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... to make changes from time to time in any form or by ViewSonic Corporation. Sears ii VA550 Service Manual All rights reserved. Revision History Revision 1.0 Date 4/6/01 Description Of Changes Initial Issue - No part of this document are the property of ViewSonic Corporation. Copyright Copyright © 2001 by any means, electronic, mechanical, magnetic, optical...
... to make changes from time to time in any form or by ViewSonic Corporation. Sears ii VA550 Service Manual All rights reserved. Revision History Revision 1.0 Date 4/6/01 Description Of Changes Initial Issue - No part of this document are the property of ViewSonic Corporation. Copyright Copyright © 2001 by any means, electronic, mechanical, magnetic, optical...
Service Manual
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TABLE OF CONTENTS PRECAUTIONS AND SAFETY NOTICES FEATURES SPECIFICATIONS ON SCREEN DISPLAY FACTORY PRESET TIMINGS PIN ASSIGNMENTS BLOCK DIAGRAM MAIN BOARD I/O CONNECTIONS THEORY OF OPERATION WAVEFORMS TROUBLESHOOTING GUIDE SPARE PARTS LIST COMPLETE PARTS LIST SCHEMATIC DIAGRAMS EXPLODED VIEW AND PARTS LIST DIMENSION DRAWING 2 3 4 5 6 7 8 9-12 11-31 32-39 40-42 4344 45-60 61 62 63 iii VA550 Service Manual
TABLE OF CONTENTS PRECAUTIONS AND SAFETY NOTICES FEATURES SPECIFICATIONS ON SCREEN DISPLAY FACTORY PRESET TIMINGS PIN ASSIGNMENTS BLOCK DIAGRAM MAIN BOARD I/O CONNECTIONS THEORY OF OPERATION WAVEFORMS TROUBLESHOOTING GUIDE SPARE PARTS LIST COMPLETE PARTS LIST SCHEMATIC DIAGRAMS EXPLODED VIEW AND PARTS LIST DIMENSION DRAWING 2 3 4 5 6 7 8 9-12 11-31 32-39 40-42 4344 45-60 61 62 63 iii VA550 Service Manual
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... regard to part 15 of the FCC Rules. However, there is no guarantee that meets the local safety standards. or connect the into an outlet on , the user is a registered trademark of the US Environmental Protection Agency (EPA). Thus, ViewSonic will not ... limits of a Class B digital device, pursuant to "Electromagnetic compatibility." USA (UL); Germany (VDE); Page 2 CONFIDENTIAL- Service Manual VA550 ViewSonic Corporation IBM and IBM products are registered trademarks of Video Electronics Standards Association (VESA). These limits are registered trademarks of Apple Computer, Inc...
... regard to part 15 of the FCC Rules. However, there is no guarantee that meets the local safety standards. or connect the into an outlet on , the user is a registered trademark of the US Environmental Protection Agency (EPA). Thus, ViewSonic will not ... limits of a Class B digital device, pursuant to "Electromagnetic compatibility." USA (UL); Germany (VDE); Page 2 CONFIDENTIAL- Service Manual VA550 ViewSonic Corporation IBM and IBM products are registered trademarks of Video Electronics Standards Association (VESA). These limits are registered trademarks of Apple Computer, Inc...
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...corresponding scale factor and added with vertical offset factor 8 3E0H Sum of all part 10 entry (only keep lower 8 bits) Page 24 CONFIDENTIAL- Service Manual VA550 THEORY OF CIRCUIT OPERATION ViewSonic Corporation Symbol Width (bits) Address Description Offset factor CE 8 141H Offset ... look up table for line multiplication Minimum pixels per line for LCD 11 147H-148H Minimum number of pixels per line for LCD panel LCD polarity 4 149H [3:0] Controls the polarity of output VSYNV, HSYNC, clock and display enable Bit 0:0: clock active high, 1: clock active low Bit...
...corresponding scale factor and added with vertical offset factor 8 3E0H Sum of all part 10 entry (only keep lower 8 bits) Page 24 CONFIDENTIAL- Service Manual VA550 THEORY OF CIRCUIT OPERATION ViewSonic Corporation Symbol Width (bits) Address Description Offset factor CE 8 141H Offset ... look up table for line multiplication Minimum pixels per line for LCD 11 147H-148H Minimum number of pixels per line for LCD panel LCD polarity 4 149H [3:0] Controls the polarity of output VSYNV, HSYNC, clock and display enable Bit 0:0: clock active high, 1: clock active low Bit...
