Yamaha XM6150, Service Manual

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XM6150/XM4220
12
10. REAR6(1/6)-(6/6) Circuit Boards <XM6150>
REAR4(1/6)-(6/6) Circuit Boards <XM4220>
10-1 Remove the top cover. (See procedure 1.)
10-2 Remove the rear assembly. (See procedure 3.)
10-3 REAR6(3/6) or REAR4(3/6) Circuit Board:
Remove the REAR6(3/6) circuit board or the REAR4
(3/6) circuit board from the five (5) supports marked
[B]. (Fig.8)
10-4 REAR6(2/6) or REAR4(2/6) Circuit Board:
Remove the REAR6(3/6) circuit board or the
REAR4(3/6) circuit board. (See procedure 10-3.)
Remove the screws (XM6150: 12pcs, XM4220: 8pcs)
marked [R100] and the five (5) screws marked [R110].
The REAR6(2/6) circuit board or the REAR4(2/6)
circuit board can then be removed. (Fig.8)
10-5 REAR6(1/6) or REAR4(1/6) Circuit Board:
Remove the REAR6(3/6) and REAR6(2/6) circuit
boards or the REAR4(3/6) and REAR4(2/6) circuit
boards. (See procedure 10-3, 10-4.)
Remove the screws (XM6150: 6pcs, XM4220: 4pcs)
marked [R90]. The REAR6(1/6) circuit board or the
REAR4(1/6) circuit board can then be removed. (Fig.8)
10-6 REAR6(4/6) or REAR4(4/6) Circuit Board:
Remove the two (2) screws marked [R160A] and
the screw marked [R170A]. The REAR6(4/6) circuit
board or the REAR4(4/6) circuit board can then be
removed. (Fig.8)
10-7 REAR6(5/6) or REAR4(5/6) Circuit Board:
Remove the two (2) screws marked [R160B] and
the screw marked [R170B]. The REAR6(5/6) circuit
board or the REAR4(5/6) circuit board can then be
removed. (Fig.8)
10-8 REAR6(6/6) Circuit Board:
Remove the two (2) screws marked [R160C] and
the screw marked [R170C]. The REAR6(6/6) circuit
board can then be removed. (Fig.8)
[160B]
[160C]
[R90]
[R90]
[R90]
[R170A]
[R160B]
[R170B]
[R160C]
[R170C]
[B]
[B]
[R110]
X
5
[R160A]
REAR6 REAR4 2/6 or 2/6
REAR6
REAR4
3/6
3/6
REAR6 REAR4 4/6 or 4/6
REAR6 REAR4 4/6 or 4/6
REAR6 REAR4 1/6 or 1/6
REAR6 REAR4 5/6 or 5/6
REAR6 6/6 (XM6150 only)
(XM6150 only)
[R100]
XM6150: 12pcs
XM4220: 8pcs
or
Rear Assembly
〈
Top View
〉
〈
Rear View
〉
(Fig.8)
[R90]: Pan Head Screw 2.6 X 6 MFZN2BL (VC990500)
[R100]: Bonding Tapping Screw-B 3.0 X 8 MFZN2BL (VN413300)
[R110]: Bind Head Tapping Screw-B 3.0 X 8 MFZN2BL (EP600190)
[R160]: Bind Head Tapping Screw-B 3.0 X 12 MFZN2BL (VQ074600)
[R170]: Bonding Tapping Screw-B 3.0 X 8 MFZN2BL (VN413300)