Panasonic PT51HX41E - 51" PROJECTION TV Скачать руководство пользователя страница 59

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LG-Board Schematic, Layout & Voltages

LG-Board Voltage Measurements (IC & Transistors)

Q331

2.89

11.51

2.47

B
C
E

Q334

8.14
1.43
8.00

Q338

175.90

8.20

175.90

Q375

175.20

0.30

175.80

Q374

176.50
216.80
176.00

Q956

9.50

71.70

9.00

B
C
E

Q941

1.00
9.00
0.40

Q955

129.80

71.70

130.40

Q935

10.20
19.50

9.60

Q936

10.80
19.50
10.20

Q939

10.20

0.00

10.80

Q937

9.60
0.00

10.20

B
C
E

Q938

137.90
130.90
138.50

IC880

1
2
3

. . . . . 19.98
. . . . . . 0.00
. . . . . 11.94

Q373

11.90

175.20

11.50

Содержание PT51HX41E - 51" PROJECTION TV

Страница 1: ...signed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in at...

Страница 2: ...ower OFF when the lens is removed or when checking the cleanliness of the lens 3 Do not remove the lens or metal box to check the projection tube for operation by watching it directly Use a mirror or...

Страница 3: ...4 Figure 3 Measuring H V 4 Connect a H V meter static type class 0 1 with high voltage leads to high voltage distributor on FBT See Figure 4 Figure 4 DVM Power supply connection 5 Connect the 15 25 V...

Страница 4: ...ezoid Adjustment EWTRA 18 Pincushion Adjustment PCC 19 Centering Magnets Adjustment 19 Horizontal Size Adjustment H WID 19 Convergence Adjustment 19 Coarse Adjustment Mode COARSE 20 Fine Adjustment Mo...

Страница 5: ...til solder flows Do not apply heat for more than 3 seconds How to Replace Flat IC Required Tools 1 Cut the pins of the defective IC with the wire cutter pliers and remove it completely away from the b...

Страница 6: ...er parts should be replaced with components of identical specification Feature Table FEATURE PT 51HX41E CE PT 56HX41E CE PT 61HX41E CE Chassis P5P Tunning system 256K of channels 181 Menu language Eng...

Страница 7: ...BOARD TNPA2033 PIP PROCESSING SPLIT SEARCH FORMATS D BOARD TNPH0371 POWER SUPPLY VERTICAL OUT HORIZONTAL OUT Table 2 Boards Designation Note The A Board TNPH0370S and DH Board TNPA2033S are Non Servic...

Страница 8: ...ting features when menus are displayed Channel Press to select programmed channels Press to highlight desired features when menus are displayed Also use to select Cable Converter box channels after pr...

Страница 9: ...id Tune Button Press to switch to the previous channel ACTION Button Press to display Main Menu and access or exit On Screen features and Adjustment Menus REW PLAY FF TV VCR STOP PAUSE REC VCR CHANNEL...

Страница 10: ...ard Description A Main Chassis Video Processing Convergence Audio Processing D Power Supply Vertical Out Horizontal Out DH PIP Processing Split Search Formats LB Blue CRT Output LG Green CRT Output LR...

Страница 11: ...ard assembly Remove the 2 screws from the left and right sides of Keyboard assembly Tilt the Keyboard assembly upward and release it from the screen frame assembly Speakers Replacement 1 Remove the sp...

Страница 12: ...Note exact orientation of each screen The orientation and order of the screens is critical for projecting pictures properly Detailed screen assembly can be seen in Figur e20 Main Chassis Block Light B...

Страница 13: ...housing Figure 15 CAUTION Do not remove the 4 CRT lens screws 8 Release CRT anode lead from CRT chassis wire clamp and all other wires from holders 9 Loosen a screw that secured the DY and remove it...

Страница 14: ...ocation as on other CRT focus lens Figure 18 CRT Screw Tightening Order Note Please assemble with screws in the order shown and tighten with the same torque Optical Block Position Adjustment Figure 19...

Страница 15: ...Voltmeter to each Test Point and confirm the B Voltages See Table 3 FRONT REAR Protective Screen Fresnel Screen Lenticular Screen Front Cabinet note vertical ridges note circular ridges Label on lower...