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CF 4.7ohm 1/8W J 1206 PCB MAIN BD 204*121*1.6T FR4 4M PCB DISPLAY BD K1 147.75*19.5*1.6T LCD MODULE 15.0" TFT AA150XA03 (ADI) PICO FUSE 125V 3.5A 3*7mm (R25103.5) AC TO DC ADAPTOR 12/4.2A (LSE9901B1250-BLK) CONN. DO NOT COPY... 1 1 1 1 1 1 1 5 1 1 2 8 4 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 1 CONFIDENTIAL - CF 0.5ohm 1/8W J 1206 LOC R39, R85, R86 E-R-0405-4266 B-MB-0201-0422 B-SB-0221-0144 M-LCD-0826-0021 E-FS-0410-0084 A-AD-0114-0113 M-MS-0808-2928 A-PC-0106-0039 A-VC-0101-0210 RES. ViewSonic Corporation SPARE PARTS LIST Service Manual VA550 VIEWSONIC PN DESCRIPTION E-R-0405-0614 RES.
CF 4.7ohm 1/8W J 1206 PCB MAIN BD 204*121*1.6T FR4 4M PCB DISPLAY BD K1 147.75*19.5*1.6T LCD MODULE 15.0" TFT AA150XA03 (ADI) PICO FUSE 125V 3.5A 3*7mm (R25103.5) AC TO DC ADAPTOR 12/4.2A (LSE9901B1250-BLK) CONN. DO NOT COPY... 1 1 1 1 1 1 1 5 1 1 2 8 4 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 1 CONFIDENTIAL - CF 0.5ohm 1/8W J 1206 LOC R39, R85, R86 E-R-0405-4266 B-MB-0201-0422 B-SB-0221-0144 M-LCD-0826-0021 E-FS-0410-0084 A-AD-0114-0113 M-MS-0808-2928 A-PC-0106-0039 A-VC-0101-0210 RES. ViewSonic Corporation SPARE PARTS LIST Service Manual VA550 VIEWSONIC PN DESCRIPTION E-R-0405-0614 RES.
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Service Manual VA550 SPARE PART LIST ViewSonic Corporation VIEWSONIC PN DESCRIPTION P-FM-0602-0535 P-FM-0602-0536 P-BX-0601-0509 EPS FOAM-A (VP140-3NG150NG151/510L) EPS FOAM-B (VP140-3NG150NG151/510L) CARTON VA550 V.SONIC A-CD-VA550 WIZARD CD ROM VA550 V.SONIC M-MS-0808-6052 SETUP GUIDE VA550 V.SONIC B-CB-0206-0092 LCD DISPLAY BD ASS'Y B-MB-0201-0456 LCD MAIN BD ASS'Y C-BS-0303-0258 LCD BASE ASS'Y (VA550) M-MS-0808-6376 LCD PACKING ASS'Y (VA550) M-LCD-0826-0072 LCD PANEL ASS'Y (VA550) LOC Q'TY 1 1 1 1 1 1 1 1 1 1 Page 44 CONFIDENTIAL- DO NOT COPY
Service Manual VA550 SPARE PART LIST ViewSonic Corporation VIEWSONIC PN DESCRIPTION P-FM-0602-0535 P-FM-0602-0536 P-BX-0601-0509 EPS FOAM-A (VP140-3NG150NG151/510L) EPS FOAM-B (VP140-3NG150NG151/510L) CARTON VA550 V.SONIC A-CD-VA550 WIZARD CD ROM VA550 V.SONIC M-MS-0808-6052 SETUP GUIDE VA550 V.SONIC B-CB-0206-0092 LCD DISPLAY BD ASS'Y B-MB-0201-0456 LCD MAIN BD ASS'Y C-BS-0303-0258 LCD BASE ASS'Y (VA550) M-MS-0808-6376 LCD PACKING ASS'Y (VA550) M-LCD-0826-0072 LCD PANEL ASS'Y (VA550) LOC Q'TY 1 1 1 1 1 1 1 1 1 1 Page 44 CONFIDENTIAL- DO NOT COPY
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...B-CB-0206-0092 LCD DISPLAY BD ASS'Y (...VA550 COMPLETE PARTS LIST ViewSonic Corporation MODULE NO: M-LCD-0826-0072 LCD PANEL ASS'Y (VA550) NO M/S VIEWSONIC PN DESCRIPTION LOC Q'TY 24 M C-FP-0301-0738 FRONT-PANEL CAB. (VA550) 1 25 M C-BC-0302-0309 REAR-COVER CAB. (VA550) 1 26 M PL-BT-0706-0076 BUTTON (VA550) 1 27 M M-MS-0808-6191 DECORATION PLATE (VA550...LCD 15.0" MAIN BD ASS'Y (VG150B ) 1 32 M M-MS-0808-6373 CHASSIS BRACKET (VG150) FP01 1 33 M PL-CL-0710-0030 WIRE SADDLE (CH-01C) FP01M 1 34 M PL-CL-0710-0030 WIRE SADDLE (CH-01C) FP01N 3 35 M M-LCD-0826-0021 LCD MODULE 15.0" TFT...
