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Part No. 1KA6P2P0051--

N4JKT

SEPTEMBER 2007          Reference No.

LCD Monitor
Service Manual

Give complete "SERVICE REF. NO." for parts
order or servicing, it is shown on the rating sheet
on the cabinet back of the TV set.

Note
This TV receiver will not work properly in foreign
countries where the television transmission 
system and power source differ from the design
specifications. Refer to the specifications for the
design specifications

Contents

Safety precautions/Specifications  ..................................................................................................................2
Service Mode/Service Data ........................................................................................................................3~7
HDMI / PC / Component Signal Support Timing List......................................................................................8
Mechanical Disassembly ..........................................................................................................................9~11
Block Diagram ..............................................................................................................................................12
Power Diagram ............................................................................................................................................13
Power and Control Diagram ........................................................................................................................14
RS232 Settings ......................................................................................................................................15~16
Troubleshooting ............................................................................................................................................17
IC Descriptions........................................................................................................................................18~19
IC Block Diagrams........................................................................................................................................................................20~26
Cabinet Parts List ........................................................................................................................................27
Pin description of semiconductors ................................................................................................................28
Electric Parts List ..........................................................................................................................................29

Model CE42LM4WPTC

Service Ref. No. CE42LM4WPTC-00

PRODUCT CODE:

113003920

ORIGINAL VERSION:

Chassis No.

UK4-B

Please use Schematic Diagram 1KA6P2P0052--
inserted with this Service Manual.

CE42LM4WPTC

FILE NO.

Содержание CE42LM4WPTC

Страница 1: ... design specifications Contents Safety precautions Specifications 2 Service Mode Service Data 3 7 HDMI PC Component Signal Support Timing List 8 Mechanical Disassembly 9 11 Block Diagram 12 Power Diagram 13 Power and Control Diagram 14 RS232 Settings 15 16 Troubleshooting 17 IC Descriptions 18 19 IC Block Diagrams 20 26 Cabinet Parts List 27 Pin description of semiconductors 28 Electric Parts List...

Страница 2: ...r system PAL NTSC4 43 PAL NTSC4 43 NTSC3 58 IN AV MODE Receiving channel UHF 21 69 VHF E2 E12 F2 F10 R1 R12 CATV X Y S1 S41 B Q Aerial input impedance 75ohm AV terminal AV1 CENELEC standard INPUT Composite video RGB and Audio L R OUTPUT TV output with composite video and audio L R AV2 BNC INPUT RGB H and V Y Pb Pr and audio L R OUTPUT RGB H and V Y Pb Pr AV3 BNC INPUT Composite video OUTPUT Compos...

Страница 3: ...same time alternatively From Hotel Mode press and hold the green button on the remote control for 3 seconds To select the service item and change data value To select the adjustment item use the 5 or 6 buttons To change the service data use the Volume LEFT or Volume RIGHT buttons The data which is set in the service mode is stored into the memory IC automatically EXAMPLE 000 UK4B 07 45 ITEM NO SEC...

Страница 4: ... 4 N4JKT SERVICE DATA ...

Страница 5: ... 5 N4JKT SERVICE DATA contd 1 ...

Страница 6: ... 6 N4JKT SERVICE DATA contd 2 ...

Страница 7: ... 7 N4JKT SERVICE DATA contd 3 ...

Страница 8: ... 20 81 13 76 97 71 69 65 20 70 40 76 107 72 00 67 19 61 00 60 24 60 00 79 976 62 50 63 370 63 34 63 74 63 79 63 90 60 00 60 18 60 01 59 98 60 01 58 60 75 025 60 00 75 08 75 70 74 92 72 00 60 02 58 30 58 20 54 58 75 00 70 00 60 00 74 00 60 31 60 51 61 03 55 38 51 09 75 00 60 32 56 25 66 60 67 00 74 38 72 81 75 00 60 00 70 09 DOS VGA DOS VGA VESA 60Hz VGA VESA 75Hz VGA VESA 70Hz VGA Mac Mac LC 13 SV...

Страница 9: ...have already disassembled the set This makes the warranty regarding this IP model invalid After finishing the service make the set tamper proof again with silver paint 2 Rear Plate Removal Remove screws A 6 pcs then remove the Terminal Cover Fig 2 Remove screws B 4 pcs then remove the AV Terminal Fig 3 Remove screws D 20 pcs Fig 6 Remove screw C Fig 5 then remove the Rear Plate ...

Страница 10: ... 10 N4JKT Mechanical Disassembly contd ...

Страница 11: ... 11 N4JKT Mechanical Disassembly contd Location if Circuit Board and Electric Parts Note Control Board is fixed on Cabinet Front 3 Chassis and Fan Removal Screw A M3 x 6 ...

