Sharp LC-28HM2 Page 110 Service Manual Download

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Description

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128

LC-28HM2

AN-28SP2

DUNTKA352NJ01

MAIN UNIT (AVC)

(Continued)

R1818

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R1819

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R1820

VRS-CY1JF122J

J 1.2k 1/16W

Metal Oxide

R1827

VRS-CY1JF123J

J 12k 1/16W

Metal Oxide

R1828

VRS-CY1JF822J

J 8.2k 1/16W

Metal Oxide

R1832

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1834

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1835

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1836

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1837

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1838

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1840

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1842

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1843

VRS-CY1JF512J

J 5.1k 1/16W

Metal Oxide

R1844

VRS-CY1JF512J

J 5.1k 1/16W

Metal Oxide

R1845

VRS-CY1JF512J

J 5.1k 1/16W

Metal Oxide

R1846

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1847

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1848

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1849

VRS-CY1JF911J

J 910 1/16W

Metal Oxide

R1852

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R1869

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1873

VRS-CY1JF911J

J 910 1/16W

Metal Oxide

R1874

VRS-CY1JF911J

J 910 1/16W

Metal Oxide

R1875

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R1876

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R1883

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R1884

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R1885

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R1886

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1887

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1888

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1890

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1892

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1894

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1895

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R1896

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1897

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1901

VRS-CY1JF123J

J 12k 1/16W

Metal Oxide

R1902

VRS-TQ2BD000J

J 0

1/8W

Metal Oxide

R1903

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1904

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1910

VRS-CY1JF123J

J 12k 1/16W

Metal Oxide

R1911

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1912

VRS-CY1JF682J

J 6.8k 1/16W

Metal Oxide

R1914

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1915

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1922

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1923

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1931

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2801

VRS-CY1JF113J

J 11k 1/16W

Metal Oxide

R2802

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R2803

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R2804

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R2805

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R2808

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R2850

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R2851

VRS-CY1JF243J

J 24k 1/16W

Metal Oxide

R2852

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2853

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2854

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R2855

VRS-CY1JF511J

J 510 1/16W

Metal Oxide

R2856

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R2857

VRS-CY1JF565J

J 5.6M 1/16W

Metal Oxide

R2859

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R3908

VRS-CY1JF333J

J 33k 1/16W

Metal Oxide

R6039

VRS-CY1JF122J

J 1.2k 1/16W

Metal Oxide

R6040

VRS-CY1JF104J

J 100k 1/16W

Metal Oxide

R6048

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6068

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6069

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6070

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6071

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6072

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6073

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6077

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R6078

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6079

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6080

VRS-CY1JF681J

J 680 1/16W

Metal Oxide

R6081

VRS-CY1JF681J

J 680 1/16W

Metal Oxide

R6082

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R6083

VRS-CY1JF681J

J 680 1/16W

Metal Oxide

R6084

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R6087

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7000

VRS-CY1JF152J

J 1.5k 1/16W

Metal Oxide

R7003

VRS-CY1JF471J

J 470 1/16W

Metal Oxide

R7004

VRS-CY1JF471J

J 470 1/16W

Metal Oxide

R7007

VRS-TX2HF2R2J

J 2.2

1/2W

Metal Oxide

R7008

VRS-TX2HF2R2J

J 2.2

1/2W

Metal Oxide

R7011

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R7012

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7020

VRS-CY1JF472J

J 4.7k 1/16W

Metal Oxide

R7021

VRS-CY1JF471J

J 470 1/16W

Metal Oxide

R7022

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7023

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7024

VRS-CY1JF473J

J 47k 1/16W

Metal Oxide

R7025

VRS-CY1JF224J

J 220k 1/16W

Metal Oxide

R7026

VRS-CY1JF221J

J 220 1/16W

Metal Oxide

R7027

VRS-CY1JF561J

J 560 1/16W

Metal Oxide

R7028

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7029

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R7031

VRS-CY1JF182J

J 1.8k 1/16W

Metal Oxide

R7032

VRS-CY1JF751J

J 750 1/16W

Metal Oxide

R7033

VRS-CY1JF561J

J 560 1/16W

Metal Oxide

R7034

VRS-CY1JF152J

J 1.5k 1/16W

Metal Oxide

R7036

VRS-CY1JF392J

J 3.9k 1/16W

Metal Oxide

R7037

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7038

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R7039

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R7040

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R7041

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R7042

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R7043

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R7044

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R7045

VRS-CY1JF182J

J 1.8k 1/16W

Metal Oxide

R7046

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7047

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7048

VRS-CY1JF100J

J 10

1/16W

Metal Oxide

R7049

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7050

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R7051

VRS-CY1JF911J

J 910 1/16W

Metal Oxide

R7052

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7053

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R7054

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7055

VRS-CY1JF152J

J 1.5k 1/16W

Metal Oxide

R7056

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7058

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R7059

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7060

VRS-CY1JF911J

J 910 1/16W

Metal Oxide

R7062

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7066

VRS-CY1JF271J

J 270 1/16W

Metal Oxide

R7067

VRS-CY1JF271J

J 270 1/16W

Metal Oxide

R7071

VRS-CY1JF182J

J 1.8k 1/16W

Metal Oxide

R7072

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R7078

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7079

VRS-CY1JF333J

J 33k 1/16W

Metal Oxide

R7081

VRS-TQ2BD000J

J 0

1/8W

Metal Oxide

R7091

VRS-CY1JF221J

J 220 1/16W

Metal Oxide

R7201

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7202

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7203

VRS-CY1JF561J

J 560 1/16W

Metal Oxide

R7204

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7205

VRS-CY1JF181J

J 180 1/16W

Metal Oxide

R7207

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

R7208

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R7209

VRS-CY1JF102J

J 1.0k 1/16W

Metal Oxide

Summary of Contents for LC-28HM2

Page 1: ...WER SUPPLY START UP SEQUENCE 15 ADJUSTMENT PROCEDURES 16 LIST OF ADJUSTMENT ITEMS 18 OPERATIONS IN PROCESS ADJUSTMENT 25 ADJUSTING PROCEDURE 27 HOW TO ADJUST DISPLAY UNIT INDEPENDENTLY 37 TROUBLE SHOOTING TABLE 40 CHASSIS LAYOUT 49 DESCRIPTION OF MAJOR IC FUNCTIONS 51 Page BLOCK DIAGRAM 54 PRINTED WIRING BOARD BLOCK DIAGRAM 56 MULTI COLOR SYSTEM BLOCK DIAGRAM 58 OVERALL WIRING DIAGRAM 59 DESCRIPTI...

Page 2: ...fore servicing BEFORE RETURNING THE RECEIVER Fire Shock Hazard Before returning the receiver to the user perform the following safety checks 1 Inspect all lead dress to make certain that leads are not pinched and check that hardware is not lodged between the chassis and other metal parts in the receiver 2 Inspect all protective devices such as non metallic control knobs insulation materials cabine...

Page 3: ...ENT2 Audio R L Video Y PB CB PR CR PC RGB input Audio input RS 232C control Headphones jack 3 5mm diameter mini jack Power Inlet for AC power cord FUNCTIONS OSD Language English Reverse Invert Mirror image only Brightness Medium Bright Dark HD capability 1080i 720P for Component input PC capability VGA SVGA XGA WIDE view mode STRETCH FULL AUTO wide view NTSC picture only Automatically fully stretc...

