Sony DSLR-A300 Service Manual ▷ View online
3-7
DSLR-A300_L2
3-7. POWER BLOCK DIAGRAM (2/5)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
COMMON
SH_COM
3
CN3503
CONTROL
BLOCK
SHUTTER UNIT
RM-096 FLEXIBLE
BOARD
BOARD
CN3526
6
BZ_VDD
BZ901
(BUZZER)
BZ_VDD
CH3_3.3V (IC_3001_3.3V)
AF_PI_C
AF MOTOR
ROTATION
DETECT
PH7701
AP-031 FLEXIBLE
BOARD
BOARD
AFP-003 FLEXIBLE
BOARD
BOARD
CN7701
CN3510
RB3502
2
VDA0
UNREG
EVER_3.3V
AF_PI_A
1
R3749
IRIS_PI_C
APERTURE
MOTOR
ROTATION
DETECT
PH6101
10
VDA1
IRIS_PI_A
IRIS_PI_C
IRIS_PI_A
9
1
2
IFL-003 FLEXIBLE
BOARD
BOARD
AM-013 BOARD (2/5)
CN3524
27
BL_A
IC_3001_6.0V
CH3_3.3V (IC_3001_3.3V)
UNREG
EVER_3.3V
IC_3001_6.0V
IC_3001_6.0V
IC_3001_6.0V
CH3_3.3V (IC_3001_3.3V)
IC_3001_6.0V
BL_A
FINDER
BACKLIGHT
BL901
MA-450 FLEXIBLE
BOARD
BOARD
BL-016 FLEXIBLE BOARD
1
CN3517
13
5 - 8
CN5904
LVDD1
LVDD1
LENS_PWR_ON_LOW
LENS_PWR_ON_LOW
XLVDD0_PWR_ON
XLVDD0_PWR_ON
LVDD1
LVDD0
5 - 8
CN3530
LVDD0
UNREG_LVDD0
LVDD1
LVDD0
LENS
CONTACTS
LED-001 FLEXIBLE BOARD
Q3512
B+ SWITCH
FOCUS_POS_LED_PWM
FOCUS_POS_LED_A
CA_UNREG
VDA1
Q3101, Q3102
B+ SWITCH
IC_3001_3.3V/5.0V
EVER_3.3V
IC_3001_3.3V/5.0V
LENS_LOGIC_PWR_ON
XLENS_RELEASE_SW
LENS_PWR_ON
Q3108
B+ SWITCH
D3507 - D3509
D3510
PHOTOMETRY
IC6351
3, 4
21, 22
AE-032 FLEXIBLE
BOARD
BOARD
EYE-006 FLEXIBLE
BOARD
BOARD
18
VDD
17
8
32
7
VCC
VP
VDD
VCC
VP
EVER_4.5V
EY_UNREG
EVER_3.3V
EVER_4.5V
EY_UNREG
EVER_3.3V
EVER_4.5V
EY_UNREG
EYE_LED_A
EYE_LED_A
CN5903
6
CN6351
SE901
EYEPIECE
SENSORS
SENSORS
Q6351
LED DRIVE
17
IRED
FOCUS_POS_LED_A
FOCUS_POS_LED_A
50
XIC_3601_RESET
XIC_3601_RESET
35
EVER_3.3V
EVER_3.3V
8
CN5902
LED901
TOKO
LED
(to VERTICAL GRIP)
CHARGE MOTOR
DRIVE
(8/19)
IC3401
3 STBY
2 PWM
F3401
F3402
F3403
IC_3001_3.3V_POWER_ON
DA_OUT_AF_PI
DA_OUT_IRIS_PI
AF MOTOR
DRIVE
(8/19)
IC3402
13
IB
3 MD2
9 VCONT
Q3401
B+ SWITCH
IC_3001_6.0V
Q3402
B+ SWITCH
APERTURE
MOTOR DRIVE,
LED DRIVE
(8/19)
IC3403
3 MD2
9 VCONT
13
IB
Q3403
5.5V REG
(8/19)
IC3404
3 VIN
1
VOUT
I/O CONTROLLER
(7/19)
IC3101
23
LVSC
8 SLLK
7 LV1C
Q3109
LENS ACTIVE
SWITCH
D3101
POWER (1/5)
(PAGE 3-6)
C
POWER (3/5)
(PAGE 3-8)
K
POWER (3/5)
(PAGE 3-8)
