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Proview SH970I Service Manual Download Page 1

SH970I

Service Manual

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Summary of Contents for SH970I

Page 1: ...SH970I Service Manual...

Page 2: ...UCTION 1 B S P E C I F I C A T I O N S 2 C T I M I N G C H A R T 3 D C O N T R O L L O C A T I O N 5 E CONDUCTION VIEW 6 F ADJUSTMENT PROCEDURE 11 G T R O U B L E S H O O T I N G H I N T S 1 2 H B L O...

Page 3: ...equipped with a 3 wire grounding type plug a plug having a third grounding pin This plug will only fit into a grounding type power outlet This is a safety feature if you are unable to insert the plug...

Page 4: ...Adjust Exit 12 View Angle CR 5 Horizontal Vertical 70 Degrees 70 Degrees 13 Power Source 90 264 Vac 60 50 Hz 14 Power Consumption 48W max 15 Connection Type 15 Pin D Type 16 Input Signal Video Sync A...

Page 5: ...270us 2 032us 3 813us 2 000us 3 200us 2 400us 1 616us 2 182us D Back Porch 1 589us 3 063us 3 810us 3 810us 1 907us 3 556us 2 200us 1 280us 3 232us 1 745us E Front Porch 0 954us 3 064us 1 016us 0 508u...

Page 6: ...width th 2 092us 1 813us 1 219us 1 037us 1 067us D Back Porch 2 462us 1 920us 2 235us 2 296us 1 837us E Front Porch 0 369us 0 321us 0 203us 0 444us 0 119us F V 60 004Hz 70 069Hz 75 029Hz 60 020Hz 75 0...

Page 7: ...D CONTROL LOCATION Font control panel...

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Page 9: ...1 Power Button 2 2 LED Power Display 3 Menu Button 4 Select Button 5 Auto Button...

Page 10: ...E CONDUCTION VIEW MAIN BOARD Component Side...

Page 11: ...MAIN BOARD Component Side...

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Page 14: ...MAIN BOARD Solid Side...

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Page 16: ...Operation Check Value A B Check Digital Voltmeter CN7 Crosshatch Pattern 31 5KHz 640x480 1 Plug power cable into the adapter check adapter power indicator light up green 2 Make sure the voltage of the...

Page 17: ...ss and relese the MENU knob to activate the OSD menu 2 Move the OSD to the AUTO function press MENU key auto adjuat display mode to its utmost performance according to VGA setting 3 In the event of th...

Page 18: ...NO NO YES LED Color change Check main board U2 Pin2 Hi Lo under push power sw Back light ON To Step 2 Make sure the connection of Inverter is fine 12V Check the CN1 Pin1 of Inverter Check F1 Fuse of i...

Page 19: ...NO YES YES NO YES NO B Hi Lo under push power sw Change the Inverter Display Nice Job To Step 2 A Check the connection of CN8 cable Display Nice Job Change the main board Change the main board...

Page 20: ...S NO YES YES YES YES NO NO YES Check the main board 12V 5 0 V Check U10 U11 TR1 H V input Signal Check the main board U7 Pin 5 Change U9 Check H V Signal Display Nice Job Change Signal Cable Check F1...

Page 21: ...YES NO YES NO YES YES NO NO YES Check the main board 5V 3 3V H V Input Signal Check the main board U9 Pin3 Change U9 Check H V Signal Display Nice Job Change Signal Cable Check U10 U11 TR1 Check U8 U1...

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Page 23: ...LCD PANEL LVDS 8 RA0 RA7 8 GA0 GA7 8 BA0 BA7 8 RB0 RB7 8 GB0 GB7 8 BB0 BB7 10 ODD 10 EVEN HI VOLTAGE B 1 1 Rev H BLOCK DIAGRAM HSYNC VSYNC SDA DDC SCL DDC SDA SCL POWER ADAPTER 12V SWITCH POWER SUPPL...

Page 24: ...I SCHEMATIC DIAGRA...

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Page 30: ...Memu...

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