Page 4: ... button MAIN POWER switch BRIGHTNESS button Remote sensor window Side speakers Option POWER Standby indicator Table stand Display input terminal Speaker cable connection terminals for the optional side speakers AC power input terminal Back cover System cable cover Top view Front view Rear view ...

Page 5: ... L VIDEO R AUDIO L AV INPUT 3 AV OUT 1 3 4 0 7 6 9 8 5 2 1 S VIDEO input terminal AV INPUT 2 2 VIDEO input terminal AV INPUT 2 3 4 AUDIO input terminal AV INPUT 2 HEAD PHONE jack 1 AC Power input terminal 2 RS 232C input terminal 3 PC RGB input terminal 4 PC AUDIO input terminal 5 DISPLAY output terminal 6 AUDIO VIDEO input terminal COMPONENT1 7 AUDIO VIDEO input terminal COMPONENT2 8 S VIDEO inpu...

Page 6: ...uttons to select an AV input terminal directly You can not select an input source to which external equipment is not connected 5 COMPONENT buttons Use these buttons to select a COMPONENT termi nal directly You can not select an input source to which external equipment is not connected 6 PC button Use this button to select the PC mode 7 MUTE button Use this button to temporarily turn off the sound ...

Page 7: ...7 LC 28HM2 AN 28SP2 Display Dimensions POWER 448 mm 690 8 mm 519 mm 485 mm 277 mm 59 7 mm 277 mm 22 2 mm 112 8 mm ...

Page 8: ...8 LC 28HM2 AN 28SP2 AVC System AVC SYSTEM POWER 360 mm 57 mm 65 mm S VIDEO VIDEO L AUDIO R HEAD PHONE AV INPUT 2 95 mm 270 mm 270 mm ...

Page 9: ... earth lead wire fixing screw 1 pc in the power supply socket Cabinet B Front frame ass y Table stand System cable cover 3 3 3 3 3 1 1 2 Terminal cover 3 3 3 5 4 4 4 4 4 4 4 5 5 5 5 5 5 5 6 7 5 5 5 Main power supply PWB 169 170 Main PWB Lamp PWB 2 Lamp PWB 1 Remote control receiver PWB Tape 4 4 Tape Core Cabinet B Operation PWB Wire holder 4 Clamp Clamp Clamp Clamp 4 Wire holder Wire holder Wire h...

Page 10: ...etach the reinforcement plate center 9 Remove the main PWB fixing screws 5 pcs 10 Remove the main power supply PWB fixing screws 4 pcs 11 Remove the amplifier PWB fixing screws 4 pcs 12 Remove the DC DC PWB fixing screws 4 pcs 13 Remove the lamp PWB 1 and lamp PWB 2 fixing screws 2 pcs each 14 Remove the lamp GND PWB fixing screws 2 pcs 15 Remove the remote control receiver PWB fixing screws 2 pcs...

Page 11: ... anti static armband 3 Perform the job on conductive mattress 4 Handle carefully not to drop or give impacts or vibrations 17 Remove the LCD unit front fixing screws 4 pcs and detach the LCD unit 18 Remove the fixing angle fitting screws 3 pcs at left and 2 pcs at right and the fixing angle L bottom fitting screws 4 pcs Remove the ITO earth top and detach from the lamp base each of the diffusion p...

Page 12: ...er fixing screws 4 pcs and detach the cover 5 Remove the shield plate fixing screws 5 pcs Among the five screws two are used also to fix the power supply PWB fixing angle 6 Remove the power supply PWB fixing screws 4 pcs detach the connectors from the power supply PWB and the main PWB and then remove the power supply PWB 7 Remove the rear terminal PWB fixing screws 7 1 Remove the fixing screws 2 p...

Page 13: ... 1 Selection of analog video input signal of 2 systems 2 Enlargement reduction including wide angle processing and complement of video signals 3 Production of signals required for the display in the steps to follow 4 Synthesis of OSD channel call menu etc 5 Encoding of the prepared video signal and timing signal for output 6 Control of external devices video adjustment video source selection power...

Page 14: ... process adjustment mode of the monitor unit independently and initialize the times of lamp failures recorded See the Service Manual To simply check the times of lamp failures refer to the process adjustment mode page 1 LAMP NG CHECK Video signal sync signal is not fed into the panel control G A Detected by sync signal Transmission failure between display and AVC system Fault in control line from ...

Page 15: ...y unit 2 Main power supply of the Display unit sends out 5V main power for microprocessor P2001_5 3 After resetting the display microprocessor 5V output is present at SMPOW J4001_22 At the same time the power is supplied to each line 4 Main power relay switch is turned on at the AVC system unit At the same time the power is supplied to each line 5 After the AVC system unit has been initialized the...

Page 16: ...rocedure 1 Using remote controller Connect the display and the AVC center using the system cable in the specified manner Switch on the power After start up press PROCESS ADJUSTMENT button of the remote controller 2 Using main unit key Connect the display and the AVC center using the system cable in the specified manner While pressing BRIGHTNESS and VOL buttons simultaneously switch on the power Co...

Page 17: ...m can be restarted in normal mode 2 Monitor G A test pattern reset Set 00 10 00 in the 3rd line and then set 1 in the 4th line Upon this setting the blue screen appears Thus the test pattern in the monitor process adjustment is reset After reset the fourth line will not become 0 automatically After reset switch off the power once and confirm that the system can be restarted in normal mode 3 How to...

Page 18: ...te NTSC 3 58 YNR level setting 14 CN358 CDE 3 Composite NTSC 3 58 CDE level setting 15 CN358 SHR TRACKING 2 Composite NTSC 3 58 sharpness correction setting 16 CN358 C TRAP 0 Composite NTSC 3 58 C trap setting 17 CN358 H POS 0 Composite NTSC 3 58 horizontal position setting 3 1 C PAL BRIGHT 133 Composite PAL black level setting 2 C PAL CONTRAST 71 Composite PAL contrast setting 3 C PAL R DRIVE 58 ...

Page 19: ...ATA COPY Data copy 6 1 MONITOR CORRECT ALL Monitor correction RGB 2 MONITOR CORRECT R Monitor correction R 3 MONITOR CORRECT G Monitor correction G 4 MONITOR CORRECT B Monitor correction B 5 CEENT EEP RST S C ONLY EEPROM reset in Sharp Corporation control area only 6 MONITOR EEP RST Monitor side EEPROM reset 7 UPDATE CENTER PROGRRAM Start updating the center side program 8 UPDATE MONITOR PROGRAM S...

Page 20: ...45k horizontal position setting 10 1 CN443 BRIGHT 133 Composite NTSC 4 43 black level setting 2 CN443 CONTRAST 71 Composite NTSC 4 43 contrast setting 3 CN443 R DRIVE 58 Composite NTSC 4 43 red gain setting 4 CN443 B DRIVE 70 Composite NTSC 4 43 blue gain setting 5 CN443 COLOR 85 Composite NTSC 4 43 color density setting 6 CN443 TINT 52 Composite NTSC 4 43 tint setting 7 CN443 SHARPNESS 64 Composi...

Page 21: ... correction setting 12 N358 C TRAP 0 S video NTSC 3 58 C trap setting 13 N358 H POS 0 S video NTSC 3 58 horizontal position setting 14 1 S PAL BRIGHT 133 S video PAL black level setting 2 S PAL CONTRAST 71 S video PAL contrast setting 3 S PAL R DRIVE 58 S video PAL red gain setting 4 S PAL B DRIVE 70 S video PAL blue gain setting 5 S PAL COLOR 85 S video PAL color density setting 6 S PAL TINT 64 S...

