Product specifications

DC10 E, DC20 E
TECHNICAL DESCRIPTION
6
2-3 Power Supply Circuits
Figure 3 shows the power supply circuits.
The ON/OFF condition of each power supply voltage is controlled by the VTR ON signals output from the SUB MI-COM.
Fig. 3
LCD BL ON
From BACK END
IC3201
DC/DC
CONVERTER
CONTROL
MACS 1.4V
AVDD 1.4V
FLASH SRAM 3.3V
LCD BL POW
REG.
REG.
78
6
PWM
CONTROL
32
33
34
35
36
37
70
20
VTR ON
From SUB MI-COM.
PANEL BL CTRL
(LUMINANCE CONTROL)
From LENS DRIVER
LCD BL VFB
From LCD PCB
DVDD 1.4V
Q3201
Q3211
REG.
78
10
PWM
Q3206
Q1801
Q1803
MAIN PCB
USB 3.3V
AVDD 3.3V
DVDD 3.3V
CAM 3.5V
DC10 E ONLY
DC20 E ONLY
LCD 3.3V
CAM 3.3V
ON/
OFF
3
4
DC20 E
ONLY
73
15
Q3213
REG.
CAM 2.7V
LCD 5V
AA 4.7V
LPF
AVDD 2.7V
LPF
LPF
LPF
LPF
LPF
PWM
CH-4
UNREG
P 5V
DVDD 2.7V
76
14
Q3202
REG.PWM
CH-5
UNREG
CCD 1 5V
LCD 8.5V
CCD -7V
CAM ON From CCM MI-COM.
CCD VL ON From CCM MI-COM.
77
11
REG.
PWM
CH-6
UNREG
PRISM 1.2V
62
63
23
5148
Q3203
Q3205
REG.
IC3203
REG.
IC3200
DVDD 2.5V
SDRAM 2.5V
DDR 2.5V
CONTROL
Q1001, Q1002
CONTROL
Q1003, Q1004
REG.
PWM
REG.
CH-1
PWM
CH-2
71
VCC2
CH-8
UNREG
E3V
UNREG
72
20
Q3204
Q3207, T3201
Q3200
L3213
REG.PWM
CH-3
UNREG
UNREG
CH-7
UNREG
CLT
CLT3.4
CLT5
CLT6
CLT7
CLT8
UNREG
AA 2.7V
HTG 2.7V