Sony DSLR-A300 Service Manual page 19

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CA_UNREG
EVER_3.3V
A
D3701
MA2SD320G8S0
EY_UNREG
AS_7.7V
D3702
IC_3001_6.0V MA2S1110G8S0
R3747
XX
C3701
0.1u
B
B
C
IC_3001_3.3V_POWER_ON
CE
C3707 GND
1u
IC3703
B
R1114Q251D-TR-FA
2.5V REG
CH3_3.3V (IC_3001_3.3V)
D
CTRL
GND
IC3705
C3713
XX
XX
E
F
CA_UNREG
EVER_3.3V
IC3709
BD4830FVE
3.0V DETECT
G
VDD
VOUT
SUB
GND
NC
NC
XAS_RESET
H
REG_GND
REG_GND
05
DSLR-A300_L3
4 5
IC3702
IC3701
S-812C33BPI-C4NTFG
S-812C45BPI-C4ZTFG
3.3V REG
4.5V REG
ON/OFF ON/OFF
NC
NC
NC NC
R3701
10
VIN VIN
VIN VIN
4.5V
VSS VSS
VOUT VOUT
C3702
C3703 C3738
4.7u
22u 22u
B
C C
R3702
XX
6.0V IC_3001_6.0V
C3710
10u
C
VDD
2.5V
VOUT
IC_3001_2.5V
C3709
0.47u
B
VIN
VOUT
C3714
XX
R3710
100k
R3709
XX
C3722 D3703
C3721 0.01u
XX
1u B
IC3712
SN74AHC1G08DCKR D3708
AND GATE MA2SD320G8S0
VCC
INB
INA R3745
1k
OUT
GND
C3723 C3740
R3712
XX 0.01u
1M
B
6 7
VREF_CAM
EVER_4.5V
DUMMY_LOAD_CTRL
BATT_CHK_CTRL
BATT_AD_IN
3.3V
C3704
4.7u
B
R3750
XX
IC3704
SH_COM
NJM2878F4-05(TE2)
5.0V REG
R3749
5.0V 0
AS_5.0V
VIN
5.0V
CTRL
VOUT
GND
C3712
10u
B PRELMG
R3740
1k
R3746
XX
AS_5.0V
R3744
XX
CH3_3.3V
(AFCCD_3.3V)
C3736
1u
B
FINDER_LCD_BL
IC3713
BD4837FVE-TR
3.7V DETECT
CA_UNREG
VDD
VOUT
C3739
1u
B
SUB
GND
NC
NC
XCA_RESET
XAS_RESET_BUFFERED
4-19
8 9 10
CA_UNREG
Q3706
R3716
UP04313G08S0
XX
VOLTAGE DETECT 6 4
2 5
3
Q3704
XX
R3714 1 3
XX
R3717
18k
±0.5%
C3725
XX R3718
10k
±0.5%
PLMG_VDD
D3707
MA2S1110G8S0
PRELMG_B
3
C3735
Q3714
0.1u
SCH1406-TL-E
B
PLUNGER POPUP
IC_3001_6.0V
R3748
0
BL_CTRL_PWM
R3738
XX
C3730
4.7u B
IC_3001_6.0V
R3729
FINDER_LCD_BL_K
33
Q3712
RJU003N03T1
BACKLIGHT PWM
C3726
R3728
XX
10k
AM-013 BOARD (13/19)
REGULATOR
XX MARK:NO MOUNT
11 12
A
B
IC3710
LM_OUT
XX
R3727
0 Vcc
IN
C3728 C
LM_OUT_LPF XX
OUT
C3729
CONT
220p
GND
B
IC_3001_SO
D
L3702
XX
L3701
10uH
IC3711
TK11880FTL
LCD BACKLIGHT DRIVE
EN PGND
Vin SW
D3706
MA2SD320G8S0
R3742 XX
GND OVP PANEL_BL_A
C3734 E
C3737
Vfb EAout 1u B
1u
C3733
B
1u B
R3743
XX
PANEL_BL_K
R3735
10
±0.5%
R3734
10
±0.5%
F
G
H
AM-013 (13/19)