Sharp XG-XVI E/A Service Manual

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In the interests of user-safety (Required by safety regulations in some countries) the set should be re-

stored to its original condition and only parts identical to those specified should be used.

Originalzustand gebracht werden. AuBerdem d&fen fur die spezifiziet-ten Bauteile nur identische Teile verwendet

werden.

. SPECIFICATIONS.. ............................................ 2

. NOTE TO SERVICE PERSONNEL.. .................. 3

. OPERATION MANUAL ...................................... 4

. REMOVING OF MAJOR PARTS.. ...................... 9

RESETTING THE LAMP OPERATING

HOUR COUNTER ............................................ 14

. THE OPTICAL UNIT OUTLINE.. ...................... 15

COVERGENCE AND FOCUS ADJUSTMENT.. .16

VOLTAGE MEASUREMENT ............................. 20

ELECTRICAL ADJUSTMENT .......................... 21

CHASSIS LAYOUT .......................................... 89

BLOCK DIAGRAM ........................................... 91

. OVERALL WIRING DIAGRAM ......................... 95

DESCRIPTION OF SCHEMATIC DIAGRAM .... .97

WAVEFORMS .................................................. 98

SCHEMATIC DIAGRAM ................................... 99

PRINTED WIRING BOARD ASSEMBLIES.. . ,145

. PARTS LIST

ELECTRICAL PARTS ............................... 157

PACKING PARTS ..................................... 202

PACKING OF THE SET ................................. 203

MODELS

MODELLE

Page

. HINWEISE FUR DAS

. BEDIENUNGSANLEITUNG ............................. 47

. ENTFERNEN DER HAUPTTEILE .................... 52

. RUCKSTELLUNG DES

. FEHLERSUCHTABELLE ................................. 72'

