Yamaha XS250 Service Manual page 8

XS250/350
9. PA7 Unit
9-1 Remove the top cover. (See Procedure 1.)
9-2 Remove the front panel. (See Procedure 5.)
9-3 Remove the four (4) screws marked [250]. The PA7 unit
with the chassis can then be removed. (Fig. 4)
9-4 Remove the eight (8) screws marked [130]. The PA7 unit
can then be removed. (Fig. 5)
[250] 4
[250]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900)
10. PA7 Circuit Board
10-1 Remove the top cover. (See Procedure 1.)
10-2 Remove the front panel. (See Procedure 5.)
10-3 Remove the PA7 unit. (See Procedure 9.)
10-4 Remove the sixteen (16) screws marked [80b]; the four
(4) screws marked [80c] and the six (6) screws marked
[60a]. The PA7 circuit board can then be removed. (Fig. 6)
Holder A
Isolation sheet A
Heat Sink
Isolation sheet A
Holder A
8
(Fig. 4)
[80b] 4
Bind Head Screw SP 3.0X8 MFZN2Y (EG330290)
[60a]:
[80b,c]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600)
[130]
[130]
[130]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190)
[60a] 4
PA7
[80b] 4
(Fig. 6)
FAN Angle [130]
[130]
(Fig. 5)
[80c] 4
[80c] 4