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Xbox 360 S Corona Disc: Console Not Starting, Only Click Sound Heard - Possible Fixes

Hubert_automatyk 8025 14
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  • #1 16823374
    Hubert_automatyk
    Level 9  
    Posts: 23
    Rate: 10
    Hello, I have an Xbox 360 S Corona disc, when you try to start, you only hear a "click". I initially checked the power supply, (substitution for another console) checked the touch buttons and put another PCB to which they are connected. The console still behaves the same. Voltages 3.3V 5V and 1.2V on the L5A1 L5B1 and L5B2 coils when idle. Do you have any suggestions for items that I can check / replace? I am not afraid of soldering even BGA and I am open to suggestions.
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  • #2 16823515
    byku022
    Level 13  
    Posts: 91
    Help: 6
    Rate: 20
    You didn't overheat your console sometimes, there was something like RLOD and YLOD in ps3
  • #3 16823973
    Hubert_automatyk
    Level 9  
    Posts: 23
    Rate: 10
    Rather, this problem is not related to the graphics, if you suggest it, the Console does not power up the CPU at all. I'm trying to figure out why this is happening.
  • #4 16824001
    DejoDejo
    Level 21  
    Posts: 404
    Help: 35
    Rate: 75
    Do you know the circumstances of the defect? Maybe the memory is damaged?
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  • #5 16824042
    Hubert_automatyk
    Level 9  
    Posts: 23
    Rate: 10
    The fault occurred spontaneously. One day it worked, the next it did not.
  • #6 16824049
    DejoDejo
    Level 21  
    Posts: 404
    Help: 35
    Rate: 75
    So standard :D Are you getting any error code? Unplug all devices, change the wiring. Did you change anything during this time? e.g. TV? Any modifications?
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  • #7 16824139
    robin11
    Level 22  
    Posts: 417
    Help: 57
    Rate: 159
    Hello. See if there is 5v- marked in the photo, if there is no or short circuit.
    greetings
    Xbox 360 S Corona Disc: Console Not Starting, Only Click Sound Heard - Possible Fixes
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  • #8 16837303
    Hubert_automatyk
    Level 9  
    Posts: 23
    Rate: 10
    Robin11 there is no tension in the place you marked. For a friend, post above. The console does not show any error code, as I mentioned earlier, apart from a short sound, nothing turns on (I mean that there is no 12V voltage on the board).

    Edit: The short is also not on this pin.
  • #9 16837452
    robin11
    Level 22  
    Posts: 417
    Help: 57
    Rate: 159
    Hello.There should be 5v. Possible damage to the sternum. What is this corona, or with 4GB memory

    greetings
  • #11 16839392
    robin11
    Level 22  
    Posts: 417
    Help: 57
    Rate: 159
    I'm not 100% sure. Need to replace. Does it get a little warm.

    greetings
  • #12 16839938
    Hubert_automatyk
    Level 9  
    Posts: 23
    Rate: 10
    It doesn't get hot. Tomorrow, when I manage to get to the BGA machine, I will replace it and let you know if it helped. Out of curiosity, I will ask what is this system for which I believed the presence of 5V? There are Chinese stamps on it so I couldn't use the datasheet.

    Edit: after replacing the sternum I still have the same symptom.
  • #13 16841468
    robin11
    Level 22  
    Posts: 417
    Help: 57
    Rate: 159
    I don't know what the system is, but it should be 5V for stand-by. It also powers usb ports.

    greetings
  • #14 16845502
    Spox_2
    Level 18  
    Posts: 204
    Help: 25
    Rate: 84
    Change the RF panel and let me know if it helped? :)

    If not, then the problem is most likely on the ridge.
    I can do it too, but it works from hell (you need to convert from 4gb to 16mb, rgh, build the kernel of the etc.
  • #15 16846620
    Hubert_automatyk
    Level 9  
    Posts: 23
    Rate: 10
    I replaced the RF at the very beginning, it did not help, unfortunately I have no way to bite the NAND memory. I don't have a programmer: /
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Topic summary

✨ The discussion revolves around an Xbox 360 S Corona disc console that fails to start, producing only a clicking sound. The user has already checked the power supply, touch buttons, and replaced the PCB connections, but the issue persists. Various suggestions are made, including checking for overheating, potential memory damage, and ensuring proper voltage levels (5V, 12V) at specific points on the board. The user confirms that there are no error codes and that the console does not power up the CPU. Recommendations include replacing the RF panel and checking for shorts or damage in the power supply circuitry. The user expresses willingness to perform soldering and BGA replacements but lacks a NAND programmer for further diagnostics.
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FAQ

TL;DR: Symptom: 0 error codes; expert note: "there is no 12V voltage on the board." First checks: standby rails and 5V line. [Elektroda, Hubert_automatyk, post #16837303] Why it matters: This FAQ helps Xbox 360 S Corona owners diagnose a click–no-boot issue without guesswork.

Quick Facts

What does one click and no start on an Xbox 360 S Corona usually indicate?

