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Q7C3 LCD Monitor Service Guide

Alignment Procedure

Read User R-Gain data from NVRAM

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Read User G-Gain data from NVRAM

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Read User B-Gain data from NVRAM

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Change Color Temperature to C1

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Change Color Temperature to C2

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Change Color Temperature to C3

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Change C/T to User

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User mode to factory mode

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Auto Color (Offset1, Offset2, Gain)

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Factory mode to User mode

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Clear user area data

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Off burn in mode

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Change Language Setting

0~7

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Read EEPROM Contrast

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Read EEPROM Brightness

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Read EEPROM C/T Point

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Read EEPROM OSD-Hpos

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Read EEPROM OSD-Vpos

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Read EEPROM Language

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Read EEPROM OSD Timer

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Read EEPROM Volume

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Table 1

When PC Host sends 0x7D command to MCU, MCU must return as following (2 bytes)
Return Code

R-Byte1

R-Byte2

Checksum error code

Normal return code

the above Byte3

(/data) FC

If normal return code is exact FCh

Содержание Q7C3

Страница 1: ...rton Specification 7 2 3 3 Pallet Specification 8 2 3 4 Container Carrying Capacity 8 2 4 Electrostatic Discharge Requirements 8 2 5 Safety Requirements 8 2 6 EMI Requirements 8 2 7 Reliability 9 2 8...

Страница 2: ...Audio Controls 16 5 Physical Specifications 17 5 1 Physical Dimension Appearance 17 5 1 1 Overall Dimensions 17 5 1 2 Outer Appearance 17 5 2 Construction and Materials on outer surface 17 5 3 Base 17...

Страница 3: ...Cover Removal Access 18 6 4 Equipment Tools Required 18 6 4 1 Standard Test Equipment 18 6 4 2 Documentation 18 6 5 Electrical Emission and Energy Saving summary for TCO 03 18 6 5 1 Electrical Field A...

Страница 4: ...formation display with 8 languages selection DPMS Display Power Management System Power on off indicator Audio speakers supported option High quality advanced zoom function Scaling function Tilt base...

Страница 5: ...e major resonance dwell is required for each axis Total dwell time at each resonance point shall be 15 minutes B Random Vibration Frequency Hz Slope dB Oct Spectrum Level g2 Hz 5 100 0 0 015 100 200 6...

Страница 6: ...A flat drop with impact on the front A flat drop with impact on the right A flat drop with impact on the left A flat drop with impact on the bottom A flat drop with impact on the top After test there...

Страница 7: ...90 12 000 12 000 Width 2 330 2 330 2 330 Useable Interior Dimension Deducted pallet 130mm Operating space 50mm Height 2 100 2 100 2 405 b Air Transport Container 1 Container 2 Container 3 Container Ty...

Страница 8: ...ischarge Requirements The subject product must withstand 8 KV for contact discharge and 15 KV for air discharge of Electrostatic Discharge and meet the acceptance criteria as specified IEC 801 2 2 5 S...

Страница 9: ...O1043 1 For blends of plastics e g PC ABS all weight ratios are considered to be the same type of material 4 Painting of Plastic Plastic materials weighing more than 25 grams included in the VDU Diffe...

Страница 10: ...O 3 BLUE VIDEO 4 GROUND 5 Cable Detect 6 RED GROUND 7 GREEN GROUND 8 BLUE GROUND 9 PC5V 10 SYNC GROUND 11 GROUND 12 SDA 13 H SYNC H V 14 V SYNC 15 SCL 3 1 1 2 Cable length 1600mm 20mm 3 1 2 Video sign...

Страница 11: ...h 640x480 37 86 N 72 80 N 31 5 VESA 640x480 37 50 N 75 00 N 31 5 VESA 800x600 37 88 P 60 32 P 40 00 VESA 800x600 48 08 P 72 19 P 50 00 VESA 800x600 46 86 P 75 00 P 49 50 VESA 832X624 49 72 N 74 55 N 5...

Страница 12: ...ency of vertical sync Fv is large than 77Hz c The frequency of horizontal sync Fh is large than 83KHz d The frequency of vertical sync Fv is large than 76Hz 3 3 Number of display colors 16M color numb...

Страница 13: ...st 40W without audio Blue Normal off None or Only one exist 1W under 115Vac 2W under 264Vac Amber 3 sec 3 6 Specification of Inverter The backlight system is an edge lighting type with 4 CCFLs Cold Ca...

