Page 66: ...6 Exploded View Parts List LN P267W LN P327W 6 2 LE32A41B 6 2 SA SA SA SA SA SNA SNA SNA SNA SNA SNA SNA SNA SA SA SA SA SA SA SNA SA SNA SA SNA SA SA SA SA SA ...

Page 67: ...N07 00172A ASSY CHASSIS BN91 00808Y ASSY SHIELD BN91 00807X ASSY BOX BN92 01133U ASSY LABEL BN92 01044U REMOCON BN59 00412B ASSY ACCESSORY BN92 01146P ASSY PCB POWER_CH BN94 00443Z ASSY PCB POWER_SUB PCB BN94 00444N Description Code No LE32A41B IF Cable AA39 00039A A V Cable BN39 00057A S Video Cable BN39 00060A COMPONENT Cable BN39 00279A SOUND Cable R L BN39 00148A PC DVI D Cable BN39 00126A PC ...

Page 68: ...7 Parts List 7 2 LE26A41B LE32A41B Memo 7_parts 2004 8 5 3 6 PM 7 2 ...

Page 69: ...8 Block Diagrams LE26A41B LE32A41B 8 1 8 Block Diagram This Document can not be used without Samsung s authorization 8 1 Signal Path Block Diagram ...

Page 70: ...8 Block Diagrams 8 2 LE26A41B LE32A41B Memo ...

Page 71: ...LE26A41B LE32A41B 9 1 9 Wiring Diagrams 9 Wiring Diagram ...

Page 72: ...9 Wiring Diagrams 9 2 LE26A41B LE32A41B Memo ...

Page 73: ... SALES SERVICE Do not hesitate to contact your retailer or service agent if a change in the performance of your product indicates that a faulty condition may be present BN68 00751F 00 ELECTRONICS ON SCREEN MENUS PC DISPLAY PICTURE IN PICTURE PIP TELETEXT This device is a class B digital apparatus LCD TV LE26A41B LE32A41B qxd 9 7 04 11 34 PM Page 1 ...

Page 74: ...LCD TV LE26A41B LE32A41B Owner s Instructions Before operating the unit please read this manual thoroughly and retain it for future reference ON SCREEN MENUS PC DISPLAY PICTURE IN PICTURE PIP TELETEXT ...

Page 75: ...ixed for an extended period of time the amount of light transmission will also remain varied and as a result the borders may leave traces Digital Ready TV When you select the wide screen 16 9 mode to watch an SD grade digital broadcast and the set top box output is 1080i Digital Ready TV When the TV receives HD grade signals and the set top box output is 1080i When you watch a digital HD grade bro...

Page 76: ...borders at the left right and the center of the screen remain fixed for an extended period of time the amount of light transmission will also remain varied and as a result the borders may leave traces When you watch a DVD CD or a video in wide screen 21 9 format on a wide screen 16 9 TV When you connect a computer or a game console to the TV and select the 4 3 screen mode If you connect a DVD play...

Page 77: ...13 Choosing Your Language 14 SETTING THE CHANNELS Storing Channels Automatically 15 Storing Channels Manually 16 Editing the Channels 18 Sorting the Stored Channels 19 Assigning Channels Names 20 Fine Tuning Channel Reception 21 SETTING THE PICTURE Changing the Picture Standard 22 Adjusting the Custom Picture 23 Changing the Colour Tone 24 Changing the Picture Size 25 Freezing the Current Picture ...

Page 78: ...ng up Your PC Software Based on Windows XP 45 Adjusting the PC Screen Automatically 46 Coarse and Fine Tuning of the Image 47 Changing the Image Position 48 Initializing the Image Settings 49 USING THE TELETEXT FEATURE Teletext Decoder 50 Displaying the Teletext Information 50 Selecting a Specific Teletext Page 51 Using FLOF to Select a Teletext Page 52 RECOMMENDATIONS FOR USE Troubleshooting Befo...

Page 79: ... change channels Also press to highlight various items on the on screen menu Without the Remote Control You can turn on TV by using the Channel buttons Power Press to turn the TV on and off Light Detecting Sensor Adjusts brightness of screen automatically by detecting brightness of surrounding environment This sensor works when Brightness Sensor is on Remote Control Sensor Aims the remote control ...

