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DigitalDevice DLP-37D1, Руководство по обслуживанию

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Contents 

1. Specifications.

................................................................................................................................................................................................................................................ 4 

1-1. Description.

.......................................................................................................................................................................................................................................... 4 

1-2. Features.

............................................................................................................................................................................................................................................... 4 

1-3. STRUCTURE AND PRINCIPLE OPERATION OF LCD.

............................................................................................................................................................................ 5 

1-4. General Specification.

............................................................................................................................................................................................................................ 9 

1-4-1. Specification.

.............................................................................................................................................................................................................................. 9 

1-4-2. I/O Description.

......................................................................................................................................................................................................................... 11 

1-5. Operation Environmental Conditions.

...................................................................................................................................................................................................... 11 

1-6. Storage Environmental Conditions.

......................................................................................................................................................................................................... 11 

1-7. Mechanical Test Conditions.

.................................................................................................................................................................................................................. 11 

2. Block Diagram.

............................................................................................................................................................................................................................................ 12 

2-1. Panel Block Diagram.

........................................................................................................................................................................................................................... 12 

2-2. Connector Layout & Pin Assignment.

...................................................................................................................................................................................................... 13 

2-2-1 PAL & SECAM – SCART.

........................................................................................................................................................................................................... 13 

3. Board Assembling.

....................................................................................................................................................................................................................................... 14 

3-1. Preparation.

........................................................................................................................................................................................................................................ 14 

3-2. Board Assembly Diagram

...................................................................................................................................................................................................................... 15 

3-2-1 Harness Path Diagram. (PAL/SECAM).

.......................................................................................................................................................................................... 15 

3- 3. Board Sort.

........................................................................................................................................................................................................................................ 17 

3-3-1 How to sort Main PCB according to Panel Maker (LG or Samsung).

................................................................................................................................................... 17 

3-3-2 How to sort Tuner PCB according to System (PAL, ATSC, 3-System).

................................................................................................................................................. 18 

4. Set Assembly.

............................................................................................................................................................................................................................................... 19 

4-1. Assembly Diagram.

.............................................................................................................................................................................................................................. 19 

4-1-1. Assemblage of Front Parts.

.......................................................................................................................................................................................................... 19 

4-1-2. Assemblage of IR.

...................................................................................................................................................................................................................... 20 

4-1-3. Sub Panel Assembly.

................................................................................................................................................................................................................... 21 

Содержание DLP-37D1

Страница 1: ...1 Service Manual LCD TV Panel Grade HD Ready Buyer Model No DLP 37D1 Manufacturer Model No LD 3760 DIGITALDEVICE INC...

Страница 2: ...lock Diagram 12 2 1 Panel Block Diagram 12 2 2 Connector Layout Pin Assignment 13 2 2 1 PAL SECAM SCART 13 3 Board Assembling 14 3 1 Preparation 14 3 2 Board Assembly Diagram 15 3 2 1 Harness Path Dia...

Страница 3: ...semblage of Rear Cover 25 4 1 8 Assemblage of Stand 26 4 2 Screw Part Name 27 4 3 Part List 29 5 Trouble Shooting 30 5 1 Power Failure 31 5 2 KEY LED IR Control Failure 31 5 3 Picture Failure 32 5 4 S...

Страница 4: ...tains 1366 x 768 pixels and can display up to 16 7 million colors with wide viewing angle of 170 or higher in all directions 1 2 Features INCH 37 Screen Size mm 37 02 inches 940 3mm Aspect ratio 16 9...

Страница 5: ...cs of the chosen fluid If this drawing was made to scale it would be very difficult to see any detail at all between the glass plates A liquid crystal display LCD is a parallel plate capacitor with a...

Страница 6: ...for this seal as it speeds up the manufacturing process We then apply a crossover dot usually a small spot of silver to connect the common plane electrode on the top piece of glass to the segment plan...

Страница 7: ...are oriented perpendicular to the ones at the bottom This 90o rotation is the twist in a twisted nematic display Fig 2 The liquid crystal molecules between the top and bottom glass form a spiral struc...

Страница 8: ...he electro optic response characteristic of our standard TN cell is asymmetric because only the turn on state can be activated by an electric field When the RMS voltage goes to zero the twisted struct...

Страница 9: ...Tuning max 100programs Fine Tuning System Auto Manual Programming Sorting 1 Tuner Built in Tuner TV System UHF VHF Hyper band Multi Language OSD English Finland French Germany Spanish Italian Portugue...

Страница 10: ...SVGA XGA SXGA PC Analog RGB Max 1280 x 1024 60Hz Y Cb Cr Uncompressed HDMI Max pixel input 1920 x 1080i Picture PAL NTSC Audio PAL NTSC Input Port Video Input System Component Y Pb Cb Pr Cr 480i 1080...

Страница 11: ...to 40 C to 80 RH without condensation 1 6 Storage Environmental Conditions Temperature 20 to 60 C Humidity 10 to 70 RH without condensation 1 7 Mechanical Test Conditions Vibration operating 4 9m s2...

Страница 12: ...12 2 Block Diagram 2 1 Panel Block Diagram LG Panel...

Страница 13: ...13 2 2 Connector Layout 2 2 1 PAL SECAM SCART 2 2 1 1 Main Board Sub Board...

