Service manual SM5110744
Contents
1. of Cooling Cooling C e lights green From previous page Y WARNING red and POWER red indica tors are flashing POWER red and LAMP REPLACE yellow indicators are flashing POWER indicator is flashing orange Shutter Error at 3 cases 1 Error when turning on ation 2 Error when turning off Flashing red 60sec flashing orange 60sec l and then lighting red 3 Error at normal mode Flashin then lighting red C flashes green e flashes orange flashes yellow Flashing orange continu red 60sec and QZ o lights red 7 The symptom indicates that the projector detected an abnormal temperature risen inside the projector Check the air filters and remove the object near the intake and exhaust fan openings and wait until the POWER indicator stops flashing and then try to turn on the projector The internal temperature is monitored by the sensors IC8841 on Main Board TH901 and TH902 Refer to Fan control circuit The symptom indicates that the projector detected an abnormality in the lamp driving signal Check the lamp driving signal Lamp Cover SW and the Thermal SW LAMP_SW signal Lamp on L from pin 16 of IC4801 is sent to Lamp Ballast Unit through SW8803 Lamp Cover SW and SW902 Thermal SW TXL signal is output from pin 17 of I1C4801 and sent to Lamp ballast Unit via2. D Fig 26 Electrical Adjustments On Page 55 about Iris adjustment Amend the following information the iris adjustment method for correction 2 Iris adjustment Equipment NIL After replacing or repairing the LAMP IRIS this re adjustment is needed 1 Enter the service mode 2 Select group item no 105 14 and press the POINT RIGHT button then automatic iris adjust ment will be done after about 30 sec and the data value will be changed from OQ to 1 automatically 3 After this adjustment change this data value from 1 to O manually for normal operation On Page 57 about Optical base top removal Amend the following information from 1 line dot pattern to 50 whole white pattern for correction 6 Common Center adjustment Input mode Computer RGB Analog Image mode Powerful Input signal 50 whole white pattern 720p comput er signal _ Enter the service mode 2 Select group item no 4 114 and change data value from 0 to 2 Flicker adjustment mode 9ee Note 3 Project only one color component to the screen 4 Change data value to obtain the minimum flicker for each color on the screen 5 After this adjustment select group item no 4 114 and change data value from 2 to 0 for normal operation Or turn off the projector then this data value will be reset to 0 Item no Screen
3. An abnormality Check power supply lines S5V S 5V S16V etc on the Main occurs on the sec board ondary power Sup _ Refer to the diagram Power Supply Lines ply lines 3 Power failure detection diodes detect the fan operation stop An abnormality Check FN901 902 903 904 905 and peripheral circuit occurs on the fan Check connectors K8E K8F from TH901 TH902 control circuits Refer to the diagram Fan control circuit An abnormality Check power starter signals as follows occurs On power PWR SW signal Power on H is output from pin 12 of 1C4801 and starter signals sent to the Power Board and S16V Si6V_F S6 5V S5V S 5V lines are supplied MAINON_ SW signal Power on H is output from pin 80 of IC301 and sent to the Power Board and lamp ballast 375V line is supplied 5V_SW signal Power on H is output from pin 336 of IC301 and sent to 1C1581 1C8251 IC8281 Q4601 Q4603 then 12V 3 38V_D 3 3V_A 5V 6 5V lines are supplied 3 3V_SW signal Power on H is output from pin 76 of IC301 and To next page sent to IC3601 then 3 3V 1 2V lines are supplied 15V_SW signal Power on H is output from pin 79 of IC301 and sent to Q591 then 15 5V line is supplied FAN_SW signal Power on H is output from pin 81 of IC301 and applied to the Fan power supply circuit Troubleshooting Indicators ag am e m a O z ey Oss g gt G58 ae i 7 Troubleshooting