Страница 16: ...ocus Adjustment Waveform 5 To change DAF DATA enter to service mode then press POWER on remote to display DACs menu then select DAC by pressing CH RIGHT LEFT and VOL UP DOWN then press ACTION to enter...

Страница 17: ...4 Position the longer tab of the four pole magnet to 90 degrees uncorrected position See Figure 27 5 Position the long tab of all alignment magnets and of the dummy ring together in an uncorrected po...

Страница 18: ...r red and blue lenses 3 Set DAC MUTE from 0 to 1 disabling digital convergence 4 Adjust centering magnets so that the center of pattern get aligned with screen frame center 5 Adjust DAC VSIZE until ve...

Страница 19: ...ering magnets until the monoscope pattern center is at the appropriate distance as indicated on Figure 34 12 Enable digital convergence by changing DAC MUTE from 1 to 0 13 Following the adjustment mak...

Страница 20: ...econds 18 In FINE ADJUSTMENT MODE options press MUTE key on remote to switch between cursor mode and data mode Cursor mode Allows cursor movement by pressing VOL right left and CH up down Data mode Al...

Страница 21: ...sing TV VIDEO 17 Adjust by pressing CH up down See Figure 42 18 Press 7 then ACTION key on remote to save changes Figure 42 KEY mode adjustment Note Confirm that pattern looks like a square and almost...

Страница 22: ...green pattern 42 Press 7 key on remote then ACTION to save changes 43 Press POWER then ACTION to exit adjustments or press TV VIDEO for at least 3 seconds to change to Fine Adjustment Mode Fine Adjus...

Страница 23: ...he non visible area inside the ovals area see Figure 48 This applies to LINE POINT ORIGIN POINT modes 17 Begin adjustment from the center to the edge of the screen 18 Adjust to make lines as much stra...

Страница 24: ...l convergence is enabled MUTE to 0 vertical size is 4 0 0 1 lines at C Convergence Alignment Template The Convergence Alignment Template is a grid approximately the size of the viewing screen used to...

Страница 25: ...and ACTION to enter the adjustment Note Some adjustments are available only in some modes 480i 480p 1080i it is needed to apply the format For some adjustments is required to perform adjustment for ea...

Страница 26: ...ted Service Adjustments MTS Adjustments Description Default Level New Level MTSIN INPUT LEVEL 1B SEPAL LOW LEVEL SEPARATION 06 SEPAH HIGH LEVEL SEPARATION 1A CLOCK Adjustments Description Default Leve...

Страница 27: ...N 19 DEFAULT V I VERTICAL ENDING CORRECTION 0F DEFAULT VSYM VERTICAL MAGNET CORRECTION 04 DEFAULT VCORR VERTICAL CORRECTION 0C CONV Adjustments Description Default Level New Level MUTE DIGITAL CONV ON...

Страница 28: ...EXIT EXIT Figure 56 Flow Chart for Serviceman Mode N Y N Y ON REMOTE RECALL ON REMOTE A ACTION ON REMOTE ACTION ACTION To view the adjustments menu press power Once in adjustments menu press right lef...

Страница 29: ...ode Continued A ON REMOTE CONTROL TO previous next adjustment ON REMOTE TO to make adjustment CH CH VOL VOL Press POWER or ACTION to exit the adjustment EXIT Press POWER to exit DACs MENU then press A...

Страница 30: ...icture to OFF 2 Set the following in the user picture menu as follows COLOR min 0 PICTURE max 63 BRIGHT center 31 SHARPNESS min 0 Procedure 1 Apply a Black levels Pattern See Figure 57 2 Adjust DAC BR...

Страница 31: ...have too much blue or green 6 Use a test signal from a VCR or laser disk that has a pre recorded close up of a signal that has good flesh tones 7 The signal on the VCR or laser disk should look norma...

Страница 32: ...r TPA009 to cold ground Note Frequency Counter probe capacitance should be 8pF or less Procedure 1 Turn the PTV ON with the AC power applied 2 Measure TPA009 IC001 MPU pin 10 for frequency and record...