. CHASSIS-ANORDNUNG ................................. 89

. BESCHREIBUNG DES SCHEMATISCHEN

. WELLENFORMEN ........................................... 98

SHARP CQRPORATIOM

WARTUNGSPERSONAL ................................. 46

SPANNUNGSMESSUNG.. ............................... 63

GESAMTSCHALTPLAN ................................... 95

SCHALTPLANS.. .............................................. 97

ELEKTRISCHE BAUTEILE ...................... 157

ZUBEHORTEILE ...................................... 202

VERPACKUNGSTEILE ............................ 202

VERPACKEN DES GERATS ......................... 203

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Table of Contents

Summary of Contents for Sharp XG-XVI E/A

Page 1: Table Of Contents
SCHALTPLANS..........97 . PARTS LIST . WELLENFORMEN ........... 98 ELECTRICAL PARTS ....... 157 PACKING PARTS ........202 ELEKTRISCHE BAUTEILE ...... 157 PACKING OF THE SET ......... 203 ZUBEHORTEILE ........202 VERPACKUNGSTEILE ......202 VERPACKEN DES GERATS ......203 SHARP CQRPORATIOM...
Page 2: Specifications
LCD Projector Product Type Models LCD panel x 3, RGB optical shutter method Display method LCD panel Panel size: Translucent TN liquid crystal panel Display method: Drive method: TFT (Thin Film Transistor) Active Matrix panel No. of dots: dots (1,024 [H] x 768 [VI) 786,432 zoom lens, F2.7 to 3.5, f = 66 to 106 mm Lens...
Page 3: Note To Service Personnel
NOTE TO SERVICE: PERSONNEL Since the lamp reaches a very high temperature The light source, metal halide lamp, in the LCD during units operation replacement of the lamp should projector emits small amounts of UV-Radiation. be done at least one hour after the power has been turned off.
Page 4: Operation Manual
Location of Controls POWER ON/OFF button Remote sensor POWER indicator LAMP REPLACEMENT indicator Carrying handle Lamp cage cover The exhaust vent, the lamp cage cover and adjacent areas may be extremely hot during (Natural ventilation) projector operation. To prevent injury, do not touch these areas until they have sufficiently cooled.
Page 5: Operating The Wireless Mouse Remote Control
Operating the Wireless Mouse Remote Control Slide the MAIN POWER switch on the side of the unit on. Press the POWER ON button on the front panel of the remote control to turn the projector power on. 3. When using the remote control as a wireless mouse, move the MOUSE/ADJUSTMENT sliding switch to the MOUSE position.
Page 6 Using the optional cable with the ret$ote control When the remote control cannot be u!sed due to the range or positioning of the projector (rear projection, REMOTE CONTROL etc.), connect the optional cable from’ the Wired SIGNAL TRANSMITTER Remote Control Input jack on the remote control to the Wired Remote Input on the side of the projector.
Page 7 Connection Pin Assignmetns ! Analog RGB 1 Signal Input and Analog RGB 1 and 2 Output Terminal Analog 8. Earth (blue) 9. Not connected 2. Video input (green) Video input (blue) Reserve input 1 12. Reserve input 2 5. C o m p o s i t e ( M a c sync only) 13.
Page 8 Dimensions 165.5 (Lens extended) 176.8 (Lens housed) ens at upper shift) [Units: mm]...
Page 9: Removing Of Major Parts
REMOVING OF MAJOR PARTS 1. Removing the Lamp cage unit and Intake cover l-3. Remove the three screws off the lamp cage unit. l-4. Pull out the lamp cage unit. Notes: Before the replacement, turn off the projector’ s power button, make sure the cooling fan comes to a complete stop, and unplug the power cord.
Page 10 2. Removing the front cabinet 2-2. Gently press down on the hooks A, B, C and D of the top cabinet to unhook; the front cabinet. Detach the front cabinet. 2-3. Disconnect the remote control connector. Receiver Unit infrared 3. Removing the top and rear cabinets 3-2.
Page 11 screws cover, and pull and detach the entire screws cover. 4-2. Remove the twelve side screws. 4-5. Disconnect the membrane switch connector. 4-7. Remove the two screws off the LED PWB assembly. (for XG-XVI A as well as Australian and NewZealand versions of XG-XV1 E) Video Terminal Cover 1 (attached only when the video...
Page 12 5-4. Disconnect the connectors of the signal PWB and output PWB assemblies. PC Terminal Unit...
Page 13 6. Removing the power supply and ballast PWBs 6-2. Remove th& four screws off the power/ballast holder (located behind) 6-3. Disconnectithe connectors. 6-4. Take up anb away the PWBs.
Page 14: Resetting The Lamp Operating Hour Counter
RESETTING THE LAMP 0PER:ATING HOUR COUNTER (located above the AC inlet). 2. Now the unit is turned on and the lamp operating hour counter is reset to zero. “OOOH” appears on the screen. ENTER...