A brief click with no lights or error codes points to a power sequencing fault. In the reported case, the 12 V rail never came up, so the system never left standby. That directs diagnosis to the 5 V standby path, enable signals, and protection circuitry rather than GPU/CPU heat issues. "There is no 12V voltage on the board" accurately describes this state. [Elektroda, Hubert_automatyk, post #16837303]

Which standby voltages should I check first on Corona motherboards?

Measure the standby rails at the labeled inductors: L5A1, L5B1, and L5B2. Typical idle readings are 3.3 V, 5 V, and 1.2 V. Confirm these before chasing BGA faults or NAND problems. Stable readings here narrow the fault to the 12 V bring-up or control logic. Use a grounded probe and avoid slipping on fine-pitch components. [Elektroda, Hubert_automatyk, post #16823374]

Does missing 5 V standby stop the Xbox from powering on?

Yes. The 5 V standby rail is required for the power-on sequence and also feeds the USB ports. If this rail is absent, the front touch panel and RF module may still click, but main power won’t engage. As one expert put it, "There should be 5V for stand-by. It also powers usb ports." Verify it at the designated 5 V test point. [Elektroda, robin11, post #16841468]

Could this be a GPU/CPU overheat issue like RROD/YLOD?

Unlikely when the CPU never receives power. In the discussed case, the owner confirmed the console does not power the CPU at all. That points away from thermal BGA failures and toward standby or enable-rail problems. Check the 5 V line, then 12 V presence, before considering reballing. [Elektroda, Hubert_automatyk, post #16823973]

Is swapping the RF panel a valid diagnostic step?

Yes, but it may not resolve a power-sequencing fault. Here, the RF module was replaced early and the symptom persisted. That outcome suggests the issue lies on the motherboard’s standby or main-power sections. Always reseat the ribbon and front panel cables when testing. [Elektroda, Hubert_automatyk, post #16846620]

How do I quickly triage a Corona that only clicks?

  1. Check 5 V standby at the suggested test point; confirm no short.
  2. If 5 VSB is present, verify 12 V appears when pressing power.
  3. If 12 V never comes up, inspect enable/protect lines and connectors. These steps isolate whether the failure is in standby, main conversion, or control logic. [Elektroda, robin11, post #16824139]

What Corona hardware variant was discussed, and why does it matter?

The unit was identified as Corona v3 without the 4 GB NAND. Variant matters because service approaches differ for storage-related faults and for RGH workflows. For pure power-sequence failures, focus on rails and control chips before NAND access. [Elektroda, Hubert_automatyk, post #16839142]

Will replacing the southbridge/bridge chip fix the click–no-boot issue?

Not guaranteed. In the case discussed, replacing the bridge (“sternum”) did not change the symptom. That edge case suggests the fault lies elsewhere in standby generation or 12 V enable. Replacing major BGA parts without rail verification wastes time and money. [Elektroda, Hubert_automatyk, post #16839938]

Are error codes expected with this failure mode?

No. The console can emit a short click without showing any error code if main power never comes up. Lack of 12 V prevents the system from reaching self-test, so no LEDs or on-screen errors appear. Record the behavior to guide rail checks. [Elektroda, Hubert_automatyk, post #16837303]

Could corrupted NAND or memory cause the console to only click?

It’s possible for storage issues to block boot, but the thread’s symptom points to power. One contributor noted storage workarounds like converting 4 GB to 16 MB and RGH when tackling memory-related faults. For click–no-boot with no 12 V, prioritize power rails first. [Elektroda, Spox_2, post #16845502]

What tools are useful if board-level repair is needed?

Use a quality multimeter, bench supply with current limit, hot air, and, if replacing large ICs, a BGA rework station. The original poster planned BGA work after measurements. Still, confirm rails and shorts before any reflow or replacement. Precision probing reduces collateral damage. [Elektroda, Hubert_automatyk, post #16839938]

What statistic helps benchmark early diagnostics here?

Expect three standby-related readings at idle: approximately 3.3 V, 5 V, and 1.2 V at coils L5A1, L5B1, and L5B2. If all three are present, shift focus to the 12 V enable and protection stages. This triage can cut debugging time significantly. [Elektroda, Hubert_automatyk, post #16823374]

Why confirm 5 V at the specific motherboard point shown?

That point reflects the board’s 5 V standby availability and common failure path. Absence here correlates with dead USB power and failed start attempts. Checking it early rules in or out a primary suspect quickly. A community member highlighted this exact spot for diagnosis. [Elektroda, robin11, post #16824139]

What changed between working and failed states in the reported case?

Nothing externally; the fault appeared spontaneously. That history supports a component-level failure in standby or protection rather than user wiring or TV changes. Such context helps de-prioritize peripherals and focus on on-board rails. [Elektroda, Hubert_automatyk, post #16824042]

Should I chase display or cabling issues first?

Not when the console never reaches main power. With no 12 V and no error indicators, display and HDMI changes won’t affect startup. Verify 5 V standby and the 12 V bring-up path before touching AV gear. [Elektroda, DejoDejo, post #16824049]
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