Page 80: ...s An outdoor aerial A cable television network A satellite network Connecting Set Top Box VCR or DVD Connect the VCR or DVD SCART cable to the SCART connector of the VCR or DVD If you wish to connect both the Set Top Box and VCR or DVD you should connect the Set Top Box to the VCR or DVD and connect the VCR or DVD to your set Input Output Specification Power Input Connector SCART 1 SCART 2 Video A...

Page 81: ...er ends to corresponding audio out connectors on the A V device Headphone may be connected to the headphone output on the rear of your set While the headphone is connected the sound from the built in speakers will be disabled Connecting Computer Connect the D Sub cable to PC PC IN on the rear of your set Connect the stereo audio cable to AUDIO PC IN on the rear of your set and the other end to Aud...

Page 82: ... Audio Out of the sound card on your DVD DVI does not support PC function Source Video Horizontal Frequency Vertical Frequency Resolution kHz Hz Lines Source PAL 15 625 50 575 SECAM 15 625 50 575 NTSC4 43 15 734 60 483 NTSC3 58 Except RF 15 704 60 483 DVI 480 60i 15 734 60 483 480 60p 31 469 60 483 576 50i 15 625 50 576 576 50p 31 250 50 576 720 60p 45 000 60 720 1080 50i 28 125 50 1080 1080 60i 3...

Page 83: ...to page 22 Reset When your remote does not work change the batteries and press the Reset button for 2 3 seconds before use STILL Picture freeze Refer to page 26 Set Refer to pages 60 62 SRS WOW selection Refer to page 35 The performance of the remote control may be affected by bright light Television On Off Refer to page 11 Viewing the Remote Control All Functions Except Teletext Selects the TV mo...

Page 84: ...text display Teletext reveal P Teletext next page P Teletext previous page Teletext mode selection LIST FLOF Teletext size selection Teletext store Teletext Function Refer to pages 50 52 for details Teletext cancel Teletext display mix both teletext information and the normal broadcast Teletext sub page ...

Page 85: ...cool dry place if you won t be using the remote control for a long time The remote control can be used up to about 23 feet from the TV Assuming typical TV usage the batteries last for about one year If remote control doesn t work Check the following 1 Is the TV power on 2 Are the plus and minus ends of the batteries reversed 3 Are the batteries drained 4 Is there a power outage or is the power cor...

Page 86: ...ached to the rear of your set If you have purchased this set in the United Kingdom refer to page 59 for further instructions on plug wiring 1 Plug the mains lead into an appropriate socket Result The main voltage is indicated on the rear of your set and the frequency is 50 or 60Hz 2 Press the POWER button on the lower right part of the panel Result The standby indicator lights up on the front pane...

Page 87: ...lure to do this will result in a single digit channel being displayed _ _ _ Used to select a channel numbered ten or over Press this button and enter the two digit channel number Used to increase the volume Used to decrease the volume MUTE Used to switch the sound off temporarily To turn the sound back on press this button again or press the button MENU Used to display the Used to return to the on...

Page 88: ... The message Antenna Input Check is displayed with the OK selected 4 Press the ENTER button Result The following countries are available Belgie Deutschland Espania France Italia Nederland Schweiz Sverige UK East Europe Others 5 Select your Country by pressing the or button Press the ENTER button Result The Auto Store menu is displayed with the Start selected 6 Press the ENTER button Result The cha...

Page 89: ...en you start using your set for the first time you must select the language which will be used for displaying menus and indications 1 Press the MENU button Result The main menu is displayed 2 Press the or button to select Setup Result The options available in the Setup group are displayed 3 Press the ENTER button 4 Press the or button to select Language Press the ENTER button Result The available ...

Page 90: ...chweiz Sverige UK East Europe Others 5 Press the ENTER button 6 Press the or button to select Auto Store Press the ENTER button Result The Start is selected 7 Press ENTER button to search the channels The sub menu is changed from Start to Stop with channel search started Result The search will end automatically Channels are sorted and stored in an order which reflects their position in the frequen...

Page 91: ...annel find the correct number by pressing the or button and then press the ENTER button You can also set programme number by pressing number buttons on the remote control 6 Press the or button to select Colour System and then press the ENTER button Select the Colour System required by pressing the or button repeatedly and then press the ENTER button Result The colour standards are displayed in the...