Page 15: The Optical Unit Outline
XG-XV1 E/A THE OPTICAL UNIT OUTLINE Layout of the optical system Note: Layout for positioning the optical system. Projection Lens Polarizing film Incident polarizing plate B Pre-polarizing film Incident polarizing plate R Pre-polarizing plate Dichroic coating Dichroic coating (B transmission) . I I (R transmission) Marking Dichroic coating...
Page 16: Covergence And Focus Adjustment
CQNVERGENCE AND FOCUS ADJUSTMENT (A) Replacing all the 3 LCD panels 1. Before replacing all the 3 LCD panels, project an image on the screen and bring it into focus. Replace the panels with new ones. But until the focus has been completely readjusted, be careful not to change the distance between the set and the screen, nor to move the projection lens focus and zoom rings.
Page 17 XG-XV1 E/A Notes : movement are not always uniform. prism is used for image formation. When the LCD panels all get into the best focus, the images are almost completely converged. Convergence and Focus Adjustments Mechanism TOP VIEW SIDE VIEW R-LCD G-LCD panel mounting screws...
Page 18 Convergence and Focus Adjustments at a Glance Definition Direction of LCD oanel LCD right and left Convergence Y direction LCD top and bottom Rotation around Z axis LCD turnina axis LCD optical axis Rotation around X axis Focus LCD top-to-bottom flapping Rotation around Y axis LCD riqht-to-left flaooina Eccentric cam...
Page 19 Replacing the LCDs With the top cabinet removed (1) Remove three screws off the output shield. (2) Disconnect the LCD flat cable from the output PWB connector. (3) Remove the lock screws “ b” and Detach the R/B adjusting plate or the G LCD panel.
Page 20: Voltage Measurement
VOLTAGE MEASUREMENT Measuring procedure: PC I/F Unit (CPCL0023CEOl) 1. Feed the XGA pattern signal from the signal generator. 2. Using the tester, measure the voltage at each test point on the PC I/F PWB. Tester PC I/F PWB , Projector XGA pattern signal input Signal generator...
Page 21: Electrical Adjustment
ELECTRICAL ADJUSTMENT Hook up a signal generator, or a DOSV or Mac personal computer to the projector in order to feed the signals specified in the Adjusting conditions. Note : All the adjusted data will be cleared by making the “ FACTORY SETTING 1” or “ FACTORY SETTING 2” . Before using the previous data for adjustment, write down the modified data on a notepad or the like and then make the initialsettings.
Page 22 Adjusting point Adjusting conditions Adjusting procedure Choose the subject RI-BLK and adjust the black peak 5 RGB 1 system black level Group : OUTPUT 1 level to 2.7 +O.l V DC using the membrane switch or signal amplitude Subject : RI-BLK the remote control button.
Page 23 Adjusting point A d j u s t i n g c o n d i t i o n s Adjusting procedure 1. Feed the black-and-red data button, adjust the in order to minimize the flicker. voltage (25%) stripe signal (XGA). adjustment If such a pattern signal is not available, select the...
Page 24 Adjusting conditions Adjusting proceduri Adjusting point Using the membrane switch or the remote control 14 Video picture button, adjust the black-to-white (100%) level differ- Group : VIDEO 1 adjustment Subject : PICTURE 2. Connect the oscilloscope between pin (2) of P801 and GND.
Page 25 Adjusting point Adjusting conditions Adjusting procedure 19 PAL colour saturation level signal. button, adjust the difference between the 100% white portion and the red portion to 0.1 +0.02 Vp-p. Group : VIDEO 1 Subject : P-COLOR 100% White Red 2. Connect the oscilloscope to pin (1) of P801.
Page 26 Adjusting conditions Adjusting procedure In the process mode, select L3. Check the bass, tre- 24 Audio system performance check In the process mode, select L4. Check the picture, 25 R G B brightness, red, blue, clock, phase, horizontal posi- performance tion, and vertical position.
Page 27 Process adjustment mode menu (Selection button: Mute key) 1) Main menu 2) A/D menu ADJ IN Ver. 0.1 OUTPUT 1 OUTPUT 2 OUTPUT 3 GAIN VIDEO 1 This menu is to VIDEO 2 select the gamma LINE setting for normal operation or for PATTE RN process operation.
Page 28 XG-XV1 E/A 7) VIDEO2 menu 8) LINE menu VIDEO 2 LINE VROS This menu is to VGOS select the gamma VBOS setting for usual R-GAIN operation or for B-GAIN process operation TEMP OFF (Initial setting: TEMP CHECK OFF) TIME Lamp on time display Initialization (EEPROM) I Initialization (without blue...
Page 29: Troubleshooting Table
TROUBLE SHOOTING TABLE Power on Is the right input selected? - - - - m - - - m - - - - - - - , Select the right input with remote , control. _ - - - - - - _ - - - - - - - - I Are the PC, video and LCP cables as specified and properly connected? With the contrast control at maximum...
