Texas Instruments Extensa 60x Series Maintenance Manual page 108

and 6.5.11 respectively.
2. Separate the inside frame assembly from the base assembly.
3. Refer to Figure 6-21 and remove the following connectors:
4.
Refer to Paragraph 6.5.13 and remove the Power Supply Board Assembly.
5. Remove the four screws that secure the motherboard to the inside assembly
frame. Pull up on the Motherboard Assembly to release it from the inside
assembly frame (refer to Figure 6-22).
6-24 Field Service
—Battery Connector Board Cable J21
—Speaker Cables J12 and J13
—Cover Closed Switch Cable J14
J21
Figure 6-21 Unplugging Cables on 60x Series Motherboard
J12
J13
J14