Yamaha HTR-6150 Service Manual page 16

RX-V563/HTR-6150/DSP-AX563
When checking the P.C.B.:
a. Remove the top cover. (Fig. 1)
b. Remove DSP P.C.B.. (Fig. 2)
c. Remove 6 screws (A). (Fig. 5)
d. Remove 2 screws (B). (Fig. 5)
e. Remove 3 screws (C). (Fig. 6)
f. Remove 2 screws (D). (Fig. 5)
g. Remove 4 screws (E). (Fig. 5)
h. Place the P.C.B. upright. (Fig. 7)
i. The P.C.B. removed from the chassis does not work because its grounding is loose.
Be sure to connect the ground of rear panel and MAIN (1) P.C.B. (G5004, G5005, G5006 and G3401) and DSP P.C.B.
(G801 and G802) to the chassis with a ground lead or the like. (Fig. 7)
A B
E A
16
D
DSP P.C.B.
A
Fig. 5
C
Fig. 6
Rear panel
G5006
G5004
G5005
Ground lead
Rear panel
DSP P.C.B.
G801
G802
OPERATION (1) P.C.B.
Fig. 7
Ground lead
G3401
Ground lead