CHAPTER 2. Removing of Major Parts [1] Removing of Major Parts STAND FEET REMOVAL: 1.- Remove the screw M5X14 (2 per stand feet)
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2.- Take the stand and slide out downwards from the TV set. Note: Repeat operation in the 2nd stand UNSCREW THE REAR COVER ASSY: 1.- Remove the 4 screw 3X4.5and 2 screw T3x9, around the I/O cover area and AC-INLET.
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2.- Remove the 4 VESAscrews M6X12 3.- Remove the 19 screws M3X8 at the rear cover area.
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REMOVE THE REAR COVER ASSY: 1.-Use stand hole to pull rear cover and create GAP at corner area. 2.- Pull the Rear Cover from the bottom area and side area. ① The outer periphery of the front cover and CAB-B are fitted with hook , lift while pushing slightly inward.
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3.- Finally use team-job to remove the Rear Cover completely. REMOVE SPEAKERS, MAIN Board 、 Power Board 、 KEY Board 、 T-CON Board、 WIFI Board and Speakers.
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• Speakers 1.- Disconnect the cable of speaker 2.- Slide out the stud 3.- Repeat operation in the 2 speaker...
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• Main Board and WIFI board 1.- Disconnect the connection of the cable from the MB and WIFI board (Red rectangle). 2.- Detach the I/O cover from the MB...
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3.- Remove 5 screws M3X6 in the main area (Redcircle).
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4.- Unlock the hook (Red rectangle) and remove the WIFI board. 5.- Remove the screws (1pcs +PSW M3X8 [Red circle])and remove the WIFI holder.
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• PSU 1.-Disconnect the connection of the cable from the PSU (Red circle). 2.- To remove the PSU, unscrew 5 screws M3X6(Red circle)and 2 screws M3X8(Blue circle)
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• T-CON Board 1.- Disconnect the connection of the cable from the T-con (red rectangle) 2.- To remove the board, unscrew 6 screws M3X6( Yellow circle) • Key pad 1.- Disconnect the connection of the cable from the key pad (red rectangle)
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2.- To remove the key board, unscrew 2 screws T3X6 (Yellow rectangle)and 2 screws (red rectangle) • IR Board • 1.- Disconnect the connection of the cable from the IR board (red rectangle) •...
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2.Pull open the hook of IR Lens,then take IR Board out. WIRE DRESSING LAY-OUT...
CHAPTER 3. ADJUSTMENT PROCEDURE [1] ADJUSTMENT PROCEDURE 1. HOW TO START ADJUSTMENT PROCESS MODE WhileholdingdowntheINPUTandVolumeDOWNkeysatthesametime,plugintheACcordtoturnonthepower. (“K” standing for inspection process mode is displayed on the upper left position of thescreen.) Press the Channel DOWN and Volume DOWN keys at the same time. (The adjustment process mode screenappears.) 2.
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4. LIST OF ADJUSTMENT PROCESS MODE MENU (*) The page number will be changed at the running change. For the number to be changed, please check ( ). PAGE(*) PAGE ITEM FUNCTION NUMBER TITLE Main version Main Software Version. INFO (Detail) Eel_ATSC_Pack**_v*.**(****) V*.** : SW version (****) : Boot version...
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PAGE PAGE ITEM FUNCTION NUMBER TITLE Dimmer PT1 Dimmer Temperature Threshold 1 Dimmer PT2 Dimmer Temperature Threshold 2 Dimmer PD1 Dimmer Duty Threshold 1 Dimmer PD2 Dimmer Duty Threshold 2 SERIAL NUMBER Display the serial number MAC ADDRESS Display the number of MAC ADDRESS WIFI MAC ADDRESS Display the number of MAC ADDRESS HDCP1.4...
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(MEMO) When cannot read the white balance adjustment value, set the average value by the same procedure ad when replacing the LCD panel. (When replacing the LCD panel) After replacing the LCD panel, set the following average value in the 3/7 [WB ADJ]page. Aftersetting,changethe"ADJDATASTORE"toONandpresstheENTERkeyontheremotecontrolinordertosetaflagindicatingthe completed / incomplete WB adjustment which is heldinside.
■FACTORY SETTING After completing the factory setting, pull out the AC cord to complete the setting. (Caution) - Do not turn on the power after completing the factory setting. If the power is turned on, configure the factory settingagain. - Do not insert the USB memory when performing the Factory setting.
[3] SOFTWARE UPGRADE PROCEDURE 1. SOFTWARE VERSION UPGRADE When replacing the Main unit, make sure to update the latest software. The software can be upgraded by using a general-purpose USB memory device. The following are the procedures for upgrading the software. 2.
