SERVICE MANUAL Multimedia LCD Projector
Contents
1. BO 30 06 00 6B F4 01 00 BO 30 06 00 C8 F5 02 00 BO 30 01 00 00 00 67 ViewSonic PJ5502. 0 06 00 Decrement 1A D2 04 00 07 30 CB D3 07 30 00 00 00 00 Get 03 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BEEF 03 06 00 BE EF 06 00 Brightness Reset Contrast Reset V Position Reset H Position Reset H Size Reset Color Balance R Reset Color Balance B Reset Sharpness Reset Color Reset Tint Reset Keystone Reset Auto 10 31 06 00 06 00 00 00 06 00 00 00 06 00 00 00 06 00 00 00 FB D8 01 00 20 30 00 00 05 00 08 86 02 00 05 00 06 00 A4 D2 E0 D2 00 00 00 00 00 00 00 00 Blank on off BE EF 03 06 00 BE EF 03 06 00 Error Status O BE EF 03 06 00 Set 06 00 03 06 00 Example of Return 00 00 01 00 Normal Cover error 04 00 05 00 Temp error Air flow error 6B D9 01 00 20 30 01 00 D9 D8 02 00 02 00 03 00 Fan error Lamp error 06 00 07 00 Lamp Time over Cold error 03 BE EF 0 BE EF 0 3 3 06 00 3 BE EF 03 3 3 06 00 06 00 06 00 06 00 0 0 ff n OFF s ON Get Get Get BE EF 0 BE EF 0 BE EF 0 BE EF 03 Get 03 Input Source SVideo 6 00 6 00 06 00 Component BA D2 01 00 2A D3 01 00 00 60 00 00 00 60 01 00 Increment 03 06 00 Decrement 03 06 00 31 D3 02 00 57 D3 04 00 86 D2 05 00 65 66 Names Brightness
3. 06 00 06 00 06 00 06 00 0 0 0 BE EF 0 BE EF 0 BE EF 0 BE EF 0 BE EF 0 BE EF 0 BE EF 0 BE EF 0 BE EF 0 0 0 6 00 3 3 3 3 3 6 00 3 06 00 3 3 3 3 3 06 00 06 00 06 00 BE EF BE EF BE EF BE EF BE EF 0 BE EF 0 BE EF 0 BE EF 06 00 06 00 06 00 06 00 06 00 06 00 06 00 0 0 FB D1 01 00 00 30 04 00 Transparent Gray s s BE EF BE EF 06 00 06 00 06 00 2F D0 01 00 03 30 DF D0 01 00 03 30 05 00 06 00 00 00 t Turn ON jaa Fran ais English 0 BE EF 0 BE EF 0 BE EF BE EF BE EF 0 BE EF 0 BE EF 06 00 6 00 6 00 3 3 3 3 03 03 3 3 3 3 0 0 06 00 0 0 0 0 6 00 6 00 OB D2 01 00 04 30 9B D3 01 00 04 30 38 D2 02 00 04 30 F7 D3 01 00 05 30 67 D2 01 00 05 30 00 00 01 00 02 00 e e Su Espa ol Set Italiano BE EF BE EF 06 00 06 00 Cx 01 007 poros 07 D3 01 00 05 30 37 D1 01 00 05 30 03 00 04 00 Norsk Get 0 0 BE EF 06 00 BE EF 06 00 BE EF 3 06 00 BE EF 03 06 00 3 3 3 03 03 3 3 3 0 0 A7 DO 01 00 05 30 57 DO 01 00 05 30 C7 D1 01 00 05 30 05 00 06 00 07 00 08 00 00 00 Command data chart Header Operation type Increment BE EF BE EF 3 06 00 06 00 Command data CRC D2 02 00 Action Setting code 00 00 00 00 03 BE EF 03 BE EF 06 0
4. Color Balance R Color Balance B Aspect Display Position at 16 9 or Small Command data chart Operation type Header CRC 46 D3 Command data Setting code 00 00 Normal EF 03 06 00 id EF 03 06 00 Get BE EF 03 06 00 Get BE EF 03 06 00 D6 D2 75 D3 89 D2 EF D2 01 00 02 20 01 00 00 00 00 00 00 00 Increment BE EF 03 06 00 Decrement BE EF 03 06 00 3E D3 FD D3 9B D3 4A D2 01 D2 67 D2 B6 D3 45 D2 04 00 03 20 05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 BE EF 03 06 00 Increment BE EF 03 06 00 G G G BE EF 03 06 00 G G G e e e e e e 23 D2 F2 D3 B9 D3 02 00 06 20 04 00 06 20 00 00 00 00 00 00 BEEF 03 06 00 43 BEEF 03 06 00 Set BEEF 03 06 00 EF 03 06 00 BE EF 03 06 00 Default BE EF 03 06 00 Bottom BE EF 03 06 00 t t t t t t BE EF 03 06 00 Increment BE EF 03 06 00 4 3 Top BE EF 03 06 00 DF D3 OE D2 9E DO OE D1 FE D1 AD DO 62 D1 F2 DO 02 DO 02 00 07 20 04 00 01 00 01 00 01 00 09 20 00 00 00 00 00 00 01 00 02 00 00 00 00 00 01 00 02 00 BE EF 03 06 00 Get et Increment BE EF 03 06 00 51 D1 0D 83 6B 83 BA 82 F1 82 97 82 01 00 09 20 02 00 00 00 00 00 00 00 00 00 00 00 00 00 Decrement BE EF 03 06 00 BE EF 03 06 00 Increment BE EF 03 06 00 46 83 B5 82 D3 82 04 00 01 21 05 00 01 21 00 00 00 00 00 00 Decr
