Samsung HCR4755WX/XAA Service Manual Download Page 54 | Manualshive

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Schematic Diagram

8-12

Samsung Electronics

8-3-2 DTV Module-2

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Summary of Contents for HCR4755WX/XAA

Page 1: ...ur 3 Model HCR4755WX XAA HC R4755W PROJECTION TV RECEIVER CONTENTS 1 2 3 4 5 6 7 8 Product Specification Alignment Adjustment Troubleshooting Exploded View Part List Electrical Part List Block Diagram PCB Diagram Schematic Diagram SERVICE Manual ...

Page 2: ...l 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 May 2005 Printed in Korea AA82 02523A ELECTRONICS ...

Page 3: ...967 mm 39 5 x 19 7 x 38 1 inches 1126 x 621 x 984 mm 44 3 x 24 4 x 38 7 inches 1226 x 598 x 1276 mm 48 3 x 23 5 x 50 2 inches Weight 40 4 Kg 89 1 lbs 49 9 Kg 110 0 lbs 61 0 Kg 134 4 lbs Model HC R4355W HC R4755W Voltage AC 120V AC 120V Frequency of Operation 60Hz 60Hz Power Consumption 240 watts 240 watts Dimensions W x D x H 1035 x 510 x 888 mm 40 7 x 20 0 x 34 9 inches 1120 x 555 x 939 mm 44 0 x...

Page 4: ...1 2 Samsung Electronics MEMO ...

Page 5: ...E MODE DISPLAY State 5 Service Mode Control Keys MENU Full Menu Display Move to Parent Menu Direction keys Item Selection by Moving the Cursor Direction keys Data Increase Decrease for the Selected Item Alignment Adjustment Samsung Electronics 2 1 2 Alignment Adjustment 2 1 When entering the service mode DEFLECTION VIDEO ADJUST 1 VIDEO ADJUST 2 VIDEO ADJUST 3 VIDEO ADJUST 4 VIDEO ADJUST 5 VIDEO AD...

Page 6: ...ft 32 Fix 0 63 32 3 H EW 31 Var 0 63 31 4 H Shift 34 Fix 0 63 34 5 V LIN 7 Fix 0 15 7 6 Up_ Lin 0 Fix 0 15 0 7 Low_Low 0 Fix 0 15 0 8 V SC 7 Fix 0 15 7 9 H Par 20 Fix 0 63 20 10 Up_ Cor 31 Fix 0 63 31 11 Low_ Cor 31 Fix 0 63 31 12 H Tra 31 Fix 0 63 31 13 Bow 31 Fix 0 63 31 14 Angle 31 Fix 0 63 31 15 V Position 31 Fix 0 63 31 16 Up UCG 0 Fix 0 3 0 17 Lo UCG 0 Fix 0 3 0 18 CXA Left Blk 55 Fix 0 63 5...

Page 7: ... 25 4 Color On Off 1 Fix 0 1 1 1 5 CR Offset 32 Var 0 63 32 32 6 CB Offset 32 Var 0 63 32 32 7 RED Drive 35 Var 0 63 35 35 8 GREEN Drive 35 Var 0 63 35 35 9 BLUE Drive 35 Var 0 63 35 35 10 Sub Bright 20 Var 0 63 20 20 11 Sub Contrast 8 Var 0 15 8 8 12 Sub Color 10 Fix 0 23 6 10 15 15 10 13 Sub Tint 6 Fix 0 63 6 6 5 5 5 14 CTI Level 1 Fix 0 3 1 1 15 COL Axis 2 Fix 0 3 2 2 16 LTI Level 1 Fix 0 3 1 1...

Page 8: ...vel 2 Fix 0 3 2 2 4 DC Trans 2 Fix 0 3 2 2 5 ABL TH 15 Fix 0 15 15 15 6 VM Level 2 Fix 0 3 2 2 7 VM Coring 0 Fix 0 3 0 0 8 VM f0 2 Fix 0 3 2 2 9 VM Limit 3 Fix 0 3 3 3 10 VM Delay 0 Fix 0 3 0 0 11 SHP CD Gain 1 Fix 0 3 1 1 12 SHP f0 0 Fix 0 1 0 0 13 SHP f1 Gain 3 Fix 0 3 3 3 14 Pre Over 1 Fix 0 3 2 1 15 AKB Timing 11 Fix 0 32 11 11 16 S ABL 3 Fix 0 3 0 0 17 P ABL 10 Fix 0 15 10 10 18 Picture Limit...