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Press ▲/▼ on the Manual Update screen to select "USB Update", and then press ENTER. Menu -> Information -> Software Update -> Manual Update ->Usb Update -> Start Press ENTER to start checking the data in the USB memory device. 1)During the data checking, "Checking"...
CHAPTER 4.TROUBLESHOOTING TABLE 1. HOWTORESPONDBYTROUBLESYMPTOM(INCASEOFNON-DEFECTIVEMODE) Defective symptom Action No power. Check if you pressed POWER on the remote controlunit. Is the AC corddisconnected? Has the power been turnedon? Unit cannot be operated. - External influences such as lightning, static electricity, may cause improper operation.
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Defective symptom Action The TV sometimes makes a - This is not a malfunction. This happens when the cabinet slightly crackingsound. expands and contractsaccording to change in temperature. This does not affect the Monitor's performance. Some Internet functions used on - The TV has only limited functions compared with regular PC browsers.
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2. HOW TO RESPOND BY TROUBLE SYMPTOM (IN CASE OF DEFECTIVEMODE) Description No Power (front LED failure to light up) or no startup (front LED failure to turn red to green) With [RF]signalinput No video onscreen(1) With <Video>signalinput No video onscreen(2) With <HDMI1/HDMI2>signalinput No video onscreen(3) No audio heard (1)
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2-3. With <Video>signalinput No video onscreen(2) 3 > No external input video onscreen < INPUT ↓ Yes Is INPUT 3 selected on the input select Select INPUT 3 on the input select menu screen? menu screen to pick up the right input ↓...
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2-5. No audio heard (1) No sound in the UHF/VHF reception. ↓ Yes Is the IF output from the tuner pin(6,7,8,9) Check TU1102 and its peripheral circuits. of TU1102 as specified ? ↓ Yes Is there IF input at pin K1 & K2 of IC3301 ? Check the circuit between TU1102 &...
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2-6. No audio heard (2) No external audio heard<INPUT3> Is there the L-ch audio signal input from pin (4) of input terminal J502 to pin (D4) ofIC3301? Is there the R-ch audio signal input from pin (1) of inputterminal J502 to pin (D5) of IC3301? ↓...
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2-7. No audio heard (3) No HDMI sound heard <HDMI1/HDMI2 > (*HDMI1 / HDMI 2 is digital audio ) ↓ Yes Refer to “ ( HDMI1 / HDMI2 )is no external Does the HDMI image appear on screen ? input video screen (HDMI)” ↓...
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Power unit operation check for 4T-B70CJ1U Are the power cord and harness in the Power cord and harness in the unit unit connected Line filter unit? L4 ,L6,L6 ,L7 or RT1,RT2 If F1 normal is out of order? Does DB1 output 155V when AC...
[2] POWER MANAGEMENT BLOCK DIAGRAM Power board block diagram as below. PCB is a single layer board. There are 2 outputs in the power board, one is +13V interface signals for M/B system, the other +35V is converter output for LCM. AC INPUT DC output Fly back...
[3] KEY UNIT PRINTED WIRING BOARD Keypad Board Top Keypad Board Bottom [4] IR UNIT PRINTED WIRING BOARD IR Board Top IR Board Bottom 4T-B70CJ1 TROUBLE SHOOTING 4 - 49...
CHAPTER 9.PARTS GUIDE [1]SPARE PARTS LIST SHARP NA 4T-B70CJ1U Item Description Quantity 1A52JD000-GB2-G-V0 BEZEL ASSY SHARP B2B 70 006-1003-1676 MIDDLE CHASSIS ASSY BTM L DE70 006-0003-1676 006-1003-1678 MIDDLE CHASSIS ASSY BTM R DE70 006-0003-1678 006-1003-1694 MIDDLE CHASSIS ASSY SIDE DE70...
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RUNTKB293WJZZ WiFi Module 1A314AN00-46C-G STAND BASE ASSY LEFT,CAR0X 1A314AP00-46C-G STAND BASE ASSY RIGHT,CAR0X 351062700-33T-G MB to Power harness 351128300-0H5-G 351128200-52F-G MB to T-CON unit harness (LVDS) 351128100-GWV-G 35105HU00-33T-G MB to Key unit harness(A) 35105HV00-33T-G MB to Key unit harness(B) 35111N000-GWV-G MB to LED/IR unit harness 351062A00-33T-G MB to Speaker box harness 351062H00-33T-G...