Yamaha HTR-6050, Руководство по обслуживанию, Страница: 10 / 87

10
RX-V561/HTR-6050
RX-V561/HTR-6050
A
A
B
A
Fig. 4
Fig. 5
Fig. 6
When checking the P.C.B.:
a. Remove the top cover. (Fig. 1)
b. Remove 3 screws (
8
). (Fig. 3)
c. Remove 5 screw (
A
) and 4 screws (
B
). (Fig. 4)
d. Place the P.C.B. upright. (Fig. 5)
e. The rear panel and 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. (G102, G103, G104 and G105) to the chassis with
a ground lead or the like. (Fig. 5)
• Be sure to use the extension cable for servicing for the
following section. (Fig. 6)
DSP P.C.B. CB408_OPERATION (1) P.C.B. CB202:
V2854400 (17P, 300mm)
MAIN (1) P.C.B.
G105
G103
G104
Ground lead
Ground lead
Rear panel
G102
Rear panel
V2854400
CB408
CB202
DSP P.C.B.
OPERATION (1) P.C.B.