Yamaha MCX-C15 Service Manual page 35

A B
PRINTED CIRCUIT BOARD (Foil side)
1
D-AMP (1) P.C.B.
(Side A) Lead Solder Used
2
D-AMP (3)
W101B
3
D-AMP (1) P.C.B.
(Side B) Lead Free Solder Used
4
5
6
C D
MCX-CA15
When any part not included in the Parts List has failed, replace the P.C.B.
パーツリストに記載されていないパーツの故障の場合、P.C.B.を交換してください。
9
CH1
MODE
9
CH2
8
D-AMP (2)
W201
E
D-AMP (2) P.C.B.
(Side A) Lead Solder Used
RESET
D-AMP (1)
CB101
D-AMP (4) D-AMP (3)
W202B W302
D-AMP (2) P.C.B.
(Side B) Lead Free Solder Used
F G
MCX-C15/MCX-CA15
Point 8 (Pin 14 of IC201)
V: 2V/div, H: 200nsec/div
DC, 1 : 1 probe
0V
Point 9
CH1: Pin 2 of IC206
CH2: Pin 1 of IC206
V: 5V/div, H: 4.0sec/div
DC, 1 : 1 probe
CH1
CH2
AC POWER ON AC POWER OFF
(Connect the power cable) (Disconnect the power cable)
D-AMP (4) P.C.B.
(Side A) Lead Solder Used
D-AMP (2)
W202A
PN401
CONTROL
AV IN
IN/OUT
D-AMP (4) P.C.B.
(Side B) Lead Free Solder Used
H
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