Canon DC20 E - Power Fuses

DC10 E, DC20 E
TECHNICAL DESCRIPTION
5
2-2 Power Fuses
The power supply from the battery DC JACK is supplied to seven fuses on the MAIN PCB, through which the following seven power
voltage are delivered.
(1) ST UNREG : FU3200
• Main capacitor charging power source for flash memory (DC20 E only)
(2) 1.4V + 2.7V + 2.5V + DC/DC : FU3201
• 1.4V power source (MACS1.4V, DVDD1.4V, AVDD1.4V)
• 2.7V power source (CAM2.7V [DC20 E only], DVDD2.7V, PLL2.7V, AVDD2.7V, AA2.7V, HTG2.7V [DC20 E only])
• 2.5V power source (DVDD2.5V, DDR2.5V, SDRAM2.5V)
• DC/DC CONVERTER power source
(3) 1.2V + 3.3V : FU3202
• 1.2V power source (PRISM1.2V)
• 3.3V power source (LCD3.3V, USB3.3V, FLASH SRAM3.3V, DVDD3.3V, AVDD3.3V)
• CCD drive IC power source (DC10 E:CAM3.3V, DC20 E:CAM3.5V)
(4) FRONT END UNREG : FU3203
• FRONT END power source
(5) 5V + VTR UNREG + CCD + LCD : FU3204
• 5V power source (P5V, LCD5V, AA4.7V)
• VTR UNREG
• CCD drive power source (CCD15V, CCD-7V)
• LCD drive power source (LCD8.5V, BL POW)
(6) FRONT END UNREG : FU3205
• FRONT END power source
(7) CHARGE UNREG : FU1800
• Battery Charge circuit power source
Fig. 2
BATT. +
BATT.
TERNINAL
DC JACK
DC +
BATT +
MAIN PCB
DC JACK PCB
FU3202
FRONT END UNREG
1.2V, 3.3V
FU3201
4V, 2.7V, 2.5V
DC/DC CONVERTOR
FU3204
FU3205
5V, VTR UNREG,
CCD, LCD
FU3200
ST UNREG
FU1800
CHARGE UNREG
FRONT END UNREG
FU3203
CN3200
CN104
RIGHT COVER
CN100
CN3200