Hitachi 51F710 Service Manual Download | Manualshive

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DP45

TABLE OF CONTENTS

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Summary of Contents for 51F710

Page 1: ...PLODED VIEW PARTS LIST 28 65 EXPLODED VIEW DRAWING 32 65 EXPLODED VIEW PARTS LIST 34 CABINET SEPARATION INSTRUCTIONS 36 CAUTION These servicing instructions are for use by qualified service personnel only To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so SAFETY NOTICE USE ISOLATION TRANSFORMER...

Page 2: ...68 AT03872M RES 1 2KOHM 1 2W RDS50 CARBON FILM NOT APPLIED NOT APPLIED RM74 AT03866M RES 470OHM 1 2W RDS50 CARBON FILM NOT APPLIED SM01 FE10402R PUSH SWITCH SKQNAB SM08 FE10402R PUSH SWITCH SKQNAB NOT APPLIED DEFLECTION RH27 0100098M RES CARBON FLM 1 8W 24K JB RH27 0100100M RES CARBON FLM 1 8W 30K JB RH32 0100119M RES CARBON FLM 1 8W 180K JB RH32 0100121M RES CARBON FLM 1 8W 220K JB SIGNAL CA53 02...

Page 3: ...stment 18 2 11 6 Magic Focus Initialize 19 2 12 Blue Defocus Adjustment 20 2 13 White Balance Adjustment 21 2 14 Sub Brightness Adjustment 21 2 15 Sub Picture Signal Amplitude Adjustment 22 2 16 Horizontal Position Adjustment 23 2 17 Scanning Area Check 23 2 18 Bottom Panel Distortion Check 24 2 19 Side Panel Distortion and Top Bottom Panel Distortion Check 24 IMPORTANT For many of the above adjus...

Page 4: ...ing pages using CURSOR G H on Remote Control Adjustable Data Others Fixed Data be careful not to change 4 Press EXIT key to exit I2C ADJUST mode NOTES 1 If the TV I2 C data is different from the I2 C Parameter of the following pages for fixed data change the data 2 When exchanging microprocessor or EEPROM and TV is turned on for first time it requires initialization of Memory Initial of I2C adjust...

Page 5: ...ttons and Picture will turn bluish Important High Voltage adjustment should NOT be adjusted in field This is adjusted at factory using precise loads and should NOT be readjusted 1 4 High Voltage Adjustment should NOT be readjusted in field Adjustment preparation 1 Connect High Voltage meter to FBT High Voltage output Connect GND of High Voltage meter to CPT GND or FBT GND 2 Check that High Voltage...

Page 6: ...tical raster inclination 3 Then remove the shorted wire on the 2p EH TS sub mini connectors on the R or B CPT PWB and project red or blue light and green light together on screen Adjustment procedure 1 Press and hold INPUT key on control panel and then POWER ON to access I2 C adjustment mode 2 Choose SERVICE item from I2 C adjustment menu by pressing THUMB STICK E 3 Screen VR should be turned cloc...

Page 7: ...paration 1 Adjust at least 30 minutes after turning on power switch 2 Raster tilt should be completed Raster position horizontal and vertical size and optical focus adjustment should be coarse adjusted 3 Set video conditions to factory preset 4 Turn the deflection yoke of R or B and set so that the inclination of R or B light with respect to the green light is as shown below on the top and bottom ...

Page 8: ...static focus VR on the Focus Pack fully clockwise Blooming 2 8 SIDE PIN DISTORTION VERTICAL SIZE HORZONTAL SIZE TRAPEZOID DISTORTION ADJUSTMENT Adjustment preparation 1 Receive any NTSC signal 2 VIDEO control should be set Factory Preset condition 3 BEAM FORM adjustment should be finished Adjustment procedure NORMAL MODE 1 With the unit on and the R C in DCAM mode 2 Press the service button and pr...

Page 9: ...erration when adjusting BACK TO ADJUSTMENTS TRAPEZOID DISTORTION 9 Choose EW TRAP TRAPEZOID item by using G H keys 10 Adjust TRAPEZOID as follows using F E keys 11 After adjustment press EXIT key on R C and SERVICE ONLY SW to exit from DCU Crosshatch Vertical Screen frame line edge of vertical DCU cross hatch line should be Prallel condition 2 9 LENS FOCUS ADJUSTMENT Adjustment preparation 1 The o...

