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Summary of Contents for Hisense C2 Ultra
- Page 1 HL7NULTRA（C2 Ultra） service manual Revision History Version Revise content Reviser Date First issued Aven Jewel 2024-08-27...
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Page 2: Table Of Contents
contents 1. Important Safety Information ........................4 1.1 Precautions ............................4 1.2 Warning ..............................4 1.2.1 Warning 1 ..........................4 1.2.2 Warning 2 ..........................5 1.2.3 Warning 3 ..........................5 1.2.4 Warning 4 ..........................5 1.3 Notes ..............................6 2. Disassembly and assembly ......................... 7 3. - Page 3 9.System self-test (if have) ..........................31 10. Software Upgrade Method ........................31 10.1 Smart Mini Projector in user mode..................31 10.2 Smart Mini Projector in factory mode ..................31 11. Cleaning and Maintenance ........................32...
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Page 4: Important Safety Information
SPECIFIED REPLACEMENT PARTS WHEN SERVICING.USE OF NON- AUTHORIZED PARTS WILL VOID THE MANUFACTURE'S WARRANTY The service procedures recommended by Hisense and described in this Service Guide are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. - Page 5 discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, be sure to use anti-static table mats and properly use a grounding wrist strap. Keep components and tools also at this same potential. IMPORTANT: Always disconnect the power cord from AC outlet before replacing parts or modules.
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Page 6: Notes
or dusty, wipe it with a dry cloth. Otherwise, this can lead to fire. (9) Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over 1.3 Notes The work procedures shown with the Note indication are important for ensuring... -
Page 7: Disassembly And Assembly
2. Disassembly and assembly 3. Internal structure and materials See the following doc for details... - Page 8 Contents First. Prepare tools before disassembling the machine Second. Remove the case Third. In-disassembling Fourthly. Optical engine removal Fifth. Sensor Sixth. Guide rail in the middle shell Seventh. Assembly precautions Appendix：wiring diagram...
- Page 9 First. Prepare tools before disassembling the machine Prepare screwdriver, small screwdriver, flat-head screwdriver, needle nose tweezers, oil seal screwdriver (with bent hook)
- Page 10 Second. Remove the case 1、Remove the four screws at the bottom of the middle shell Remove the rubber plugs subwoofer from these four screws with indicator needle-tipped tweezers 36VDC DC power input Turn the machine over and you can see that there are four screws in the bottom shell...
- Page 11 Second. Remove the case 2、 Remove front panel trim Remove the three screws with a screwdriver Use a flat-head screwdriver like that to reach into the front Remove these four screws panel trim and push it outward...
- Page 12 Second. Remove the case 3、Remove the back casing Insert the oil seal screwdriver (bent hook) into After the back shell is removed, the vertical hole of the rear shell for heat there are a total of 11 screws (2 dissipation, and pull the rear shell outward large screws +9 small screws)
- Page 13 Second. Remove the case 4、Remove the back shell ring After the back ring is removed Insert the back shell ring with an oil seal screwdriver (bent hook) and tilt outward to remove the back shell ring...
- Page 14 Second. Remove the case 5、 Slowly pull out about 1/3 of the main engine Pull out about 1/3 of the host Insert the finger along the red arrow, lift up, and take care to pull out the pay attention to the two bases of the red cable frame to lift, and then slowly pull outward Special attention:...
- Page 15 Second. Remove the case 6、pull out the line Pull out about 1/3 of the host and take 1 - main board power supply cable, 2 - button care to pull out the cable & indicator cable, 3 - base subwoofer cable, 4 - light sensing board cable...
- Page 16 Second. Remove the case 7、Pull the main engine out completely 1 - middle shell, 2 - front panel trim, 3 - back shell, 4 - back shell ring, 5 - main engine...
- Page 17 Third. In-disassembling 1、Remove motherboard screw Heat conductive patch Heat conductive patch 1 - DMD line, 2 - motor line, 3 - limit switch board line, 4 - fan 1 line, 5 - fan 2 lines, 6 - laser NTC line, 7 - vibration diffusion plate line, 8 - audio line, 9 - motherboard to laser driver plate power supply line, 10 - camera line, 11 - WiFi&...
- Page 18 Third. In-disassembling 2、Remove the screws from the mainboard support Remove the seven screws from the mainboard support You can lift the mainboard support by removing the seven screws from the mainboard support...
- Page 19 Third. In-disassembling 3、Lift motherboard bracket Laser drive board 主板给激光器驱动板的控制信号线 2 主板给激光器驱动板供电线 激光器线 optical engine FAN1 FAN2 1 - Laser cable, 2 - Power supply cable of the main board to the laser driver board, 3 - control signal cable of the main board to the laser driver board...