Страница 14: ...ity Coordinates CIE Blue y 0 04 0 07 0 10 White x 0 28 0 31 0 34 Color Coordinates CIE White White y 0 30 0 33 0 36 White Luminance CCFL 7 0mA center cd m2 200 260 Luminance Uniformity Note 2 75 80 Cr...

Страница 15: ...184 gray level 0 gray level 1 2 1 6 2 3 1 6 1 2 1 3 1 6 1 3 1 2 2 3 A A B B 184 gray level l LA LA l LA x 100 1 2 max LA and LB are brightness at location A and B l LB LB l LB x 100 1 2 max LA and LB...

Страница 16: ...X 1024 pixels Maximum 2 Contrast ratio 250 Min 450 Typ 3 Response time 16 mS Typ 4 Viewing angle Up 70 Down 70 R L 70 At contrast ratio 10 5 CIE Coordinate White 0 31 0 33 0 03 0 03 at user mode 6 Dis...

Страница 17: ...eviated labels 2 User s Controls standard print 5 5 Packaging 5 5 1 Carton Dimension 456mm W X423mm D X 146mm H LCD monitor 5 5 2 Shipping Weight 5 8kg LCD monitor 5 5 3 Shipping Container 1960 sets p...

Страница 18: ...pter 6 4 2 Documentation A service manual will be available which covers all service requirements A users manual written in Japanese German Italian Spanish France and English will be available to ship...

Страница 19: ...Q7C3 LCD Monitor Service Guide Engineering Specification 19 Fig 1 Physical Dimension Front View and Side view...

Страница 20: ...17 M170EN05 V8 Q7C3 AUO 56 91L90 011 10 ASSY BZL T7032C Q7C3 FP767 12 60 L9001 061 11 ASSY UC ABSHB T7032C Q7C3 60 L9002 011 12 ASSY COLUMN ABS T7032C Q7C3 60 L9003 012 13 ASSY BKT MAIN Q7C3 AUSIP W S...

Страница 21: ...Enter factory setting area press LEFT EXIT and then press SOFTPOWER 2 Setup input timing UVGA7 4 Grays pattern 3 Press AUTO waiting for press right message 4 Press RIGHT to Calibrate ADC 5 Setup input...

Страница 22: ...Setup a PC with DDC card 2 Connect PC to monitor with a D sub signal cable 3 Please refer to the C212 for the correct EDID file 4 Runs the writing program to write the EDID file into EEPROM for analog...

Страница 23: ...ain Data to NVRAM AA 4D Data checksum Write C2 Reddish B Gain Data to NVRAM AA 4E Data checksum Write C3 sRGB R Gain Data to NVRAM AA 5C Data checksum Write C3 sRGB G Gain Data to NVRAM AA 5D Data che...

Страница 24: ...mode to User mode 1E 5A XX checksum Clear user area data 1F 5A XX checksum Off burn in mode CE 2 XX checksum Change Language Setting 66 0 7 XX checksum Read EEPROM Contrast A3 92 XX checksum Read EEPR...

Страница 25: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 5 2 Dressing A Check the two spring on the BKT B Screws on the interface power board...

Страница 26: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 6 C Plastic fixture on the interface board D Closing plastic on the BKT...

Страница 27: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 7 E Tapes on backlight wire F Spring at the top of BKT...

Страница 28: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 8 G Two gaskets at the bottom of BKT H Place D sub cover and its screw...

Страница 29: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 9 I Backlight wire J Two screws on panel left side...

Страница 30: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 10 K Two screws on panel right side L Two FFC cables fixed on panel socket...

Страница 31: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 11 M Two speakers fixed on BZL N Spring on control board to contact panel...

Страница 32: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 12 O Control board 3pin wire dressing P Contorl board 9pin wire dressing...

Страница 33: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 13 Q Paste aluminum tape on the backlight wire hole...

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Страница 35: ...the adjustable items and get some information about this monitor and the best function is to offer users an easy method to set all adjustable items well just by pressing one key we called it Auto key...

Страница 36: ...ystem processing EEPROM is stored DDC data OSD common data and user mode data Flash Rom is stored the source code which is accessed by MCU to run program b IC introduction 1 DDC Display Data Channel f...

