Sony DSLR-A500 Service Manual page 8

4-6. POWER BLOCK DIAGRAM (2/6)
AM-019 BOARD (2/5)
CAM_6.0V
AS_7.0V
UNREG_CAM
D
POWER (1/6)
(PAGE 4-5)
D_3.15V
CAM_3/5V
EVER_3.15V
UNREG_OUT_LNS
DD_BYPASS
UNREG_DRV
L
CAM_VREF
POWER (3/6)
(PAGE 4-7)
M
CAM_ON
POWER (3/6)
(PAGE 4-7)
CAM_ON
I
POWER (1/6)
(PAGE 4-5)
DD_ON1
DD_ON2
B
XDC_JACK_SENSE
POWER (1/6)
(PAGE 4-5)
INT_FLASH_TRIG
N
INT_FLASH_CHARGE
INT_FLASH_FULL
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.
K
CAM_3.15V
POWER (3/6)
(PAGE 4-7)
IC3602
3.3V REG
(15/21)
IC3601
UNREG_CAM
5 VIN VOUT 4 EYEPIECE
CAM_ON
SENSOR DRIVE
1 VCONT
(15/21)
W
UNREG_DRV
(BATTCHK_UNREG)
POWER (3/6)
(PAGE 4-7)
K17 PG1/CAM_ON2
PC6/RST N3
P23/LEAKC R9
P07/LV1C T6
IC3001
MAIN CPU
(9/21)
PG4/DRESC K14
RESETx D16
PG5/TRESC J16
Q3003
VOLTAGE L14 PG0/CAM_ON
CHECK
BATT_AD_IN
C2 P71/BCAN
P06/LV0C U6
PF2/SLLK E7
U11 P40/DDON
P04/LV0SSM T5
T11 P41/DDON2
P05/LVPCL R5
E8 PE5/SDCJ
P72/BATTEMP D2
PF0/SM C7
D10 PD3/TRIG
N15 P67/FCHG
F2 P75/FPM
CAM_6.0V
CAM_6.0V
XAS_RESET
EVER_3.15V
D1304
AS_7.0V
UNREG_DRV
D1303
D_3.15V
CAM_3/5V
EVER_3.15V
CAM_VREF
AFCCD_RST
LI_CHARGE_CTRL
LENS_LOGIC_PWR_ON
O
XRESET_OR_CAOUT
POWER (4/6)
(PAGE 4-8)
D3012
XCA_RESET
XAS_RESET
XCA_RESET
P
XAS_RESET
POWER (3/6)
(PAGE 4-7)
LENS_PWR_ON
XLENS_RELEASE_SW
LENS_PWR_ON_SSM
LENS_PWR_ON_LOW
BATT_TEMP
XPOWER_SW
4-6
IC3701
5.0V REG
(21/21)
4 VIN VOUT 3
1 CTRL
D3 INHB
IC3801
OVF_HDMI_5V
SEGMENT
IC1303
DRIVER
5.0V REG
(12/21)
(8/21)
5 VIN VOUT 4 B+ SWITCH
1 CNT
R3108
IC3101
I/O
Q3101
CONTROLLER
B+ SWITCH
(13/21)
C8 VREF
BKUPVDDOUT E2
R3107
VDD2 F1
G8 LV1C
LVSC/LVDD1OUT B10
XLENS_RELEASE_SW
F9 SLLK
H2 CHGON
H1 XRESET
R3123
D3703, D3704,
Q3704
D3705
UNREG_OUT_LNS
B+ SWITCH
Q3705
Q3702 (1/2)
D3701 LENS POWER
CONTROL
Q3702 (2/2)
D3707
Q
XLENS_RELEASE_SW
POWER (4/6)
(PAGE 4-8)
AF-119 FLEXIBLE BOARD
CN3702
VOD
6
IC7801
AF CCD
R3713
VCC1
5 12 VREF
RST
8 9 RST
IFL-004 FLEXIBLE BOARD
CN3201
R3218 D8501
BL_A
2 FINDER
BACKLIGHT
CN1301
Q1305
+5V
18 HDMI
MM-084
BOARD (1/2)
CN1401
CN4501
(1/2) (1/2)
BKUPVDDOUT
BT901
32 32
LITHIUM
BATTERY
GYJ-001 BL-034
FLEXIBLE FLEXIBLE
BOARD (1/2) BOARD
CN7001
CN3705
LVDD1 LVDD1
1 13
LENS
CONTACTS
LVDD0 LVDD0
TH7001
BATT_TEMP
12
CONTROL SWITCH BLOCK
(TK85700): A500/A550 (CH)
(TK85800): A550 (EXCEPT CH)
CN3004
(1/2)
(1/2)
S9102
XPOWER_SW
(POWER)
17
SLK-006 FLEXIBLE BOARD
CN3401
S8701
XLENS_RELEASE_SW
(LENS RELEASE)
15