P
POWER (3/5)
(PAGE 3-8)
O
POWER (5/5)
(PAGE 3-10)
N
POWER (3/5)
(PAGE 3-8)
M
POWER (3/5)
(PAGE 3-8)
L
POWER (1/5)
(PAGE 3-6)
E
XIC_3601_RESET
05
D9105
(SELF-TIMER)
CONTROL SWITCH BLOCK
(TK62700)
(TK62700)
PL901
(PLUNGER)
CN3516
SELFLED_A
UNREG
CH3_3.3V (IC_3001_3.3V)
PLMG_VDD
CA_UNREG
10
32, 33
3-8
DSLR-A300_L2
3-8. POWER BLOCK DIAGRAM (3/5)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
MAIN CPU
(6/19)
IC3001
B1 PF0/KEY16/DREQ0
T15 P40/CS0/KEY24
Q3706
VOLTAGE
DETECT
IC_3001_3.3V_POWER_ON
EVER_3.3V
EVER_1.5V
VREF_CAM
IC_3001_2.5V
EVER_3.3V
EVER_1.5V
VREF_CAM
IC_3001_2.5V
BATT_AD_IN
CA_UNREG
XDC_JACK_SENSE
XDC_JACK_SENSE
BATT_CHK_CTRL
U14
P67/A15/TB5OUT
INT_FLASH_CHARGE
D9
PD3/TBBOUT
INT_FLASH_TRIGGER
B6
P75/AN5/KEY01
INT_FLASH_FULL
P17 RESET
M16 PG4/TBD4
XAS_RESET
M17 PG5/TPD2
XIC_3601_RESET
XIC_3601_RESET
M14 PG3/TPD3
CA_RST_FROM
CA_RST_FROM
T10 P26/A22/A6/TB5IN0
AFCCD_RST
AFCCD_RST
XIMG_RESET
XIMG_RESET_O
T5
P06/D6/AD6
LENS_PWR_ON
U5
P07/D7/AD7
LENS_LOGIC_PWR_ON
P5
P05/D5/AD5
LENS_PWR_ON_LOW
B9
PD4/TBCOUT
FOCUS_POS_LED_PWM
C1 PF2/KEY18/DREQ4
T16
P42/CS2/KEY26
DD_ON
L14
PG0/TPD0
T14 P66/A14/TB4OUT
E5 P72/AN2
DA_OUT_IRIS_PI
A8
DA1
DA_OUT_AF_PI
A6
DA0
IC_3001_3.3V_POWER_ON
N17
PG7/TPD7
DD_ON_2
U16
P43/CS3/KEY27
XCS_DD
G2
P95/SCLK2/CTS2
IC_3001_SCK
G5
P93/TXD2
IC_3001_SO
D3003
XPOWER_SW_CA
XPOWER_SW
CONTROL SWITCH BLOCK
(RS62700)
(RS62700)
CN3528
1
POWER
S9501
OFF
ON
xLENS_RELEASE_SW
(LENS RELEASE)
xLENS_RELEASE_SW
XLENS_RELEASE_SW
XLENS_RELEASE_SW
1
CN3515
1
CN5802
SLK-003 FLEXIBLE BOARD
SLLK BASE PLATE UNIT
POWER (2/5)
(PAGE 3-7)
K
POWER (1/5)
(PAGE 3-6)
B
POWER (4/5)
(PAGE 3-9)
T
POWER (2/5)
(PAGE 3-7)
O
POWER (2/5)
(PAGE 3-7)
L
POWER (1/5)
(PAGE 3-6)
F
POWER (1/5)
(PAGE 3-6)
A
POWER (5/5)
(PAGE 3-10)
R
POWER (4/5)
(PAGE 3-9)
Q
POWER (2/5)
(PAGE 3-7)
M
POWER (1/5)
(PAGE 3-6)
G
POWER (4/5)
(PAGE 3-9)
S
POWER (2/5)
(PAGE 3-7)
P
D3708
CA_UNREG
CA_UNREG
EVER_3.3V
3.7V DETECT
(13/19)
IC3713
5 VDD
1
VOUT
3.0V DETECT
(13/19)
IC3709
5 VDD
1
VOUT
XCA_RESET
XCA_RESET
XCA_RESET
(13/19)
IC3712
XAS_RESET_BUFFERED
XAS_RESET_BUFFERED
EVER_3.3V
EVER_3.3V
4
1
2
