Ymc-700/Ymc - Yamaha YMC-700 Service Manual

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When checking the P.C.B.:
• Put the rubber sheet and the cloth over this unit. Then place the DIGITAL P.C.B. upside down on the cloth and check
them. (Fig. 5)
• Reconnect all cables (connectors) that have been disconnected. Be sure to use the extension cable for servicing for
the following section.
DIGITAL P.C.B. CB385 – MAIN P.C.B. CB101:
WQ662700 (27P, 320mm, P=1.0)
DIGITAL P.C.B. CB383 – OPERATION(2) P.C.B. CB154:
WQ760200 (17P, 250mm, P=1.0)
• When connecting the flexible flat cable, be careful with polarity.
• Connect the ground point of each P.C.B. shown below to the chassis with a ground lead or the like. (Fig. 5)
DIGITAL P.C.B. G3803 (Ground)
DIGITAL P.C.B. ST381 (Ground)
DIGITAL P.C.B. CB312 (HDMI)
TE
L 13942296513
WQ760200
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Ground lead
WQ662700
Chassis
G3803
x ao
y
i
8
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3 6 7 1 3
CB383
CB385
Fig. 5
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YMC-700/YMC-500

2 9 9 4 2 8
DIGITAL P.C.B.
1 5 0 5 8 2 9 9 4
Rubber sheet and cloth
CB312
ST381
m
co
9 9
2 8 9 9
17