Page 10: ...1 3mm at the point specified in table below Change the signal and fine adjust the same way as the G lens OPTICAL FOCUSING ADJUSTMENT GREEN Change the signal to the circle pattern and fine adjust Observe the corner part of the screen especially observe number in the small circle when adjusting If the focus performance at the screen center exceeds the lower limit it is acceptable CHASSIS DP45 SCREEN...

Page 11: ...nt Adjustment procedure 1 Red and blue static focus adjustment Adjust the static focus VR on Focus pack UFPK so that the center of circle pattern is the most clear Check that the focus does not get conspicuously worse at the edges of the circle pattern signal or cross hatch signal 2 Green static focus adjustment Adjust the static focus VR on Focus pack UFPK for green so that the center of circle p...

Page 12: ...ONV PWB then press the Power On Off when picture appears release SERVICE ONLY switch Internal crosshatch is displayed without conv correction data 3 Set R C to DCAM mode refer to page 47 4 Press the DAY NIGHT button 2 times for ROM READ operation Picture will appear with convergence correction data Adjustment Procedure 1 Press key on R C One additional line appears near the top and near the bottom...

Page 13: ...e top upper right corner right middle in this order 4 Use the keys to switch color of pattern INFO Green pattern 0 Red pattern INPUTS Blue pattern 5 Press CURSOR PAD F or E to change the data value to the horizontal direction Press CURSOR PAD G or H to change the data value to the vertical direction 6 Set the data as shown below RH 04 RV FF 1 2 3 4 5 6 7 0 1 3 5 7 0 1 2 3 4 5 6 7 RH 04 00 fc 02 fc...

Page 14: ...14 DP45 Convergence For Outside Signal function Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 BACK TO ADJUSTMENTS ...

Page 15: ...15 DP45 BACK TO ADJUSTMENTS ...

Page 16: ...Outside Light 2 2 Placing of sensor 3 Is pattern hitting sensor 4 Check connection and solder bridge of sensor 5 Replace sensor 6 Replace sensor P W B 7 Sensor Connector check 8 Replace DCU 9 Adjustment check H V size centering VF Error Replace DCU 3 2 4 Over Flow 1 Check the placement of sensor 2 Adjustment check H V size centering 3 Conv amp gain check 1 check resistor values only A D Level Same...

Page 17: ... 82 0 82 0 82 0 82 0 1129 635 51S715 Part Number H312272 22 101 5 101 5 101 5 101 5 101 5 101 5 101 5 101 5 101 5 101 5 101 5 101 5 22 34 1 45 8 91 7 91 7 1262 710 57S715 Part Number H312273 91 7 91 7 91 7 91 7 45 8 34 1 R B 51 Wide R B 57 Wide 2 11 3 Convergence Jig Screen Specifications BACK TO ADJUSTMENTS ...

Page 18: ...rt adjustment at the center of the screen 3 Continue adjustment at next closest position 4 Adjust center area first ending with edge sections 5 Press GUIDE button to perform calculation operation This process will take about 1 second and no picture will be seen at this time 6 After interpolation check convergence again and repeat 1 5 if necessary 7 When convergence is acceptable press ASPECT to wr...

Page 19: ...r an error code refer to page 44 CONVERGENCE ERRORS HITACHI DCU ADJUST SPECIAL MODE 1 HITACHI DCU Adjust Mode is intended for service use only Customers should not be given access to this mode 2 To place the remote control into DCU Adjust Mode 3 See image of remote for button operations associated with this mode 4 To exit the DCU Adjust Mode the user must program the R C of TV mode to the Hitachi ...

Page 20: ...lor as a reference color then adjust Low Light W B by increasing other two colors CUT OFF data Do not change GREEN CUT OFF data CA 100 Probe should be set to a direction as shown below Repeat A B two or three times until no adjustment is needed white balance tracking GOOD If W B tracking is not good set all data Both DRV and CUT OFF to inital data and change reference color to different color Note...

Page 21: ...Sub Brightness using CURSOR F E to increase or decrease the value according to figure Visually adjust 3 After adjustment press MENU button to exit I2 C ADJUST mode Data is stored in memory Note When selecting SUB BRIGHTNESS mode the microprocessor sets the CONTRAST and COLOR to MIN automatically but make sure that the other conditions are center Directly observe the screen by eye without using a m...

Page 22: ...o YPBPR DVI 6 Connect probe on the P852 CPT P W B Green to check sub picture amplitude Adjustment procedure 1 Go to SUB CONT TV S adj on the I2 C service mode 2 Press PIP button and PIP Mode button of R C 3 Observe P852 on the CPT P W B and change the SUB CONT TV S I2 C data so that the amplitude of the sub picture is the same level as that of the main picture DISPLAY Main Picture Press PIP button...