BATT_IB
BATT_IB
BATTERY
AUTHENTICATION
(12/19)
IC3601
E4 TxRx
B2
RESET
16K EEPROM
(6/19)
IC3003
AM-013 BOARD (3/5)
05
3-9
DSLR-A300_L2
3-9. POWER BLOCK DIAGRAM (4/5)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
AF CCD
IC7801
AF-111 FLEXIBLE
BOARD
BOARD
CN3511
RST
8
VCC1
5
VOD
AFCCD_RST
CH3_3.3V (IC_3001_3.3V)
CH3_3.3V (IC_3001_3.3V)
AS_5.0V
CH3_3.3V (AFCCD_3.3V)
AS_5.0V
6
9 RST
HALL
ELEMENT
IC7501
VBRA5a
VBRA5b
HOL-004 FLEXIBLE
BOARD
BOARD
5
16
CN3514
3 IGBT_IN
6 CHARGE
GYVCC
PITCH
SENSOR
SE6201
YAW
SENSOR
SE6202
GY-008 FLEXIBLE
BOARD
BOARD
13
CN3520
CHARGE CONTROL,
FLASH CONTROL
IC6501
UNREG
INT_FLASH_FULL
ST-196 BOARD
11
INT_FLASH_TRIGGER
7
INT_FLASH_CHARGE
10
EVER_3.3V
EVER_3.3V
UNREG_FLASH
INT_FLASH_FULL
INT_FLASH_TRIGGER
INT_FLASH_CHARGE
EVER_3.3V
8
1 - 3
11
7
10
8
1 - 3
CN6501
1
2
CN6503
XE_K
IGBT_C
T6501
D6501
D6502
+
C901
CHARGING
CAPACITOR
Q6501
FLASH
DRIVE
FLASH
UNIT
(FL62700)
2
IGBT_OUT
ANTI-SHAKE
ANALOG MASTER
(10/19)
IC3301
F8
PSPWR
E3
GVCCO
Q3301
B+ SWITCH
AS_5.0V
AS_5.0V
EVER_3.3V
EVER_3.3V
EVER_3.3V
EVER_3.3V
EVER_3.3V
AS_7.7V
AS_7.7V
CURRENT_LIMIT_1
DV5_HALL
GVCCO_COM
ANTI-SHAKE
DRIVE
(PITCH)
(11/19)
IC3801
ANTI-SHAKE
DRIVE
(YAW)
(YAW)
(11/19)
IC3802
Q3801, Q3802
LIMITER
Q3803, Q3804
LIMITER
VREF_CAM
EVER_3.3V
LI_CHARGE_CTRL
XAS_RESET_BUFFERED
R3219
Q3805
ANTI-SHAKE
CONTROLLER,
SUB CPU
(9/19)
IC3201
109
P12/INT2
20
P44/TOT0
90 INIT
7
P34/ZIN0
Q3201
LED
DRIVE
SLANT
SENSOR
PH3201
HORIZONTAL/VERTICAL
POSITION DETECT
R3013
REAL TIME CLOCK
(6/19)
IC3002
Q3001
B+ SWITCH
D3002
BT901
(LITHIUM BATTERY)
POWER (3/5)
(PAGE 3-8)
S
POWER (1/5)
(PAGE 3-6)
D
POWER (3/5)
(PAGE 3-8)
Q
POWER (3/5)
(PAGE 3-8)
T
POWER (1/5)
(PAGE 3-6)
H
AM-013 BOARD (4/5)
05
3-10E
DSLR-A300_L2
3-10. POWER BLOCK DIAGRAM (5/5)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
IS-027 FLEXIBLE BOARD
VTN-001 FLEXIBLE BOARD
Q2604, Q2606
Q2601, Q2602,
Q2607, Q2609
Q2607, Q2609
POWER (1/5)
(PAGE 3-6)
J
E2
SDCLK
AE21
MSYSXRDx
AD22
MSYSXWRx
AD11
TCPCK
B1
SDD6
C4
SDD5
15V REG
(1/19)
IC2902
5 Vin
1 CTL
4
Vout
AV16
CCD_16.4V
AV8
CCD_VTN_-7.5V
AV3
AV6
IMG_3.3V (CCD_VTN_3.3V)
CCD_6.0V
