Sony HCD-EC709iP Service Manual - Page 16

HCD-EC709iP/EC909iP 5-3. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section - FAN-CONT (Page 15) C PROTECT +9V +9V DETECT Q051 PROTECT D110 +9V DETECT Q103 FAN MOTOR DRIVE Q052 - 054 FAN PROTECT DETECT Q071 - 073 AC DETECT Q101, 102 X301 32.768kHz X302 6MHz 14 X1A 13 X0A 92 X1 93 X0 O-POWER D111 D109 63, 64, 67 - 89, 94 - 100, 1 59 - 62 LCD301 LIQUID CRYSTAL DISPLAY D303 (LCD BACKLIGHT) LED DRIVE Q301 COM0, COM1, CMO2, CMO3 SEG0 - SEG32 O-CD-ON 4 SYSTEM CONTROLLER IC301 (3/3) 28 O-LED REMOTE CONTROL RECEIVER IC302 9 I-RMC I-5V/9V-DET 40 O-5V-ON 11 CD +3.3V +3.3V REGULATOR Q302, 303 VM7V +9V D902, 906 DRFk IRU iPRG (iPRG INDICATOR) VBUS_5V D304, 305 (EC909iP) +9V REGULATOR IC611 DC/DC CONVERTER IC151, Q151 - 155 S301 (EC909iP), S302 (EC709iP), S310 - 314, S315 (EC909iP), S320 - 324 (FRONT PANEL KEYS) VOLUME ROTARY ENCODER S304 37, 38, 41 I-KEY1, I-KEY2, I-KEY-WAKE-UP/VOL I-HOLD 42 I-RST 54 I-P-MONI 36 O-POWER 3 SYSTEM +3.3V RESET SWITCH Q309 D308 VOLTAGE DETECT Q305, 308 +4V REGULATOR Q304, 306 D311 M M001 (FAN) D106, 107 +B RECT -B D101 UNREG RECT D102 - 105 V-STBY RECT D001, 002 D003 ‡ AEEUHYiDWiRQ AUS :AXVWUDOiDQ PRGHO CND : CDQDGiDQ PRGHO PT004 MAIN POWER TRANSFORMER RY001 PT001 (EC709iP: US, CND/EC909iP: US, CND) PT002 (EC709iP: AUS/EC909iP:AUS) SUB POWER TRANSFORMER MAIN POWER ON/OFF CONTROL Q104 (AC IN) HCD-EC709iP/EC909iP 16 16