5. ViewSonic STT SERVICE MANUAL C3XM2 AN SS Caution Be sure to read this manual before servicing To assure safety from fire electric shock injury harmful radiation and materials various measures are provided in this Multimedia LCD Projector Be sure to read cautionary items described in the manual to maintain safety before servicing ServiceWarning When replace the lamp to avoid burns to your fingers The lamp becomes too hot Never touch the lamp bulb with a finger or anything else Never drop it or give it a shock They may cause bursting of the bulb This projector is provided with a high voltage circuit for the lamp Do not touch the electric parts of power unit main when turn on the projector Do not touch the exhaust fan during operation The LCD module assembly is likely to be damaged If replacing to the LCD module assembly do not hold the FPC of the LCD module assembly Use the cables which are included with the projector or specified Contents Features 8 Connector connection diagram Specifications 9 Wiring diagram Names of each part 10 Basic circuit diagram Adjustment 11 Disassembly diagram T
6. ement BE EF 0 06 00 3 3 02 83 49 83 2F 83 04 00 02 21 05 00 02 21 00 00 00 00 00 00 0 Increment BE EF 0 06 00 Decrement BE EF 03 06 00 FE 82 04 00 03 21 05 00 03 21 00 00 Video Format HDTV WHISPER GAMMA COLOR TEMP Operation type Command data chart Header Command data Setting code 00 00 Get BEEF O 06 00 F1 72 02 01 22 Increment BEEF O 06 00 97 72 04 00 01 22 BEEF 0 06 00 46 73 05 oo 01 22 BEEF 0 06 00 B5 72 02 00 02 22 0 0 Get Increment Get NTSC 4 43 1035i 3 3 3 3 BE EF 3 3 3 3 BEEF 0 06 00 02 73 05 00 02 22 3 3 3 3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 OA 00 04 00 05 00 09 00 02 00 08 00 07 00 00 00 00 00 01 00 Get off Set on Get NORMAL Set WHISPER Get NORMAL BE EF 03 03 06 00 62 72 01 00 05 22 06 00 C1 73 02 00 05 22 0 0 0 BE EF 6 00 3B 23 01 00 00 33 CE EE SEO o2 E 00 00 01 00 00 00 00 00 00 00 01 00 00 00 00 00 DYNAMIC NORMAL Set 0 0 eer fae er 08 E foz oo foo s 0 0 BE EF 06 00 C7 FO 01 00 A1 30 BE EF 06 00 57 F1 01 00 A1 30 3 3 3 Gu 3 3 3 3 3 BEEF 03 06 00 7 00 A1 30 BE EF 0 06 oo F4 02 oo A1 BE EF 03 01 00 02 00 00 00 00 00 LOW BE EF 03 03 06 00 FB F5 01 00
7. nnot be understood the error command 15H is returned by the computer Some times the projector ignores RS 232C commands during other works If the error command 15H is returned please send the same command again When data sent by the projector cannot be practice When the command sent by the projector cannot be practiced the error code 1cH xxxxH is returned When the data length is greater than indicated by the data length code the projector will ignore the excess data code Conversely when the data length is shorter than indicated by the data length code an error code will be returned to the projector NOTE Operation