Страница 33: ...61 Audio Signal Path Block Diagram A Board Tuner 1 A1 AYUV1 AYUV2 A PROG OUT IC3001 AUDIO INPUT SELECTOR A2 A3 IC3001 AUDIO INPUT SELECTOR IC2451 AUDIO CONTROL IC2304 VAO IC2302 L R AMP IC1002 MPU DO...

Страница 34: ...OUT LR BOARD BLUE PRT GREEN PRT RED PRT MAIN Y Pb Pr SUB Y Pb Pr OSD RGB OSD RGB V_MUTE VM VM VM VM R G B B Y R Y MAIN SUB CC SUB_H SUB_V SUB_CLK Y UV MAIN_H MAIN_V MAIN_CLK Y UV Y UV Y UV MAIN SUB Y...

Страница 35: ...02 MPU 7 4 3 5 6 1 2 A10 SDA2 SCL2 GND SCL1 5V FA SDA1 IC4504 MAIN GC1 IC601 IC602 DH Board IC9901 AMDP1 IC4513 SUB GC1 IC2505 IIC2 TUNER1 MAIN IC1004 EEPROM TUNER2 SUB IC3001 A V SELECTOR IC3002 A V...

Страница 36: ...10V NC HEATER 6 3V OFF MUTE GND B 12V GND S ABL GND VM NC 140V A12 CY_G 1 2 3 4 GH R GH GV GV R A11 CY_R 1 2 3 4 RH R RH RV RV R A13 CY_B 1 2 3 4 BH_R BH BV BV R A10 BUSSCON 1 2 3 4 5 6 7 5V FA GND SC...

Страница 37: ...6 7 8 9 10 11 12 13 14 15 16 BLK 9V SDA GND SCL GND GND GND VP3 GND V PULSE GND GND GND H PULSE SET 5V A6 G1 1 2 3 4 5 6 7 8 9 Y V NC GND C S L GND R GND A4 D4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Страница 38: ...C414 TCJ2VB1H272K CAP C 0027UF K 50V C417 TCJ2VB1H103K CAP C 01UF K 50V C418 ECQB1H183JM3 CAP P 018UF J 50V C421 ECEA1CN220UB CAP E 22UF 16V C461 ECA1HM221B CAP E 220UF 50V C501 ECA1VM101B CAP E 100UF...

Страница 39: ...H223ZF5 CAP C 022UF Z 50V C851 ECQV1H104JL3 CAP P 10UF J 50V C852 ECA1VM101B CAP E 100UF 35V C854 ECA1CM221B CAP E 220UF 16V C855 TCJ2VB1E104K CAP C 10UF K 25V C883 ECQV1H474JL3 CAP P 47UF J 50V C890...

Страница 40: ...D516 EU2YXV0 DIODE D519 AU02ZV0 DIODE D634 MA165TA5VT DIODE SWITCHING D650 MA4110MTA DIODE ZENER D651 MA4110MTA DIODE ZENER D656 MA4110MTA DIODE ZENER D657 MA4110MTA DIODE ZENER D659 MA4110MTA DIODE Z...

Страница 41: ...ERRITE BEAD L821 EXCELDR35V FERRITE BEAD L825 TALL08T330KA LINE FILTER L826 TALL08T330KA LINE FILTER L827 TALL08T330KA LINE FILTER L888 TALL08T680KA LINE FILTER L901 EXCELSA35T FERRITE BEAD L902 EXCEL...

Страница 42: ...J822T RES C 8 2K J 1 4W R319 ERG12SJ101P RES M 100 J 1W R320 ERDS1FJ330P RES C 33 J 1 2W R321 ERDS1FJ330P RES C 33 J 1 2W REF NO PART NO DESCRIPTION R322 ERG12SJ101P RES M 100 J 1W R323 ERDS2TJ182T RE...

Страница 43: ...537 ERJ6GEYJ272V RES M 2 7K J 1 10W R538 ERJ6GEYJ103V RES M 10K J 1 10W R539 ERDS2TJ393T RES C 39K J 1 4W R541 ERDS2TJ563T RES C 56K J 1 4W R550 ERDS2TJ273T RES C 27K J 1 4W R601 ERJ6GEYJ101V RES M 10...