Page 23: ...3 DIGITAL CONVERGENCE adjustment should be finished Adjustment procedure NORMAL 16 9 STANDARD MODE 1 Receive circle pattern 2 Picture Format is 16 9 Standard 3 Go to I2 C Adj mode by pressing INPUT and POWER button on control panel at the same time 4 Choose H POSITION item using R C THUMBSTICK G H 5 Adjust HORIZONTAL POSITION as follows using R C THUMBSTICK F E Spec Balance Left Right side display...

Page 24: ...Max Brightness Center 3 Measure side panel width as shown below A F 2 18 TOP BOTTOM PANEL DISTORTION CHECK Measuring Condition 1 Measure it after 20 minutes or later of the picture appearance 2 Display NTSC Contrast Max Brightness Center 3 Press PIP key on remote controller to select SPLIT mode as shown below 4 Measure Top Bottom panel width as shown NOTE If any of the above is not within specific...

Page 25: ...25 DP45 BACK TO ADJUSTMENTS 2 19 1 ADJUSTMENT POINT CRT cabinet locations ...

Page 26: ...26 DP45 EXPLODED VIEW TABLE OF CONTENTS ...

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Page 32: ...32 DP45 EXPLODED VIEW 65F710 TABLE OF CONTENTS ...

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Page 36: ...on by grabbing the bottom corner of frame and the back cover see a b Lift upwards see c d gently place the top portion on the the floor see e CAUTION DISCONNECT UNIT FROM POWER SOURCE BEFORE DISASSEMBLY ASSEMBLY P QL22489 c d e STEP 2 Remove the 8 screws that hold the screen frame to the cabinet on the front side STEP 3 Remove the 6 screws that hold the back cover to the cabinet on the front side ...

Page 37: ...is assembly contains fragile parts such as glass and the viewing screen Avoid any type of impact that could cause breakage of these components Remove top portion by grabbing the bottom corner of frame and the side of the TV see a b Lift upwards see c d gently place the top portion on the the floor see e CAUTION DISCONNECT UNIT FROM POWER SOURCE BEFORE DISASSEMBLY ASSEMBLY P QL22488 c d e STEP 2 Re...

Page 38: ...ER PWB KR03251 ULTRASHIELD HC 51W KR03302 DP43 SCREEN ASSY 51 KS07995 04 51 MODELS MIRROR GLASS NT04071 FRAME ASSY 51F510 UE23122 DP45 CHASSIS ASSY UE23142 DP45 SIGNAL BOARD ASSY UE23152 DP45 POWER DEFLECTION BOARD ASSY UE23411 DIGITAL MODULE HCY501 UE23421 DP43 51 PRT ASSY R UE23422 DP43 51 PRT ASSY G UE23423 DP43 51 PRT ASSY B X480282 SUB DEFLECTION PWB 61010150 CASTER WHEEL SIGNAL BOARD ASSY in...

Page 39: ...22 DP45 TUNER PWB KR03255 ULTRASHIELD HC 57W KR03306 SCREEN ASSY NO SHIELD KS07993 04 57 MODELS MIRROR GLASS NT04081 FRAME ASSY 57F510 UE23122 DP45 CHASSIS ASSY UE23142 DP45 SIGNAL BOARD ASSY UE23152 DP45 POWER DEFLECTIONS BOARD ASSY UE23411 DIGITAL MODULE HCY501 UE23424 PRT ASSY R UE23425 PRT ASSY G UE23426 PRT ASSY B X480282 SUB DEFLECTION PWB 61010150 CASTER WHEEL SIGNAL BOARD ASSY includes Sig...

Page 40: ...UNER PWB KR03263 ULTRASHIELD HC 65W KR03307 DP45 SCREEN ASSY 65 KS07994 MIRROR GLASS 65 2004 NT04661 FRAME ASSY 65F710 UE23122 DP45 CHASSIS ASSY UE23142 DP45 SIGNAL BOARD ASSY UE23152 DP45 POWER DEFLECTION BOARD ASSY UE23411 DIGITAL MODULE HCY501 UE24271 DP45 65 PRT ASSY R UE24272 DP45 65 PRT ASSY G UE24273 DP45 65 PRT ASSY B X480282 SUB DEFLECTION PWB 61010151 CASTORS FOR 65 SIGNAL BOARD ASSY inc...

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