Page 9: ...14 PKCOR 0 Fix 0 1 0 15 CKILL 2 Fix 0 15 8 2 16 AFT On Off 1 Fix 0 1 1 17 Melody Volume 10 Fix 0 20 10 5 Video Adjust 4 No Item Initial Data Var Fix Range Adjust Data 480p other 720p Component 1080i Component 1 YC RF Delay 1 Fix 0 31 1 2 YC AV Delay 5 Fix 0 31 5 3 Chroma Band RF 0 Fix 0 63 0 4 Chroma Band Video 0 Fix 0 63 0 5 Chroma Band SVideo 1 Fix 0 63 1 6 IF Comp 2 Fix 0 4 2 7 IF Comp Video 4 ...

Page 10: ...G 0 Fix 0 3 RFDB1_LPF2 1 Fix 1 4 RFDB1_PKCOR 0 Fix 0 5 RFDB1_SHARPNESS 75 Fix 75 6 RFDB2_H_PEAKING 0 Fix 0 7 RFDB2_LPF2 1 Fix 1 8 RFDB2_PKCOR 1 Fix 1 9 RFDB2_SHARPNESS 50 Fix 50 10 RFDB3_H_PEAKING 0 Fix 0 11 RFDB3_LPF2 2 Fix 2 12 RFDB3_PKCOR 1 Fix 1 13 RFDB3_SHARPNESS 20 Fix 20 14 RFDB1_VALUE 112 Fix 112 15 RFDB2_VALUE 200 Fix 200 16 RFDB3_VALUE 500 Fix 500 ...

Page 11: ...16 8 GAIN1Y 8 Fix 0 63 8 8 9 GAIN2X 8 Fix 0 63 8 8 10 GAIN2Y 4 Fix 0 63 4 4 11 GAIN3X 1 Fix 0 63 1 1 12 CORING_ON 1 Fix 0 1 1 1 13 CORING_TH1 2 Fix 0 7 2 2 14 CORING_TH2 1 Fix 0 7 1 1 15 CORING_TH3 1 Fix 0 7 1 1 16 SD3_K 8 Fix 0 255 8 8 17 Skin_X 24 Fix 0 63 24 24 18 Skin_Y 29 Fix 0 63 29 29 19 SCALE_R 75 Fix 0 255 75 75 20 SCALE_ALPHA 140 Fix 0 255 140 140 21 Gamma On 0 Fix 0 7 0 0 22 Dither Mode...

Page 12: ...Initial Data Var Fix Range Adjust Data Korea America 1 Anynet Enable On Var On Off On On 2 DNIe Off Var On OFF Demo Demo Off 3 Panel Key Enter Var Enter Mute Enter Enter 4 LNA On Var On Off On Off 5 DVI Off Var On Off Off On 6 V CHIP USA Var Off USA USA C Off USA ...

Page 13: ...ment Adjustment Samsung Electronics 2 9 2 3 Screen Change When adjusting I2C Bus Geometric items 8 PIN PHASE 10 V BOW 5 V ANGLE 4 PIN AMP 2 V LINEARITY 6 V SIZE 3 H SIZE 9 H SHIFT 7 V S CORRECTION 1 V SHIFT ...

Page 14: ...nt use an oscilloscope The voltage shown by the tester is false data because the AC peak to peak voltage is adjusted under DC conditions 2 4 2 White Balance Adjustment 1 Select the STANDARD Video Mode 2 Input 100 white pattern 3 In the stand by mode press the remote control keys in the following sequence 4 Warm up the TV for at least 30 minutes 5 Input a 10 step signal 6 R cut off B cut off and G ...

Page 15: ...ing overall screen balance Figure Crosshatch Pattern Examine these points together 2 4 5 Lens Focus Adjustment 1 Preparation Set the Screen to STANDARD Contrast 100 Brightness 50 Set the pattern to Crosshatch Adjust the electric focus before beginning Adjust the DY tilt TILT before beginning 2 How to Adjust Green Lens Adjustment Loosen the lens screw for easier adjustment Press Mute 1 8 and 3 sequ...

Page 16: ... 10 Adjust G Focus so that the surrounding flash can disappear from the spot 11 After G Focus adjustments are complete adjust R Focus as above procedures 12 The B CRT adjustments can be omitted because the variance of beam focus is small Only Vm coil is mounted 13 Adjust the Focus pack VR for fine focusing 14 Press the 7 digit button for a while on the remote control and the mode changes to the Co...