Page 22: ... 10 S PAL M CDE 3 S video PAL M CDE level setting 11 S PAL M SHR TRACKING 2 S video PAL M sharpness correction setting 12 S PAL M C TRAP 0 S video PAL M C trap setting 13 S PAL M H POS 0 S video PAL M horizontal position setting 18 1 S PAL 60 BRIGHT 133 S video PAL 60 black level setting 2 S PAL 60 CONTRAST 70 S video PAL 60 contrast setting 3 S PAL 60 R DRIVE 60 S video PAL 60 red gain setting 4 ...

Page 23: ...ng PC 5 BRIGHT PC DELTA Black level variation PC 6 CONTRAST PC DELTA Contrast variation PC 7 R DELTA Red gain variation PC 8 B DELTA Blue gain variation PC 9 BLACK STRETCH NORMAL Black stretch user initial setting NORMAL 10 BLACK STRETCH MOVIE Black stretch user initial setting MOVIE 11 BLACK STRETCH GAME Black stretch user initial setting GAME 12 VAPGAIN VAPGAIN 13 VAPINV VAPINV 14 V EDGE EMPHASI...

Page 24: ... PC B 7 PCB PC SUBBRI R PC I F ADC sub bright adjustment value PC R 8 PCB AV MAINCON PC I F ADC main contrast adjustment value AV 9 PCB AV SUBCON G PC I F ADC sub contrast adjustment value AV G 10 PCB AV SUBCON B PC I F ADC sub contrast adjustment value AV B 11 PCB AV SUBCON R PC I F ADC sub contrast adjustment value AV R 12 PCB AV SUBBRI G PC I F ADC sub bright adjustment value AV G 13 PCB AV SUB...

Page 25: ...deo1 Video2 Video3 Input switch Direct video composite 1 12 buttons Special functions are allocated in the process adjustment TV direct channel button 1 Color system selection 2 To change the vertical frequency setting for component 15kHz 50Hz 60Hz 3 Unused 4 To switch the color system to N358 5 To switch the color system to PAL 6 To switch the color system to SECAM 7 To switch to component 15kHz ...

Page 26: ... For test P7L11 NOISE LEVEL Measuring the noise level of N358 video signal For test The following items are put into execution by positioning the cursor on the relevant line and then pressing the ENTER button P5L13 DATA COPY Copying the adjusted data into relevant part in other color system Items executed by adjustment button operation such as VOL button The following items are executed immediatel...

Page 27: ...press 4 button of the remote controller to switch to N358 2 NTSC BRIGHT adjustment 1 Feed the color bar signal carrying NTSC composite 100 white and 0 white pedestal black Example 1 Adjust P2L4 C N358 BRIGHT so that the pedestal black portion has the largest green area If there is no change against lowering the value it is likely that the adjustment point a in the figure below is deviated from the...

Page 28: ...k 1 Adjust P2L7 C N358 R DRIVE so that the 100 white portion has the largest red area The portion referred to here The portion referred to here 6 NTSC B DRIVE adjustment 1 Feed the color bar signal carrying NTSC composite 100 white and 0 white pedestal black 1 Adjust P2L8 C N358 B DRIVE so that the 100 white portion has the largest blue area 7 NTSC COLOR adjustment 1 Feed the color bar signal carr...

Page 29: ...y that the adjustment point a in the figure below is deviated from the correct point In this case once try to increase the adjustment value The portion referred to here Outside of the right frame Green level Adjustment value Adjust to this point a 3 PAL CONTRAST adjustment 1 Feed the color bar signal carrying PAL composite 100 white and 0 white pedestal black 1 Adjust P3L2 C PAL CONTRAST so that t...

Page 30: ...n referred to here 4 SECAM signal adjustment Adjustment item appearing on the 1st line of page 1 is described as P1L1 Adjusting point Adjusting conditions Adjusting procedure 1 Color system setting 1 Feed the SECAM video signal 1 If SECAM is not found in the last part of the 1st line press 6 button of the remote controller to switch to SECAM 2 BELL F0 adjustment 1 Hook up the oscilloscope at TP285...

Page 31: ...ustment value 4 SECAM CONTRAST adjustment 1 Feed the color bar signal carrying SECAM composite 100 white and 0 white pedestal black 1 Adjust P4L3 C SECAM CONTRAST so that the 100 white portion has the largest green area 5 SECAM R DRIVE adjustment C SECAM R DRIVE 1 Feed the color bar signal carrying SECAM composite 100 white and 0 white pedestal black 1 Adjust P4L4 C SECAM R DRIVE so that the 100 w...

Page 32: ...rred to here The portion referred to here 1 Input signal setting 1 Set the input switch to COMP15 60 and feed the video signal 1 If COMPONENT1 15k 60Hz is not found in the last part of the 1st line press 7 button of the remote controller to switch to COMPONENT1 15k 60Hz 2 COMPONENT BRIGHT adjustment 1 Feed the color bar signal carrying COMPONENT 100 white and 0 white pedestal black Example 1 Adjus...

Page 33: ...NT R DRIVE adjustment 1 Feed the color bar signal carrying COMPONENT 15kHz 60Hz 100 white and 0 white pedestal black 1 Adjust P5L3 COMP 15 60 R DRIVE so that the 100 white portion has the largest red area 5 COMPONENT B DRIVE adjustment 1 Feed the color bar signal carrying COMPONENT 15kHz 60Hz 100 white and 0 white pedestal black 1 Adjust P5L4 COMP 15 60 B DRIVE so that the 100 white portion has th...

Page 34: ...that DC DC 5V line output voltage becomes 5 2 0 05V 2 Opposed bias adjustment 1 Enter the video 1 mode with no signal input 2 Apply the specified jig to the screen center 3 Observe the output from the jig with oscilloscope 1 Adjust COMMON BIAS center side process adjustment menu P2L3 so that the waveform peak to peak is minimized 8 Final adjustment Adjusting point Adjusting conditions Adjusting pr...

Page 35: ...RE MOVIE COLOUR 0 Other than PC mode PICTURE GAME COLOUR 0 Other than PC mode PICTURE NORMAL BRIGHT 0 Other than PC mode PICTURE MOVIE BRIGHT 5 Other than PC mode PICTURE GAME BRIGHT 0 Other than PC mode PICTURE NORMAL SHARP 0 Other than PC mode PICTURE MOVIE SHARP 0 Other than PC mode PICTURE GAME SHARP 20 Other than PC mode SOUND NORMAL TREBLE 0 Other than PC mode SOUND MOVIE TREBLE 0 Other than...

Page 36: ...Y DOT CLOCK 0 In PC mode VIEW SIDEBAR PHASE 0 In PC mode VIEW CINEMA PHASE 0 In PC mode VIEW FULL PHASE 0 In PC mode VIEW DOT BY DOT PHASE 0 In PC mode PICTURE NORMAL PRO BLACK OFF Other than PC mode PICTURE MOVIE PRO BLACK OFF Other than PC mode PICTURE GAME PRO BLACK OFF Other than PC mode PICTURE NORMAL PRO VDE OFF Other than PC mode PICTURE MOVIE PRO VDE OFF Other than PC mode PICTURE GAME PRO...

Page 37: ...OL UP Move the cell rightward For 1st and 3rd lines only Space is skipped Toggle switch VOL DOWN Move the cell leftward For 1st and 3rd lines only Space is skipped Toggle switch INPUT Decrease adjustment value 0 becomes F 1st and 3rd lines 1 becomes 0 2nd and 4th lines INPUT Increase adjustment value F becomes 0 1st and 3rd lines 0 becomes 1 2nd and 4th lines BRIGHT Move the lines Toggle switch 1s...