Страница 44: ...1 ERG1SJ271P RES M 270 J 1W R942 ERDS1FJ152T RES C 1 5K J 1 2W R943 ERDS1FJ152T RES C 1 5K J 1 2W R946 ERQ14AJ100P RES F 10 J 1 4W R947 ERQ14AJ120P RES F 12 J 1 4W R948 ERDS2FJ122T RES C 1 2K J 1 2W R...

Страница 45: ...T 61HX41E CE M020 TKE2AA00805S ASSY SCREEN FRAME PT 56HX41E CE M021 TKGF5005 LENS PTV PT 51HX41E CE PT 61HX41E CE M022 TKG2AA50051 MIRROR GLASS PT 51HX41E CE REF NO PART NO DESCRIPTION M023 TKG2AA5006...

Страница 46: ...Y SIDE GRILLE LEFT PT 61HX41E CE M057 TKP2AA02312S ASSY SIDE GRILLE RIGHT PT 61HX41E CE M058 TKP2AA0532S ASSY CONTROL PANEL PT 51HX41E CE M059 TKP2AA0534S ASSY CONTROL PANEL PT 56HX41E CE PT 61HX41E C...

Страница 47: ...C 270 J 1 4 CAP P 068UF K 50V RESISTOR TYPE TOLERANCE C Carbon F 1 F Fuse J 5 M Metal Oxide K 10 S Solid M 20 W Wire Wound G 2 CAPACITOR TYPE TOLERANCE C Ceramic C 0 25pF E Electrolytic D 0 5pF P Poly...

Страница 48: ...The different sections are referred to as HOT section and COLD section in the precautions below 1 Do not touch the HOT section and the COLD section at the same time You may seceive an electric shock...

Страница 49: ...50 ALL MODELS D Board Schematic Left Portion...

Страница 50: ...51 ALL MODELS D Board Schematic Right Portion...

Страница 51: ...52 ALL MODELS A Board Schematic Left Portion...

Страница 52: ...53 ALL MODELS A Board Schematic Left Middle Portion...

Страница 53: ...54 ALL MODELS A Board Schematic Right Middle Portion...

Страница 54: ...55 ALL MODELS A Board Schematic Right Portion...

Страница 55: ...56 ALL MODELS DH Board Schematic...

Страница 56: ...57 ALL MODELS K G R Board Schematics Layouts K Board Schematic K Board Layout G Board Schematic G Board Layout R Board Schematiematic R Board Layout...

Страница 57: ...0 30 176 20 B C E Q309 176 40 8 10 176 40 Q354 177 00 216 80 176 80 Q353 11 50 175 70 11 90 Q308 8 10 1 70 8 00 Q302 2 90 11 50 2 50 Q301 0 00 210 00 0 00 B C E Q303 0 60 0 10 0 00 Q901 137 90 130 40...

Страница 58: ...tors Q395 173 00 0 30 174 00 B C E Q370 174 10 8 20 174 00 Q394 174 40 216 90 174 20 Q393 11 90 173 10 11 50 Q367 8 10 2 50 8 10 Q364 6 80 0 00 3 60 B C E Q362 7 50 11 90 6 80 Q961 137 90 130 40 138 5...

Страница 59: ...4 1 43 8 00 Q338 175 90 8 20 175 90 Q375 175 20 0 30 175 80 Q374 176 50 216 80 176 00 Q956 9 50 71 70 9 00 B C E Q941 1 00 9 00 0 40 Q955 129 80 71 70 130 40 Q935 10 20 19 50 9 60 Q936 10 80 19 50 10...

Страница 60: ...91 0 60 1 12 0 00 5 96 3 11 7 04 8 91 IC603 1 2 3 4 5 6 7 8 3 11 4 47 4 47 0 00 3 23 3 24 2 97 8 91 IC451 1 2 3 4 5 6 7 0 00 17 31 15 97 17 28 0 00 17 09 0 00 IC1501 1 2 3 4 5 6 7 8 0 00 5 80 4 68 0 0...

Страница 61: ...p p IC451 PIN 3 13 68 8V p p IC451 PIN 5 V OUT 14 14 0V p p Q551 B 15 1 50KV p p Q551 C 16 3 12V p p IC601 PIN 1 H PULSE 17 3 20V p p IC601 PIN 2 VP3 18 6 48V p p IC601 PIN 10 FBP IN 19 8 40V p p IC6...

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