Page 17: ...ence Jig 2 6 1 4245W RF Mode 2 6 2 4245W DTV Mode 22 02mm 73 41mm 33 28mm 76 07mm 22 02mm 33 28mm 28 03mm 72 41mm 42 87mm 72 88mm 28 03mm 42 87mm Screen Size X 925 Y 523 X 378 9 2 30 12 Y 440 28 2 64 6 Screen Size X 925 Y 523 X 396 12 2 31 12 Y 488 40 2 68 6 ...

Page 18: ...e Normal Line Shif Red Convergence Pattern ON OFF Moves the Cursor Backwards Right or Down Moves the Cursor Left Right or Up Down Adjustment Pattern Select Button Red Adjustment Pattern Select Button Green Adjustment Pattern Select Button Blue Blue Convergence Pattern ON OFF Toggles between the Convergence Adjustment screen and the RF screen Convergence Adjust Button Left Right Up Down Save data a...

Page 19: ...MICOM D3 6 SCL MICOM 47 MICOM D2 7 N C 46 MICOM D1 8 N C 45 MICOM D0 9 VDD 2 5V 44 VDD 3 3V 10 GND 43 GND 11 VDD 3 3V 42 VDD 2 5V 12 CAPTION CVBS 41 N C 13 VDDA 2 5V 40 N C 14 GND 39 N C 15 N C 38 N C 16 N C 37 VDDA 2 5V 17 KEY2 36 GND 18 KEY1 35 XTAL OUT 19 HSYNC 34 XTAL IN 20 VSYNC 33 RESET 21 KEY3 32 N C 22 5V INT 31 N C 23 PROTECT 30 VDD 3 3V 24 IR 29 GND 25 STB LED 28 MICOM INT 26 TIMER LED 2...

Page 20: ...32 GND GND 2 31 5V Dynamic Fcous 3 30 5V GND 4 29 N C D2 SCL 5 28 GND D1 6 27 V BLK GND 7 26 H BLK C SYNC 8 25 GND R 9 24 RH G 10 23 RV B 11 22 GH D3 SDA 12 21 GV N C 13 20 BH IR 14 19 BV F BLK 15 18 GND GND 16 17 GND CN02 PIN PIN NAME 1 GND 2 5V 3 UP 4 GND 5 5V 6 Right 7 GND 8 5V 9 Left 10 GND 11 5V 12 Down ...

Page 21: ...ND 18 DTV Y 42 STB 5V 19 DTV PB 43 STB 5V 20 DTV PR 44 GND 21 GND 45 GND 22 DTV HSO 46 3 3V D 23 DTV VSO 47 3 3V D 24 GND 48 3 3V D CN101 Pin Pin Assign Pin Pin Assign 1 SCL CG 25 SCL M5 2 SDA CG 26 SDA M5 3 2RF SW 27 GND 4 TU RST 28 GND 5 GND 29 COMP2 Y 6 AUD SDATAO 30 COMP2 PB 7 GND 31 COMP2 PR 8 AUD SCLK 32 GND 9 AUD LRCLK 33 NC 10 GND 34 GND 11 NC 35 MAIN C 12 NC 36 GND 13 GND 37 MAIN Y C 14 C...

Page 22: ... cable to PORT1 or COM1 port of your PC Connecting Serial cable to Anynet port of Terminal Board Firmware upgrade using your Upgrading Tool After upgrading is fin ished Turn Off and turn on the TV by using AC CORD Activating Function Help in the OSD Menu and pressing Display key in the remote control Confirm your final S W version ...

Page 23: ...pening the Back Cover Troubleshooting Samsung Electronics 3 1 3 Troubleshooting 3 1 Opening the Set and Replacing Assemblies Remove all indicated screws on the rear side of the Set Repair or replace the required Assembly MAIN DY JACK CG Module SUB ...

Page 24: ...s and open the Rear Cover l o r t n o C R W P d n a l e n a P t n o r F e h t e v o m e R k c a b t f e L w e r c S e h t e v o m e R k c a B t h g i R w e r c S e h t e v o m e R l e n a P t n o r F e h t e v o m e R l o r t n o C R W P e h t e v o m e R l l u P d n a w e r c S e h t e v o m e R t n i o p d e k c o L e h t n w o d ...

Page 25: ...Troubleshooting Samsung Electronics 3 3 Repair the frontal PCB CRT or replace it after removing the attached connectors PCB CRT R PCB CRT G PCB CRT B ...