Page 38: ...al adjustment 1 D A converter Address Item MIN MAX Initial setting Remarks 10 BAL 00 FF 7F Balance 11 VOL 00 FF 00 Volume 12 BASS 00 FF 7F Bass 13 TREB 00 FF 7F Treble 14 LOUD 00 FF FF Loudness 15 100HZ 00 FF 00 16 400HZ 00 FF 00 17 1KHZ 00 FF 00 18 4KHZ 00 FF 00 19 10KHZ 00 FF 00 1A SVOL 00 FF 00 Sub volume Sound Address Item MIN MAX Initial setting Remarks 1C V1H 00 FF 00 1D V1L 00 FF EA 1E V34H...

Page 39: ... E8 Lower 00 F6 PWM duty 00 0F 00 Upper 2 Controller 6 Adjusting method Adjusting conditions Adjusting method B adjustment M 5VADJ item 1 Hook up DC voltmeter at connector side of FB2005 Opposed bias adjustment COM item 1 Write 00 10 03 in the controller setting of the OSD to produce solid black screen 1 2 Apply the specified jig to the screen center 3 Observe the output from the jig with oscillos...

Page 40: ...eral circuits Yes Fluorescent lamp is not ON No Is there normal output at pin 113 of IC4302 Check IC4303 and its peripheral circuits Yes No Is there normal output at pin 15 of P2001 Check Q2014 and its peripheral circuits Check AC DC power units No sound No Yes No Yes No No Yes Yes Is there normal output at R39 of AMP power unit Is there normal audio output at pins 1 and 3 of P1302 Check AMP and p...

Page 41: ... No Check display side power unit Check pins 3 and 17 of P2001 and its peripheral circuits Is the voltage at pin 11 of P2001 measured at 4 2V or higher when blue LED is ON Red LED lights up from the beginning Blue LED lights up first but soon red LED lights up Yes Is the voltage 0V at pin 27 of IC2004 3 75 5 V 2 3 75 V 1 2 V 0 1 V Check system cable Normal operation Check output at pin 21 of P701 ...

Page 42: ...2 of P3601 on RC unit Check LED and peripherals on RC unit Check RC PWB furnace or 5V power line AVC system LED is OFF Is there LED VCC output from monitor Check LED peripherals on front terminal unit Is 5V available at pin 37 of SC404 and pin 13 of both D501 and SC401 No No Is specified voltage output available from display power unit Yes Is pin 19 MPOW of IC2004 at high level Yes Is specified vo...

Page 43: ...AVC system side switching regulator making normal outputs of PC3 3V PC2 5V PC5V 12V 16V and 5V Yes Is there normal 9V output at E of Q715 Are the outputs of PC3 3V PC2 5V and PC5V out of spec Yes It is possible that PC I F unit CPCi 0040CE11 has internal problem Yes No Check IC705 Q715 L701 and their peripherals Check IC703 output 3 3V and its peripherals IC701 output 5V and its peripherals and IC...

Page 44: ...pherals Check rear terminal unit It is also possible that display has problem No sound from headphone No Yes Does output icon show headphone when volume key is operated Check headphone plug peripherals on front terminal unit Yes Yes Is pin 14 of IC505 at high level Headphone is muted Check the peripherals of IC505 and D306 No Yes No Are there normal audio outputs from pins 7 and 18 of IC301 Is pin...

Page 45: ...No color production only with PAL No color production only with SECAM Check the peripheral circuits of IC801 iX3323CE Check the peripheral circuits of IC2802 TA1229N Yes No Are there normal audio outputs from pins 10 and 16 of IC302 Are pins 5 and 7 of IC302 at low level Yes No Are there normal audio outputs from pins 1 and 7 of IC304 Check the peripherals of IC304 Yes No Is pin 5 of IC505 at low ...

Page 46: ...d IC801 Is there normal output at pin 83 of IC7001 Yes Yes Yes Is there normal output at pin 53 of IC401 Check IC401 and the peripherals of IC802 Check the line from rear terminal unit in the case of V1 S and the line from front terminal board in the case of V2 S No color production only with video S signals Is there normal output at pin 58 of IC401 Is there normal input at pin 5 or 12 of IC401 Ye...

Page 47: ...11 12 15 16 25 and 26 of SC1408 Yes It is possible that display is in trouble It is possible that PC I F unit CPCi 0040CE is in trouble Yes No No picture of video line signals Are there normal input output on IC401 Check IC401 and its peripherals Yes No Are there normal outputs at pins 83 and 84 of IC7001 Check IC7001 IC7002 and their peripherals Yes No Is there normal input at pin 1 of IC407 Chec...

Page 48: ...s No monitor output No No Is there normal video output at pin 41 of IC401 Check the peripherals of IC401 No Is pin 5 of IC505 at low level Check IC505 No Check the peripherals of IC505 as well as those of IC303 Q306 Q401 Q402 Q403 Q404 and Q405 Are there H V sync signals outputs at pins 15 and 22 of IC1901 No Check the peripherals of IC1901 pin 18 of IC801 and the peripherals of IC406 Yes Is there...

Page 49: ...49 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT DISPLAY ...

Page 50: ...50 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT AVC SYSTEM ...

Page 51: ...nside of the set while output 3 is used for monitor output When S video data is outputted to monitor Y and C signals are combined in this IC The video signals received in this IC next go to IC7001 3 D Y C separator IC Regarding audio signals headphone output signal goes to IC301 audio control IC and speaker output signal goes to the monitor via the buffer IC308 IC7001 PD64082 3 D Y C separator IC ...

Page 52: ...ound IC The audio signal from the ground wave tuner TU3201 is selected for output in accordance with user setting suited for the audio mode Example Main output in multiple sound mode etc IC301 TA8184F Sound control IC Based on the DAC output voltage of user setting it controls the headphone output volume treble bass balance and loudness IC415 IC416 IC417 IC403 IC404 IC405 ADG704 Wide bank 4 1 inpu...

Page 53: ...erence clock 40MHz 105 RST I Reset Active Hi 116 DATA_W I Microprocessor transmission terminal Data 117 MCLK I Microprocessor transmission terminal Clock 118 PCS I Microprocessor transmission terminal Select 113 OFL1 O Lamp brightness control signal 119 REV O Common drive signal 120 REVV0 O Gradation control power drive signal 134 GLBR O Vertical scan switch signal Normal Hi 136 GSP2 O Gate drive ...

Page 54: ...PROM IC2005 Reset IC2004 Microprocessor IC1120 IC1121 D A converter IC2013 D A converter IC1304 Sound processor 100V 100V 100V Main switch AC DC inverter Backlight Q2 switch 13V DC DC IN OUT LCD panel BOSE speaker with built in AMP Lch BOSE speaker Rch 13V Power supply for speaker AMP 5V Main power supply for microprocessor Control Control Control Gradation control power for LCD IC1101 IC1124 ...

Page 55: ... 1 input D terminal 2 input UV RF input BS RF input Detection AFC input Bit stream TU3201 UV tuner TU9001 BS tuner IC410 audio switch IC3901 multiple sound IC7201 Auto wide IC401 input switch IC1901 Sync separation IC7001 3D Y C IC801 Video encoder IC415 417 Video switch IC403 405 Video switch IC1 Main microcomputer IC35 RAM IC38 RAM IC39 RAM IC25 I P conversion Frame conversion IC20 gmZ3 IC4 AD c...

