Sony HCD-HX7 Service Manual - Page 43

6-25. SCHEMATIC DIAGRAM - PANEL Section - • See page 41 for Waveforms. • See page 46 for IC Block Diagrams. HCD-HX3/HX5/HX7 FL901 FLUORESCENT INDICATOR TUBE R909 10 R906 100 R907 100 C901 0.1 C902 0.1 C921 0.1 C910 0.1 C923 100p C924 100p C925 100p R970 4.7 R959 4.7 R958 4.7 R957 4.7 R956 4.7 R984 4.7 R983 4.7 R982 4.7 R981 4.7 R980 4.7 R911 R902 R903 100k 100k 47k Q908 2SC3052F R904 100k R905 R910 47k 100k Q904,908 B+ SWITCH Q901 2SC3052F GRID DRIVE Q902 2SC3052F GRID DRIVE R924 47k R923 1k C919 0.1 C917 1 D906 MC2837 C920 10 16V C915 0.1 C913 1 D905 MC2837 D907 MC2837 C911 0.1 C916 10 16V C912 10 16V R949 10k Q904 2SC3052F R928 10k R927 1k POWER CONTROL SWITCH, B+ SWITCH IC901 NJM4558M C909 10 16V C908 0.1 R943 47 Q906,907 DC/DC CONVERTER R940 47 Q907 2SA1365 Q906 2SC3440 R937 10k C907 0.1 R935 1k C906 R926 0.1 47k R936 10k R929 10k R930 10k R919 22k R917 22k R933 22k Q905 RT1N441C C905 0.001 R934 22k Q903 RT1N441C Q903,905 POWER CONTROL SWITCH VCC GND R921 10k C904 10 16V C903 0.1 R920 1k R901 47k C922 10 16V R918 220 D903 1SS355W R908 10 D909 1N4002-B5 REMOTE CONTROL RECEIVER IC951 NJL24H400A RV952 ROTARY ENCODER VOLUME +3.3V GND OUT A COM B S954 R979 2.2k S952 R951 1k S951 BLUETOOTH OPR (HX5/HX7) C954 0.1 R954 100 R947 470 D951 SLR-325VCT31P STANDBY R945 10k Q951 2SC3052F LED DRIVE Q952 2SA1235 B+ SWITCH R944 10k R989 2.2k R990 4.7k R992 10k R991 1k C962 0.1 Q953 2SC3052F LED DRIVE 5 DGND DGND KEY2 KEY1 KEY0-1 1 D952 SLR-325DCT31(HX3) SELK5E20C-DTP15(HX5/HX7) USB MEMORY (HX3) BLUETOOTH (HX5/HX7) R955 10k R950 220(HX5/HX7) 470(HX3) R953 2.2k R962 2.2 1 USB/BT LED LED STANDBY EVER+3.3V SIRCS DGND VOLUME JOG KEY0 KEY1 KEY2 FL RESET FL SD FL CS FL SCLK FL PWR ON FL +7V FL +11V FL DGND 17 (Page 33) S953 TUNE - R952 47k S968 - R967 22k S967 ENTER R966 10k S966 R965 4.7k S965 + TUNE + R963 2.2k S963 R961 2.2k S962 PLAY MODE/ TUNING MODE DSGX R960 1k S961 DISPLAY CN907 3P KEY1 DGND KEY2-1 S976 R978 47k S975 R977 22k SEARCH /CANCEL R975 4.7k(HX5/HX7) 10k(HX3) R974 2.2k(HX5/HX7) 4.7k(HX3) S974 (HX3/HX7) FUNCTION AUDIO IN (HX5) S973 AUDIO IN TUNER/BAND S972 TUNER/BAND CD R973 2.2k S971 CD USB R972 1k(HX5/HX7) 2.2k(HX3) R976 0(HX3) 10k(HX5/HX7) R971 0(HX5/HX7) 1k(HX3) S970 USB BLUETOOTH (HX3) (HX5/HX7) CN906 3P KEY2-1 DGND KEY1 CN905 5P KEY0 KEY1 KEY2 DGND DGND HCD-HX3/HX5/HX7 43 43