Страница 14: ...ation Place a sheet over a flat table which can support the weight of LCD CAUTION The sheet must be clean smooth and thick enough to reduce any impact which might occur while handling Lay down the uni...

Страница 15: ...LVD 41 1 INVERTER 3 12P 12P 400MM DD L37INR 40 1 INVERTER 4 12P 12P 4P 500MM DD L37INL 40 1 SPEAKER 5 6P LUG A B 550MM DD L32SPK 40 1 KEY IR 6 14P 8P 6P 400mm 500mm DDL32KEYIR40 1 NOISE FILTER 2P GND...

Страница 16: ...1 200MM DDL32GND 40 1 GND HARNESS IR Knob to Panel BKT 2 400MM DDL37GND 40 1 As an above image for protecting PCB from static electricity GND Harness should be connected between Panel BKT and IR PCB I...

Страница 17: ...17 3 3 Board Sort 3 3 1 How to sort Main PCB according to Panel Maker LG or Samsung Main PCB for LG Panel Chip was soldered on FB49 R574 of Main PCB for LG Panel...

Страница 18: ...18 3 3 2 How to sort Tuner PCB according to System PAL ATSC 3 System Tuner PCB for PAL System Tuner PCB for ATSC System Tuner PCB for 3 System System Tuner PCB for 2 RCA...

Страница 19: ...Assembly Diagram 4 1 1 Assemblage of Front Parts Step1 Step2 Step3 Step 1 Put down the front Step 2 Assemble Speaker Grill elbow Use the Screw No 1 4ea No 2 14ea Step 3 Assemble L R Speaker Unit Use...

Страница 20: ...4 1 2 Assemblage of IR Step1 Step2 Step3 Step4 Step 1 Assemble Window IR Step 2 Assemble Window Plate Step 3 Assemble Knob Stand by Use the Screw No 1 4ea Step 4 Assemble Key IR Use the Screw No 1 2ea...

Страница 21: ...4 1 3 Sub Panel Assembly Step1 Step2 Step 1 Open the Box Put down the Panel Assemble Panel Cover Use the Screw No 3 8ea Step 2 Assemble Stand Support Use the Screw No 2 2ea...

Страница 22: ...4 1 4 Assembly of Panel Ass y Step1 Step 1 Assemble Panel Ass y Use the Screw No 2 9ea Top 4ea Bottom 5ea...

Страница 23: ...le Main Board Retainer Coil 1ea Use the Screw No 4 12ea Hold the LVDS Cable Use the Retainer Coil Step 2 Assemble Noise filter Assemble Earth bolt Use the Screw No 5 1ea Assemble Noise filter Use the...

Страница 24: ...4 1 6 Assemblage of PCB Cover Step1 Step2 Step 1 Assemble PCB Cover Use the Screw No 2 14a Step 2 Assemble PCB Cover Use the Screw No 3 1ea No 7 7ea No 8 2ea...

Страница 25: ...4 1 7 Assemblage of Rear Cover Step1 Step2 Step 1 Assemble Knob Control Use the Screw No 1 6ea Step 2 Assemble Rear Cover Use the Screw No 2 14ea...

Страница 26: ...Assemblage of Stand Step1 Step2 Step3 Step4 Step 1 Assemble Stand Cover Step 2 Assemble Stand Base Use the Screw No 9 4ea No 10 4ea Step 3 Assemble Rubber Step 4 Assemble Stand Ass y Use the Screw No...

Страница 27: ...Black No 2 Taptite Panhead T S 2B 4 10Ni No 3 Machine Screw Washer Panhead WP 4 8 Black No 4 Machine Screw Plain Washer Spring Washer SW PW BP 3 8 No 5 Machine Screw Panhead External Teeth Washer T T...

Страница 28: ...No 8 Hexa Nut HEXA NUT No 9 Taptite Panhead T T BP 4 8 No 10 Machine Screw OVEL M4 10 No 11 Machine Screw Trusshead T 4 16 Black...

Страница 29: ...M170A2 COVER STAND 326 DW MOLD ABS SILVER 1EA 11 DL3760P303A PANEL COVER PAL PRESS EGI 1 2T PAL 1EA 12 DL3760P313A PCB COVER PAL PRESS EGI 1 2T PAL 1EA 13 DL3760P370A PANEL BRACKET 3760 PRESS EGI 1 6T...

Страница 30: ...defective symptoms checking the causes of defects and repair instructions Below images shows a simple drawing of the LCD fig 1 Following description is based on fig 1 Fig 1 Defect description will be...

Страница 31: ...D IR Remote Control Failure Step Check Point OK NG 1 Check the cable connections Next step Connect Replace 2 Replace the KEY LED IR B D temporarily Replace the KEY LED IR B D Next step 3 Replace the A...

Страница 32: ...on and output setting value for A V device DVD player VCR Settop Box before testing as described below Video mode is AUTO Step Check Point OK NG 1 Check the cable connections Especially check the cabl...

Страница 33: ...Adjustment 2 Check the Video mode with remote controller Next step Adjustment 3 Replace the ATSC B D ONLY ATSC SYSTEM Next step 4 Replace the AV B D Next step 5 Replace the AD B D Next step 6 Replace...

Страница 34: ...n directory Fig 3 Firmware Update Program 4 After clicking assign directory saved Flesch_logo exe in PC 5 After clicking assign WARE3_boot inf 6 If you turn on the LCD TV after clicking you make progr...

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