JVC HD-52Z575, Service Manual

Page 1: ...ited No YA092B 2004 8 REAR PROJECTION TELEVISION 52096 2003 02 HD 52Z575 HD 52Z585 HD 61Z575 HD 61Z585 TABLEOFCONTENTS 1 PRECAUTIONS 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 7 3 DISASSEMBLY 1 11 4 ADJUSTMENTS 1 23 5 TROUBLESHOOTING 1 34 BASIC CHASSIS RP2 REVISED ...

Page 2: ...ent screen unitized fresnel lens lenticular lens aspect ratio 16 9 Screen Size 52 132cm Measured diagonally H 115 1cm 45 3 8 x V 64 8cm 25 5 8 61 155cm Measured diagonally H 135cm 53 1 4 x V 76cm 30 Speaker 10cm round x 2 Oblique corn Audio Power Output 10W 10W Antenna Terminal VHF UHF 75Ω unbalanced coaxial F type connector x 1 External Input INPUT 1 2 3 4 Video Audio 1V p p 75 Ω negative sync RC...

Page 3: ... or adjusted See ADJUSTMENT OF B1 POWER SUPPLY 8 Do not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button 9 When service is required observe the original le...

Page 4: ... hazards Do not block the ventilation holes as this may cause the internal temperature to rise and possibly result fire 1 2 2 INSTALLATION REQUIREMENTS Ensure that the minimal distance is maintained as specified below between the unit with and the surrounding walls as well as the floor etc Install the unit on stable flooring Take precautionary measures to prevent the unit from tipping in order to ...

Page 5: ...n take out the the left speaker panel 4 Loosen 1 screw then take out the lamp cover 5 Loosen 2 screws then take out the lamp unit 6 Install the new lamp unit 7 Re install the lamp cover 8 Re install the left speaker panel 9 Re install the screw to the rear panel NOTE After installing the new lamp unit do not forget to reset the lamp timer 1 3 6 HOW TO RESET THE LAMP TIMER Refer to the USERS GUIDE ...

Page 6: ...t lens section 5 After the replacement of the OPTICAL BLOCK projection lens focus adjustment and drive convergence projection adjustment are required 1 5 SCREEN HANDLING CAUTIONS 1 5 1 SCREEN STORAGE Store the SCREEN ASS Y in a standing position in order to avoid deformation If the screen is stored horizontally there is risk of deforming the screen face When necessary to place the SCREEN ASS Y hor...

Page 7: ... H 1312 x V 800 Pixel number about 3200000 Pixel size H 12 0µm x V 12 0µm Aspect ratio 16 9 Contrast ratio 1000 1 Aperture ratio 93 or more Effective pixel measurement 0 7 inch R DEVICE G DEVICE B DEVICE Lamp unit Incident light Device B RG B B R G R Projection light G Mirror Mirror Mirror FRONT DEVICE UNIT SECTION TOP VIEW Device Device Incident light Pixel FRONT Incident light Projection light G...

Page 8: ... 4 O Not used 43 P5 3 O Not used 44 P5 2 O Not used 45 P5 1 O Not used 46 P5 0 WR O CPU programming mode select Normal L 47 P4 7 MICON_TX O Data transmission for sub chassis CPU communication serial 48 P4 6 MICON_RX I Data receive for sub chassis CPU communication serial 49 P4 5 MI_CLK I Clock for sub chassis CPU communication serial 50 P4 4 O Not used Pin Port Pin name I O Function 51 P4 3 O Not ...

Page 9: ...for front switch VOL VOL 48 P80 O Not use NC 49 P81 O Not use NC 50 TM0IO AC IN I AC power pulse for timer clock Pin Port Pin name I O Function 51 SBI3 BS TXD O Not use Data transmission for digital tuner communication 52 SBO3 BS RXD I Not use Data receive for digital tuner communication 53 P85 O Not use NC 54 VREF 3 3V I 3 3V power supply 55 SBI4 PDP TX O Data transmission for SUB DRIVE CPU commu...

Page 10: ... of the remote control unit LP20873 009 set the value to 0 using the START DEBUT START DEBUT keys 4 In the same manner set the value to 3 using the STOP FIN STOP FIN keys 5 In the same manner set the value to 6 using the DATE DATE keys 6 In the same manner set the value to C using the PR PR keys 7 When completed with all of the above settings press the Transmission key Remote control unit with LC ...

Page 11: ...PEAKER GRILL Take out the FRONT PANEL 1 Remove the 4 screws I 2 Remove 10 screws J from rear side 3 Take out the SCREEN BLOCK CAUTION Place the SCREEN BLOCK on a flat table without fail Because of the large size at least 2 parsons are recommended for removal and reassemble Use care not to scratch the screen during work During assembly be sure to engage the left and right tabs with the cabinet moun...

