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XV-Z1E/A

SHARP CORPORATION

SERVICE MANUAL
SERVICE-ANLEITUNG

PAL/SECAM/NTSC SYSTEM

LCD PROJECTOR
LCD PROJEKTOR

Im lnteresse der Benutzersicherheit (erforderliche Sicherheitsregeln in einigen Ländern) muß das Gerät in seinen
Originalzustand  gebracht werden.  Außerdem dürfen für die spezifizierten Bauteile nur identische Teile verwendet
werden.

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.

MODELS
MODELLE

XV-Z1E/A

TENTATIVE

Summary of Contents for XV-Z1A

Page 1: ...einigen Ländern muß das Gerät in seinen Originalzustand gebracht werden Außerdem dürfen für die spezifizierten Bauteile nur identische Teile verwendet werden 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 MODELS MODELLE XV Z1E A TENTATIVE ...

Page 2: ...SICHT DER OPTIKEINHEIT 56 EINSTELLUNG VON KONVERGENZ UND BRENNPUNKT 57 ELEKTRISCHE EINSTELLUNG 61 STÖRUNGSSUCHTABELLE 69 Seite Seite NOTE TO SERVICE PERSONNEL 3 SPECIFICATIONS 4 OPERATION MANUAL 6 REMOVING OF MAJOR PARTS 9 CONTROLLING THE TOTAL OPERATING HOURS OF THE LAMP 14 RESETTING THE LAMP OPERATING HOUR COUNTER 15 THE OPTICAL UNIT OUTLINE 16 CONVERGENCE AND FOCUS ADJUSTMENT 17 ELECTRICAL ADJU...

Page 3: ... not operate for more than 2 hours with the enclosure removed UV Radiation and Medium Pressure Lamp Precautions 1 Be sure to disconnect the AC plug when replacing the lamp 2 Allow one hour for the unit to cool down before servicing 3 Replace only with same type lamp Type CLMPF0042DE01 rated 75V 265W 4 The lamp emits small amounts of UV Radiation avoid direct eye contact 5 The medium pressure lamp ...

Page 4: ...4 XV Z1E A Specifications ...

Page 5: ...5 XV Z1E A Specifications ...

Page 6: ...6 XV Z1E A Location of Controls ...

Page 7: ...7 XV Z1E A Operating the Wireless Mouse Remote Control ...

Page 8: ...8 XV Z1E A Demensions Units mm ...

Page 9: ...ls side 1 3 Detach the terminal door and remove the four screws off the terminal cover 1 4 Slowly lift the back of the top cabinet and disconnect the operation key unit connector KY Pull up and away the top cabinet 1 5 Place the top cabinet upside down Remove the four screws off the operation key unit Take out the operation key unit REMOVING OF MAJOR PARTS 1 1 1 2 1 4 1 3 1 2 KY Terminal Door Top ...

Page 10: ... the front right cabinet forward Pull it up out of position 2 2 Tilt the front left cabinet forward Disconnect the infrared R C receiver unit Pull up the cabinet out of position 2 2 2 1 Front right Cabinet Infrared R C Receiver Unit Front left Cabinet ...

Page 11: ...nd the screw from the static ground lead Pull up the cabinet and disconnect the speaker connector SP Now the rear cabinet is free 3 2 Remove the four screws off the video terminal cover Detach the cover a b 3 1 SP Boss Make sure the bimetal lead terminals are at the bottom of the boss a and rib b Rib Rear Cabinet ...

Page 12: ...nsulating barrier the ground leads and the connectors FN Q LL FF LF BL RC and EA Pull up and away the output unit and the signal Video Input terminal unit 4 4 Remove the screw off the back of the output unit Separate this unit from the signal PC terminal unit 4 5 Remove the screw off the bottom cabinet and the screw off the power panel Now take out the power panel 4 1 4 1 4 3 4 3 4 2 4 4 4 1 4 5 I...