Page 56: ...NVERTER GND UNIT SYSTEM SPEAKER INVERTER GND UNIT SYSTEM CONNECTOR DC DC power output SOUND BLOCK LAMP ERROR DETECT BLOCK REFERENCE VOLA TGE BLOCK FPGA ROM LCD panel control G A G A Crystal MPU OSC Picture decorder P2001 Remote control DC Voltage Picture digital Audio analog SIGNAL AMP PWB Control key INPUT Gate Connector Buffer f or source Buffer f or source Buffer f or source Buffer f or source ...

Page 57: ...ELECTOR IC ANALOG DIGITAL PC SYNC BUFFER RS232C DRIVER PC BOARD POWER SUPPLY PC COMPONENT SOUND VIDEO S SIGNAL ANALOG SIGNAL SELECTOR 3D Y C SEP IC BLOCK CRYSTAL FOR 3D Y C AV INPUT 2 VIDEO SYNC SEPARATOR IC AUTO WIDE IC PC SIGNAL PICTURE FOR AV SYNC FOR AV PC SYNC AV INPUT OUTPUT CRYSTAL FOR VIDEO DECODER Y C SEPARATE IC MEMORY FOR Y C SEP IC FIELD MEMORY FOR 3D Y C SEP IC DECODER SOUND CONTROL F...

Page 58: ...4 5 6 17 51 52 53 31 IC2802 Color TV SECAM 24 10 11 14 V_VSync 15 V_HSync SC503 INPUT SIGNAL TO PC BOARD 3 PCR 1 PCB 2 PCG CLAMP AMP IC7201 37 AUTOWIDE IC1901 3 SYNC SEP 4 21 23 15 IC2801 1Hdelay 29 B Y 26 30 R Y 27 C1 Y C1 PB C1 PR C2 Y C2 PR C2 PB R B G IC402 IN SELECT 9 H 6 8 L IC406 P SELECT 1 14 9 H 3 5 6 16 11 8 L IC415 417 P SELECT 9 4 8 2 Y Y B Y R Y PCG PCR PCB Y_SEL PB_SEL PR_SEL R Y B L...

Page 59: ... 5V GND 7 5V GND 14V GND D MPOW 30V D POW SOUND_M D INV ON V_REFADJ 13V 9V 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SYSTEM CN 1 N 2 L CN3 PS_ON 5V GND 13V 13V GND GND INV_ON 1 2 3 4 5 6 7 8 CN9 5 PL1 CN2 4 PR1 3 SL1 2 SR1 1 FG 1 VH 2 1 VH 2 VL 1 2 CN8 AC IN 2 PL1 1 SL1 CN1 CN2 4 V_COM 3 SOUND_R 2 GND S 1 SOUND_L BOSE LAMP 1 UNIT CONTROL UNIT MAIN UNIT LAMP GND UNIT LAMP 2 UNIT SC4304 SC4305 SC43...

Page 60: ...SD_4 SD_5 SD_6 LAMP1 AC POW AMP DDIN DDIN DCDC LINK LINK BOSE BOSE LR REM LR LG AC HV_1 HV_2 HV_3 HV_4 HV_5 HV_6 HV_7 HV_8 HV_9 HV_10 HV_11 HV_12 LAMP2 GD LG LAMPG FFC_1 FFC_1 FFC_1 FFC_1 FFC_1 FFC_1 FFC_2 BOSE speaker AMP side REM AMP Lamp PWB 1 LG_1 LG_2 LG_3 LG_4 LG_5 LG_6 LG_7 LG_8 LG_9 LG_11 LG_12 LG_10 KEY Control PWB For VESA spec mount 2P connector Connect inside of door 47 480 220 157 20 ...

Page 61: ...633CEZZ FFC FFC FFC 1 2 3 48 49 50 30 29 28 3 2 1 1 2 3 28 29 30 DUNTKA353NJ01 QSOCN0487FJZZ QSOCN0199FJZZ SC2402 SC1403 SC401 QSOCN0464FJZZ QSOCN0490FJZZ QSOCN0464FJZZ QSOCN0464FJZZ QPLGN0324FJZZ SC1402 SC403 SC402 RXD_M D_GND TXD_M GND C_CB C_CR GND HP_L 5V A HP_L 5V A GND V2_PLUG V2_Y GND V2_PLUG V2_Y GND C_CB C_CR V3_L P701 PC_AGND PC_AGND PC_AGND D GND 5V D SMPOW GND SRST FLASH_W FLASH_W GND ...

Page 62: ...re measured from point indicated to chassis ground INDICATION OF RESISTOR CAPACITOR RESISTOR 1 The unit of resistance Ω is omitted K kΩ 1000 Ω M MΩ 2 All resistors are 5 unless otherwise noted J 5 F 1 D 0 5 3 All resistors are Carbon type unless otherwise noted C Solid W Cement S Oxide Film T Special N Metal Coating CAPACITOR 1 All capacitors are mF unless otherwise noted P pF mmF 2 All capacitors...

Page 63: ... 3 TP7004 V 500mV div H 20µsec div 4 TP7005 V 500mV div H 20µsec div 5 TP801 V 500mV div H 20µsec div 6 TP802 V 500mV div H 20µsec div 7 TP806 V 500mV div H 20µsec div 8 TP807 V 500mV div H 20µsec div 9 TP819 V 500mV div H 20µsec div 0 TP820 V 500mV div H 20µsec div q TP821 V 500mV div H 20µsec div ...

Page 64: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 65 64 Ë MAIN UNIT 1 6 DISPLAY ...

Page 65: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 Ë MAIN UNIT 2 6 DISPLAY 67 66 ...

Page 66: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 69 68 Ë MAIN UNIT 3 6 DISPLAY ...

Page 67: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 71 70 Ë MAIN UNIT 4 6 DISPLAY ...

Page 68: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 73 72 Ë MAIN UNIT 5 6 DISPLAY ...

Page 69: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 75 74 Ë MAIN UNIT 6 6 DISPLAY ...

Page 70: ...76 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë CONTROL UNIT DISPLAY ...

Page 71: ...77 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë R C RECEIVER UNIT DISPLAY ...

Page 72: ...6 RPE R87 1k FPD 50V 50V 50V AN8032 C1225 R62T4 HRNM R82 7 5k 117 C 2W CN8 QCNCM1703SNEZ 2 1 2 1 D14 1SS270A R41 1 5K D13 AG01 D1NL40 1GU42 C67 220p 50V RPE DD104 R65 430k R66 430k R67 30k FIN C47 1000pF KH 250V RS C4 C5 CN3 QCNCM1531SNEZ A B 1 N 2 L QCNCM1706SNEZ CN2 1 4 6 8 10 F3 TR 5 250V 2A F2 TR 5 250 3 15V F4 TR 5 250V 2A F G C38 100pF 2kV HR C52 0 01uF 50V RPE R49 30k R89 3k R90 0 R68 22k 5...

Page 73: ... 1K R38 1KF R36 4 7KF DCGND DC13 V R37 118F 1 4 5 4 3 4 3 1 2 1 2 6 1 2 3 10 1 1 8 9 L4 RC ILC1196SNEZ R35 10K C32 2200pF 5 0V DD106 RPE C26 C1 0 22uF 2 75V RE L E T C2 0 22uF 2 75V RE L E T D5 1SS270A R26 1K D6 1S S2 70 A T1 P1205 CN3 R1 390K 1 2 W C25 2 9 11 10 8 13 7 12 3 3 1 C31 NU 1 2 3 4 2 6 CN4 CN2 QCNCM151 4S NEZ DC13 V V COM LI N GND R DCGND RI N R R R NC R R R R L GND R R39 1 2K 1 2 W TH...

