5-15. OPTICAL SIGNAL ANALYZER PHOTOMULTIPLIER AND BRACKET ASSEMBLY
2A1A1A7 REPAIR (cont)
TEMPERATURE SENSOR Q1 REPLACEMENT
Remove 12 screws (1) and pull out
OSA (2) on slides.
Loosen two captive screws (3) and
open access door (4).
Disconnect the following
W9P1 from A7J3 (5)
W11P2 from A7J1 (6)
W16P2 from A7J2 (7)
W11P4 from A7J4 (8)
The photomultiplier tube may be dam-
aged by excessive exposure to light.
Do not handle photomultiplier tube