...B-CB-0206-0092 LCD DISPLAY BD ASS'Y (...VA550 COMPLETE PARTS LIST ViewSonic Corporation MODULE NO: M-LCD-0826-0072 LCD PANEL ASS'Y (VA550) NO M/S VIEWSONIC PN DESCRIPTION LOC Q'TY 24 M C-FP-0301-0738 FRONT-PANEL CAB. (VA550) 1 25 M C-BC-0302-0309 REAR-COVER CAB. (VA550) 1 26 M PL-BT-0706-0076 BUTTON (VA550) 1 27 M M-MS-0808-6191 DECORATION PLATE (VA550...LCD 15.0" MAIN BD ASS'Y (VG150B ) 1 32 M M-MS-0808-6373 CHASSIS BRACKET (VG150) FP01 1 33 M PL-CL-0710-0030 WIRE SADDLE (CH-01C) FP01M 1 34 M PL-CL-0710-0030 WIRE SADDLE (CH-01C) FP01N 3 35 M M-LCD-0826-0021 LCD MODULE 15.0" TFT...
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...0366 TAP. PLATE) LOC FP07 FP07M FP07N FP08 FP08M FP08N FP09M FP10M PN01N Q'TY 1 1 1 1 1 7 1 10 1 MODULE NO: B-CB-0206-0092 LCD DISPLAY BD ASS'Y (VG150) NO M/S VIEWSONIC PN 64 M E-D-0403-0846 65 M M-MS-0808-3948 66 M B-SB-0221-0144 67 M M-MS-0808-3938 68 M M-MS-0808-3938 69 M M-...NI 57 M M-SCW-0824-0363 MAC. SCREW-MPSWF M4.0*12.0L,NI 60 M M-SCW-0824-0363 MAC. ViewSonic Corporation COMPLETE PARTS LIST Service Manual VA550 MODULE NO: M-LCD-0826-0072 LCD PANEL ASS'Y (VA550) NO M/S VIEWSONIC PN DESCRIPTION 55 M M-MS-0808-4915 HINGE ASS'Y-R (AX150NG150) 56 M M-SCW-0824-0363 MAC. SCREW-...
...0366 TAP. PLATE) LOC FP07 FP07M FP07N FP08 FP08M FP08N FP09M FP10M PN01N Q'TY 1 1 1 1 1 7 1 10 1 MODULE NO: B-CB-0206-0092 LCD DISPLAY BD ASS'Y (VG150) NO M/S VIEWSONIC PN 64 M E-D-0403-0846 65 M M-MS-0808-3948 66 M B-SB-0221-0144 67 M M-MS-0808-3938 68 M M-MS-0808-3938 69 M M-...NI 57 M M-SCW-0824-0363 MAC. SCREW-MPSWF M4.0*12.0L,NI 60 M M-SCW-0824-0363 MAC. ViewSonic Corporation COMPLETE PARTS LIST Service Manual VA550 MODULE NO: M-LCD-0826-0072 LCD PANEL ASS'Y (VA550) NO M/S VIEWSONIC PN DESCRIPTION 55 M M-MS-0808-4915 HINGE ASS'Y-R (AX150NG150) 56 M M-SCW-0824-0363 MAC. SCREW-...
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DO NOT COPY Page 49 ViewSonic Corporation COMPLETE PARTS LIST Service Manual VA550 MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 104 M E-D-0403-0477 ZENER 15-2 14.5-15.1V 1/2W 105 M E-D-0403-0477 ZENER 15-2 14.5-15.1V 1/2W 106 M E-D-0403-0475 ZENER 5C3 5.1-5....
DO NOT COPY Page 49 ViewSonic Corporation COMPLETE PARTS LIST Service Manual VA550 MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 104 M E-D-0403-0477 ZENER 15-2 14.5-15.1V 1/2W 105 M E-D-0403-0477 ZENER 15-2 14.5-15.1V 1/2W 106 M E-D-0403-0475 ZENER 5C3 5.1-5....
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... COPY Page 53 DIODE 1N4148 SMD 245 M E-D-0403-1238 GEN. DIODE 1N4148 SMD 244 M E-D-0403-1238 GEN. ViewSonic Corporation COMPLETE PARTS LIST Service Manual VA550 MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 228 M E-C-0404-3599 C/M MULTI 0.01UF 50V X7R 0805 229 M E-C-0404-3198 E/C GEN. 1.0UF 50V RV2...