Page 13: ... socket 5 3 Disconnect the bimetal connector BA Remove the four screws off the optics mechanism assembly and pull up and away this assembly 5 4 Remove the two screws off the exhaust panel Separate the panel from the bottom cabinet 5 5 Remove the screw off the power ballast unit assembly Pull up and away the unit 5 1 5 5 5 1 5 3 5 3 5 2 5 3 BA 5 3 5 4 Power Ballast Unit Carrying Handle Exhaust Pane...

Page 14: ... up during use of the unit the LAMP display starts flashing in red on the screen for 5 minutes at the very 2000 hour point Five minutes later the power turns itself off and the unit is interrupted The lamp LED indicator stays red since the 1900 hour point If you try to turn on the power three times after the 2000 hour point the unit remains off 3 When the 2000 hour point comes up take the followin...

Page 15: ...resetting procedure Resetting the lamp operating hour counter 1 Hold down the ENTER ADJ and ADJ buttons on the unit and turn on the main power switch located above the AC inlet 2 Now the unit is turned on and the lamp operating hour counter is reset to zero 000H appears on the screen MN EN IN OFF ON ENTER ADJ ADJ Turn on the main power switch located above the AC inlet Hold down the ADJ ADJ and EN...

Page 16: ...V cut filter Metal halide lamp Light source Relay lens 1 AL deposited face A L c o a t e d m i r r o r B Projection Lens B r e f l e c t o r Cross dichroic prism Incident polarizer plate B Relay lens 3 Relay lens 2 Incident polarizer plate G Condenser lens G Fly eye lens outgoing light Condenser lens R M3 M6 M4 M2 M5 M1 THE OPTICAL UNIT OUTLINE The M3 mirrors have a coating wedge for different fil...

Page 17: ...n Loosen the lock screws b and c and insert the eccentric screwdriver into the notch and hole b Turn the screwdriver until the right and left halves on the screen get into focus First get the right and left halves in balance Then improve the accuracy while making the adjustment 2 below 2 Top center bottom focus adjustment θX and Z directions Loosen the lock screws a and c and insert the eccentric ...

Page 18: ...am θZ direction adjustment Lock screw d convergence adjustment R B adjusting plate R B LCD R B LCD panel mounting screws TOP VIEW SIDE VIEW SIDE VIEW Lock screw a FRONT R LCD G LCD B LCD G LCD Convergence and Focus Adjustments Mechanism Note 1 The eccentric cam is used for convergence adjustment This means that the cam s turning and the linear movement are not always uniform 2 This model is not eq...

Page 19: ...ection c Notch and hole c Z θX and θY directions Convergence and Focus Adjusting and Tightening Tools X direction 0 8mm Eccentric cam Eccentric cam adjusting wrench d Hex wrench Convergence Y direction 0 8mm Eccentric cam Eccentric cam adjusting wrench d Hex wrench R B θZ direction 1 Eccentric cam Eccentric cam adjusting wrench d Hex wrench colours Z direction 0 8mm Notch and hole a c Eccentric sc...

Page 20: ...justing plate 5 Mount a new LCD panel in the reverse order of the above steps 1 2 3 and 4 Readjust the convergence and focus Note that the G LCD panel needs no convergence adjustment and has a small adjustment range in the Z direction X Z θY TOP VIEW SIDE VIEW SIDE VIEW X Z θY X Y θZ X Y θZ G LCD panel mounting screws G adjusting plate Lock screws c Lock screws c Lock screws c Lock screws b R B ad...

Page 21: ...evel and pulse width of R4313 R4320 same as NTSC 3 VCO primary OSC L1001 1 No signal 2 Short theTP1001 and GND 3 Connect the frequency counter to TP1002 and GND Adjust frequency of the core of L1001 fo 15 625 0 01kHz 4 H center NTSC DAC 1 Receive the monoscope pattern signal of NTSC 2 Push S2001 and set the fol low DAC mode Group VIDEO 1 Subject H CENT 9 setting Group TEST Subject H POS Using the ...

