Yamaha HTR-5635 Service Manual page 9

Replacement of Power Transistor, Speaker
Protective Relay
It is easy to replace the power transistor and speaker
protective relay of this unit according to the following
procedure.
a. Remove the top cover. (Refer to "1. Removal of Top
Cover" on p.7.)
b. Remove 1 screw (B) and 2 screws (C). (Fig. 6)
c. Raise the MAIN (1) P.C.B. (Fig. 7)
d. In this state, the power transistor and speaker
protective relay can be replaced. To check the
operation in this state, it is necessary to connect the
grounding cable.
MAIN (1) P.C.B.
Fig. 7
HTR-5635
9