... COPY Page 53 DIODE 1N4148 SMD 245 M E-D-0403-1238 GEN. DIODE 1N4148 SMD 244 M E-D-0403-1238 GEN. ViewSonic Corporation COMPLETE PARTS LIST Service Manual VA550 MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 228 M E-C-0404-3599 C/M MULTI 0.01UF 50V X7R 0805 229 M E-C-0404-3198 E/C GEN. 1.0UF 50V RV2...
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... RES. CF 4.7ohm 1/8W J 1206 L21 281 M E-R-0405-4266 282 M E-L-0407-0696 283 M E-R-0405-4266 RES. Service Manual VA550 COMPLETE PARTS LIST ViewSonic Corporation MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 259 M E-IC-0401-0886 IC MM74HC00M SMD-14 LOC IC06 260 M E-IC-0401-1247 IC AM30...
... RES. CF 4.7ohm 1/8W J 1206 L21 281 M E-R-0405-4266 282 M E-L-0407-0696 283 M E-R-0405-4266 RES. Service Manual VA550 COMPLETE PARTS LIST ViewSonic Corporation MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 259 M E-IC-0401-0886 IC MM74HC00M SMD-14 LOC IC06 260 M E-IC-0401-1247 IC AM30...
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... RES. A(X) 220ohm 4R J 8P 309 M E-R-0405-4918 ARRAY RES. A(X) 33ohm 4R J 8P 297 M E-R-0405-4285 ARRAY RES. ViewSonic Corporation COMPLETE PARTS LIST Service Manual VA550 MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 290 M E-R-0405-4285 ARRAY RES. A(X) 33ohm 4R J 8P 294 M E-R-0405-4285 ARRAY RES. A(X) 33ohm 4R...
... RES. A(X) 220ohm 4R J 8P 309 M E-R-0405-4918 ARRAY RES. A(X) 33ohm 4R J 8P 297 M E-R-0405-4285 ARRAY RES. ViewSonic Corporation COMPLETE PARTS LIST Service Manual VA550 MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 290 M E-R-0405-4285 ARRAY RES. A(X) 33ohm 4R J 8P 294 M E-R-0405-4285 ARRAY RES. A(X) 33ohm 4R...
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... J 0805 RES. CF 10Kohm 1/8W J 0805 RES. CF 3.3Kohm 1/8W J 0805 R115 1 350 M E-R-0405-2919 RES. Service Manual VA550 COMPLETE PARTS LIST ViewSonic Corporation MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 321 M E-Q-0402-1174 TRANSISTOR MMBT3906LT1 SMD 322 M E-Q-0402-1087 TRANSISTOR MMBT3904LT1 SMD T LOC Q09 Q10 Q'TY...
... J 0805 RES. CF 10Kohm 1/8W J 0805 RES. CF 3.3Kohm 1/8W J 0805 R115 1 350 M E-R-0405-2919 RES. Service Manual VA550 COMPLETE PARTS LIST ViewSonic Corporation MODULE NO: B-MB-0201-0456 LCD 15.0" MAIN BD ASS'Y (VG150B ) NO M/S VIEWSONIC PN DESCRIPTION 321 M E-Q-0402-1174 TRANSISTOR MMBT3906LT1 SMD 322 M E-Q-0402-1087 TRANSISTOR MMBT3904LT1 SMD T LOC Q09 Q10 Q'TY...
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...' IN REV. No. .t5 1. r -c- \v 110 77 Ti 6 7 CU 8 (U CU (U 9 138.00 Confidential - AX150013 REV, 01 SHEET.)' OF 1 0 VA550 Do Not Copy Page 63 10 DESCRIPTION ViewSonic THIRD ANGLE PROJECTION MODEL NO., Corporation ****_*•**-4.4.** PART NO VA550 UNLESS OTHERWISE NOTED DSN., Roger Lee .XX = *0.10 = ±0.2 ANG. = ±1/2* cme„, APPD.. 03/07/ 00 MATERIAL...
...' IN REV. No. .t5 1. r -c- \v 110 77 Ti 6 7 CU 8 (U CU (U 9 138.00 Confidential - AX150013 REV, 01 SHEET.)' OF 1 0 VA550 Do Not Copy Page 63 10 DESCRIPTION ViewSonic THIRD ANGLE PROJECTION MODEL NO., Corporation ****_*•**-4.4.** PART NO VA550 UNLESS OTHERWISE NOTED DSN., Roger Lee .XX = *0.10 = ±0.2 ANG. = ±1/2* cme„, APPD.. 03/07/ 00 MATERIAL...