Power Block Diagram - Sony DSLR-A500 Service Manual

4-5. POWER BLOCK DIAGRAM (1/6)

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