Yamaha CP2000 Service Manual - Page 9

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Yamaha CP2000 Service Manual

DISASSEMBLY PROCEDURE

1.
Top Cover
(time required: about 3 minutes)
1-1
Remove the nine (9) screws marked [420]. The top cover
can then be removed. (Fig. 1)
2.
IN Circuit Board
2-1
Remove the top cover. (See procedure 1.)
2-2
Remove the six (6) screws marked [180], the four (4) screws
marked [290A] and the two (2) hexagonal nuts marked [A].
The IN circuit board can then be removed. (Fig. 2, Fig. 3)
3.
AC3/6 Circuit Board
(time required: about 10 minutes)
3-1
Remove the top cover. (See procedure 1.)
3-2
Remove the two (2) screws marked [320]. The speaker
terminal cover can then be removed. (Fig. 3)
3-3
Remove the screw marked [290B], the two (2) screws
marked [300] and the two (2) hexagonal nuts marked [B].
The AC3/6 circuit board can then be removed. (Fig. 3)
<Top view>
[420]
[420]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190)
<Rear view>
[290A]
[A]
Speaker terminal cover
[290]: Bonding Tapping Screw-B 3.0X8 MFZN2BL (VN413300)
[300]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600)
[320]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
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(time required: about 8 minutes)
Top cover
[420]
[420]
[420]
(Fig. 1)
[320]
[300] [320]
[B]
[B]
AC
3/6
(Fig. 3)
4.
AC2/6 Circuit Board
(time required: about 15 minutes)
4-1
Remove the top cover. (See procedure 1.)
4-2
Remove the AC3/6 circuit board. (See procedure 3.)
4-3
Remove the screw marked [80A], the three (3) screws
marked [120] and the two (2) screws marked [140]. The
AC2/6 circuit board and the DB angle can then be removed.
(Fig. 2, Fig. 4)
5.

Power Transformer

(time required: about 8 minutes)
5-1
Remove the top cover. (See procedure 1.)
5-2
Remove the two (2) screws marked [103] and the
hexagonal bolt marked [C]. The transformer holder and
the power transformer can then be removed. (Fig. 2, Fig. 4)
AC
3/6
AC
2/6
[120]
DB angle
[C]
Power transformer
[80A]: Bind Head Screw A4.0X8 MFZN2BL (VP156800)
[120]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[160]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900)
[180]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
<Side view>
[290B]
[103]
[103]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190)
[140]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[80A]
[160]
[180]
Transformer holder
PA unit
(Fig. 2)
DB angle
[140]
(Fig. 4)
CP2000
IN
9