- Page 20 Fourthly. Optical engine removal 1、Remove optical engine screws Remove the five screws. The fan does not have any screws. Manually remove the fan...
- Page 21 Fourthly. Optical engine removal 2、Disassemble DMD and DMD board First, remove the 4 screws of the laser heat sink, and then remove the laser heat sink...
- Page 22 Fourthly. Optical engine removal 2、Disassemble DMD and DMD board First, remove the 4 inter axis screws of the DMD heat sink, cancel the DMD heat sink, and then remove the 4 inter axis screws on the DMD board to remove the DMD board...
- Page 23 Fifth. Sensor Receiver Emitter WiFi&蓝牙模块 1- Camera, 2-3D TOF...
- Page 24 Fifth. Sensor 3D TOF main control chip and its heat dissipation bracket coated with thermal conductive silicone grease...
- Page 25 Sixth. Guide rail in the middle shell The guide rail of the middle shell...
- Page 26 Seventh. Assembly precautions Fix it with Fix the wire Fixed line, adhesive tape away from to the the upper casing with and lower top strand guide rails adhesive tape in advance, which will facilitate assembly Lower guide rail When inserting the host, be sure to press this line in this...
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Page 27: Wiring Diagram
4. Wiring diagram 3D TOF sensor Diffusion color Limit switch Mic&light Key&Indicator Motor1 Motor2 board wheel board sensor board board Power adapter 36VDC transfer 36VDC board XP20 XP30 XP12 XP21 XP18 XP23 XP25 XP33 For DLP For Update ATtiny1614 For DLP log control SPDIF XS06... - Page 28 Note: It is important to remember that the hand fingers can’t shield the RC emitter diode.
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Page 29: Factory Osd Menu
(5) Call up a “M” on the left-top of Smart Mini Projector, then press the menu button again, the Factory menu appear then (6) DC power off and DC power on the Smart Mini Projector by Remote contrl, which can exit Factory OSD. 5.2 Factory OSD Menu Factory OSD menu list: if you want to learn more about Smart Mini Projector, you’d better read it but would not adjust the value please. -
Page 30: Options
5.2.1 Options （1） To Fac： When you select M, you can directly press the M key on the factory remote to enter factory mode （2） Uart Switch：If you want to use the rear terminal serial port function, enable this function 5.2.2 Laser （1）... -
Page 31: Soft Version
5.2.3 Soft Version You can see the software information, For example, TV software version, FRC Version, MCU version, DLP version and so on. Note: The Factory menu may be have difference for diverse market and customer, above Factory menu only for reference. The factory menu data varies according to different sources. -
Page 32: Error Code
6. Error code 6.1 Warning indicator light Failure Light Fault determination principle (1) If there is a shield in the air outlet / inlet (the distance between the left and right sides of the main engine is 20CM) or the ambient temperature is too high (not higher than 35°... -
Page 33: Troubleshooting
7. Troubleshooting 7.1 Main board... -
Page 34: Tv Won't Power On
7.1.1 TV won’t Power On TV won’t power on Make Sure Power Is LED flick? Check source is live Power 12V Replace No Led light Check Power Adapter White Power Adapter Check/replace IR Only board or Keypad one works Try Power on by RC and Button Check Laser... -
Page 35: Troubleshooting For Audio
7.1.2 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker Replace speaker set Check speaker set Replace main board Power Supply Board 7.1.3 Troubleshooting for TV/HDMI /USB input... -
Page 36: Troubleshooting For Video Input
No picture on the screen Check Signal Source Make sure signal source is available Reconnect Check connect Replace cable Check cable Replace main board 7.1.4 Troubleshooting for Video input... - Page 37 No picture on the screen Check Source work or not Check Signal Source Reconnect Check connect Replace Cable/Wires Check Cable/ Wires Replace main board...
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Page 38: Power Adapter
7.2 Power Adapter 7.3 cleaning requirements Electrostatic sensitive optical parts 1.DMD Category Wear 2. Vibrating diffuser 3. Laser Environment Normal light (60W) Normal light (60W) Wear finger covers, gloves, and antistatic Wear finger covers, gloves, Action wristbands airsoft and antistatic wristbands Handling: Pick up the edge of the lens;... - Page 39 1. Light pollution (dust, fingerprints): use a dust- free cloth to dip the cleaning solvent, gently wipe the surface, pay attention to avoid wiping hard, and wipe the surface quickly, which is conducive to liquid evaporation and does not leave streaks. If this step does not remove the dirt, continue to step 2;...
