Sony HCD-C990 Service Manual - Page 69
IC902, IC909, IC904, IC903, IC908, IC905, IC901, PC901, IC906
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Page 69 highlights
HCD-C770/C990 7-38. PRINTED WIRING BOARDS - POWER Section (2/2) - • See page 37 for Circuit Boards Location. 1 2 3 POWER BOARD (CONDUCTOR SIDE) 1 51 5 A IC903 IC908 4 1 3 IC905 H DVD BOARD CN008 (Page 42) B 5 1 E E E 1 5 IC906 IC904 C AKA J E AMP BOARD CN300 D (Page 55) E 3 IC902 3 21 E E E E E E K E E C A PC901 E IC909 F (US, CND) T901 POWER TRANSFORMER (AEP, AUS) 1 5 IC901 (AEP, AUS) (US, CND) 5 6 7 8 (CHASSIS) 1 2 (AEP, UK) POWER SW BOARD (COMPONENT SIDE) POWER SW BOARD (CONDUCTOR SIDE) 1 2 2 1 POWER 11 1-685-080- (11) 1-685-08111 (11) 9 (AC IN) P DDCON BOARD CN807 (Page 62) • Semiconductor Location Ref. No. Location D902 D-5 D904 E-1 D905 F-3 D906 E-2 D907 F-2 D908 F-3 D911 C-3 D912 D-2 D913 B-4 D914 B-3 D915 A-4 D916 B-2 D917 A-3 D919 D-4 D920 D-4 D921 B-3 D931 E-3 D932 E-2 D933 F-2 D990 B-3 IC901 F-3 IC902 D-2 IC903 A-2 IC904 C-3 IC905 A-4 IC906 B-3 IC908 A-3 IC909 F-1 PC901 E-2 Q901 D-2 Q902 D-1 Q903 D-2 Q904 E-2 Q905 F-2 Q906 E-1 Q910 D-2 Q911 E-2 Q912 E-1 Q914 E-2 Q990 B-3 Q991 B-3 Q992 B-3 11 1-685-081- (11) (CHASSIS) 69 69
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