Sony DSC-T90 (serv.man3) Service Manual ▷ View online
3-3
DSC-T90_L2
3-3. POWER BLOCK DIAGRAM (1/2)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
L007
BATTERY
DETECTOR
(7/9)
IC204
DC/DC CONVERTER, FRONT CONTROL (8/9)
IC001
SY-226 BOARD (1/2)
BT-044
FLEXIBLE
BOARD
FLEXIBLE
BOARD
CONTROL
SWITCH
BLOCK (RL61230)
SWITCH
BLOCK (RL61230)
Q001, Q002
F001
XACV_DET
BATT_UNREG
ACV_UNREG
XACV_IN
D001
D002
CN705
MULTI
MULTI
CONNECTOR
CN704
23, 25
19
3 - 5
7 - 10
6
BATT_UNREG
BATT_SIG
BATT_GND
BATT_SIG
XDIRECT_PB
TXRX
E4
UNREG
L10
DDC2P9_VIN1
C1
DDC2P9_VIN2
C2
DDC1P2_VIN1
L7
DDC1P8_VIN1
L4
XRESET B2
XPWR_ON1
D9
XPWR_ON3
D10
UNREG_MON
J7
MS_PWR_ON
XPWR_ON
XPWR_ON
XDIRECT_PB
BATT_SENS
MS_PWR_ON
XDD_SYS_RST
XDD_SYS_RST
H9
P144_SOA0 D5
DDC5_LX_1
C9
XDDC5_PSW_EN G9
DDC5_LX_2
C10
DDC5_VOUT1 B9
DDC5_VOUT2 A9
DDC5_FB C8
P143_SIA0 C5
P142_XSCKA0 B5
P120_INTP0
IC_204_SI
IC_204_SO
XIC_204_SCK
XCS_IC_204
B1
F002
ST_UNREG
CAM_13V
D_3.1V
D_3.1V
D_3.1V
D_3.1V
MS_VCC
MS_VCC
M_5.0V
D005
05
EVER_CP_VIN
L9
D_3.1V
L008
MEMORY
STICK
DUO
CN702
9
POWER (2/2)
(PAGE 3-4)
D
POWER (2/2)
(PAGE 3-4)
C
POWER (2/2)
(PAGE 3-4)
B
POWER (2/2)
(PAGE 3-4)
A
XPWR_OFF
F10
XRESET_REQ
XPWR_OFF
XRESET_REQ
F9
XCE
H8
XCS_DD
SCLK
H4
SI
XBB_SCK
BB_SO
K11
SO
J10
BB_SI
DDC1P2_VIN2
K6
DDC1P8_VIN2
K3
Q006
B+ SWITCH
DDC5_LX_3
C11
DDC12_POUT H2
DDCM7P5_VIN G1
L003
DDC12_LX J1
DDC12_PIN
H1
DDC12_FB G3
DDCBL_LX D1
DDCBL_FB C3
DDC2P9_VOUT1 B5
DDC2P9_VOUT2 A4
D_1.2V
A_3.1V
AVDD5 B8
DDC1P2_LX2 K5
DDC2P9_FB C5
DDC1P2_LX1 L6
DDC1P2_FB H3
MS_PSW_VOUT B6
CAM_3.5V
LDO3P4_VOUT A8
VL_3V
DDC1P8_LX1 L3
DDC1P8_LX2
DDC1P8_FB
K1
J3
D_1.85V
DDR_1.8V
L005
L006
Q005
R055, R056
CAM_-7.5V
BL_H
DDCM7P5_LX F1
DDCM7P5_FB G2
D006
D004
L001
F003
BACKUP_VCC H10
DDCBL_VL D4
BL_L
XSYS_RESET
J8
+
–
BH001
BATTERY
TERMINAL
S
LDO1P8_VOUT J6
DDC1P8_PSW_EN F3
SE001
MAGNETIC SENSOR
LENS COVER DETECT
B1
OUT
LDO3P1E_VOUT J5
XPWR_ON2
XLV_ON
XLV_ON
E9
CN712
5
7
D001
(ON/OFF)
ON/OFF
S002
S001
1
Q004
R007
DDCM7P5_DISCHARGE E2
3-4E
DSC-T90_L2
3-4. POWER BLOCK DIAGRAM (2/2)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
XACV_IN
IC_204_SI
IC_204_SO
XIC_204_SCK
XCS_IC_204
CLOCK
GENERATOR
(7/9)
IC203
AUDIO/VIDEO
AMP
(6/9)
IC501
Z_PI_K/E
D_3.1V
CN401
F_PI_A
LENS BLOCK
FOCUS
RESET
SENSOR
ZOOM
RESET
SENSOR
D003
ST_UNREG
ST_UNREG
CAM_3.5V
T001
FLASH
UNIT
(FL61210)
L001
FLASH CONTROL,
CHARGE CONTROL
IC001
AF_ANODE
CAM_13V
CAM_-7.5V
CAM_13V
CAM_-7.5V
D_3.1V
XDD_SYS_RST
XDD_SYS_RST
XZM_RST_LED
XZM_RST_LED
CN301
12M
CCD IMAGER
IC001
BUFFER
IC002
CD-743 FLEXIBLE
BOARD
BOARD
12
14