4. 3 0 Only green color picture 3 1 Only blue color picture 3 2 Only red color picture Note The FRP signal common electrode reverse signal works at 120HZ so flicker is invisible for human eyes The service mode 4 114 can change the FRP sig nal from 120Hz to 60Hz and flicker can be seen Troubleshooting On Pages 80 and 81 about No Power Amend the following information Troubleshooting description for correction with the underline No Power This projector provides a function which can be specified a defective area simply by indicating the LEDs on the con trol panel Connect the AC cord and turn the projector on and then check the LED indication Indicators Troubleshooting POWER WARNING red green red Does a indicator flash or light The primary power supply circuit does not operate properly Yes Is fuse F601 broken Check SS5V power supply line Check Varistor VA611 When the main power switch is ON Check Power Board SS5V line is Supplied to 1C4801 Sub CPU POWER red The symptom indicates that the projector detected an O O and WARNING abnormality in the cooling fan operation or in the power red indicators supply secondary circuits Check fan operation and power are lighting supply lines and the driving signal status POWER_FAIL Error L signals are sent to IC301 via IC871 Check following and IC 1801 then IC301 shuts down the power supply circuit items
5. 1C4833 TXL signal is applied for lamp power control Lo Low power Hi High power RXL signal Lamp status signal is output from Lamp Ballast Unit and sent to pin 18 of IC4801 via IC4833 then LAMP_ERR signal is output from pin 4 of IC4801 and sent to IC301 via pin 7 of 1C1801 If an abnormality occurred on the lamp ballast unit RXL signal and LAMP_ERR signal become H and then the projector will be cooled down and to stand by mode POWER indicator lights red Lamp Cover Switch SW8803 on Lamp SW board Make sure that the lamp cover is mounted correctly If not or the lamp cover removed the lamp does not light on for the safety Check the lamp cover and lamp cover switch Thermal Switch SW902 short in normal SW902 opens when the surrounding temperature of the switch exceeds 90 C The symptom indicates that the projector detected an abnormality in the slide shutter Check the slide shut ter and the door switches Door Switches SW8801 SW8811 on Door SW A B board Make sure that the shutter is open or close If it is half open or close the lamp does not light O eee flashes red e o o off SAWYO M4WA Dec 2005 BB 400 Printed in Japan SANYO Electric Co Ltd
6. Notice CORRECTION PRODUCTION CHANGE SERVICE FLASH ADD INFORMATION Please add this notice to the Service Manual listed below Category Multi media Projector Issued Date Model PLV 24 Effective from U S A Canada Destination Europe Asia Africa REF NO SANYO FILE NO REVISION 1 December 2005 Chassis No M4W Z400 SM5110744 NOTE Match the Chassis No on the units back cover with the Chassis No in the Service Manual If the Chassis No does not match the unit s additional Service Literature is required Only the Difference Service Information is given in this manual For detail Service Information Refer to the Original Service Manual SM5110744 00 issued in October 2005 for Model PLV 24 Differences There are some miss prints on the service manual SM5110744 00 see the next pages for correction FILE WITH ORIGINAL SERVICE MANUAL SM5110744 PRODUCT CODE PLV Z4 112231600 M4WA PLV Z4 112231700 P4WA PLV Z4 112231702 P4WC REFERENCE NO SM5110744 01 Contents Mechanical Disassemblies NOTE Any information not contained in this manual will be found in the original model s service manual S M5110744 00 for model PLV Z4 MAJOR CHANGES as below Mechanical disassemblies Electrical adjustments Troubleshooting No Power 7 4 Main power ass y disassemblies 3 1 Remove the 3 screws A M3x6 and remove the Power board 2 Remove the 4 screws B T3x8 re
7. move the Ballast unit and remove the Holder Optical base lamp ass y removal Lamp duct ass y removal Optical base lamp ass y disassemblies Lamp cooling Fan FN902 ass y removal Lamp ass y and filters removal Optical base lamp ass y removal Lamp duct ass y removal Optical base lamp ass y disassemblies Lamp cooling Fan FN902 ass y removal Lamp ass y and filters removal 9 Mechanical Disassemblies Fe gt O g O o fe 2 i 5 O fe O O N O O A C O the screw C and the spacer sheet for correction Amend the following information 12 Filter board removal 1 Remove the screw C T3x10 and remove the spacer sheet remove the screw B M3x6 and remove the Filter board A T3x8 2 Remove the 4 screws a Spacer sheet Filter board Fig 12 On Page 27 about Duct cover removal Amend the following information cC Q O 2 2 O O 2 O a lt x the screw 13 Duct cover removal and remove the Duct cover remove the screw B M2x4 1 Remove the screw A T3x8 Fig 13 Mechanical Disassemblies On Page 38 about Optical base top removal Amend the following information the screws A for correction 26 Optical base top removal 1 Remove the 7 screws A T3x10 and remove the Optical base top P corrected screw A A P FMi lL Optical base top AN D l P S lt lt 2 P FZ
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