Before writing off a damaged Toshiba PLU-704BT (11L4), compare its symptoms against the failure modes below. Many lens, cable and connector faults on this probe class are economically repairable.
| Manufacturer | Toshiba |
|---|---|
| Model | PLU-704BT (11L4) |
| Probe type | Phased Array |
| Compatible systems | Canon Xario 100 (TUS-X100), Canon Xario 100G (TUS-X100G), Canon Xario 100S (TUS-X100S), Canon Xario 200G (CUS-X200G) |
In service the PLU-704BT (11L4) is most often found on Canon Xario 100 (TUS-X100), Canon Xario 100G (TUS-X100G), Canon Xario 100S (TUS-X100S), Canon Xario 200G (CUS-X200G). Console-side settings and module revisions still vary, so the exact system build is part of any assessment.
Phased arrays like the PLU-704BT (11L4) pack tightly spaced elements into a small footprint – edge-element failures distort the sector image early, and cardiac duty cycles accelerate cable fatigue.
Common failure modes for the PLU-704BT (11L4)
Match what you are seeing against the table below. The right-hand column reflects how faults of this kind typically assess – the actual verdict always depends on the individual probe.
| What you see | Likely cause | Typically repairable? |
|---|---|---|
| Vertical shadowing or missing scan lines on screen | Failed transducer elements or a broken conductor in the cable | Case by case |
| Intermittent signal that changes as the cable moves | Broken internal conductors in the cable | Case by case |
| Noticeably weaker penetration than the paired probe | Reduced acoustic output from element ageing or a delaminating lens | Case by case |
| Latch or locking hardware damaged on the connector shell | Mechanical damage to the connector shell | Usually repairable |
| Strain relief pulling away from the cable or gone rigid | Flex fatigue where the cable meets the probe or connector | Usually repairable |
| Cracked or dented housing | Impact damage; housing can usually be replaced or resealed | Usually repairable |
| Visible nicks, grooves or staining on the lens surface | Wear from use, or chemical attack from disinfectants | Usually repairable |
| Sector image narrows or loses the apex | Element failure concentrated at the array edge | Case by case |
Check these before you ship the probe
- Flex the cable gently along its length while imaging – intermittent dropout points to broken conductors.
- Compare penetration and uniformity against a known-good probe on the same preset.
- Photograph the complete manufacturer label – the exact revision matters for parts compatibility.
- Inspect the lens face under good light for cuts, bubbles, lifting edges or discoloration.
- Examine the connector for bent or corroded pins, cracks and a working locking mechanism.
Repair, exchange or replace — which applies to your PLU-704BT (11L4)
Repair suits the PLU-704BT (11L4) when damage is mechanical or confined – lens membrane, strain relief, cable jacket, connector hardware. Once element dropout spreads across large sections of the array, repair cost climbs toward replacement value and stops making sense. If uptime is critical, ask about exchange options while your probe is assessed.
What we need to quote your PLU-704BT (11L4) repair
- A clear photo of the complete manufacturer and model label on the probe
- A description of the fault: what you see on screen and when it started
- The ultrasound system (console) the probe is used with
- Screenshots or photos of the image problem, if the fault is visual
- Photos of any physical damage – lens, housing, cable or connector
Images shown are representative and are not photographs of an individual unit. Nothing on this page claims OEM authorization or guarantees universal fit. Whether a specific PLU-704BT (11L4) can be repaired, and on what terms, is confirmed in writing once the probe has been assessed.
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