Page 92: ...cans the frequency range until the first channel or the channel that you selected is received on your screen 11 Press the or button to select Store and then press the ENTER button Select Yes by pressing the or button and then press the ENTER button Result The channel and associated programme number are stored 12 Repeat steps 9 to11 for each channel to be stored Channel mode P Programme mode When t...

Page 93: ...yed 3 Press the or button to select Add Delete Press the ENTER button Result The state of current channel is displayed 4 Press the button to select Channel that you wish to Add or Delete Result If the channel that you wish to edit is not in memory the Add is selected and displayed Otherwise if the channel that you wish to edit is in memory the Delete is selected and displayed 5 Press the ENTER but...

Page 94: ...vailable in the Channel group are displayed 3 Press the or button to select Sort Press the ENTER button Result The Prog No Channel and Name are displayed 4 Select the Channel number that you wish to change by pressing the or button repeatedly Press the ENTER button Result The selected Channel number and Name is moved to right side 5 Press the or button to move to the position which you would like ...

Page 95: ...layed 4 If necessary select the channel to be assigned to a new name by pressing the or button Press the ENTER button Result The selection bar is displayed around the name box 5 To Then Select a letter number or symbol Press the or button Move on the next letter Press the button Move back the previous letter Press the button Confirm the name Press the ENTER button The characters available are Lett...

Page 96: ...select Channel Press the ENTER button Result The options available in the Channel group are displayed 3 Press the or button to select Fine Tune Press the ENTER button 4 Press the or button to reach the required setting Press the ENTER button To reset the fine tuning select Reset by pressing or button and then press the ENTER button To return to the previous menu select Return by pressing or button...

Page 97: ...or button to select Picture Result The options available in the Picture group are displayed 3 Press the ENTER button Result The Mode is selected 4 Press the ENTER button again Select the required picture effect by pressing the or button repeatedly Result The following picture effects are available Dynamic Standard Movie Custom You can also display simply by pressing the P MODE Picture Mode button ...

Page 98: ...ess the ENTER button 5 Select the option Contrast Brightness Sharpness Colour to be adjusted by pressing the or button Press the ENTER button Result The horizontal bar is displayed 6 Press the or button to reach the required setting 7 When you are satisfied with the setting press the MENU button to return to the previous menu or press the EXIT button to return to normal viewing If you make any cha...

Page 99: ...ture Result The options available in the Picture group are displayed 3 Press the ENTER button 4 Press the or button to select Colour Tone and press ENTER button Select the required option by pressing the or button repeatedly Result The following options are available Cool2 Cool1 Normal Warm1 Warm2 5 When you are satisfied with your choice press the EXIT button to return to normal viewing ...

Page 100: ... Press the or button to select Size and press the ENTER button 5 Select the required option by pressing the or button repeatedly Press the ENTER button Result The following options are available Auto Wide Wide Panorama Zoom1 Zoom2 4 3 You can select these options by simply pressing the P SIZE Picture Size button on the remote control When the picture size is selected to Auto Wide the PIP feature w...

Page 101: ...ess the ENTER button 4 Press the or button to select DNIe and then press the ENTER button Select the required option by pressing the or button Result The following options are available DNle On DNle Off DNle Demo You can also select these options by simply pressing the DNIe button DNIe On Improved picture mode as demonstrated by DNIe Demo is activated DNIe Off The mode is deactivated and the scree...

Page 102: ...f the sub picture by pressing the or button and press the ENTER button Result The sources are displayed in the following order Blue Green Pink Standard Custom 6 Press the or button to select Detail Control and press ENTER button Select a source of the sub picture by pressing the or button and press the ENTER button Result The sources are displayed in the following order Pink Green Blue Reset 7 Pre...

Page 103: ... available in the Picture group are displayed 3 Press the ENTER button 4 Press the or button to select Dynamic Contrast Press the ENTER button Result The Dynamic Contrast menu is displayed 5 Select On by pressing or button Press the ENTER button 6 When it has finished press the EXIT button to return to normal viewing This function doesn t work when source is in PC mode DNIe is set to off or PIP is...

Page 104: ... the Picture group are displayed 3 Press the ENTER button 4 Press the or button to select Brightness Sensor Press the ENTER button Result The Brightness Sensor menu is displayed 5 Select On by pressing or button Result Brightness on the screen is adjusted automatically according to brightness of surrounding environment 6 When it has finished press the ENTER button to return to the previous menu or...