Page 12: ...ED PWB SPEAKER GRILL R CUSHION SPEAKER FRONT PANEL SPEAKER GRILL L FILTER COVER SCREEN BRACKET SCREEN BLOCK SCREEN ASSY FRONT CABINET FRONT PANEL FILTER COVER SPEAKER C x4 C x4 D x4 F x2 x1 x1 G x2 H x2 G x2 I x4 L 52V x16 61V x20 K 52V x20 61V x24 J B A x10 E x1 ...

Page 13: ... Remove 4 screws B 2 Take out the SIDE CONTROL BASE 3 1 13 SIDE CONTROL PWB Take out the SCREEN BLOCK Take out the SIDE CONTROL BASE 1 Remove 4 screws C from rear side of SIDE CONTROL BASE 2 Take out the SIDE CONTROL PWB 3 1 14 BACK COVER Take out the FRONT PANEL Take out the SCREEN BLOCK 1 Remove 13 screws D 2 Remove 2 screws E from rear side 3 Slightly pull for backside to disengage of the BACK ...

Page 14: ...NIT removed for long time to prevent soiling from dust Because of the large size at least 2 persons are recommended for removal and reassemble When carrying the MAIN UNIT use care not to drop shock or shake it Do not stain or damage the projection lens Do not look directly at the light during service Do not touch the lamp directly as it presents a burn hazard NOTE When not performing repair work a...

Page 15: ...erform the SYSTEM SETTING on page 1 10 when DIGITAL SIGNAL PWB is replaced 3 1 22 RECEIVER PWB Take out the BODY COVER Take out the BODY BRACKET Take out the MAIN UNIT Take out the AV TERMINAL BOARD Take out the PWB HOLDER 1 Remove 1 screw J 2 Take out the ANALOG PWB BRACKET with PWB RECEIVERPWB ANALOGSIGNALPWB REGULATOR PWB 3 Disconnect the connector CN10FC CN10PH CN100R CN10PH CN100A CN100T CN10...

Page 16: ...IGNAL PWB REGULATOR PWB ANALOG PWB BRACKET ANALOG SIGNAL PWB RECEIVER PWB SUB DRIVE PWB PWB HOLDER REAR JACK PWB ANTENNA TERMINAL AV TERMINAL BOARD EARTH WIRE POWER CORD CLAMP EARTH WIRE SHIELD COVER FRONT BODY A B C D J E K x2 x4 x2 x1 x5 x1 x1 x4 x6 x4 L M N F G x5 x1 x1 x1 I H ...

Page 17: ...ion on the body side When installing this kit OPTICAL DRIVE ASS Y to the set first mount the FRONT SHADE BRACKET and SHADE COVER with cushion to the kit lens section Do not leave the OPTICAL DRIVE ASS Y removed for long time to prevent soiling from dust 3 1 30 MAIN DRIVE PWB Take out the BODY COVER Take out the BODY BRACKET Take out the MAIN UNIT 1 Take out the TOP DUCT PLATE 2 Remove 2 screws H 3...

Page 18: ...AST BRACKET BOTTOM UNIT BASE SIROCCO TOP CASE LAMP COVER SW PWB TEMP SENSOR PWB REMOTE SENSOR PWB FRONT SHADE BRACKET OPTICAL BLOCK COOLING FAN COOLING FAN LAMP BALLAST UNIT LAMP COOLING FAN SHADE COVER FAN CONTROL PWB MAIN DRIVE PWB SHIELD PLATE TOP DUCT SHIELD TOP CASE OPTICAL BLOCK x2 H x4 I TOP DUCT PLATE F E x2 x4 x2 x4 x4 x4 x1 x1 x2 x2 J M x1 R x4 x3 K A L B G C D x3 x3 x7 N O P Q ...

Page 19: ...shown in Fig 2 and Fig 5 11 Install the TOP DUCT 12 Install 2 screws G as shown in Fig 5 13 Install the TOP DUCT PLATE as shown in Fig 5 14 Attach the shield copper film tapes 4 positions H and I as shown in Fig 3 and Fig 5 15 Then attach the shield copper film tapes 11 positions J K L and M as shown in Fig 4 and Fig 5 1 9 ASSEMBLY PROCESS Fig 1 OPTICAL BLOCK FRONT SHIELD PLATE SHIELD PLATE x2 B A...

