Sony DSC W55 Service Manual - Page 23

Ver. 1.2 2007.06 3-3. POWER BLOCK DIAGRAM ( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located. MC-181 FLEXIBLE BOARD ACV_UNREG SY-176 BOARD CN702 ACV_UNREG 23, 25 23 - 29 CN001 MULTI CONNECTOR 19 BATT/XEXT BATT/XEXT 21 SW-498 BOARD RL-074 FLEXIBLE (1/2) BOARD (1/2) D001 AE/AF LOCK/ SELF-TIMER CN003 (1/2) 14 D002 (POWER) D_3.2V S002 POWER CN705 (1/2) 2 D_3.2V 3 XPOWER_ON D002 FLASH CHARGING/ RECORD BT001 LITHIUM 6 RECHARGEABLE BATTERY VL_3V 12 MEMORY STICK DUO PRO CN703 MS_VCC 9 CHARGE_V XACV_IN D003 D001 XACV_IN V25 + BH001 BATTERY S TERMINAL - CHARGE_V BATT_SIG REG_GND (LND704) (LND703) (LND702) CHARGE_V Q102 BATTERY CHARGE DETECT AB25 IC102 (2/6) 4 3 AA26 D_3.2V A13, B13, D25, D26 F001 ST_UNREG UNREG F002 D_3.2V Q001, Q002 IC001 DC/DC CONVERTER (6/6) J1 UNREG1-1 K1 UNREG1-2 J6 UNREG2-1 K6 UNREG2-2 LX3 E10 A1 PWR1-1 B1 PWR1-2 C2 PWR1-3 D10 PWR2 D004 XPOWER_ON B8 RTCBAT H1 LDO1 C7 XPWRON1 VO3 E9 VL3 F9 VO1-1 F1 VO1-2 F2 VFB1 H2 LDO2IN B3 LDO2 A3 L004 F003 D005 BL_H BL_L L003 IC601 2.9V REG (5/6) 4 VIN VOUT 3 A_3.2V D_1.8V IC101 CAMERA DSP, CPU, LENS CONTROL, MODE CONTROL, FRONT CONTROL (2/6) LDO3IN B2 LDO3 A2 L002 LX2 C10 CAM_2.9V D_1.2V VFB2 D8 MS_VCC G2 MS_PWR MS_PWR_IN G1 D3 MS_PWR_ON L001 BG4 G9 L006 Q003 DC CONTROL Q004, Q005 SWITCHING M_5V EVER_SRAM V1 MS_PWR_ON T25 BATT_SENS K25 IC101_0_SI, IC101_0_SO, XIC101_0_SCK AA5, AB5, Y5 W23 XCS_DD XPWR_OFF AA23 TG4 F10 PSG4 G8 VFB4 F7 VREF6 G6 VFB6 H7 D4 UNREGMON C6, C5, B6 SCLK SI SO A6 CE B7 XPWROFF GT6 H6 PWR56OUT1 J7 PWR56OUT2 K7 LX5-1 J9 LX5-2 J10 LX5-3 K9 LX5-4 K10 VFB5 H9 L007 Q006 SWITCHING D008 L102 D_1.2V D_1.8V A_3.2V AU_3.0V L101 D_3.2V G26 VIDEO_VCC L601 D_1.2V A_3.2V AU_3.0V D_3.2V D_1.2V D_1.8V A_3.2V AU_3.0V D_3.2V D_3.2V ST-134 FLEXIBLE BOARD CN704 ST_UNREG 1-5 ST_5V 13 D_3.2V 18 ST-133 BOARD CN001 L001 1-3 8 13 D003 SELF-TIMER/ AF ILLUMINATOR T001 D002 IC001 FLASH CONTROL, CHARGE CONTROL LCD901 LCD UNIT 31,32 L901 L902 D_3.2V M_5V CN901 25 D_3.2V CN705 BL_H (2/2) 23 BL_H CN003(2/2) (LND002) 1 BL_L BL_L 21 2 (LND001) RL-074 FLEXIBLE SW-498 BOARD BOARD (2/2) (2/2) 2.5 INCH DIGITAL LCD MONITOR LCD BACKLIGHT AU_3.0V M_5V IC603 AUDIO AMP (5/6) FLASH UNIT IC401 LENS DRIVE, MOTOR DRIVER (3/6) CAM_- 7.5V CAM_12V IC202 256M SDRAM, 64M SUPER AND (4/6) D601 IC103 BATTERY AUTHENTICATE (2/6) IC602 VIDEO AMP (5/6) CN401 1 Z_BOX1_PI_SENS_VCC 4 Z_BOX2_PI_SENS_VCC 28 Z_PI_SENS_VCC LENS BLOCK ZOOM RESET SENSOR F_PI_SENS_VCC 25 FOCUS RESET SENSOR D_3.2V L304 L305 FB309 CAM_2.9V CAM_- 7.5V L303 FB307 IC301 CCD SIGNAL PROCESS, TIMING GENERATOR (1/6) CAM_12V FB308 CD-604 FLEXIBLE BOARD L301 FB301 CN301 12 36 CAM_12V CAM_- 7.5V IC002 CCD IMAGER IC001 BUFFER FB107 D_3.2V 08 DSC-W55_L2 3-3E