Страница 12: ...ITCH RGB YPBPR VIFIN1 LOC2 PANEL LVDS VIF TUNER GTV SCART1 CVBS1 TV OUT CVBS RGB1 CVBS3 RGB SWITCH VIDEO SWITCH BA7652 SVO6 CVBS6 CVBS CVBS_Y4 CVBS_Y5 SWO1_CVBS20_Y20 CVBS30_Y30 DVBO_IFVO_FMRO HDMI TMDS BA7603 SiI9021 HDMI DECODER D RGB RGB CVBS PV10_23 IN_R IN_G IN_B R3_PR31 G3_Y31 B3_PB31 PC RGB RGB SWITCH BA7657 MATRIX COMPONENT YPBPR RGB H V Y G Pb B H V Pr R H V OUT IN OUT IN Outline ...

Страница 13: ...610 IC6609 IC6608 IC6607 IC6606 IC6605 IC6603 IC6602 13V_PWR 9V 12V_FAN 5V_SW 3V3_SW D5V D3V3 1V8_SW D1V8 POWER ARCHITECTURE D6601 D6621 D6618 D6616 D6607 D6606 D6605 D6604 D6615 D6614 TO IC801 PIN E10 5V 1 2 3 4 5 KQ 24V 6V D3V3 D5V 3V3_SW 5V_SW 12V_FAN 9V PROTECT ARCHITECTURE 2 3 4 5 KR POWER TO UNIT POWER DIAGRAM FOR UK4B ...

Страница 14: ...8 1 5 12V 5V 3 3V K3000 cct K3A 12V K3003 K603 K303 03 K3Q K3R KR 5V S B K605 K3002 K605 02 5V gnd 16V 12V Gnd Gnd Gnd Gnd NC NC NC NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 5V S By Gnd D5V Power on ON OFF VBR NC NC NC NC Gnd Gnd K3001 NC NC NC NC NC 1 11 1 6 POWER_3 BL_ADJ BL_ON 3 3V S B KP R1600 R1601 gnd 1AA0B10H08...

Страница 15: ...s used for operating multiple monitor sets from a single pc via the RS232 command line If you set your monitor address to 000 it will never respond to any addressing command from the pc If the address from the pc is FFF all monitor sets will execute the command The address format command is defined by one command one line which starts with A and ends with carriage return 0x0D An address is added a...

Страница 16: ...direct Wide Title in 14 9 direct RGB direct AV2 RGBHV direct AV2 YPbPr direct AV3 direct DVI direct PC direct PC Auto adjust Factory settings Power save ON Power save OFF Child lock ON Child lock OFF RC inhibition OFF RC inhibition ON Status Read Command Table Command Item Note _means No Function C Panel operating time CR0 CR1 CR WIDE CR PICTURE CR SIGNAL CR CHILD CR DPMS Power Input mode Wide mod...

Страница 17: ...sible line on the picture Part of the display is poor No working of RC handset No working or the front key Switch After indication of the display then 30 seconds later come into standby Change the FAN Change the FRONT board Change the RC or FRONT board Change the panel Change the COMP board If not change the panel Change the LCD panel Check to voltage of KR 3 5V Change the power board Check the fu...

Страница 18: ...te for internal loss in the YPbPr RGB HV loop IC2006 RS232 to 5v decoder encoder It converts the RS232 signal from K2008 into a TTL signal that can be understood by the CPU IC2010 IC2007 8 11 5v to 3 3v logic conversion for the CPU IC2010 IC2009 Reset pulse generator for the CPU IC2010 IC2010 CPU with internal program flash memory The software version programmed into this device can be found in th...

Страница 19: ...ertor HDMI data from K1006 is fed into this IC The IC then extracts the video and audio in digital format and sends the data to IC801 Audio data is converted to analogue via IC8501 IC801 This IC is the main control IC for the entire TV It incorporates 1 CPU for control and on screen graphics presentation 2 Video signal processor for controlling picture presentation and quality 3 LCD scaler for con...

Страница 20: ... DACs ADCs TBC AGC 2D 3D COMB FILTER RDS CVBS Y U V DEINTER LACER NOISE REDUCT BLACK STRETCH WHITE STRETCH HORIZ SCALER PEAKING LTI CTI COLOR FEATURES YUV TO RGB MATRIX ADC STEREO SOUND DECODER AUDIO IN OUT LINE O I C S C SW I2S HP OUT LS OUT MEMORY INTERFACE CNTRL ADDR DATA 6 12 16 16 MBit SDRAM 8051 MICRO CONTR TXT DECODER OSD OSD BLENDER I Os 24 RGB YUV alpha OUTPUT FORMAT RGB DACs RGB ITU H V ...

Страница 21: ...AGRAMS IC1205 BA7603F IN1a GND IN2b Vcc CTLb IN1b GND IN1c IN2c CTLc OUTc OUTb GND OUTa CTLa IN2a 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SWa SWb SWc IC151 BA2904 1 2 3 4 5 6 7 8 CH1 CH2 _ _ VCC OUT2 IN2 IN2 OUT1 IN1 IN1 VEE ...