Page 26: ...llustrated below refer to the Opening Back Cover Remove the screws indicated and detach the Top Cover Remove the Dust Cover that prevents dust from entering into the screen Before proceeding disconnect all the DY and Connectors connected to the assembly Remove the 4 corner screws from the CRT and replace the CRT ...

Page 27: ... and 4 Insert the CN601 Connector Check the Speakers Check IC603 Input Terminal Pin 3 Check IC603 Input Terminal Pin 5 Check IC603 Input Terminal Pin 7 and 11 Check FD802S of the SUB Board Check the Sound Mute Circuit Check IC603 Check IC601 Input Terminals Abnormal Abnormal Abnormal Abnormal Normal Normal Normal Abnormal Normal ...

Page 28: ...rmal Sound Normal Normal Normal Normal Normal Abnormal Abnormal Abnormal Check the Heater Check for High Voltage Check CN501 Pins 1 3 and 5 Check IC501 531 and 561 Check the CN501 Connector Replace the CN501 Connector Check IC04 Input Terminal Pins 20 21 and 22 Check IC04 ...

Page 29: ...Troubleshooting Samsung Electronics 3 7 Normal Abnormal Abnormal Check the Heater Abnormal Replace R513 543 and 573 Check CB504 Pin 5 of the CRT PCB Replace R513 543 and 573 Check R464 ...

Page 30: ...3 8 Samsung Electronics MEMO ...

Page 31: ...3 TM76A 47 Zilog 52MX 53 1 T0091 BP94 01550A ASSY PCB MISC A V SIDE DP HCR4355 P62A 1 S N A T0097 BP94 01552A ASSY PCB MISC PWR DEF DP HCR4355 P62A Q 1 S N A T0101 BP61 00789C BRACKET SCREEN TB DP BP61 00496A 47Q5 SP 2 S N A T0102 BP61 00790C BRACKET SCREEN RL DP BP61 00497A 47Q5 SP 2 S N A T0105 BP94 01032A ASSY PCB MISC DY JACK DP HCP4241W5S XA 1 T0108 BP67 00180B MIRROR BACK SSM GLASS 728 570 3...

Page 32: ...Block Diagram Samsung Electronics 6 1 6 Block Diagram 6 1 Main Block 6 2 DTV Module Block ...

Page 33: ...Block Diagram 6 2 Samsung Electronics 6 3 Micom Block 6 4 Cg Module Block ...

Page 34: ...Block Diagram Samsung Electronics 6 3 6 5 Power Block 6 6 Deflection Block ...

Page 35: ...Block Diagram 6 4 Samsung Electronics 6 7 Video Signal 6 8 Sound Signal ...

Page 36: ...Block Diagram Samsung Electronics 6 5 6 9 Power Signal ...

Page 37: ...Block Diagram 6 6 Samsung Electronics 6 10 Voltage Current Diagram ...

Page 38: ...Block Diagram Samsung Electronics 6 7 6 11 Connection Diagram ...

Page 39: ...6 8 Samsung Electronics MEMO ...

Page 40: ...7 PCB Diagram Samsung Electronics PCB Diagram 7 1 7 1 MAIN PCB ...

Page 41: ...PCB Diagram 7 2 Samsung Electronics 7 2 SUB PCB ...

Page 42: ...Samsung Electronics PCB Diagram 7 3 7 3 DTV PCB This Document can not be used without Samsung s authorization ...

Page 43: ...8 Schematic Diagram Samsung Electronics Schematic Diagram 8 1 8 1 MAIN Board 8 1 1 MAIN 1 This Document can not be used without Samsung s authorization ...

Page 44: ...Schematic Diagram 8 2 Samsung Electronics 8 1 2 MAIN 2 This Document can not be used without Samsung s authorization ...

Page 45: ...Samsung Electronics Schematic Diagram 8 3 8 1 3 MAIN 3 This Document can not be used without Samsung s authorization ...

Page 46: ...Schematic Diagram 8 4 Samsung Electronics 8 1 4 MAIN 4 This Document can not be used without Samsung s authorization ...

Page 47: ...Samsung Electronics Schematic Diagram 8 5 8 1 5 MAIN 5 This Document can not be used without Samsung s authorization ...

Page 48: ...Schematic Diagram 8 6 Samsung Electronics 8 1 6 MAIN 6 This Document can not be used without Samsung s authorization ...

Page 49: ...Samsung Electronics Schematic Diagram 8 7 8 2 SUB Board 8 2 1 SUB 1 This Document can not be used without Samsung s authorization ...

