Yamaha RX-A760, Руководство по обслуживанию

Страница: 16 / 170

16
RX-V681/RX-A760
RX-V681/RX-A7
60
■
SERVICE PRECAUTIONS
Safety measures
• Some internal parts in this product contain high voltages and are dangerous.
Be sure to take safety measures during servicing, such as wearing insulating gloves.
• Note that the capacitors indicated below are dangerous even after the power is turned off because an electric charge
remains and a high voltage continues to exist there.
Before starting any repair work, connect a discharging resistor (
5 k-ohms/10 W) to the terminals of each capacitor indi-
cated below to discharge electricity.
The time required for discharging is about 30 seconds per each.
C1084 and C108 5 on MAIN (1) P.C.B.
C3706 on OPERATION (3) P.C.B.
For details, refer to “ PRINTED CIRCUIT BOARDS ” .
RX-A760
Top view
Front view
9
u
m j k l n
q r s t v
1 7 8 2 3 4 5 6
o p
a
OPERATION (3) P.C.B.
b
OPERATION (8) P.C.B.
c Network Module
d DIGITAL (1) P.C.B.
e
AM/FM TUNER
f
OPERATION (2) P.C.B.
g OPERATION (9) P.C.B.
h OPERATION (4) P.C.B.
i
MAIN ( 5 ) P.C.B.
j
MAIN (4) P.C.B.
k
MAIN (3) P.C.B.
l MAIN (1) P.C.B.
m
MAIN (6) P.C.B.
n
POWER TRANSFORMER
o
OPERATION ( 5 ) P.C.B.
p OPERATION (1) P.C.B.
q
OPERATION (12) P.C.B.
r
DIGITAL (2) P.C.B.
s
OPERATION (11) P.C.B.
t OPERATION (6) P.C.B.
u OPERATION (7) P.C.B.
v
OPERATION (10) P.C.B.