cannot be guaranteed when the projector receives an undefined command or data e Provide an interval of at least 40ms between the response code and any other code e The projector outputs test data when the power supply is switched ON and when the lamp is lit Ignore this data Commands are not accepted during warm up 63 64 Names Blank Color Mirror Freeze Menu Color Startup Operation type Orange Command data chart Header BE EF 0 BE EF 06 00 06 00 06 00 Command data CRC Action Type Action 3B D3 00 30 Setting code 00 00 01 00 Green Set Blue 0 BE EF 0 BE EF 0 BE EF 06 00 06 00 5B D2 01 00 00 30 CB D3 01 00 00 30 02 00 03 00 Purple s Freeze Get t Freeze Green Purple 3 3 3 3 3 3
8. nse code 1DH data 2 bytes to the computer Changing the projector settings Set command 1 Send the setting code Header Command data 01H 00H type 2 bytes setting code 2 bytes from the computer to the projector 2 The projector changes the setting based on the above setting code 9 The projector returns the response code 06H to the computer Using the projector default settings Reset Command 1 The computer sends the default setting code Header Command data 06H 00H type 2 bytes 00H 00H to the projector 2 The projector changes the specified setting to the default value 9 The projector returns the response code 06H to the computer Increasing the projector setting value Increment command 1 The computer sends the increment code Header Command data 04H 00H type 2 bytes 00H 00H to the projector 2 The projector increases the setting value on the above setting code 9 The projector returns the response code 06H to the computer Decreasing the projector setting value Decrement command 1 The computer sends the decrement code Header Command data 05H 00H type 2 bytes 00H 00H to the projector 2 The projector decreases the setting value on the above setting code 9 The projector returns the response code 06H to the computer When a command sent by the projector cannot be understood by the computer When the command sent by the projector ca
9. roubleshooting 12 Replacement parts list Service points 13 RS 232C communication Block diagram SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT Multimedia LCD Projector December 2001 13 RS 232C communication 1 Turn off the projector and computer power supplies and connect with the RS 232C cable 2 Turn on the computer power supply and after the computer has started up turn on the projector power supply Projector Computer RS 232C terminal Control terminal Deco D sub 9 pin D i 2 RD D sub 15 pin shrink SO S GND 0000 6 DSR 7 RTS 8 0 9 Communications setting 19200bps 8N1 1 Protocol Consist of header 7 bytes command data 6 bytes 2 Header BE EF 03 06 00 CRC_low CRC_high CRC_low Lower byte of CRC flag for command data CRC_high Upper byte of CRC flag for command data 3 Command data Command data chart Action Setting code Action byte_0 1 INCREMENT Increment setup value by 1 DECREMENT Decrement setup value by 1 62 Requesting projector status Get command 1 Send the request code Header Command data 02H 00H type 2 bytes 00H 00H from the computer to the projector 2 The projector returns the respo
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