Yamaha XS250 Service Manual - Page 8

Browse online or download pdf Service Manual for Amplifier Yamaha XS250. Yamaha XS250 28 pages. Power amplifier
Also for Yamaha XS250: Owner's Manual (15 pages)

Print Page

XS250/350

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]

[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

(Fig. 4)

[80b]

Bind Head Screw SP 3.0X8 MFZN2Y (EG330290)

[60a]:

[80b,c]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600)

[130]

[130]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190)

[60a]

PA7

[80b]

(Fig. 6)

FAN Angle

[130]

(Fig. 5)

[80c]