[SOLVED] I'm looking for Huawei Enjoy 60 Pro repair guide or schematics (free) - Phones & Tablets Forum

Hi,

I'm hoping you can help me out with my Huawei Enjoy 60 Pro. 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.

@Agustin

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 Huawei Enjoy 60 Pro 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/Wiki/Alienware_15_R2_Troubleshooting
Take a look at comment #378
Also, this : https://www.ifixit.com/Answers/View/688368/The+videos+I+send+from+my+phone+to+the+laptop+is+not+working.
You can also check this video starting from minute 1:

The Huawei Enjoy 60 Pro 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 Huawei Enjoy 60 Pro 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 Huawei Enjoy 60 Pro 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 Huawei Enjoy 60 Pro 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/316965/Black+screen+no+starter+screen

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

This minimizes thermal shock and reduces the localized heat needed from the hot air station. Over time, their chemical capacity diminishes, leading to shorter battery life and sometimes erratic percentage readings. This reduces the thermal shock to the board and components and significantly lowers the required top-side hot air temperature and exposure time, making the process safer. Risk: Very tight space, finding tiny nuts that fit the screw thread, securing the nut in place. Soldering Iron (for pins): For extremely precise work, after securing the main anchor points with hot air or a soldering iron, individual pins can be touched up or fully soldered with a very fine-tipped soldering iron and thin solder wire under a microscope. A successful and safe removal process relies heavily on having the right set of professional tools: Displays/Back Glass: Ensure the length, width, and thickness of a new display or back glass match the original. Replacement Gaskets/O-rings (Optional): If you can source them for SIM trays, buttons, or ports for your specific model. Toggle Wi-Fi On/Off: Try repeatedly activating and deactivating Wi-Fi. Diagnostic Modes: Some phones offer internal diagnostic modes (e.g., field test mode on iPhones, or `#0#` codes on Android) that can display detailed signal information (dBm, network type). Caution: Ensure solvents do not seep into internal components, especially if the phone is not fully disassembled. Clear Your Workspace: Ensure you have a clean, well-lit, and uncluttered area to work. Remove SIM/SD Card Tray: This is a crucial first step to avoid damage during opening. Repairing screen retention adhesive can restore your phone's structural integrity and aesthetics, extending its life and protecting its sensitive internal components from environmental hazards. Testing: Reassemble the phone and perform comprehensive tests: check IMEI, modem firmware, and cellular signal functionality. Charging Port: Phone doesn't charge with known good cables/chargers, or only charges at a specific angle. Inspect New Display: Before beginning, thoroughly inspect the new OLED display for any visible defects. Overheating: Sustained high temperatures can cause hardware to malfunction, leading to system instability and panics. While primarily for professionals, specialized tools like USB power meters or protocol analyzers exist to diagnose granular negotiation failures, but these are not practical for average users. After cleaning a grille, replacing a speaker, or reconnecting a cable, partially reassemble the phone enough to test the speakerphone. A very gentle "nudge test" (if safe for the design) can confirm reflow. Rule out a bad battery: While less likely to affect only wireless charging, a severely degraded battery can sometimes cause charging issues. This is typically a repair best left to professionals, as it involves opening the device and handling delicate components. Preparation of New Gasket: Carefully take your new pre-cut adhesive gasket. Apply hot air over the newly placed PMIC, using the same temperature and airflow settings as removal. It forces the device to power off and restart cleanly, sometimes resolving temporary software glitches. Locate the Fingerprint Sensor Flex Cable: The flex cable typically runs from the side of the phone, under the logic board, or along the frame, connecting to a ZIF (Zero Insertion Force) or snap-on connector on the main board. However, it's a rewarding repair that can restore full audio functionality to a beloved device, saving the user the cost of a new phone.## 7. Internal component overheating can also be a symptom of an underlying fault. Diagnosing smartphone barometer sensor faults requires a systematic approach, beginning with software troubleshooting and progressing to physical inspection and detailed sensor analysis.

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