Страница 37: ...djustable data and user settings 4 FLASH ROM To stored the source code which is accessed by MCU to run program A 2 Power board diagram Fig 1 1 EMI Filter This circuit fig 2 is designed to inhibit elec...

Страница 38: ...D Monitor Service Guide Circuit Operation Theory 4 Fig 2 2 Rectifier and filter AC Voltage 90 264V is rectified and filtered by BD601 C605 See Fig 3 and the DC Output voltage is 1 4 AC input See Fig 3...

Страница 39: ...e transformer During Q601 turn off period the stored energy is delivered to the secondary of transformer R607 C607 and D601 is a snubber circuit R615 is current sense resistor to control output power...

Страница 40: ...et point falls below a given value The output power demand diminishes the IC automatically enters the so called skip cycle mode and provides excellent efficiency Fig 6 6 Feedback circuit PC123 is a ph...

Страница 41: ...Out A Power IC Use ST POWER IC TDA7496 The IC are stereo Class AB output amplifiers with DC Volume control The devices are designed for use in TV and monitor but are also suitable for battery Fed por...

Страница 42: ...oard are a push button and a LED a Push button It s a simple switch function pressing it for ON to do the auto adjustment function releasing it for OFF to do nothing c LED It indicates the DPMS status...

Страница 43: ...ge 15V Input Current 2A max ON OFF Voltage 3 3V PWM Duty 3 3V 47KHz Output Requirement Max Output Current 15mA Min Output Current 6mA Lamp Working Voltage 600Vrms Open Lamp Voltage 1700Vrms Frequency...

Страница 44: ...cuit Operation Theorem 3 1 ON OFF SWITCH The turn on voltage was controlled by R756 and R757 The inverter was turned on or off by the switching transistors Q761 and Q757 Also regulator IC751 is contro...

Страница 45: ...765 decide the working frequency BLT_ADJ signal is from control board control pulse width then decide how much energy delivery to CCFL also decide CCFL brightness Q741 and Q742 be the buffer to rise t...

Страница 46: ...e DC power inject Q759 or Q760 will turns on and the current Ic increases After a period the transistor will leave the saturation status and Vce increase The result causes the voltage of primary coil...

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Страница 48: ...EM ODM Model Name 99 L9072 000 C3 304 005 INTERFACE BOARD 1 7 TOM LONG DAVEN WU 48 L9001 S21 S21 ANGEL HU Size Q7C3 LG 99 L9072 001 0 Tuesday June 03 2003 NA Optical Points Screw Holes H4 HOLE V8 1 2...

Страница 49: ...K R6 OPEN Q201 OPEN 2N3904 1 3 2 R3 OPEN C14 22U 16V 1 2 C201 OPEN 47U 16V 1 2 C9 OPEN 0 1U K C13 0 1U K C4 0 1U K R203 OPEN 100K C10 0 1U K C202 OPEN 47U 16V 1 2 R204 0 C11 0 1U K C12 22U 16V 1 2 R20...

Страница 50: ...C28 47P 50V J R15 75 TP2 R27 2 2K DN4 BAV70LT1 2 3 1 R22 4 7K TP7 R20 100 C24 0 047U K Q2 2N3904 1 3 2 R301 0 R28 2 2K R25 10K U3 AT24C02A A0 1 A1 2 A2 3 VSS 4 VCC 8 WP 7 SCL 6 SDA 5 D1 TZMC5V1 1 2 C...

Страница 51: ...S 102 DEN 103 DR0 98 DR1 97 DR2 94 DR3 93 DR4 92 DR5 91 DR6 90 DR7 89 DG0 88 DG1 87 DG2 86 DG3 85 DG4 82 DG5 81 DG6 80 DG7 79 DB0 78 DB1 77 DB2 74 DB3 73 DB4 71 DB5 70 DB6 67 DB7 66 DGR0 131 DGR1 130...

Страница 52: ...L9072 000 C3 304 005 INTERFACE BOARD 5 7 TOM LONG DAVEN WU 48 L9001 S21 S21 ANGEL HU Size Q7C3 LG 99 L9072 001 0 Tuesday June 03 2003 NA R501 O PEN R54 3 3K R503 OPEN R502 O PEN C70 0 1U K IC1 MBM29L...

Страница 53: ...HU Size Q7C3 LG 99 L9072 001 0 Tuesday June 03 2003 NA L5 240 OHM TP26 C72 100P 50V J R75 4 7K TP27 U8 74LCX244 1A1 2 1A2 4 1A3 6 1A4 8 2A1 11 2A2 13 2A3 15 2A4 17 OE1 1 OE2 19 1Y1 18 1Y2 16 1Y3 14 1Y...