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Page 40: Warning Prompts And Troubleshooting
Airsoft purging: the distance between the parts and the airsoft should be kept about 15cm, about Dirty/cracked and need to 5S, and the purge time can be appropriately Note be replaced immediately increased for stubborn dirt; Alcohol wiping: If the surface is not dirty, no wipe is required 7.4 Warning prompts and troubleshooting 7.4.1 Thermal protection and Dust removal mode... - Page 41 Power on/Start After 60 seconds of timing, read Tm1 Tm2、Tm3、Tm4、 Sf1、Sf2、Sf3、t、Ta1、Ta2， Ten pieces of data Display prompt 2 and t ：Every execute dust removal mode(About 180 500 hours seconds) Do you need a Display current reduction a℃≤Ta1＜b℃ prompt 4 reminder? (No) Ta1≥46℃ or Ta2≥46℃ After 60 (Tm1≥57℃ or (Tm1≥57℃ or seconds of Tm2≥57℃ or timing, read Tm2≥57℃ or Tm3≥57℃ Display Tm1 Tm2、Tm3、 or Tm4≥57℃) and Tm3≥57℃ or prompt Tm4、Sf1、Sf2、 (Sf1≥3300 or Sf2≥3300 Tm4≥57℃) and ...
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Page 42: Catch Log Method
7.5 Catch LOG method 7.5.1 Catch TV log method Connect the tool to the TV and computer. There are two connect tools, you can choose different serial cables according to the actual interface of the machine. One is The other one is... - Page 43 (2) Install the driver PL2303_Prolific_DriverInstaller_v1160.exe After the installing, restart the computer. (3) Check the computer COM and remember it. (Like my computer, it is COM4); (4) In this file， click “SecureCRT/SecureCRTPortable/App/SecureCRT/SecureCRT.exe” then click the Quick Connect. (5) Set up as the picture. Click-Connect...
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Page 44: Catch Display(Dlp) Log Method
(6) Click File，choice Log Session，set up the Log’s name. (7) Operate the problem and save the log. Provide the log to HQ. We can well know the issue easily and exactly. 7.5.2 Catch display(DLP) log method 1、Tools preparation （1）Computer on which the SecureCRT software is installed... -
Page 45: Micro Usb Cable
（2）DLP print board （3）micro USB cable 2、Device connection （1）You need to connect one port of the printing board to the display board, the other port to the USB cable, and the other end of the USB cable to the computer;... - Page 46 （2）Check the computer COM and remember it. (Like my computer, it is COM4); （3）then click the Quick Connect. （4）Set up as the picture. Click-Connect, after the connection is successful, the text box will blink the cursor...
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Page 47: Remote Control
（5）Click File，select Log Session，set up the Log’s name. (6) Turn on the Smart Mini Projector, the DLP log is automatically refreshed. 7.5.3 Remote control We can also help you grab the log, but you need to install the following software Install teamview13.exe After the installing, restart the computer. -
Page 48: Special Operating Procedure
8. Special operating procedure 8.1 Eye Protection- Open by default, user can close a. Function: When a person approaches, a prompt box will pop up (countdown 5S). If the human is far away within 5 seconds, the prompt box will disappear and the light machine will not be turned off, otherwise the light machine will be turned off, and the light machine will be turned on automatically when the human body is far away;... -
Page 49: Power Indicator
8.2 Power Indicator Function: When turn on the Smart Mini Projector, the White Power Indicator flashes; When the Smart Mini Projector is in factory mode, the White Power Indicator flashes; When the Smart Mini Projector is running normally, the White Power Indicator is off;... -
Page 50: Temperature Reminder
c. Does the subtitle disappear during the dust removal process → not disappear, keeps prompting d. What happens when the dust removal ends → the subtitle prompt disappears directly after the dust removal ends NOTE：For the detailed logic of the dust removal mode, see 7. 5. 1 8.4 Temperature reminder a. -
Page 51: Software Upgrade Method
foreign object detection function. (1) Follow the steps in 5.1 to enter Factory mode “M”. (2) Press MEMU button on the Factory RC then call up “MEMU” option. (3) Select the LASER option under the Factory menu, turn on the foreign object detect function. -
Page 52: Cleaning And Maintenance
Firgure-2: Checking software Firgure-3: installing Software. 11. Cleaning and Maintenance (1) Keep dry, avoid long periods of inactivity. (2) When using the HDMI interface to connect or disconnect multimedia devices, be sure to do it after "turn off the SMART MINI PROJECTOR". (3) Regular cleaning Host: Use air blower to clean the dust, not touch or wipe with your hands. - Page 53 fingerprints, etc. on the screen, you can try to wipe it with clean water with a dust-free cloth first, and if it can't be wiped off, you can try to wipe it gently with a dust-free cloth dipped in alcohol.
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