Page 74: ...82 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë LAMP 1 UNIT DISPLAY ...

Page 75: ...83 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë LAMP 2 UNIT DISPLAY ...

Page 76: ...84 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë LAMP GND UNIT DISPLAY ...

Page 77: ...85 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë FRONT TERMINAL UNIT AVC SYSTEM DUNTKA354NJ01 ...

Page 78: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 87 86 Ë MAIN UNIT 1 6 AVC SYSTEM ...

Page 79: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 89 88 Ë MAIN UNIT 2 6 AVC SYSTEM ...

Page 80: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 91 90 Ë MAIN UNIT 3 6 AVC SYSTEM ...

Page 81: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 93 92 Ë MAIN UNIT 4 6 AVC SYSTEM ...

Page 82: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 95 94 Ë MAIN UNIT 5 6 AVC SYSTEM ...

Page 83: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 97 96 Ë MAIN UNIT 6 6 AVC SYSTEM ...

Page 84: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 99 98 Ë REAR TERMINAL UNIT AVC SYSTEM DUNTKA353NJ01 ...

Page 85: ...D18 HZS4C2 4 L7 RCIL C1227SNEZ D17 FM B 24M C34 220uF 25V PW D13 1SS270A D19 1SS270A D26 1SS270A D22 1SS270A D20 1SS270A R45 2 2k R33 1k F 3 7 C36 0 1u DD 40 7 C35 0 1u 16 V DD40 7 R42 5 6k 9 7 QCNW 1710SNEZ 11 8 5 2 R49 33k R50 0 D27 1SS270A 17 18 15 1 6 13 1 4 8 9 6 7 10 1 1 4 5 1 2 3 22 1 9 20 2 1 1 2 10 1 1 1 2 1 2 1709SNEZ C24 150uF 35V PW P1208 D28 1SS270A QCNCM1700SNEZ CNW4 L6 0 C42 0 047u ...

Page 86: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 PRINTED WIRING BOARD ASSEMBLIES Main Unit Display A Side 103 102 ...

Page 87: ...LC 28HM2 AN 28SP2 LC 28HM2 AN 28SP2 1 2 4 3 5 6 7 9 10 8 J A B C D E F G H I 11 13 12 14 15 16 18 19 17 Main Unit Display B Side 105 104 ...

Page 88: ...106 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Lamp 1 Unit Display A Side Lamp 2 Unit Display A Side Lamp GND Unit Display A Side ...

Page 89: ...107 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Lamp 1 Unit Display B Side Lamp 2 Unit Display B Side Lamp GND Unit Display B Side ...

Page 90: ...108 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Power Unit Display Component Side ...

Page 91: ...109 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Amp Unit Display Component Side Front Terminal Unit AVC System A Side Front Terminal Unit AVC System B Side ...

Page 92: ...110 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Main Unit AVC System A Side ...

Page 93: ...111 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Main Unit AVC System B Side ...

Page 94: ...112 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Rear Terminal Unit AVC System A Side Rear Terminal Unit AVC System B Side ...

Page 95: ...113 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Power Unit AVC System Componen Side Power Unit AVC System Componen Side ...

Page 96: ...114 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Control Unit Display A Side R C Receiver Unit Display A Side Control Unit Display B Side R C Receiver Unit Display B Side ...

Page 97: ...MAIN UNIT DISPLAY DUNTKA168DE03 Main Unit Display DUNTKA169DE03 Lamp 1 Unit Display DUNTKA170DE03 Lamp 2 Unit Display DUNTKA171DE03 Lamp GND Unit Display DUNTKA172DE03 Control Unit Display DUNTKA173DE03 R C Receiver Unit Display DUNTKA352NJ01 Main Unit AVC DUNTKA353NJ01 Rear Terminal Unit AVC DUNTKA354NJ01 Front Terminal Unit AVC RDENC0321CEZZ Power Unit Display RDENC0322CEZZ Power Unit AVC RDENC0...

Page 98: ...C L1302 VP 1M101J7R7N J Peaking 100µH AC L1303 VP 1M101J7R7N J Peaking 100µH AC CAPACITORS C601 VCKYTV1AB105K J 1 0 10V Ceramic AD C602 VCKYTV1AB105K J 1 0 10V Ceramic AD C603 VCKYTV1AB105K J 1 0 10V Ceramic AD C604 VCKYTV1AB105K J 1 0 10V Ceramic AD C605 VCKYTV1AB105K J 1 0 10V Ceramic AD C606 VCKYTV1AB105K J 1 0 10V Ceramic AD C607 VCKYTV1AB105K J 1 0 10V Ceramic AD C608 VCKYTV1AB105K J 1 0 10V ...

Page 99: ... AA C2007 VCKYCY1AF105Z J 1 0 10V Ceramic AC C2008 VCKYCY1HF103Z J 0 01 50V Ceramic AA C2009 VCCCCY1HH220J J 22p 50V Ceramic AA C2010 VCCCCY1HH220J J 22p 50V Ceramic AA C2011 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2012 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2014 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2016 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2017 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2018 VCKYCY1EF104Z J 0 1 ...

Page 100: ... VRS CY1JF000J J 0 1 16W Metal Oxide AA R1108 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1109 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1110 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1111 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1112 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1113 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1114 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1115 VRS CY1JF000J J 0 1 16W Metal Oxide AA ...

Page 101: ...JF223J J 22k 1 16W Metal Oxide AA R2023 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R2024 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R2025 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R2026 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R2027 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R2028 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R2029 VRS CY1JF000J J 0 1 16W Metal Oxide AA R2031 VRS CY1JF102J J 1 0k 1 16W M...

Page 102: ...1JF330J J 33 1 16W Metal Oxide AC R4427 VRS CB1JF330J J 33 1 16W Metal Oxide AC R4428 VRS CB1JF330J J 33 1 16W Metal Oxide AC R4429 VRS CB1JF330J J 33 1 16W Metal Oxide AC R4430 VRS CB1JF330J J 33 1 16W Metal Oxide AC R4431 VRS CB1JF330J J 33 1 16W Metal Oxide AC R4432 VRS CB1JF330J J 33 1 16W Metal Oxide AC R4433 VRS CB1JF330J J 33 1 16W Metal Oxide AC R4434 VRS CB1JF330J J 33 1 16W Metal Oxide A...

Page 103: ...F P6206 QPLGN0490FJZZ J Plug 2 pin HV 11 AF P6207 QPLGN0490FJZZ J Plug 2 pin HV 12 AF DUNTKA173DE03 R C RECEIVER UNIT DISPLAY TRANSISTORS Q3601 VSDTC144EE 1 J DTC144EE AA Q3602 VS2SC2712Y 1 J 2SC2712Y AB Q3603 VS2SC2712Y 1 J 2SC2712Y AB Q3604 VSUPA606T 1 J UPA606T AD DIODES D3601 RH EX0879CEZZ J Zener Diode AD D3602 RH PX0421CEZZ J Photodiode AD D3603 RH PX0421CEZZ J Photodiode AD D3604 RH EX0879C...