Page 105: ...n 6 Press the or button to select Source and press ENTER button Select a source of the sub picture by pressing the or button and press the ENTER button Result The sources are displayed in the following order When main picture is set to TV Ext 1 Ext 2 AV S Video only DVI PC can be selected and when main picture is set to DVI PC TV Ext 1 Ext 2 AV S Video can be selected 7 Press the or button to sele...

Page 106: ...wing press the EXIT button Remote control functions while PIP is On Features Description PIP Used to operate On Off function of PIP directly SWAP Used to interchange the main picture and the sub picture When the main picture is in the video mode and the sub picture is in the set mode you might not hear the sound of main picture when pressing the SWAP button after changing the sub picture channel A...

Page 107: ...e increases until you release the button The cursor moves to the right to indicate the volume Press the VOL button to decrease the volume Result A horizontal bar is displayed and the volume decreases until you release the button The cursor moves to the left to indicate the volume Additional sound adjustments are available on your set For further details refer to pages 33 to 37 ...

Page 108: ... as before and the Mute indication disappears Selecting the Sound Mode You can set the sound mode by pressing the DUAL I II button When you press it current sound mode is displayed on the screen If the receiving conditions deteriorate listening will be easier if the mode is set to Mono If the stereo signal is weak and automatic switching occurs switch to Mono Default Automatic change DUAL 1 Automa...

Page 109: ...m You can also select these options by simply pressing the S MODE Sound Mode button on the remote control The sound settings can be adjusted to suit your personal preferences 1 Press the MENU button Result The main menu is displayed 2 Press the or button to select Sound Result The options available in the Sound group are displayed 3 Press the ENTER button 4 Select Equalizer by pressing the or butt...

Page 110: ...f SRS Labs Inc WOW technology is incorporated under license from SRS labs Inc Each broadcasting station has its own signal conditions and so it is not easy for you to adjust the volume every time the channel is changed This feature lets you automatically adjust the volume of the desired channel by lowering the sound output when the modulation signal is high or by raising the sound output when the ...

Page 111: ...nd from the speakers when you connect headphones to the system You can adjust the headphone settings to suit your preferences The following headphones settings are available Volume Balance Bass Treble 1 Press the MENU button Result The main menu is displayed 2 Press the or button to select Sound Result The options available in the Sound group are displayed 3 Press the ENTER button 4 Press the or b...

Page 112: ...esult You can listen to the sound of the sub picture To listen the sound of current main picture set to Main Sub Woofer is a speaker that complements front speaker s reproduction capability of low pitched sound 1 Press the MENU button Result The main menu is displayed 2 Press the or button to select Sound Result The options available in the Sound group are displayed 3 Press the ENTER button 4 Pres...

Page 113: ...NTER button Result The options available in the Setup group are displayed with Time selected 3 Press the ENTER button Result The Time menu is displayed with Clock selected 4 Press the ENTER button 5 To Press the Move to Hour or min or button Set the Hour or min or button 6 When you have satisfied with the setting press the MENU button to return to the previous menu or press the EXIT button to retu...

Page 114: ...on repeatedly and cycle through the preset time intervals 30 60 90 120 150 180 Result The TV automatically switches to standby mode when the timer reaches 0 6 To cancel the sleep timer function select Set by pressing the or button and then select Off by pressing the or button Press the ENTER button 7 Press the EXIT button to return to normal viewing You can set the sleep timer by simply pressing t...

Page 115: ...R button Result The Time menu is displayed with Clock selected 4 Press the or button to select On Timer Press the ENTER button Result The On Timer menu is displayed 5 Set the time channel and volume level at which you wish the set to be switched on To Press the Move to Hour min Prog No and Volume or button Set Hour min Prog No and Volume or button Move to Set or button Select On to enable above se...

Page 116: ... Screen mode to Off 1 Press the MENU button Result The main menu is displayed 2 Press the or button to select Setup Press the ENTER button Result The options available in the Setup group are displayed 3 Press the or button to select Blue Screen Press the ENTER button 4 Press the or button to select On Press the ENTER button 5 Press the EXIT button to return to normal viewing Setting the Blue Scree...