Страница 22: ...1 BIAS SCL SDA ADR MUTE GND Lout1 0dB Vcc Rout1 0dB Lout2 0dB Rout2 0dB Lout3 0dB Rout3 0dB BIAS Logic 33 35 1 3 5 7 9 11 13 15 17 34 36 2 4 6 8 10 12 14 16 18 19 23 22 21 20 24 30 29 28 27 26 25 31 32 IC2002 TSH3441 Top View OUT2 1 IN2 OUT1 Vcc 2 3 7 8 OUT3 IN1 4 6 IN3 GND SO8 Pin1 identification 5 6dB 6dB 6dB ...

Страница 23: ... 23 N4JKT IC BLOCK DIAGRAMS IC2003 TC7WH125 IC2006 SP3232 V 1 2 3 4 13 14 15 16 5 6 7 12 11 10 C1 V C1 C2 C2 R1IN R2IN GND VCC T1OUT T2IN 8 9 SP3232E T1IN R1OUT R2OUT T2OUT IC2007 IC2008 IC2011 TC7SET08 ...

Страница 24: ...V CC CNV SS P1 7 INT 1 CNTR 0 P16 CLK0 P15 RxD0 P14 TxD0 P3 7 TxD 10 RxD 1 P3 0 CNTR 0 CMP1 0 P3 3 INT 3 P3 1 TZ OUT CMP1 1 P3 2 INT 2 CNTR 1 CMP1 2 IV CC 3 AV SS AV CC V REF P03 AN4 P02 AN5 P01 AN6 P00 AN7 TxD11 P06 AN1 P05 AN2 P04 AN3 P45 INT0 P10 KI0 AN8 CMP00 P11 KI1 AN9 CMP01 P12 KI2 AN10 CMP02 P13 KI3 AN11 P0 7 AN 0 MODE TC IN IC2012 BA50BC0FP Vref TSD 0CP _ Driver R1 R2 Vcc 1 PIN N C 2 PIN ...

Страница 25: ...vercurrent detection circuit detection circuit Overheat Oscillation circuit Vs1 COM V ERROR AMP Soft start circuit ref soft ADJ out O V V _ _ _ 2 Y Decoder I O Buffers and Data Latches Address Buffers Latches X Decoder DQ7 DQ0 Memory Address OE CE WE SuperFlash Memory Control Logic Functional Block Diagram IC4001 ST39VF0200 ...

Страница 26: ...I O1 I O2 I O3 I O4 I O5 I O6 I O7 SU01783 NOTE ALL I Os ARE SET TO INPUTS AT RESET Vcc INT LP FILTER PCA9534 IC601 L6562D GND 6 2 1 V 1 6 V 5 ZCD DISABLE STARTER Starter stop DRIVER 7 GD R Q S ZERO CURRENT DETECTOR Vcc INV COMP MULT CS R2 25 V 8 1 2 5V 2 3 4 40K 5pF Vcc R1 INTERNAL SUPPLY 7V UVLO VREF2 VOLTAGE REGULATOR OVERVOLTAGE DETECTION MULTIPLIER AND THD OPTIMIZER 15 V ...

Страница 27: ...ASSY REAR PLATE N4JK 2 665 000 9943 REAR PLATE GASKET N4JF 3 665 000 7642 5G SACHET SILICA GEL 4 412 075 4003 SPECIAL SCREW 4 2X9 5 5 412 075 4409 SPECIAL WASHER N2MJW ACCESSORIES 6 645 079 4421 ASSY REMOCON JXPLA WEEE 645 054 9533 BATTERY ENERGIZER R6SH2VP 665 001 1410 DRIVER CD FOR TOUCH PANEL 665 001 1427 INST MANUAL N4JK 1 665 001 1434 INSTALL INST SHEET N4JK 665 001 0406 INSTALL GUIDE 1 665 0...

Страница 28: ... K A C B E C B E C B E 1 2 3 4 5 6 Index 1 2 N Index Index 1 2 N 2 1 3 IN OUT GND 2 1 4 2 1 3 Index 1 N Index 1 N Index 1 N Index 1 N Index 1 N Index 1 N 2 1 3 1 2 3 2 1 3 RESET GND Vdd 5 3 D G S D G S K Cathode A Anode C Collector B Base E Emitter D Drain G Gate S Source Diode Transistor FET IC E1 C2 E2 C1 B2 B1 Index G Diode G Transistor FET G IC FET ...

Страница 29: ...665 000 8670 CORD POWER AC CORD UK 665 000 6768 CORD POWER AC CORD AUS 665 000 8687 CORD POWER W900 665 000 8342 CORD POWER N4JK 665 000 8724 ASSY PLUG WP AC CON MALE 665 000 6775 ASSY PLUG WP AC CON FEMALE OTHER COMPONENTS ELECT BP EARTH 665 000 7802 NONSTANDARD WIRE ASSY KK 1 645 040 3002 FERRITE RING FIXING PIN KLP PN 665 000 7796 NONSTANDARD WIRE ASSY LVDS CABLE K602 1 645 020 3640 FERRITE RIN...

Страница 30: ... 30 N4JK ...

Страница 31: ... 31 N4JKT ...

Страница 32: ... 32 N4JK Sanyo Industries UK Ltd Printed in UK ...

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