Sony DSLR-A500 - Power Block Diagram (5;6)

4-9
DSLR-A500/A550_L3
4-9. POWER BLOCK DIAGRAM (5/6)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
L1702
R1710
R1711
R1779
R1705
R1708
R1703
R1727
R1707
R1709
VDDPL (2.5V) : A500
VDDSV/CM (A4.5V) : A500
VDDDA (A2.5V)
VDDCB (A2.0V) : A500
VDDSN (D2.5V)
VDDSC (D2.5V) : A500
VDDIO (D3.15V) : A500
VDDCN (D2.0V) : A500
IS_2.0V/2.5V
IS_PWR_ON6
VDDREF (A4.5V) : A550
VDDSV/CM (A4.5V)
VDDPL (2.5V)
IS_6.0V
A550
IS_PWR_ON1
D_1.8V_CIS
VDDLV (D1.8V)
CN1701
VSSVRL (A-2.2V)
2, 3
51
50
49
6 - 916,17 12, 1333, 3429, 30 37, 3841, 4245, 46
VDDVRH (A3.3V)
24
22
26
VDDSUB (A4.5V)
VDDCB (A2.0V)
VDDSC (D2.5V)
VDDCN (D2.0V)
VSSVRL (A-2.2V)
VDDSUB (A4.5V)
VDDSV_ON
VDDCM_ON : A500
VDDDA_ON
VDDIO (D3.15V)
VDDLV (D1.8V)
VDDVRH (A3.3V)
VDDSV_ON
VDDCM_ON
VDDDA_ON
IS_PWR_ON5
4.5V REG
(19/21)
IC1703 , Q1702, Q1724
4.5V REG
(19/21)
IC1702 , Q1701, Q1731
Q1709, Q1716,
Q1719, Q1725
B+ SWITCH
IS_PWR_ON3
IS_PWR_ON4
IS_-2.2V
A_3.15V_2
IS_PWR_ON8
Q1734, Q1735
B+ SWITCH
Q1723, Q1729
DISCHARGE
L1701
PG_1.8V_SLVDS
Q1704, Q1708,
Q1713, Q1733
B+ SWITCH
CIS_3.3V
IS_PWR_ON7
PVLM (A2.5V)
VDDDA (A2.5V)
VDDSN (D2.5V)
PVLM (A2.5V)
20
Q1715, Q1730
B+ SWITCH
Q1703, Q1732
B+ SWITCH
IS_PWR_ON2
POWER (1/6)
(PAGE 4-5)
G
POWER (4/6)
(PAGE 4-8)
V
AM-019 BOARD (5/5)
05
2.5V REG
(19/21)
IC1701
VIN
1
3
CONT
4
VOUT
Q1711, Q1718,
Q1721, Q1728
B+ SWITCH
Q1722, Q1726
B+ SWITCH
VDDCP/SV/CM (4.5V)
VDDREF (A4.5V)
VDDDA (A2.5V)
VDDCB (A2.5V)
VDDSN (D2.5V)
VDDSC/PL (D2.5V)
VDDIO (D1.8V)
VDDCN (D2.5V)
VDDLV (D1.8V)
VSSVRL (A-2.2V)
VDDVRH (A3.3V)
VDDSUB (A4.5V)
VDDSV_ON
VREF_ON
VDDDA_ON
PVLM (A2.5V)
A500
A500
A500
A550
A500
A500
A500
A550
A500
A500
A550
A550
A550
A550
R1733
A550
R1706
A500
A550
A500
A500
R1787,
R1724
A550
A500
A500
R1704
A500
R1778
A550
R1713
A550
R1714
R1795
POWER (4/6)
(PAGE 4-8)
U
VDDCP/SV/CM (4.5V) : A550
VDDSUB (A4.5V)
VDDSC/PL (D2.5V) : A550
VDDCB (A2.5V) : A550
VDDCN (D2.5V) : A550
VSSVRL (A-2.2V)
VDDDA (A2.5V)
PVLM (A2.5V)
VDDSN (D2.5V)
VDDIO (D1.8V) : A550
VDDVRH (A3.3V)
VDDLV (D1.8V)
VREF_ON : A550
VDDDA_ON
VDDSV_ON
POWER (6/6)
(PAGE 4-10)
X
POWER (6/6)
(PAGE 4-10)
Y