XAN_RST
VTN_CCD_VH
CCD_16.4V
B6 Reset
XVTN_RST
VTN_16.0V_PWR_ON
CCD_VTN_-7.5V
CCD_VTN_3.3V_SW
VTN_-7.5V_PWR_ON
VTN_CCD_VL
XAFETG_RST
CCD_16.4V_PWR_ON
CCD_16.4V_PWR_ON
CCD_-7.5V_PWR_ON
CCD_-7.5V_PWR_ON
8
22
47
41
43 - 45
49
8
CN2602
CN2901
L3701
R3748
FB2901
FB2902
FB2903
L2904
L2901
L2902
L2903
IMAGE
PROCESSOR
(2/19 - 4/19)
IC2001
AFE,
TIMING
GENERATOR
(1/19)
IC2901
LIVE VIEW
CCD
IC5401
BUFFER
IC5402
B+ SWITCH
B- SWITCH
Q2961, Q2962,
Q2967, Q2968
B- SWITCH
LCD
BACKLIGHT
DRIVE
(13/19)
IC3711
VLED+
VLED+
VLED-
VLED-
PANEL_BL_A
PANEL_BL_K
BL_CTRL_PWM
VDDIO
VDD
IMG_3.3V
IMG_3.3V
IMG_3.3V
VDD
6
OVP
4
Vfb
1 EN
7
SW
LF-057 FLEXIBLE BOARD
2.7 inch
COLOR
LCD
MODULE
LCD901
21
GRB
GRB
XLCD_RST
XLCD_RST
3
20
23
24
CN3529
CN9451
4
22
6
3
IC_3001_6.0V
D3706
POWER (2/5)
(PAGE 3-7)
N
POWER (1/5)
(PAGE 3-6)
I
POWER (3/5)
(PAGE 3-8)
R
A25
GP3
AD8
ATSYNC
J1
FRESET
H4
FVDDEN
11
CN2501
41
38
13
CN5202
18, 19
41
CN5201
33, 34
CF_3.3V
VCC
VCC
XCF_RST
XCF_RST
CF_3.3V_PWR_ON
CF_3.3V
XCF_RST
RESET
MEDIA_3.3V
MM-078
FLEXIBLE
BOARD
FLEXIBLE
BOARD
MM-076 BOARD
AM-013 BOARD (5/5)
CF
CompactFlash/
Microdrive
Q2504
B+ SWITCH
CF DETECT
(17/19)
IC2501
EVER_3.3V
MEDIA_3.3V
EVER_3.3V
D2501
(ACCESS)
R2670
R2669
VIDEO AMP
(18/19)
IC2801
CA_RST_FROM
XIMG_RESET
B4 RESET
512M SDRAM
(3/19)
IC2002
512M SDRAM
(3/19)
IC2003
32M FLASH
(5/19)
IC2207
IMG_1.8V
IMG_3.3V
IMG_3.3V
(IMG_3.3V_4S)
(IMG_3.3V_4S)
IMG_1.2V
B25 RESETx
IMG_1.8V
L2301
L2304
L2305
L2302
L2303
05
CCD
IMAGER
(1/3)
IC4303
BUFFER
(1/3)
IC4304
AV16
BUFFER
(1/3)
IC4305
H-DRIVER
(2/3)
IC4204
AV8
IS-026 BOARD
15.0V REG
(1/3)
IC4301
5 Vin
1 CTL
D10 RESET
4
Vout
47
AV3
AV6
HDRV6
2.8V REG
(1/3)
IC4302
C3 Vin
A1 Vcont
C1
Vout
41
43 - 45
49
XAN_RST
8
CN4301
L4201
FB4332
FB4202
FB4203
AFE,
TIMING
GENERATOR
V-DRIVER
(R&B)
(2/3)
IC4201
L4204
L4202
L4203
AFE-TG_3
FB4201
AV8
CCD_H15
XAN_RST
HBLK
AV3
H-DRIVER
(3/3)
IC4104
D10 RESET
C5 XV12
HDRV6
L4101
FB4102
FB4103
AFE,
TIMING
GENERATOR
V-DRIVER
(G)
(3/3)
IC4101
L4104
L4102
L4103
AFE-TG_3
FB4101
AV8
CCD_H15
XAN_RST
AV3
Q4301
DUMMY LOAD
SWITCH
VDD5
34
R9456
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