Page 104: ...SC3928AR AB Q405 VSDTC144EE 1 J DTC144EE AA Q406 VS2SC3928AR 1 J 2SC3928AR AB Q407 VSUMG4 1 J UMG4 AC Q408 VSUMG4 1 J UMG4 AC Q508 VS2SC3928AR 1 J 2SC3928AR AB Q509 VS2SC3928AR 1 J 2SC3928AR AB Q513 VSUMG4 1 J UMG4 AC Q514 VSUMG4 1 J UMG4 AC Q515 VSDTC144EE 1 J DTC144EE AA Q516 VSUMG4 1 J UMG4 AC Q701 VSFMMT619 1 J FMMT619 AE Q702 VSFS5ASJ06 1 J FS5ASJ06 AF Q703 VS2SC3928AR 1 J 2SC3928AR AB Q704 V...

Page 105: ...EC1CM334J J 0 33 16V Film AE C356 VCEAPF1CN106M J 10 16V Electrolytic AD C357 VCKYCY1EF104Z J 0 1 25V Ceramic AA C358 VCEAPF1CN476M J 47 16V Electrolytic AD C359 VCEAPF1CN476M J 47 16V Electrolytic AD C360 VCFRED1HM822J J 8200p 50V Film AD C361 VCFYEC1CM334J J 0 33 16V Film AE C362 VCEAPF1CN106M J 10 16V Electrolytic AD C363 VCKYTV1CF105Z J 1 0 16V Ceramic AB C364 VCKYTV1CF105Z J 1 0 16V Ceramic A...

Page 106: ...7CEZZ J 150 6 3V Electrolytic AH C786 VCKYCY1HB562K J 5600p 50V Ceramic AA C788 RC EZ0649CEZZ J 47 16V Electrolytic AL C790 VCKYCY1EF104Z J 0 1 25V Ceramic AA C793 RC KZ1025CEZZ J 1 0 10V Ceramic AB C795 RC EZ0417CEZZ J 150 16V Electrolytic AD C797 VCEAPW0JN227M J 220 6 3V Electrolytic AE C802 VCKYCY1HB222K J 2200p 50V Ceramic AA C803 VCCCCY1HH120J J 12p 50V Ceramic AA C804 VCE9PF1HW224M J 0 22 50...

Page 107: ...J 68p 50V Ceramic AA C6093 VCCCCY1HH330J J 33p 50V Ceramic AA C6094 VCE9PF1CW226M J 22 16V Elect N P AD C6095 VCE9PF1CW226M J 22 16V Elect N P AD C6096 VCKYCY1CF104Z J 0 1 16V Ceramic AA C6097 VCKYCY1CF104Z J 0 1 16V Ceramic AA C6098 VCKYCY1CF104Z J 0 1 16V Ceramic AA C6099 VCKYCY1CF104Z J 0 1 16V Ceramic AA C7001 VCCCCY1HH220J J 22p 50V Ceramic AA C7002 VCCCCY1HH220J J 22p 50V Ceramic AA C7003 VC...

Page 108: ...l Oxide AA R395 VRS CY1JF000J J 0 1 16W Metal Oxide AA R396 VRS CY1JF000J J 0 1 16W Metal Oxide AA R398 VRS CY1JF104J J 100k 1 16W Metal Oxide AA R399 VRS CY1JF104J J 100k 1 16W Metal Oxide AA R401 VRS CY1JF101J J 100 1 16W Metal Oxide AA R402 VRS CY1JF101J J 100 1 16W Metal Oxide AA R403 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R404 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R405 VRS CY1JF223J J 22...

Page 109: ...3J J 10k 1 16W Metal Oxide AA R722 VRS CY1JF105J J 1 0M 1 16W Metal Oxide AA R723 VRS CY1JF682J J 6 8k 1 16W Metal Oxide AA R724 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R725 VRS CR3AD2R7J J 2 7 1W Metal Oxide AC R726 VRS CR3AD2R7J J 2 7 1W Metal Oxide AC R727 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R728 VRS CY1JF221J J 220 1 16W Metal Oxide AA R733 VRS CY1JF152F J 1 5k 1 16W Metal Oxide AA R734...

Page 110: ...Metal Oxide AA R6069 VRS CY1JF101J J 100 1 16W Metal Oxide AA R6070 VRS CY1JF101J J 100 1 16W Metal Oxide AA R6071 VRS CY1JF101J J 100 1 16W Metal Oxide AA R6072 VRS CY1JF101J J 100 1 16W Metal Oxide AA R6073 VRS CY1JF101J J 100 1 16W Metal Oxide AA R6077 VRS CY1JF000J J 0 1 16W Metal Oxide AA R6078 VRS CY1JF101J J 100 1 16W Metal Oxide AA R6079 VRS CY1JF101J J 100 1 16W Metal Oxide AA R6080 VRS C...

Page 111: ...203 RBLN 0061TAZZ J Ferrite Bead AD J401 QJAKG0077CEZZ J Jack AV In Out put AG P701 QPLGN0324FJZZ J Plug 22 pin AD SC401 QSOCN0199FJZZ J Socket 20 pin AE SC402 QSOCN0464FJZZ J Socket 50 pin AH SC403 QSOCN0490FJZZ J Socket 30 pin AF SC404 QSOCN0464FJZZ J Socket 50 pin AH SC501 QCNCM6013CEZZ J Connector 60 pin AP SC502 QCNCM6013CEZZ J Connector 60 pin AP SC503 QCNCM6013CEZZ J Connector 60 pin AP DUN...

Page 112: ...tal Oxide AA R1480 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1481 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1482 VRS TQ2BD750J J 75 1 8W Metal Oxide AA R1483 VRS CY1JF330J J 33 1 16W Metal Oxide AA R1484 VRS TQ2BD750J J 75 1 8W Metal Oxide AA R1485 VRS CY1JF750J J 75 1 16W Metal Oxide AA R1486 VRS CY1JF101J J 100 1 16W Metal Oxide AA R1487 VRS CY1JF101J J 100 1 16W Metal Oxide AA R1488 VRS CY1JF101J J...

Page 113: ...A C2415 VCKYCY1HB103K J 0 01 50V Ceramic AA C2416 VCCCCY1HH101J J 100p 50V Ceramic AA C2417 VCCCCY1HH101J J 100p 50V Ceramic AA RESISTORS R2401 VRS CY1JF101J J 100 1 16W Metal Oxide AA R2402 VRS CY1JF392J J 3 9k 1 16W Metal Oxide AA R2403 VRS CY1JF392J J 3 9k 1 16W Metal Oxide AA R2404 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R2405 VRS TQ2BD750J J 75 1 8W Metal Oxide AA R2406 VRS CY1JF103J J 10k 1...

Page 114: ...EZ J Filter AL L4 RCORF1011SNEZ J Ferrite Bead BL02RN2 R62T4 AC å L6 RCiLC1225SNEZ J Coil AV L7 RCiLC1196SNEZ J Coil AE L8 RCORF1011SNEZ J Ferrite Bead BL02RN2 R62T4 AC å L9 RCiLC1224SNEZ J Coil AT TRANSFORMERS å T1 RTRNP1206SNEZ J Transformer AX å T2 RTRNP1205SNEZ J Transformer AZ å T3 RTRNP1207SNEZ J Transformer AS å T4 RTRNZ1211SNEZ J Transformer BH å T5 RTRNZ1211SNEZ J Transformer BH CAPACITOR...

