[SOLVED] I'm looking for SALORA Njoy-X E6 repair guide or schematics (free) - Phones & Tablets Forum

Hi,

I'm hoping you can help me out with my SALORA Njoy-X E6. It's started acting up, and I'm looking for a detailed service manual with boardviews and schematics to properly diagnose and repair it. I need to take precise voltage measurements around the board, so having the right documentation would be very helpful.

Thanks in advance for your help.

Selected Answer

I actually found that service manual on a tech Discord server a while back. A really helpful member there shared a direct link to their blog and I've saved it. I'm happy to pass it along here. Hopefully, these boardviews and schematics help you fix your phone, just like they got me through my repair. Looks like we have the same model.

@Rita

Absolute legend! That's exactly the info I was searching for. This is going to save me so much time probing in the dark. Seriously, thanks a ton for sharing the link!

Hi there,

I also have the SALORA Njoy-X E6 and just downloaded the manual you shared. I'm pretty new to board-level phone repair, and this is a bit intimidating with all the tiny test points and the schematics. Could you point me in the right direction on how to start troubleshooting this ? Any advice on the first few things I should check would be a massive help.

Thanks so much for your time

General advices: start by checking the voltage at the battery connector on the board. With a known-good battery connected, you should see a steady voltage between 3.7V and 4.2V. After that, a great next step is to check the main power management IC (PMIC) for shorts. Using your multimeter in diode mode, check for shorts on the large input capacitors surrounding the PMIC.

Here are a few useful references for troubleshooting your device:
https://www.ifixit.com/Guide/Canon+PowerShot+SD850+IS+Camera+Lens+Replacement/4096
Take a look at comment #186
Also, this : https://www.ifixit.com/Guide/Porter-Cable+PC60TAG+Pinion+Gear+Replacement/62477.
You can also check this video starting from minute 5:

The SALORA Njoy-X E6 service manual and boardviews from the link above were exactly what I've been searching for. I couldn't find a complete, free copy anywhere else. Seriously, thank you for sharing this you're a lifesaver!

Hi everyone, I'm working on a SALORA Njoy-X E6 with a no power issue and need some guidance with my measurements.
I'm detecting 3.3V on the VREG_MAIN line (pin 1 of the PMIC), which looks good, but I'm getting 0V on the VDD_CPU line (pin 8) where the schematics indicate I should see about 0.9V.
Since this is a core voltage for the application processor, could this missing rail be why the device shows no signs of life?
What's the best procedure to diagnose this further? Should I check for shorts on the CPU rail first, or look at the PMIC's enable signals?
I've already verified the main 3.3V and 1.8V power rails are present and stable.

My SALORA Njoy-X E6 was working perfectly until yesterday when it suddenly went completely dead. Now it won't respond to the power button, doesn't vibrate, and shows no signs of life even when connected to a charger. I'm worried there might be a serious issue.

I have a decent multimeter, a basic soldering iron, and a healthy dose of patience. While I've successfully replaced iPhone batteries and charging ports, this will be my first attempt at actual diagnosis. The sheer density of BGA chips and microscopic components is honestly a bit overwhelming.

I'm particularly curious about the alcohol trick I've seen online where you apply isopropyl to the board and look for evaporation hotspots to locate shorts. Is this actually a reliable method for beginners, or are there better approaches I should try first with just a multimeter?

I learned this lesson the hard way last month with mine, it was declared "dead" by two different shops. The phone showed absolutely no signs of life - no charging indicator, no vibration, nothing. Before diving into complex board work, I decided to try one more basic test: wireless charging.

To my complete surprise, it actually heated up on the charging pad! This single discovery completely changed my diagnostic path. It turned out the issue wasn't with the main board or processor, but with the notoriously fragile USB-C port that had failed completely. A $15 replacement part and some careful soldering brought it back to life.

The moral? Always exhaust every external testing method before opening the device. Test wireless charging if available, try different charging methods, and don't assume the worst case scenario. Sometimes the most "dead" devices have the simplest solutions hiding in plain sight.

I suspect my issue might be related to that cheap, third-party fast charger I used at the airport last week... Now the device gets extremely hot during charging, the screen flickers at low brightness, and sometimes it randomly shuts down at 30% battery. Could this have damaged the power management IC or battery calibration?

