HP c3700 hp Visualize b2000 UNIX workstation service handbook (a5983-90039) - Page 113

Field Replaceable Units FRU Removal and Replacement Battery The battery in the B2000 workstation is contained within the real time clock module (Part Number 1826-4269) on the system board. The component reference designation for the real time clock module is U30 on the system board. Perform the following steps to remove and replace the battery: 1. Open the left side panel of the workstation as shown in the section "Opening the Left Side Panel." 2. Locate the real time clock module, which has the component reference designation of U30 on the system board. As shown in Figure 4-38, the real time clock module is to the right of the system fan, just under the air flow guide. Figure 4-38. Location of the Real Time Clock Module Real Time Clock Module 3. Carefully remove the defective real time clock module. Note the polarity dot which is silk-screened on the component side of the circuit board. CAUTION Danger of explosion if the battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer's instructions CAUTION Il y a danger d´explosion s´il y a remplacement incorrect de la batterie. Remplacer uniquement acvec une batterie du même type ou d´un type recommandé par le constructeur. Mettre au rébut les batteries usagées conformément aux instructions du fabricant. 4. Insert the new real time clock module (Part Number 1826-4269) on the system board with the correct polarity to ensure proper functionality. 5. Close the left side panel of the workstation as shown in the section "Closing the Left Side Panel." Chapter 4 113