Printed Wiring Board -Main Section - Sony CDX-L550 Service Manual

3-8. PRINTED WIRING BOARD — MAIN SECTION —
(Page 24)
21 21
CDX-L550/L550V/L550X
• Semiconductor Location
Ref. No. Location Ref. No. Location
D21 J-2 D720 K-2
D22 J-2
D23 I-3 IC20 I-1
D331 H-13 IC51 I-4
D332 H-13 IC401 D-4
D341 G-9 IC404 B-7
D471 A-9 IC501 I-8
D472 A-9 IC601 F-13
D473 A-9 IC602 J-10
D474 A-9
D475 C-8 Q21 J-2
D476 A-10 Q22 I-3
D477 C-8 Q331 H-13
(Page 19)
D478 A-11 Q332 I-13
D479 D-8 Q333 H-13
D551 D-13 Q341 G-10
D556 D-13 Q431 B-5
D601 B-12 Q441 B-5
D609 E-11 Q451 B-4
D610 E-6 Q461 B-4
D611 B-11 Q478 E-8
D612 D-10 Q479 E-9
D613 D-10 Q551 K-12
D614 C-11 Q556 C-13
D621 G-13 Q557 K-12
D662 J-13 Q631 E-10
D671 K-4 Q651 E-10
D701 J-4 Q660 I-14
D710 L-3 Q661 J-13
D711 K-2 Q662 I-13
D713 L-2 Q663 J-14
D714 L-2 Q664 J-6