Page 20: ...key to return the SERVICE MENU 5 Receive channel setting Refer to the OPERATING INSTRUCTIONS USER S GUIDE and set the receive channels Channels Preset as described 6 User settings Check the user setting items according to after page Where these do not agree refer to the OPERATING INSTRUCTIONS USER S GUIDE and set the items as described Fig 1 3 2 3 SERVICE MENU SETTING ITEMS Fig 2 Setting item Item...

Page 21: ...25i 750p 00 00 00 00 DETAIL NTSC 525i 525p 00 05 00 00 1125i 750p 00 05 00 00 COLOR TEMPERATURE NTSC 525i 525p LOW HIGHT HIGHT HIGHT 1125i 750p LOW HIGHT LOW HIGHT 2 PICTURE ADJUST 2 3 SOUND ADJUST 4 CLOCK TIMERS Setting item Setting position Setting item Setting position Setting item Setting position DIG NOISE CLEAR OFF TREBLE 00 SET CLOCK Unnecessary to set NATURAL CINEMA AUTO BASS 00 ON OFF TIM...

Page 22: ...the tweezers and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part Note After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as i...

Page 23: ...pacitors etc 4 2 PRESETTING BEFORE ADJUSTMENT Unless otherwise specified in the adjustment instructions preset the following functions with the remote control unit 4 3 MEASURING INSTRUMENT AND FIXTURES 1 DC voltmeter or Digital voltmeter 2 Oscilloscope 3 Signal generator Pattern generator NTSC 525i 750p 1125i DIGITAL 4 TV audio multiplex signal generator 5 Remote control unit 4 4 ADJUSTMENT ITEMS ...

Page 24: ...re memorize the data the adjustment which your changed value is canceled 2 Adjustment data is applied at once in OPTICAL BLOCK DRIVE CIRCUIT adjustment mode CAUTION 4 5 6 HOW TO EXIT THE SERVICE MENU Press the MENU key to exit the SERVICE MENU Individual items 1 2 and 3 on the SERVICE MENU screen Fig 1 are selected by the Number key Fig 2 When selecting each item on the SERVICE MENU if 4 8 keys ot...

Page 25: ...ng 4 5 8 4 9 RGB BOX PATTERN Adjustment of DRIVE CIRCUIT CONVERGENCE CENTER POSITION OSD EXPLAIN NTSC3 NTSC3 58 NTSC4 NTSC4 48 525I 525i 525P 525p 750P 750p 1125I6 1125i 60Hz RGB5 RGB 525i D525I digital 525i D525P digital 525p D1256I6 digital 1125i 60Hz H525I HDMI 525i H525P HDMI 525p H750P HDMI 750p H1125I6 HDMI 1125i 60Hz SINGLE 1409 FULL 1609 PANORAMA 1609S CINEMA FULL REGULAR TWIN INDEX FRZ TW...

Page 26: ... 0 S021 PC CL MR 0 3 0 S022 PC CL LR 0 255 0 S023 NO DISPLAY 0 255 0 S024 NO DISPLAY 0 255 0 S025 NO DISPLAY 0 255 0 S026 NO DISPLAY 0 255 0 S027 NO DISPLAY 0 255 0 S028 NO DISPLAY 0 255 0 S029 NO DISPLAY 0 255 0 S030 R DRIVE 0 255 0 S031 G DRIVE 0 255 0 S032 B DRIVE 0 255 0 S033 NO DISPLAY 0 255 0 S034 NO DISPLAY 0 255 0 S035 NO DISPLAY 0 255 0 S036 NO DISPLAY 0 255 0 S037 NO DISPLAY 0 255 0 S038...

Page 27: ... 00 D058 NO DISPLAY 0 FF 00 D059 NO DISPLAY 0 FF 00 Item No Item name Variable range Setting value D060 NO DISPLAY 0 FF 00 D061 NO DISPLAY 0 FF 00 D062 NO DISPLAY 0 FF 00 D063 NO DISPLAY 0 FF 00 D064 NO DISPLAY 0 FF 00 D065 NO DISPLAY 0 FF 00 D066 NO DISPLAY 0 FF 00 D067 NO DISPLAY 0 FF 00 D068 NO DISPLAY 0 FF 00 D069 NO DISPLAY 0 FF 00 D070 NO DISPLAY 0 FF 00 D071 NO DISPLAY 0 FF 00 D072 NO DISPL...