Страница 54: ...EN WU 48 L9001 S21 S21 ANGEL HU Size Q7C3 LG 99 L9072 001 0 Tuesday June 03 2003 NA R81 10K TP55 TP75 TP40 TP57 TP60 TP77 TP59 TP42 Q5 2N3904 1 3 2 TP79 TP62 C84 OPEN 47U 16V 1 2 TP61 TP80 TP44 CN2 20...

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Страница 57: ...OEM ODM Model Name 99 L9072 000 C3 304 001 INTERFACE BOARD 1 7 WAIT CHEN DAVEN WU 48 L9001 S11 S11 ANGEL HU Size Q7C3 99 L9072 001 0 Tuesday May 13 2003 NA Optical Points Screw Holes H4 HOLE V8 1 2 3...

Страница 58: ...R6 OPEN Q201 OPEN 2N3904 1 3 2 R3 OPEN C14 22U 16V 1 2 C201 OPEN 47U 16V 1 2 C9 OPEN 0 1U K C13 0 1U K C4 0 1U K R203 OPEN 100K C10 0 1U K C202 OPEN 47U 16V 1 2 R204 0 C11 0 1U K C12 22U 16V 1 2 R202...

Страница 59: ...C28 47P 50V J R15 75 TP2 R27 2 2K DN4 BAV70LT1 2 3 1 R22 4 7K TP7 R20 100 C24 0 047U K Q2 2N3904 1 3 2 R301 0 R28 2 2K R25 10K U3 AT24C02A A0 1 A1 2 A2 3 VSS 4 VCC 8 WP 7 SCL 6 SDA 5 D1 TZMC5V1 1 2 C2...

Страница 60: ...102 DEN 103 DR0 98 DR1 97 DR2 94 DR3 93 DR4 92 DR5 91 DR6 90 DR7 89 DG0 88 DG1 87 DG2 86 DG3 85 DG4 82 DG5 81 DG6 80 DG7 79 DB0 78 DB1 77 DB2 74 DB3 73 DB4 71 DB5 70 DB6 67 DB7 66 DGR0 131 DGR1 130 D...

Страница 61: ...9 L9072 000 C3 304 001 INTERFACE BOARD 5 7 WAIT CHEN DAVEN WU 48 L9001 S11 S11 ANGEL HU Size Q7C3 99 L9072 001 0 Tuesday May 13 2003 NA R501 O PEN R54 3 3K R503 OPEN R502 O PEN C70 0 1U K IC1 MBM29LV2...

Страница 62: ...L HU Size Q7C3 99 L9072 001 0 Tuesday May 13 2003 NA L5 240 OHM TP26 C72 100P 50V J R75 4 7K TP27 U8 74LCX244 1A1 2 1A2 4 1A3 6 1A4 8 2A1 11 2A2 13 2A3 15 2A4 17 OE1 1 OE2 19 1Y1 18 1Y2 16 1Y3 14 1Y4...

Страница 63: ...DAVEN WU 48 L9001 S11 S11 ANGEL HU Size Q7C3 99 L9072 001 0 Tuesday May 13 2003 NA R81 10K TP55 TP75 TP40 TP57 TP60 TP77 TP59 TP42 Q5 2N3904 1 3 2 TP79 TP62 C84 OPEN 47U 16V 1 2 TP61 TP80 TP44 CN2 20K...

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Страница 67: ...on power No Does cable plugs in No Check all of wire then turn on power connector switch again Yes Does power stable No Check Power BD Yes Is LED light green orange No Check control BD Yes Is LED sta...

Страница 68: ...ting 2 2 BUTTON function 2 1 Control Board OSD is not working Yes Is control BD connecting No Plug control BD then retry Yes Is bottom switch normally Yes Replace control BD then retry No Replace Cont...

Страница 69: ...Q7C3 LCD Monitor Service Guide Trouble Shooting 3 3 OSD function OSD doesn t work Is control BD working No Replace control BD Check interface BD...

Страница 70: ...again or checking I F BD Turn on level existed BLT_ON Insert them again Check CN752 CN753 was pluged properly Plug CN601 again or checking PW BD Replace IC751 Q751 Replace new fuse Replace new fuse C...

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