Sony DSC-H7 Service Manual page 15

• Refer to page 4-2 for mark 0.
1 2
0DD-272 BOARD (2/3)
DC-DC CONVERTER, SYSTEM CONTROL
A
EVER_3.0V
UNREG
(1/3)
B
(EVER) TI_5V
VSU_EN
C
EVER_PSB
BL_EN1
BL_EN2
@103
DDC5PSW_EN
(1/3) CAMDD_EN
CAMDD_EN
PANEL_EN
PANEL_EN
DISW1P8_EN
DISW1P8_EN
DISW2P9_EN
DISW2P9_EN
D
SW_1P8_EN
@105
LDO_1P8_EN
(1/3)
E
F
XPWR_ON
DIRECT_PB
XDD_SYS_RST
XMS_IN
USB_VBUS
@101
G
XPWR_OFF
(1/3)
XIC_211_RST_REQ
IC_211_0_SO
IC_211_0_SI
XIC_211_O_SCK
XCS_FR
H
I
REG_GND
CL101
CL118
CL119
CL120
J
02
DSC-H7/H9_L3
3 4 5 6
v: Voltage measurement of the CSP ICs
XX MARK:NO MOUNT
and the Transistors with v mark,
NO MARK:REC/PB MODE are not possible.
EVER_3.0V
D102
MA2SD32008S0
4.1
VDD
S-80822CNPF-B8HTFG
NC
C121
0.1u
R121
220k
C102
C101
0.1u 0.1u
R103
1k
XPOWER_ON0
XPOWER_ON1
XPOWER_ON2
R104
N.C.
1k
N.C.
N.C.
MS_IN
EXT_IN
XSYS_RST
R124
C123 1k XNAND_RST
0.0022u
CL106 TESTPIN
CL107
TESTPIN
GND
BACK_UP_VCC
C117
N.C.
0.1u
R119 R102
470k 470k XRESET_REQ
Q101
2.9
0
6 3
EMH3T2R
0 INVERTER
2
5
1 4
CL123 CL122 R105
47k
7 8 9
IC103
RESET
3.1
Out
IC103
Vss
C122
XX
R120
220k
2 4
C118
0.1u
C109
1 3
0.0047u
R109
47k
R110
47k
CL109
CL111
H2 J1 D7 F7 F9 F8 G8 G9 H9 H8 J9 J8 H7 J7 G6 H6
C119
0.1u
1 2
3 4
TESTPIN
CL113
BACK_UP_VCC
32KHZ_IN
32KHZ_OUT
v
VSS
N.C.
IC101
N.C.
SYSTEM CONTROL N.C.
N.C.
N.C.
IC101
N.C.
MB89083LGA-G-132-ERE1
DDC2P9_EN
DDC1P8_EN
DDC1P2_EN
XUSB_JACK
DDCPV_EN
B2 B1 C2 C1 D3 D1 D2 E1 E2 H3 J3 J2 G4 A9 B9 C8
C103 C104
0.1u 0.01u
4-19
10 11 12
Note: BT001 (lithium battery) is not included
in the DD-272 complete board.
R116
47k
R114
47k
R125
0
D101 R117 R118
MA2SD32008S0 470 33
IC102
NJU7287ARB1(TE2)
3
VSS VRO
3.1 4.9
C111
VCH VIN
0.1u
2.8 3.1
VBAT VOUT
3 3
CS XRESET
IC102
C110 C108
C114 C120
47u XX
0.0022u
XX
6.3V 10V
BATTERY CHECK
D_3.0V
D_1.8V
C112
9p
X101
32.768kHz
R112
C113
10M R113
15p
68k
CL124
13 14
BTOO1
(LITHIUM BATTERY)
(SECONDARY)
BH1O1
BATTERY
HOLDER
D_3.0V
(1/3)
D_1.8V
DDC2P9_EN
DDC1P8_EN
@104
DDC1P2_EN
(1/3)
DDCPV_EN
1.2V_INT
DD-272 (2/3)