Page 22: ...pe to pin 3 of P1501 3 Push S2001 and set the fol low DAC mode Group VIDEO 5 Subject C BRIGHT Using the Operation key swsitch adjust the black level as same as clamp level 6 Reference black Level 1 Receive the 10 step gray scale signal NTSC or PAL 2 Connect the oscilloscope to pin 3 of P1501 3 Group VIDEO 5 Subject T BRT Using the Operation key switch adjust the black level as same as pedestal lev...

Page 23: ...e fol low DAC mode Group VIDEO 2 Subject SIG CTR Using the Operation key switch adjust level be tween signal center and GND DC 7 0 0 1Vp p 10 AGC 1 Receive the 10 step gray scale signal of NTSC 2 Connect the oscillosope to pin 3 of P1501 3 Push S2001 and set the fol low DAC mode Group VIDEO 5 Subject AGCADJ Using the Operation key switch adjust level be tween black and 100 white level 1 2 0 05Vp p...

Page 24: ...y scale signal of NTSC 2 Connect the oscilloscope to pin 2 of P4303 3 Push S2001 and set the fol low DAC mode Group VIDEO 2 Subject SUB BIAS 4 Connect the oscilloscope to pin 1 of P4303 Subject R BIAS 5 Connect the oscilloscope to pin 3 of P4303 Subject B BIAS Using the Operation key switch adjust level be tween signal center and reference level DC 2 0 0 1Vp p SUB BIAS R BIAS B BIAS 16 BRIGHT DAC ...

Page 25: ...ct the oscilloscope to pin 3 of P4303 Group VIDEO 4 Subject B GAM 1 B CTR 1 Using the Operation key switch adjust level be tween 2nd gradation and GND for 4 4 0 1Vp p adjust level between black level and GND for 3 0 0 1Vp p 18 SID signal level 1 Receive the 10 step gray scale signal of NTSC 2 Connect the oscilloscope to pin 6 of P4303 3 Push S2001 and set the fol low DAC mode Group VIDEO 3 Subject...

Page 26: ...et the fol low DAC mode Group VIDEO 2 Subject P COLOR Using the Operation key switch adjust level be tween Red and 100 white level 0 35 0 05Vp p 19 TINT DAC 1 Receive the colour bar sig nal 2 Connect the oscilloscope to pin 2 of P1501 3 Push S2001 and set the fol low DAC mode Group VIDEO 2 Subject TINT Using the Operation key switch adjust the freshtone B Y waveform 21 Colour of NTSC DAC 1 Receive...

Page 27: ...up VIDEO 2 Subject R BIAS B BIAS Using the Operation key switch adjust visually to the white 23 SECAM COLOUR DAC 1 Receive the colour bar sig nal of SECAM 2 Connect the oscilloscope to pin 1 of P4303 3 Push S2001 and set the fol low DAC mode Group VIDEO 2 Subject S COLOR Using the Operation key switch adjust level be tween red and 100 white level 0 2 0 05Vp p 25 Common DC bias DAC VCOMCTR RC GC BC...

Page 28: ...SH POS 27 Sign display position L2003 1 Receive the monoscope signal of NTSC or PAL 2 Push the volume key Adjust L2003 so the volume sign on screen display is symmetrical to the right and left side 30 Samplehold 1 Receive the colour bar sig nal of NTSC 2 Push S2001 and set the fol low DAC mode Group TEST Subject SH POS Using the Operation key switch adjust the 8 points of SH POS 28 Vertical positi...

Page 29: ... D A outputs of IC1007 IC1008 and IC1030 as specified Go to Checking the B signal line of output PWB Through output in trouble Power circuit in trouble Go to Checking the through output circuit Are D A outputs of IC1003 IC1004 and IC1028 as specified Go to Checking the G signal line of output PWB Are D A outputs of IC1005 IC1006 and IC1029 as specified Go to Checking the R signal line of output PW...

