SonoSite C1.9 PLUS, Руководство по обслуживанию

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58 C1.9 PLUS Ultrasound System Service Manual
7.4.2 Required Tools
• A #1 Phillips screwdriver, 7.0 in. (17.8 cm / 177.8 mm)
• A torque driver, 3.6 in./lb (0.4 newton meter)
• An anti-static mat
• A wrist grounding strap
CAUTION :
`
Always use correct ESD procedures. ESD damage is cumulative and may not be
noticeable at first. Initial ESD symptoms may be slightly degraded performance
or image quality.
7.4.3 Removing the Main PCBA Subassembly
1. Press the battery release on the lower right side of the system to remove the
system battery.
2. Place the system face down.
3. Remove the eight screws securing the bottom housing to the top housing using a
#1 Phillips screwdriver (Figure 7.18).
Figure 7.18 Removing the Bottom Housing from the Top Housing
4. Carefully separate the bottom housing from the top housing; do not damage the
100-pin flex circuit that connects the two.
5. Disconnect the 100-pin flex circuit from the Main PCBA Subassembly.
6. Remove the bottom housing that holds the Main PCBA Subassembly.
Screws (8)