4-5
DSLR-A500/A550_L3
4-5. POWER BLOCK DIAGRAM (1/6)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
CN0501
B+ SWITCH
Q0502, Q0503,
Q0505
SWITCHING
Q0004
BATT_UNREG
UNREG_CAM
D_1.2V_1
AS_7.0V
AS_7.0V
VTN_16V
DD_ON2
BATT_SIG
BATT_IB_1
XDC_JACK_SENSE
BATT_IB_1
XDC_JACK_SENSE
ACV_UNREG
D0505
D0004
D0010
C0058
D0005
D0011
D0506
F0007
F0001
AM-019 BOARD (1/5)
BATTERY
TERMINAL
S
–
J902
2
3
1
6
4
DC/DC CONVERTER
(18/21)
IC0002
5.0V REG
(18/21)
IC0005
Q0001, Q0002
DC/DC
CONVERTER
(18/21)
IC0001
L13 PVDD1a
L12 PVDD1b
K13
LX1a
K12
LX1b
L11
IN1
H1 AVDD1
M13 DVDD2
F3001
UNREG_DRV
UNREG_CAM
EVER_4.5V
EVER_4.5V
UNREG_DRV
F0504
UNREG_CAM
F0501
L0003
L0002
Q0013,
Q0014
DISCHARGE
D_1.2V_1
CAM_6.0V
G1 PVDD7
F1
LX7
G2
IN7
4 VIN
L0009
IS_6.0V
CAM_6.0V
CAM_5.0V
CAM_ON
CAM_3/5V
B13
OUT8
B12
IN8
A10
PVDD9
D_1.8V_1
B1 PVDD3a
B2 PVDD3b
C1
LX3a
C2
LX3b
D3
IN3
IS_2.0V/2.5V
PVDD4a
PVDD4b
LX4a
LX4b
IN4
L0006
IS_2.0V/2.5V
5
STB
3
VOUT
1
CONT
BYPASS
Q0010, Q0012
VTN_16V
DD_BYPASS
BL_A
L0005
D_1.2V_2
G13 PVDD2a
G12 PVDD2b
F13
LX2a
F12
LX2b
G11
IN2
L0004
D_1.2V_2
D_1.8V_1
VTN_-7.5V
D_1.8V_CIS
D_3.15V
N8 PVDD5a
M8 PVDD5b
N9
LX5a
M9
LX5b
L10
IN5
L0007
A_3.15V
A_3.15V_2
IS_-2.2V
IS_-2.2V
D_3.15V
D_3.15V
EVER_3.15V
EVER_3.15V
AS_7.0V
D_1.8V_1
D_3.15V
DD_BYPASS
Q0005,
Q0006
D3002
D0014
D0017
D3001
D0013
D0012
R0100
R0101
D0007
C0043
C0044
L1 BATT_UNREG
N2 VBBIN
N3 BATT_IN_DET
4.5V REG
(9/21)
IC3004
2 VIN
5 VIN
3
VOUT
6
ON/PFF
3.0V REG
(18/21)
IC0006
6 VIN
4 ON/OFF
1
VOUT
Q007,
Q008
E11
BL_ON
BL_ON
CIS_3.3V
D_1.2V_2
C7
DD_ON
DD_ON1
VTN_-7.5V_ON
IS_-2.2V
IS_PWR_ON8
-2.2V REG
(18/21)
IC0004
5 VIN
3
VOUT
4
VCONT
VTN_-7.5V
-7.5V REG
(18/21)
IC0003
5 VIN
3
VOUT
4
VCONT
UNREG_OUT_FL
BATT/XEXT
UNREG_OUT_LNS
F0502
UNREG_OUT_LNS
POWER (2/6)
(PAGE 4-6)
D
POWER (4/6)
(PAGE 4-8)
F
POWER (4/6)
(PAGE 4-8)
J
POWER (4/6)
(PAGE 4-8)
H
POWER (3/6)
(PAGE 4-7)
A
POWER (2/6)
(PAGE 4-6)
B
POWER (3/6)
(PAGE 4-7)
C
POWER (2/6)
(PAGE 4-6)
I
POWER (5/6)
(PAGE 4-9)
G
POWER (3/6)
(PAGE 4-7)
E
05
VTN_-7.5V_ON
BL_A
CAM_ON
DD_ON2
BL_ON
DD_ON1
5
A8
B8
A7
B7
C8
CIS_3.3V
PVDD6a
PVDD6b
LX6a
LX6b
IN6
L0008
CIS_3.3V
IS_PWR_ON8
A3
B3
A4
B4
C5
A500
A500
A550
A550
A550
DC IN