Page 30: ...s there sync signal input at pins 15 216 or 217 of IC1201 Are there signal inputs at pins 1 2 3 5 thru 8 127 thru 130 132 thru 136 138 139 145 thru 149 151 thru 154 156 thru 160 of IC1206 Are there signal inputs at pins 143 144 146 147 148 152 and 154 of IC1001 Are there signal outputs at CH10 thru CH17 CH20 thru CH27 CH30 thru CH37 CH40 thru CH47 CH50 thru CH57 and CH60 thru CH67 of IC1001 Check ...

Page 31: ...ere sync signal input at pins 15 216 or 217 of IC1201 Are there signal outputs at pins 1 2 3 5 thru 8 127 thru 130 132 thru 136 138 139 145 thru 149 151 thru 154 156 thru 160 of IC1206 Are there signal outputs to pins 129 131 132 133 136 137 138 and 142 of IC1001 Are there signal outputs at CH10 thru CH17 CH20 thru CH27 CH30 thru CH37 CH40 thru CH47 CH50 thru CH57 and CH60 thru CH67 of IC1001 Chec...

Page 32: ...le Is there sync signal input at pins 15 216 or 217 of IC1201 Are there signal outputs at pins 1 2 3 5 thru 8 127 thru 130 132 thru 136 138 139 145 thru 149 151 thru 154 156 thru 160 of IC1206 Are there signal outputs at pins 156 157 158 162 163 164 166 and 167 of IC1001 Are there signal outputs at CH10 thru CH17 CH20 thru CH27 CH30 thru CH37 CH40 thru CH47 CH50 thru CH57 and CH60 thru CH67 of IC1...

Page 33: ...el Connector GP poorly soldered or in trouble Yes Does flicker happen Go to Checking the image for shifting Yes Is frame pulse fed to pin 1 of connector GP Yes Is common bias at pin 24 of connector GP as specified Yes Panel in trouble Yes Yes Q4024 Q4025 Q4026 or their signal line in trouble Does frame pulse go out of IC4077 Yes Are FRP1 and FRP2 signals fed to pins 9 and 12 of IC4077 Any of IC403...

Page 34: ...7 IC4401 thru IC4406 IC4436 IC4407 or nearby circuit in trouble Yes Are signals fed from pins 2 thru 7 of connector RP to the panel Connector RP poorly soldered or in trouble Yes Does flicker happen Go to Checking the image for shifting Yes Is frame pulse fed to pin 1 of connector RP Yes Is common bias at pin 24 of connector RP as specified Yes Panel in trouble Yes Yes Q4024 Q4025 Q4026 or their s...

Page 35: ... IC4001 thru IC4006 IC4007 IC4008 or nearby circuit in trouble Yes Are signals fed from pins 2 thru 7 of connector BP to the panel Connector BP poorly soldered or in trouble Yes Does flicker happen Go to Checking the image for shifting Yes Is frame pulse fed to pin 1 of connector BP Yes Is common bias at pin 24 of connector BP as specified Yes Panel in trouble Yes Yes Q4024 Q4025 Q4026 or their si...

Page 36: ...BK of IC1013 Connector or nearby circuit in trouble Go to Checking the PLL circuit IC2003 IC2004 or nearby circuit in trouble No Yes Yes No Is there signal output at pin 3 IN of IC2005 Is there signal output at pin 216 C of IC1201 Connector or nearby circuit in trouble Go to Checking the PLL circuit IC2005 or nearby circuit in trouble No Yes Yes No Is there signal output at pin 15 DOTCLK of IC1013...

Page 37: ...at pins 29 and 30 of connector CA Remote control receiver or its nearby circuit in trouble Checking the through output circuit Yes No Yes No Is specified cable connected between LCP and monitor Yes No IC2003 IC2004 IC2005 or nearby circuit in trouble Does analog output come from PC No digital output Use specified cable Are LCP and monitor in sync IC2001 or nearby circuit in trouble ...