3.0 inch
COLOR
LCD
UNIT
LCD901
BL901
BACKLIGHT
CN709
CN701
ST-199 FLEXIBLE BOARD
D706
(MS ACCESS)
3
22
23
8
2
6, 7
BL_L
BL_H
BL_L
BL_H
45
44
14
D_3.1V
XRESET
VDD (3.0V)
VDDL (1.8V)
D_3.1V
D_3.1V
D_1.85V
BT901
LITHIUM
BATTERY
M_5.0V
M_5.0V
D_3.1V
D_1.85V
D_1.85V
D_1.85V
M_5.0V
IC401
LENS DRIVE,
OPTICAL
IMAGE
STABILIZATION
DRIVE
(2/9)
IC201
CPU,
CAMERA DSP,
AV SIGNAL PROCESS,
LENS CONTROL,
MODE CONTROL
(3/9 - 5/9)
SE401
PITCH/YAW
SENSOR
21
Z_PI_A
30
29
SIO4_TXD W22
L301
L702
L201
R712
L302
FB304
FB303
CCD SIGNAL
PROCESS,
TIMING GENERATOR
(1/9)
IC301
RSTB
J12
2.3V REG
(1/9)
IC303
4
3
2.8V REG
(2/9)
IC403
A_3.1V
IC_401_2.8V
IC_401_2.8V
IC_401_2.8V
D_3.1V
D_1.2V
M_5.0V
XDD_SYS_RST
XDD_SYS_RST
XDD_SYS_RST
XDD_SYS_RST
XDD_SYS_RST
XIC_401_2_RST
XIC_401_2_RST
Vdd
CE
3
4
Vout 1
XDL
E7
GPIO_S_9
AC13
RESET_N
E8
D_1.2V
SY-226 BOARD (2/2)
05
A_3.1V
DDR_1.8V
D_1.85V
D_1.85V
D_3.1V
GPIO_S_12
AB15
XRESET_REQ
XPWR_OFF
XRESET_REQ
AH16
XRESET_SYS_IN
AJ16
CLK_EXTIN_2
W15
SIO1_RXD
AB20
SIO1_TXD
AB21
SIO1_SCK
AC21
SIO1_SCS
AC20
POWER (1/2)
(PAGE 3-3)
B
POWER (1/2)
(PAGE 3-3)
D
GPIO_S_6
MS_PWR_ON
AB12
ADC_IN6
BATT_SENS
AF16
POWER (1/2)
(PAGE 3-3)
A
POWER (1/2)
(PAGE 3-3)
C
D_1.2V
ST_UNREG
D_3.1V
A_3.1V
CAM_-7.5V
CAM_13V
BL_H
BL_L
M_5.0V
DDR_1.8V
VL_3V
D_1.85V
MS_VCC
MS_VCC
D004
AF ILLUMINATOR/
SELF-TIMER
R473
R472
1
CE
VDD VOUT
R226
VL_3V
BATTERY+
VL_3V
SIO4_SCS
W23
XCS_DD
SIO2_SCK
AB22
SIO2_TXD
XBB_SCK
BB_SO
AC23
SIO2_RXD
AB23
BB_SI
R203
L501
FB201
CAM_3.5V
D_3.1V
D_1.85V
M_5.0V
CAM_3.5V
D_3.1V
D_3.1V
D_1.85V
M_5.0V
CAM_3.5V
CAM_3.5V
CAM_3.5V
CAM_3.5V
4-1
DSC-T90_L2
4-1. FRAME SCHEMATIC DIAGRAM
FRAME
4. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
S
BH001
BATTERY
TERMINAL
CN401
CN301
CN704
CN707
CN709
CN711
CN712
MIC501
23
8
13
9
23
8
13
9
1
10
1
6
2
1
44
45
1
6
1
10
MIC501
(MICROPHONE)
1
10
12
11
1
14
CN701
2
26
1
25
CN705
ST-199 FLEXIBLE BOARD
FLASH UNIT
(FL61210)
BT901
LITHIUM BATTERY
C901
CHARGING
CAPACITOR
C902
CHARGING
CAPACITOR
1
14
BT-044 FLEXIBLE
BOARD
BOARD
1
10
1
39
IC001
(Not supplied)
LEVEL3
CD-743 FLEXIBLE BOARD
LENS BLOCK
CONTROL
SWITCH
BLOCK
(RL61230)
BL901
BACKLIGHT
TOUCH
PANEL
LCD901
3.0 inch
COLOR
LCD UNIT
SP901
(SPEAKER)
(MULTI CONNECTOR)
CN702
MEMORY STICK
CONNECTOR
LEVEL3
SY-226 BOARD (SIDE B)
LEVEL3
SY-226 BOARD (SIDE A)
IC201
(Not supplied)
4-2. SCHEMATIC DIAGRAMS
DSC-T90_L2
BT-044 FLEXIBLE BOARD (BATTERY IN)
CONTROL SWITCH BLOCK (RL61230)
ST-199 FLEXIBLE BOARD (FLASH DRIVE)
Link
Link
COMMON NOTE FOR SCHEMATIC DIAGRAMS
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