Page 115: ...J 22 2W Metal Oxide AC R56 VRD HT2EY123J J 12k 1 4W Carbon AA R57 VRS HT3DA221J J 220 1W Metal Oxide AC R58 VRD HT2EY122J J 1 2k 1 4W Carbon AA R59 VRD HT2EY102J J 1k 1 4W Carbon AA R60 VRD HT2EY223J J 22k 1 4W Carbon AA R61 VRD HT2EY242J J 2 4k 1 4W Carbon AA R62 VRD HT2EY562J J 5 6k 1 4W Carbon AA R63 VRD HT2EY104J J 100k 1 4W Carbon AA R64 VRD HT2EY112J J 1 1k 1 4W Carbon AA R65 VRD HT2EY434J J...

Page 116: ...0p 50V Ceramic AB C11 RCDD104 B471K J 470p 50V Ceramic AB C12 RCDD104 B561K J 560p 50V Ceramic AB C13 RCDD407SR473K J 0 047 25V Ceramic AB C14 RCDE0707R221S J 220p 2kV Ceramic AD C15 RCDE0707R221S J 220p 2kV Ceramic AD å C16 RC M2E103RESC J 0 01 275V Film AE C17 RC RPER1H473K J 0 047 50V Ceramic AD C18 RCDD106 B222K J 2200p 50V Ceramic AB C19 RC E1H105SNPW J 1 50V Electrolytic AC C20 RCDD407SR104K...

Page 117: ...HEHZS27 3 1 J Zener Diode AB D4 VHD1SS270ATE1 J Diode AB D5 VHD1SS270ATE1 J Diode AB D6 VHD1SS270ATE1 J Diode AB D7 VHEHZS16 3 1 J Zener Diode AB D8 VHD1SS270ATE1 J Diode AB D9 VHDAG01 1 J Diode AE D10 VHDFMB26L F J Diode AH D11 VHEHZS15 2 1 J Zener Diode AB D12 VHD1SS270ATE1 J Diode AB TH1 VHS8D2 10LD 1 J Power Thermistor AE PACKAGED CIRCUITS å PC1 VHPPC123FY2 1 J Photo Coupler AF å PC2 VHPPC123F...

Page 118: ...g Part AE 19 PSPAK0016CEZZ J Spacer AQ 20 LHLDW1060CEZZ J Wire Holder x2 AB 21 XHBSF40P16000 J Screw x14 AA 22 XBTSC40P12R00 J Screw x6 AC 23 XEBSD30P08000 J Screw x31 AA 24 XEBSD40P10000 J Screw x10 AA 25 XEBSF30P06000 J Screw x12 AA 26 PSLDM4500CEZZ J Shield Sheet AC 27 LHLDW1025TAZZ J Wire Holder AB 28 XBBSF30P08000 J Screw x2 AA 29 XBBSN26P04000 J Screw x2 AA 30 XEBSF30P12000 J Screw x3 AA 31 ...

Page 119: ...8 16 8 14 22 4 5 3 7 24 37 19 2 1 2 4 2 9 2 7 2 8 16 Control Unit 23 2 2 23 18 8 13 17 14 23 8 5 10 9 9 11 39 8 18 8 9 8 6 8 9 8 9 8 19 8 2 6 1 24 1 1 1 6 32 1 6 1 6 1 6 1 6 1 2 1 3 23 26 1 4 8 4 8 5 8 5 8 5 13 12 24 35 35 1 5 1 5 1 5 1 5 8 18 8 7 8 11 8 15 15 2 3 2 5 2 6 21 28 B A 8 20 8 27 8 8 B A A 23 38 31 2 Main Unit Amp Unit DC DC Unit Power Unit Lamp 1 Unit Lamp 2 Unit Lamp GND Unit R C Rec...

Page 120: ...35CEFW J Shaft Screw x2 AD 22 PSPAZ0378CEZZ J Spacer x1 FFC AD 23 PSLDM4629CEFW J Shield Plate AM 24 NSFTZ0106CEFW J Shaft Screw x3 AC 25 NSFTZ0145CEFW J Shaft Screw x1 AD 26 QEARZ0030CEZZ J Grounding Part AG 27 QEARZ0031CEZZ J Grounding Part AH 28 QEARZ0032CEZZ J Grounding Part AP 29 NSFTZ0136CEFW J Shaft x5 AD 30 PSPAZ0361CEZZ J Heat Sink x1 AU 31 PSPAZ0362CEZZ J Heat Sink x1 AM 32 XBPSD26P05R00...

Page 121: ...ystem Rear Terminal Unit Main Unit PC I F Unit Front Terminal Unit 21 20 17 19 3 1 3 2 3 3 13 25 16 16 16 27 10 8 9 32 11 22 16 3 18 26 17 3 4 1 2 3 3 4 1 3 7 6 3 5 12 1 16 14 15 4 14 17 16 16 16 16 17 23 30 31 2 1 3 4 2 2 7 5 28 16 16 16 16 29 29 29 29 29 24 24 2 24 28 3 6 Power Unit ...

Page 122: ...DW1224CEZZ J Cable Clamp x4 AC å QACCD5023CEZZ J AC Cord for Display AX å QACCD5024CEZZ J AC Cord for AVC System AX RRMCG1619CESA J Infrared R C Unit AT PACKING PARTS NOT REPLACEMENT ITEM SPAKC5487CEZZ Packing Case SPAKP0892CEZZ Wrapping Paper for Display SPAKP0869CEZZ Wrapping Paper for AVC SPAKX2955CEZZ Buffer Material TLABN0283CEZZ No Label TLABK0001TAZZ Barcode Label SPAKF0496CEZZ Reinforcing ...

Page 123: ...rcing Pad Accessories Wrapping Paper AVC AVC System Wrapping Paper Display Infrared R C Unit AC Cord System Cable Reinforcing Pad AVC Buffer Material No Card Reinforcing Pad Display Polyethylene Bag Terminal Cover FRONT Operation Manual Batteries Cable Clamp 4 pcs Accessories ...

Page 124: ...MODEL AN 28SP2 OUTLINE SPEAKER SYSTEM Speaker System for the LCD Monitor Appropriate Model This speaker system is for exclusive use with model LC 28HM2 ACCESSORIES Speaker system 1 Set Speaker system fixing screws 4 Rear cover 2 Instruction ...

Page 125: ...ws Rear cover Rear cover Speaker system Supplied speaker system fixing screws Weight Approx 3 5 kg Approx 13 3 kg LCD display unit Approx 3 5 kg AVC system Back cover Cable clamps Please insert 3 Install the speaker system Never insert the speaker system fixing screws in the provided holes without attaching the speakers If inserted without the speakers they will damage the internal parts Therefore...

Page 126: ...echange par une autre qui ne présente pas les mêmes caractéristiques de sécurité que la pièce recommand ée par l usine et repérée dans ce manuel de service peut provoquer une électrocution un incendie ou tout autre sinistre COMMENT COMMANDER LES PIECES DE RECHANGE Pour que votre commande soit rapidement et correctement remplie veuillez fournir les renseignements suivants 1 NUMERO DU MODELE 2 NO DE...

Page 127: ...mm 27 116 71 13 448 160 126 PACKING OF THE SET Packing Case Polyethylene Sack Instruction Manual Reinforcing Pad Top Reinforcing Pad Bottom Polythylene Sack Polythylene Sack Polythylene Sack Polythylene Sack Rear Cover Screw 4pcs Rear Cover ...

Page 128: ...d in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan D Japan P Japan TQ1061 S JAN 2001 Printed in Japan SY KD ...

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