Page 30 TROUBLE SHOOTING TABLE Checking the clock circuit and its peripheral circuits I X8002 or its peripheral part faulty. - _ _ - - - - - - - - - - - _ _ I Is pin (3) of IC8001 oscillating? Does pin (63) of IC8001 function? , Check the sync signal circuit and its t - - - - - - - - - - - - - - - -...
Page 31 TROUBLE SHOOTING TABLE (Continued) Checking the PLL circuit and its peripheral circuits No’ Is there signal at pin (236) of IC8020? - - - - - - - - - - _ I Is there signal at pin (15) of IC8051? - - - - - - _ - - - _ _ _ _ _ _ I Check the video circuit and its peripheral circuits.
Page 32 TROUBLE SHOOTING TABLE (Continued) : Checking the XGA’ s Checking the VGA’ s red video circuit and red video circuit and its peripheral its peripheral circuits c i r c u i t s Is there signal at pin (13) of IC8004? Is there signal at pin (13) of IC8004? LCP circuitry faulty.
Page 33 TROUBLE SHOOTING TABLE (Continued) Checking the VGA’ s Checking the XGA’ s green video circuit green video circuit and its peripheral and its peripheral circuits circuits Is there signal at pin (8) of IC8004? Is there signal at pin (8) of IC8004? LCP circuitry faulty.
Page 34 TROUBLE SHOOTING TABLE (Continued) Checking the VGA’ s Checking the XGA’ s blue video circuit blue video circuit and its peripheral and its peripheral circuits circuits Is there signal at pin (3) of IC8004? Is there signal at pin (3) of IC8004? Is there signal at pin (3) of IC8006? Is there signal at pin (3) of IC8006? - - - - - - - -...
Page 35 XG-XV1 WA TROUBLE SHOOTING TABLE (Continued) Are there signals at pins (7), (8) (37) and (38) of TC2? LCP circuitry faulty. Are there signals at pins (1) and (2) of Are there signals at pins (71), (74) thru (79) of lC8025? Checking the remote control Run the remote control.
Page 36 TROUBLE SHOOTING TABLE (Continued) j Checking the video system I Is the lamp on? Go to “ Checking lamp light-up” . - - - - - - - _ - - - - - - - - I Is specified voltage fed to EA and EB connectors? - - - - - - - - - - - - - - - - I Yes...
Page 37 XG-XV1 E/A TROUBLE SHOOTING TABLE (Continued) Checking the oscillation circuit Are voltages at IC401 and IC402 as specified? Are there signal inputs at pins (6) and (7)? - - - - - - - - - - - - _ _ _ _ I Check the oscillation of X401 and Is there oscillation waveform output at pin (1) of IC403? 14.31818 MHz...
Page 38 TROUBLE SHOOTING TABLE Checking the chroma and Y signals of IC801 (RGB signal output) Are there signal inputs at pins (12)(Y signal) and (1 S)(chroma signal) of Go to “ Checking the video unit circuit” . Are there output waveforms at pins - - - - - - - - - - - - - - - - I Checking IC806 (3-D noise reduction circuit) and its peripheral circuits...
Page 39 TROUBLE SHOOTING TABLE (Continued) Is there chroma signal input at pin Go back to the signal processing Are there signal outputs at pins Check the oscillation of X801 and f X802, and their peripheral circuits, f - - _ - - - - - - - - _ _ - - _ I Check IC803, IC804 and their , peripheral circuits, - - - - - - - - - - - - - - _ _ I...
Page 40: No Or Unusual Horizontal Sync
TROUBLE SHOOTING TABLE (Continued) No or unusual horizontal sync Is there horizontal sync pulse output at pin (56) of IC801? Check IC801 and its peripheral circuits. - - - - - - - - - - - - - - - _ I Is there horizontal sync pulse output at pin (9) of IC603? Check the pulse shapinq circuit of t...
Page 41 TROUBLE SHOOTING TABLE (Continued) Checking the PWB performance Through-output in trouble Remote control in trouble Video input in trouble Go to “ Checking the remote f Feed test pattern signal from control circuit” . output circuit” . I _ _ _ - - - - - - - - - - 1 Is specified cable connected between PC and projector?
Page 42 XG-XV1 E/A TROUBLE SHOOTING TABLE (Continued) Are there signal inputs at Are voltages applied to EA and EB connectors? Go to “ Checking the clock Go to “Checkrng the PWB Check the power unit circuit. , circuit and its peripheral , performance”.
Page 43: No Audio Output
TROUBLE SHOOTING TABLE (Continued) No audio output Are there audio signal outputs at pins No (5) and (27) of X6001? , Check the amplifier of IC301 and , IC302 and their peripheral circuits, , the IC303 control voltage, the Pi 501 I , connectors, etc.
Page 44 TROUBLE SHOOTING TABLE (Continued) Lamp does not light up 1 Replace the lamp. Does the new Lamp was defective. lamp light up? I ----------__-_ Is F701 blown out? across C1701? Replace F1701. - - - - - - - - - - - - - - Power unit in trouble.

Sharp XG-XVI E/A Service Manual

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