If your SALORA Njoy-X E6 starts acting up, random reboots, fast battery drain, or connectivity issues, there are several diagnostic steps you can take before assuming the worst:

• Check your charging habits: Using poor-quality chargers or wireless pads can gradually damage your battery and charging circuit, leading to unpredictable behavior.
• Inspect the physical components: A slightly damaged charging port, worn battery, or even accumulated pocket lint can cause issues that seem like major hardware failures.
• Monitor temperature patterns: If your phone gets unusually hot during specific tasks (like camera use or gaming), it could point to a failing component rather than a software issue.
• Use diagnostic tools wisely: Ampere for battery health, phone diagnostic codes (*#0*# on many models), and a thermal camera can reveal problems without opening the device.
• Know when to stop: If you see liquid damage indicators tripped or smell burnt electronics, it's time to consult a professional before causing irreversible damage.

Also visit this link it may help : https://www.ifixit.com/Answers/View/838336/What+is+this+part+called

Here's what I discovered on forums and technical databases:

Document Account Credentials: Keep a secure record of your Google, Apple ID, and other critical account passwords. Android is built on a Linux kernel, and its various functionalities are managed by a multitude of processes running simultaneously. Surrounding components (tiny resistors, capacitors, and other ICs) are highly susceptible to heat damage from the hot air. In conclusion, an IMEI Null or Unknown Baseband issue on an Android smartphone is a critical problem that renders the device unusable for cellular communication. The most critical step in hardware diagnosis is testing with a known-good replacement display , this immediately tells you if the problem is the screen itself or something deeper on the motherboard. Flex Cable Integration: If the motor is on a flex, is the flex itself properly adhered or secured to the frame? Is the flex torn or creased where it mounts? Reset Network Settings: This option (found in system settings, usually under "System" or "General Management") resets all Wi-Fi, Bluetooth, and cellular network settings. Factory Reset (Last Resort for Software): If all software troubleshooting fails, a factory reset (after backing up data) can rule out deep-seated software corruption. After the electrical connections are restored, the next step is component reattachment. This guide will demystify battery calibration, explain why it's important, and provide a clear, step-by-step process to ensure your new battery performs at its best. Carefully Open the Phone: Refer to Topic 1 ("How to safely open a smartphone housing without causing damage") for general opening instructions. They come in various pin counts and stacking heights (mezzanine connectors). While not directly a "software lock" in the same vein as FRP or iCloud, they can manifest as activation errors ("SIM not supported," "Network Locked") if a repaired device is used with a SIM from a different carrier. Inspecting smartphone vibration motor alignment is a specialized diagnostic task, often performed when the phone exhibits an unusual or weak vibration pattern, or produces an abnormal buzzing or rattling sound during vibration. For many modern smartphones, this involves carefully heating the edges of the display to soften the adhesive that secures it to the frame. Low-Temperature Solder Paste or Wire: Available in various forms, paste is often preferred for mixing with existing solder on BGA components. Screws: Remove all screws holding the motherboard, daughterboards, cameras, speakers, vibrator motor, and other modules to the old housing. Current Limit: Set the current limit to a safe, moderate value (e.g., 1A to 2A). Cold joints, shorts, or lifted pads can prevent it from communicating correctly. Flickering Display: The screen image intermittently appears and disappears, or rapidly changes brightness. Any remaining residue, streaks, or lint will be visible once the new glass is applied and will ruin the optical clarity. Magnetic Mat or Compartmentalized Tray: Essential for organizing tiny screws and parts, especially since different screws often have different lengths and locations. By choosing high-quality parts, thoroughly cleaning all mating surfaces, carefully applying the adhesive, and applying sustained pressure during curing, you can significantly enhance your device's protection against environmental elements, extending its lifespan and preserving its functionality. This intricate process requires specialized machinery, a meticulous environment, and significant skill. How: Place a small piece of a rubber band (or a finger from a latex glove) over the stripped screw head. Ensure you have good cellular reception whenever possible, as a struggling modem is a major power drain. It dictates the path or position of a working tool relative to the workpiece. Take multiple shots from different angles (front, back, top, bottom) to capture the overall condition. Repairing a bent frame is a delicate and challenging procedure that requires patience, precision, and the right tools. Poorly performed repairs are a common cause of compromised water resistance.

@Alonso, Not sure what you're trying to say but ok :)