Yamaha MCR-E320 Servise Manual page 26

A B
CRX-E320/NX-E700
Q Q
3 7 6 3 1 5 1 5 0
1
FOR INFORMATION ONLY (NO COMPONENT PARTS NOT AVAILABLE)
FRONT/SMPS 2/2
2
AC IN
3
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
Page 27 C2
5
to CONNECTOR _CN97B
6
FRONT/SMPS (3)
w w w
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.
• C901 on the FRONT/SMPS (3) P.C.B. are dangerous, for a high voltage is retained there even after the power
is turned off.
Before the repair work, connect a resistor about 5 k-ohms/10 W between terminals of the capacitor to force
discharge.
7
After the repair work, also perform force discharge by connecting a resistor about 5 k-ohms/10 W between
terminals of the capacitor.
26
C D
Page 27 C4
to CONNECTOR _CN96B
安全対策
・ この製品の内部には高電圧部分があり危険です。修理の際は、絶縁性の手袋を使用するなどの安全対策を行っ
x a o
y
てください。
・ FRONT/SMPS （3） P.C.B.のC901には電源OFF後も高電圧が維持されるため危険です。
. i
修理前に5 kΩ/10 W程度の抵抗をコンデンサの端子間に接続して強制放電してください。
また、修理後も同様に5 kΩ/10 W程度の抵抗をコンデンサの端子間に接続して強制放電してください。
E http://www.xiaoyu163.com F G
5 k-ohms
10W
Q Q
3 7 6
Page 27 H2
to CONNECTOR _CN98C
Page 27
to CONNECTOR _CN98B
u 1 6 3
.
http://www.xiaoyu163.com
H I
2 4
8 9 9
3 1 5 1 5 0 8 9 2
H4
m
c o
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to MAIN (1) _BN93
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to MAIN (1) _CN92