Page 38: ...nputs at pin 39 C signal input at pin 20 of IC801 Check peripheral circuit of IC803 IC814 Check peripheral circuit of IC408 IC401 IC410 Yes No Are there RGB signal at pins 5 7 and 9 of CC connector Check peripheral scan convertor circuit Yes No Are there RGB signal at pins 9 10 and 11 of IC4028 Check peripheral double scan circuit Yes No Are there RGB signal at pin 5 of IC4001 R signal at pin 5 of...

Page 39: ...n trouble Set user control to standard value Check the video board Is colour mode judged properly Does user control work Video board in trouble Yes Change process value for adjustment Replace the video board Are colour and tint as specified Yes No No No colour or unusual tint with SECAM signal No Yes IC5001 or nearby circuit in trouble IC1201 IC1206 or nearby circuit in trouble Set user control to...

Page 40: ...VSYNC signals from pins 41 and 42 of IC6001 in sync with input signal Check IC6001 and its peripheral circuits Check the signal line from the connector Which of vertical and horizontal syncs fails Is there signal input from pin 22 of connector VS to pin 214 of IC1201 Is there signal input from pin 20 of connector VS to pin 215 of IC1201 Check IC1201 and its peripheral circuits Vertical Horizontal ...

Page 41: ... No Replace Q1702 Yes Is FET drive voltage applied from pin 2 of IC1701 No IC1701 or nearby circuit in trouble Yes No Q1703 or nearby circuit in trouble Replace F704 or TF1701 Is F704 or TF1701 blown out Yes TGU1701 faulty Is voltage applied at TGU1701 No Is voltage applied to pin 16 of IC1701 Is voltage applied to pin 1 of connector BL No Check IC5001 and its peripheral circuits Lamp faulty Repla...

Page 42: ...re audio signal inputs at pins 1 and 9 of IC304 Yes No Are there audio signal inputs at pins 1 and 3 of connector SP Is sound heard with 3D SOUND off IC307 or nearby circuit in trouble IC304 or nearby circuit in trouble Replace speaker Checking IC302 and its peripheral circuits Yes No Are there signal inputs at pins 27 and 28 of IC302 IC306 C320 C321 R334 or related part in trouble Yes No Are ther...

Page 43: ...BALLAST UNIT A REDENC0228CEZA REDENC0240CEZA POWER BALLAST UNIT D REDENC0228CEZD REDENC0240CEZD POWER BALLAST UNIT B REDENC0228CEZB REDENC0240CEZB INPUT UNIT CTANZ0712CE01 OPERATION KEY UNIT RUNTK0566CEZZ OUTPUT UNIT DUNTK9553DE01 02 03 04 OUTPUT SUB UNIT DUNTK9554DE01 02 03 04 SIGNAL UNIT DUNTK9551DE01 02 03 04 R C RECEIVER UNIT DUNTK9552DE01 02 03 04 123 124 ...

Page 44: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 BLOCK DIAGRAM BLOCKSCHALTBILD 125 126 ...

Page 45: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 OVERALL WIRING DIAGRAM GESAMTSCHALTPLAN 127 128 XV Z1E XV Z1A ...

Page 46: ...telt SIGNALFORMMESSUNGEN 1 Die Wellenformen an den Testpunkten werden bei einer Netzspannung von 220V verfolgt Signale werden für die Wartung mit einem Farbbalken Signal generator zugeführt BEZEICHNUNG DES WIDERSTANDS UND KONDENSATORS WIDERSTAND 1 Die Widerstandseinheit Ω wird weggelassen K kΩ 1000 Ω M MΩ 2 Alle Widerstände haben 5 sofern nicht anders angegeben J 5 F 1 D 0 5 3 Alle Widerstände hab...

