Yamaha DSP-AX563, Руководство по обслуживанию

Страница: 16 / 114

RX-V563/HTR-6150/DSP-AX563
16
Fig. 6
Fig. 5
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)
Fig. 7
A B
A
D
A
DSP P.C.B.
E
C
MAIN (1) P.C.B.
Ground lead
Ground lead
Rear panel
G5005
G5004
G5006
G3401
OPERATION (1) P.C.B.
Rear panel
DSP P.C.B.
G802
G801
Ground lead