Page 117: ...s available in the Setup group are displayed 3 Press the or button to select Colour Weakness Press the ENTER button 4 Press the ENTER button Press the or button to select On 5 Press the ENTER button Press the or button to select Red Green and Blue Press the ENTER button 6 Press the or button to adjust the Colour Weakness 7 When you are satisfied with the setting press the MENU button to return to ...

Page 118: ... displayed 2 Press the or button to select Setup Press the ENTER button Result The options available in the Setup group are displayed 3 Press the or button to select Melody Press the ENTER button 4 Press the or button to select On Press the ENTER button 5 Press the EXIT button to return to normal viewing Selecting the Melody ...

Page 119: ... AV S Video DVI PC 6 Press the ENTER button 7 Select the required device by pressing the or button repeatedly The following options are available VCR DVD Cable STB HD STB Satellite STB AV Receiver DVD Receiver Game Camcorder DVD Combo DHR PC 8 When you are satisfied with the setting press the MENU button to return to the previous menu or press the EXIT button to return to normal viewing Once you h...

Page 120: ...ung Dealer 1 First click on Control Panel on the Windows start menu 3 When the control panel window appears click on Display and a display dialog box will appear 2 When the control panel window appears click on Appearance and Themes and a display dialog box will appear English 45 4 Navigate to the Settings tab on the display dialog box The correct size setting resolution LE26A41B 1280 X 768 pixels...

Page 121: ...I Digital mode 1 Press the MENU button Result The main menu is displayed 2 Press the or button to select Setup Press the ENTER button Result The options available in the Setup group are displayed 3 Press the or button to select PC Press ENTER button Result The options available in the PC menu are displayed 4 Press the or button to select Auto Adjustment Press ENTER button Result After the PC scree...

Page 122: ... 2 Press the or button to select Setup Press the ENTER button Result The options available in the Setup group are displayed 3 Press the or button to select PC Press ENTER button Result The options available in the PC menu are displayed 4 Press ENTER button again Result The Image Lock menu is selected 5 Press the or button to select Coarse or Fine Press the ENTER button Result The horizontal bar is...

Page 123: ...3 Press the or button to select PC Press the ENTER button Result The options available in the PC menu are displayed 4 Press the or button to select Position Press the ENTER button Result You can adjust the image Position 5 Press the or button to adjust horizontal position Press the or button to adjust vertical position 6 Press MENU button to return to the previous menu or press the EXIT button to ...

Page 124: ...layed 2 Press the or button to select Setup Press the ENTER button 3 Press the or button to select PC Press the ENTER button Result The options available in the PC menu are displayed 4 Press the or button to select Image Reset Press the ENTER button Result You can initialize all image setting to the factory default values 5 Press MENU button to return to the previous menu or press the EXIT button ...

Page 125: ... may be missing Some pages may not be displayed To activate the teletext mode and display the contents page 1 Using the P or P button select the channel providing the teletext service 2 Press the TTX MIX button to activate the teletext mode Result The contents page is displayed It can be redisplayed at any time by pressing the INDEX button 3 To display the actual broadcast simultaneously with the ...

Page 126: ...uence To freeze the display on a given page press the HOLD Press the HOLD button again to resume 3 Using the various display options To display Press the Both teletext information and TTX MIX the normal broadcast Hidden text REVEAL answers to quiz games for example The normal screen REVEAL again A secondary page SUB PAGE by entering its 4 digit number The next page PAGE UP The previous page PAGE D...

Page 127: ...ressing the TTX MIX button 2 Press the coloured button corresponding to the topic that you wish to select The available topics are listed on the status information line Result The page is displayed with additional colour coded information that can be selected in the same way 3 To display the Press the Previous page Red button Next page Green button 4 When you have finished press the CANCEL button ...

Page 128: ...her away Plug your set into a different mains socket Check the direction location and connections of your aerial This interference is often due to the use of an indoor aerial Replace the remote control batteries Clean the upper edge of the remote control transmission window Check the battery terminals Check that the signal cable is firmly connected to the PC or video sources Check that the PC or v...

Page 129: ... anchors on each hole on the wall Connect wall bracket to the wall with wood screws after fitting anchors into the wall bracket Note If the bracket is not firmly fixed to the wall LCD TV can fall off 2 Turn the power off and unplug the power cord from the outlet Place the TV faced down on a soft cloth or cushion on a table Remove the four screws from the back of the TV Separate the stand from the ...

