Replacing The Cpu Pc Board - TEC B-670 Series Maintenance Manual

2. MAJOR UNIT REPLACEMENT

2.1 REPLACING THE CPU PC BOARD

CAUTION:
Replace only with the same type and rated fuse for continued protection against risk of fire.
1) Detach the 11 connectors from the CPU PC board.
2) Remove the 7 screws (SM-3x5B and FL-3x5) to detach the CPU PC board.
Screw (SM-3x5B)
Screw (FL-3x5)
Connector
Screw (SM-3x5B)
NOTE: Be sure to support the CPU PC board when detaching the connectors.
3) Replace the CPU PC board and reassemble in the reverse order of removal.
2-2
EM18-33017
2.1 REPLACING THE CPU PC BOARD
CPU PC Board
Fig. 2-2