Page 47: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 141 142 OUTPUT UNIT 1 5 AUSGABEEINHEIT 1 5 SIGNAL TO THEAMISTOR ...

Page 48: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 143 144 OUTPUT UNIT 2 5 AUSGABEEINHEIT 2 5 SIGNAL UNIT ...

Page 49: ...6 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 TO SIGNAL UNIT ...

Page 50: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 147 148 OUTPUT UNIT 4 5 AUSGABEEINHEIT 4 5 ...

Page 51: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 149 150 OUTPUT UNIT 5 5 AUSGABEEINHEIT 5 5 ...

Page 52: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 151 152 OUTPUT SUB UNIT AUSGABE NEBENEINHEIT TO R C ...

Page 53: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 SIGNAL UNIT 1 5 SIGNALEINHEIT 1 5 131 132 ...

Page 54: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 SIGNAL UNIT 2 5 SIGNALEINHEIT 2 5 133 134 ...

Page 55: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 SIGNAL UNIT 3 5 SIGNALEINHEIT 3 5 135 136 ...

Page 56: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 SIGNAL UNIT 4 5 SIGNALEINHEIT 4 5 137 138 ...

Page 57: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 SIGNAL UNIT 5 5 SIGNALEINHEIT 5 5 139 140 ...

Page 58: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 153 154 VIDEO INPUT UNIT 1 2 VIDEOEINGANGSEINHEIT 1 2 CTANZ0712CE01 ...

Page 59: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 155 156 VIDEO INPUT UNIT 2 2 VIDEOEINGANGSEINHEIT 2 2 CTANZ0712CE01 ...

Page 60: ...1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 H G F E D C B A 1 2 3 4 5 6 157 158 POWER BALLAST UNIT A NETZ BALLASTEINHEIT A XV Z1E POWER BALLAST UNIT B NETZ BALLASTEINHEIT B XV Z1E RDENC0228CEZB RDENC0228CEZA ...

Page 61: ...1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 H G F E D C B A 1 2 3 4 5 6 159 160 POWER BALLAST UNIT C NETZ BALLASTEINHEIT C XV Z1E POWER BALLAST UNIT D NETZ BALLASTEINHEIT D XV Z1E RDENC0228CEZC RDENC0228CEZD ...

Page 62: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 H G F E D C B A 1 2 3 4 5 6 161 162 POWER BALLAST UNIT A NETZ BALLASTEINHEIT A XV Z1A POWER BALLAST UNIT B NETZ BALLASTEINHEIT B XV Z1A ...

Page 63: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 H G F E D C B A 1 2 3 4 5 6 163 164 POWER BALLAST UNIT C NETZ BALLASTEINHEIT C XV Z1A POWER BALLAST UNIT D NETZ BALLASTEINHEIT D XV Z1A ...

Page 64: ...XV Z1E A XV Z1E A H G F E D C B A 1 2 3 4 5 6 H G F E D C B A 1 2 3 4 5 6 IN INFRARED R C RECEIVER UNIT INFRAROT EMPFÄNGEREINHEIT OPERATION KEY UNIT BEDIENUNGSTASTENEINHEIT 165 166 ...

Page 65: ... J MM1041XM AG IC405 VHiNJM2233V 1 J NJM2233V AE IC406 VHiBA7046F 1 J BA7046F AF IC408 VHiNJM2283F 1 J NJM2283M AF IC411 VHiTC7S08U 1 J TC7S08FU AE IC412 VHiTC7S04U 1 J TC7S04FU AE IC418 VHiTC4W53U 1 J TC4W53FU AF IC601 RH iX2174CEZZ J MC74HC4538FR AG IC602 VHiTHC4538T 1 J TC74HC4538AFT IC603 VHiTHC4538T 1 J TC74HC4538AFT IC801 VHiTDA8854H 1 J I C BE IC802 VHiLT1253CS 1 J LT1253CS8 AT IC803 VHiTDA...

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