Page 130: ... the Kensington lock to a desk or a heavy stationary object The Kensington lock is a device used to physically fix the system when using it in a public place The locking device has to be purchased separately The appearance and locking method may differ from the illustration depending on the manufacturer Please refer to the manual provided with the Kensington lock for proper use Figure 2 Figure 1 C...

Page 131: ...gnal 0 7 Vp p 75 ohm 0 7 Vp p 75 ohm TV Colour System PAL SECAM NTSC 4 43 PAL SECAM NTSC 4 43 Sound System BG DK I L BG DK I L Video Colour System PAL NTSC SECAM PAL NTSC SECAM Video System CVBS S VHS RGB CVBS S VHS RGB SCART 1 Video Input Output 1 0 Vp p 75 ohm 1 0 Vp p 75 ohm RGB Input 0 7 Vp p 75 ohm 0 7 Vp p 75 ohm Audio Input Output 500mVrms 500mVrms SCART 2 Video Input Output 1 0 Vp p 75 ohm...

Page 132: ... Both screen position and size will vary depending on the type of PC monitor and its resolution The table below shows all of the display modes that are supported Mode Resolution Horizontal Vertical Pixel Clock Sync Polarity Frequency kHz Frequency Hz Frequency MHz H V MAC 640 x 480 35 000 66 667 30 240 832 x 624 49 726 74 551 49 500 IBM 640 x 480 31 469 59 940 25 175 720 x 400 31 469 70 087 28 322...

Page 133: ...o connection 22 Grounding 23 Rx C 24 Rx C DVI D Connector Pin Separate H V Composite H V 1 Red R Red R 2 Green G Green G 3 Blue B Blue B 4 Grounding Grounding 5 DDC return Grounding DDC return 6 Grounding Red R Grounding Red R 7 Grounding Green G Grounding Green G 8 Grounding Blue B Grounding Blue B 9 No connection No connection 10 Grounding Sync Self test Grounding Sync Self test 11 Grounding Gro...

Page 134: ...safety approved extension lead or consult your dealer for assistance However if there is no alternative to cutting off the plug remove the fuse and then safely dispose of the plug DO NOT connect the plug to a mains socket as there is a risk of shock hazard from the bared flexible cord IMPORTANT The wires in the mains lead are coloured in accordance with the following code BLUE NEUTRAL BROWN LIVE A...

Page 135: ...re that the VCR LED is illuminated 3 Press the SET button on your TV s remote control 4 Using the number buttons on your remote control enter three digits of the VCR code listed on page 63 of this manual for your brand of VCR Make sure you enter three digits of the code even if the first digit is a 0 If more than one code is listed try the first one 5 Press the POWER button on the remote control Y...

Page 136: ...able box Make sure you enter three digits of the code even if the first digit is a 0 If there is more than one code listed try the first one 5 Press the POWER button on the remote control Your cable box should turn on if your remote is set up correctly If your cable box does not turn on after set up repeat steps 2 3 and 4 but try one of the other codes listed for your brand of cable box If no othe...

Page 137: ...of the code even if the first digit is a 0 If there is more than one code listed try the first one 5 Press the POWER button on the remote control Your DVD should turn on if your remote is set up correctly If your DVD does not turn on after set up repeat steps 2 3 and 4 but try one of the other codes listed for your brand of DVD If no other codes are listed try each code 000 through 009 Note on Usi...

Page 138: ...17 038 062 065 011 017 023 025 038 039 055 070 011 023 025 039 055 070 073 017 062 084 086 017 038 062 065 017 014 025 042 059 009 014 016 017 037 044 046 063 078 000 011 021 011 014 018 021 027 028 044 052 057 015 036 048 054 026 035 047 017 024 038 062 065 014 022 028 057 058 VCR Codes Brand Hitachi Panasonic Phlips Pioneer RCA Samsung Zenith Code 045 051 054 011 035 047 069 015 016 027 029 034 ...

Page 139: ... AFTER SALES SERVICE Do not hesitate to contact your retailer or service agent if a change in the performance of your product indicates that a faulty condition may be present ELECTRONICS ...

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