Page 50: ...Schematic Diagram 8 8 Samsung Electronics 8 2 2 SUB 2 This Document can not be used without Samsung s authorization ...

Page 51: ...Samsung Electronics Schematic Diagram 8 9 8 2 3 SUB 3 This Document can not be used without Samsung s authorization ...

Page 52: ...Schematic Diagram 8 10 Samsung Electronics 8 2 4 SUB 4 This Document can not be used without Samsung s authorization ...

Page 53: ...Samsung Electronics Schematic Diagram 8 11 8 3 DTV Board 8 3 1 DTV Module 1 This Document can not be used without Samsung s authorization ...

Page 54: ...Schematic Diagram 8 12 Samsung Electronics 8 3 2 DTV Module 2 This Document can not be used without Samsung s authorization ...

Page 55: ...Samsung Electronics Schematic Diagram 8 13 8 3 3 DTV Module 3 This Document can not be used without Samsung s authorization ...

Page 56: ...Schematic Diagram 8 14 Samsung Electronics 8 3 4 DTV Module 4 This Document can not be used without Samsung s authorization ...

Page 57: ...Samsung Electronics Schematic Diagram 8 15 8 3 5 DTV Module 5 This Document can not be used without Samsung s authorization ...

Page 58: ...Schematic Diagram 8 16 Samsung Electronics 8 3 6 DTV Module 6 This Document can not be used without Samsung s authorization ...

Page 59: ...Samsung Electronics Schematic Diagram 8 17 8 3 7 DTV Module 7 This Document can not be used without Samsung s authorization ...

Page 60: ...Schematic Diagram 8 18 Samsung Electronics 8 3 8 DTV Module 8 This Document can not be used without Samsung s authorization ...

Page 61: ...Samsung Electronics Schematic Diagram 8 19 8 4 Convergence_SDC31 8 4 1 Convergence Module 1 This Document can not be used without Samsung s authorization ...

Page 62: ...Schematic Diagram 8 20 Samsung Electronics 8 4 2 Convergence Module 2 This Document can not be used without Samsung s authorization ...

Page 63: ...Samsung Electronics Schematic Diagram 8 21 8 5 CRT PCB This Document can not be used without Samsung s authorization ...

Page 64: ...Schematic Diagram 8 22 Samsung Electronics 8 6 HV_Module This Document can not be used without Samsung s authorization ...

Page 65: ...Samsung Electronics Schematic Diagram 8 23 8 7 VM_Module This Document can not be used without Samsung s authorization ...

Page 66: ...ronics 8 8 PWR_Control This Document can not be used without Samsung s authorization 8 9 Key Control This Document can not be used without Samsung s authorization 8 10 Side AV This Document can not be used without Samsung s authorization ...

Page 67: ...ram 8 25 8 11 Sensor This Document can not be used without Samsung s authorization 8 12 Line Filter This Document can not be used without Samsung s authorization 8 13 DY JACK This Document can not be used without Samsung s authorization ...

Page 68: ...4 L15 BLK SWRCH18A S N A 3 M2893 AA39 00369C LEAD CONNECTOR J60B UL1007 22 4P 1000 30 3 T0299 AA61 01104A HOLDER LOCK Z7 ABS HB BLK S N A 3 M0114 AA61 20129A HOLDER WIRE NYLON 66 NTR DAFC 25 S N A 3 CIS7 AA61 60003J SPRING ETC CS SUS304 OD6 N7 OD6 S N A 3 T0382 BP61 00509C HOLDER CARE PJT ACRYL FOAM T0 25 W20 0mm S N A 3 GKP BP61 01056A GUIDE KNOB POWER DP BP61 00480B 43Q5 S N A 3 T0068 BP63 00444...

Page 69: ...T0112 AA61 00056B BRACKET LENS PROJECTION SECC T1 6 S N A 3 CC AA61 00807B CASE COUPLER G PROJ ALDC T8 BLK S N A 3 H CRT AA61 00809B HOLDER CRT PROJ PC ABS GF 20 BLK S N A 3 T0511 AA63 00076B SPACER LENS FELT W7 BLK T0 8 S N A 3 T0107 AA91 00722A ASSY BRKT CRT SECC T1 6 PROJ 4 T0072 AA61 00473B BRACKET CRT 53 SECC T1 6 S N A 4 T0210 AA61 00615B BRACKET EARTH 54J8 PBS T0 5 S N A 4 T0103 AA61 00812A...

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