Page 28: ...NO DISPLAY 0 FF 00 D151 NO DISPLAY 0 FF 00 D152 NO DISPLAY 0 FF 00 D153 ENH ONF 0 FF 00 D154 NO DISPLAY 0 FF 00 Item No Item name Variable range Setting value D155 NO DISPLAY 0 FF 00 D156 NO DISPLAY 0 FF 00 D157 NO DISPLAY 0 FF 00 D158 NO DISPLAY 0 FF 00 D159 NO DISPLAY 0 FF 00 D160 NO DISPLAY 0 FF 00 D161 NO DISPLAY 0 FF 00 D162 NO DISPLAY 0 FF 00 D163 NO DISPLAY 0 FF 00 D164 NO DISPLAY 0 FF 00 D...

Page 29: ... the R mode to setting as same as G mode by pressing the CH CH key 6 Select the B mode pressing by the DISPLAY key 7 Adjust the B mode to setting as same as G mode by pressing the VOL VOL key 8 Check to see that the cross pattern is white If the cross pattern is not white readjust 5 to 6 Note G mode FIXED mode Can not remove Setting data Memorized at once Focus lock screw FOCUS knob Projection len...

Page 30: ... the VOL VOL key Note Setting data Memorized at once RGB BOX PATTERN C D A B Indicated RGB mode Cross pattern Center cross pattern RGB INPUT 2 INPUT 3 INPUT 4 DIGITAL IN V2 V3 V4 D IN DIGITAL IN THEATER SLEEP TIMER DISPLAY LIGHT MUTING MENU BACK C C REW VCR CHANNEL PREV NEXT VCR DVD POWER TV VCR FF PLAY REC PAUSE OPEN CLOSE STILL PAUSE STOP CH CH VOL VOL OK D IN C C SOUND VIDEO STATUS PRO RETURN 4...

Page 31: ...m 6 and 7 then check to see that both ends color to white 10 Adjust S001 from 008 to 000 it change to the normal mode 1125i BRIGHTNESS adjustment Signal generator Remote control unit 1 ADJUST S001 PREPARE S012 HD BL 1125i brightness S030 R DRIVE Red drive S031 G DRIVE Green drive S032 B DRIVE Blue drive 1 Input a 1125i gray scale pattern from COMPONENT VIDEO INPUT terminal 2 Set VIDEO STATUS to ST...

Page 32: ... mode SUB SCREEN A D OFFSET adjustment Signal generator Remote control unit 1 ADJUST S001 PREPARE S016 RT CB OF Sub screen Cb offset S017 RT CR OF Sub screen Cr offset S030 R DRIVE Red drive S031 G DRIVE Green drive S032 B DRIVE Blue drive 1 Set VIDEO STATUS to STANDARD 2 Set ASPECT to FULL 3 Set COLOR TEMPERATURE to LOW 4 Set MULTI SCREEN to TWIN 5 Set the LEFT screen to VIDEO 1 mode No signal 6 ...

Page 33: ...Measuring instrument Test point Adjustment part Description MTS INPUT LEVEL adjustment Remote control unit 1 ADJUST T001 IN LEVEL 1 Select the 1 ADJUST from the SERVICE MENU 2 Select the T001 IN LEVEL 3 Set the T001 IN LEVEL to initial setting value 4 Press the MUTING key to memorized the set value MTS SEPARATION adjustment TV audio multiplex Oscilloscope Remote control unit 1 ADJUST T002 LOW SEP ...

Page 34: ...e TO CLEAR RESET FAILURE HISTORY Turn off the power by pressing the POWER key on the remote control unit when in the SELF CHECK display screen 5 1 4 FAILURE HISTORY Failure history can be counted up to 9 times for each item When the number exceeds 9 display will remain as 9 Failure history will be stored in the memory unless it has been deleted NOTE Only SYNC with without sync signals will be neit...

Page 35: ...U IC7601 DIGITAL SIGNAL PWB WAKE If it checks whenever sync communicationwithSHMperformedand no reply of ACK signal an error will be counted Digital tuner DIGI Not used Memory for chassis CPU MEM Confirmation of reply of ACK signal which used I2C communication IC7602 DIGITAL SIGNAL PWB SDA If checks whenever I2 C communication is performed and no reply of ACK signal an error will be counted AV swi...

Page 36: ... supply electric current monitored constantly within the lamp ballast unit H Off LAMP BALLAST UNIT CN200 3pin 3 0 1 sec interval Simultaneously 0 1 sec interval Simultaneously Lamp goes out Detection of lamp return LAMP_RTN signals output depending on the status of the lamp supply electric current monitored constantly within the lamp ballast unit H Off LAMP BALLAST UNIT CN200 3pin 3 0 1 sec interv...

Page 37: ...B WPC Printed in Japan JVC SERVICE ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP www jvcservice com US Only JVC CANADA INC Head office 21 Finchdene Square Scarborough Ontario M1X 1A7 416 293 1311 ...