Overall Block Diagram (1/2) - Sony Cybershot DSC-T20 Service Manual

3-2. OVERALL BLOCK DIAGRAM (2/2)
SY-170 BOARD (2/2)
IC203
(2/2)
CAMERA DSP,
LENS CONTROL,
MODE CONTROL,
FRONT CONTROL
(3/8, 4/8)
: VIDEO SIGNAL
: AUDIO SIGNAL
: VIDEO/AUDIO SIGNAL
ST-161 BOARD
T001
D001
XE_H
4 1 ST_UNREG
+
TRIGGER
3 2
FLASH
TRIGGER_GND
UNIT
C901
CHARGING
CAPACITOR
XE_L
15
Q001
7
FLASH
DRIVE
08
DSC-T20/T25_L2
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
MSX_BS, MSX_D0 - MSX_D3, MSX_CLK
2
OVERALL (1/2)
(PAGE 3-1)
IC203_AUOUT
AE8
IC203_AUIN
AF8
XCS_AUDIO
V8
Q201
A_3.0V
XHD_EN Q202, Q203, Q204
V7
IC203_CVOUT
AB13
VOUT_1
AF12 MUTE
VOUT_2
AC12
IC203_1_UO, IC203_1_UI
XVA_JACK_IN
G9
USB_DP, USB_DM
XACV_IN
K8
XCS_FR
A23
XPWR_OFF XPWR_OFF
G8
XIC203_RST_REQ XIC203_RST_REQ
W12
IC203_0_SI, IC203_0_SO, XIC203_0_SCK
3
OVERALL (1/2)
(PAGE 3-1)
IC002
8
DC/DC CONVERTER
D706 (1/8)
MS ACCESS
LED Q010, Q012
1.8V SW_1P8_EN
SELECT SW
H8
Q003
DDC5PSW_EN
XPWR_LED 5V LOAD SW
Y9
X_SHUT_SW
R19 Q006
XAE_LOCK_SW
N19
KEY_AD_1 SW
AC8
KEY_AD_2
AF6 Q007
DISW1P8_EN
1.8V/3.0V
DISW2P9_EN
DISCHARGE
AF_LED_CONT
G15
XSTRB_FULL Q014
H9
STRB_CHG
V2 SW
STB_CHG_CONT
H15
STRB_ON1
Y16
IC006
1
LCD POWER REG
(1/8)
IC003
LDO_1P8_EN
1
1.8V REG
(1/8)
ST-163 FLEXIBLE
BOARD
D002
SELF-TIMER/
AF ILLUMINATOR
CN701
Q704, Q707
XAF_LED
1
AF_ANODE AF_SW MAX_5.0V
2
AF_LED_CONT
IC001
XSTRB_FULL
9 5
FLASH STRB_CHG
10 7
CONTROL,
STB_CHG_CONT
CHARGE 6 8
CONTROL STRB_ON STRB_ON1
4 6
XDD_SYS_RST
IC203_2_SO, XIC203_2_SCK
IC203_AUOUT IC602
B6 V_LINE_OUT
F1
IC203_AUIN
AUDIO, VIDEO AMP
A6 AU_LINE_OUT
XCS_AUDIO E2
(8/8)
D6
IC203_CVOUT
F3 SP+, SP-
XCS_FR
E2
Q101
B9 MS_IN
C6
MEMORY STICK
A1
XUSB_JACK
D8 DETECT
CAMDD_EN, DDC1P2_EN,
DDC1P8_EN, DDC2P9_EN,
BL_EN1, VSU_EN
EVER_PSB
IC001
J9
DC/DC
J4
CONVERTER
X102
(1/8)
32.768KHz
J5
J1
S101
LENS COVER
DETECT
IC101
F7
POWER/ENABLE SIG
A8
CONTROLLER
(2/8)
BL_EN2
F8
IC103
B4
C2
XRSTX
D7 B2 BACKUP POWER A1
C1
REG
A2
(2/8)
DDCPV_EN
C9
PANEL_EN
B1
BATT_SIG
XDD_SYS_RST
OVERALL (1/2)
B4
(PAGE 3-1)
H2
XPWR_ON
B8
DIRECT_PB
B7
3-2
MSX_BS, MSX_D0 - MSX_D3, MSX_CLK
V_LINE_OUT
AU_LINE_OUT
IC203_YOUT
IC203_PBOUT
IC203_PROUT
IC203_1_UO, IC203_1_UI
XVA_JACK_IN
USB_DP, USB_DM
D003
XACV_DET
XMS_IN
USB_VBUS USB_VBUS
ACV_UNREG
8 D_1.8V
XPWR_ON
5 D_3.0V
BATT_UNREG
A_3.0V
D002
16 D_1.2V
21 CAM_-7.5V
MAX_5V
30 CAM_12V
AVC/BATT UNREG
Q004,
1
BL_H Q013
34
BL_L
OVERALL (1/2)
37
(PAGE 3-1)
VL_3V
TI_5.0V
EVER_3V
BATT_UNREG
BATT_SIG
4
CONTROL SWITCH BLOCK
(RL-073)
CN707 CN002
SP+, SP-
S001
POWER
XPWR_ON
4
D001
XPWR_LED
5 (POWER)
S002
CONTROL SWITCH BLOCK
(SHUTTER)
(SW-495)
XAE_LOCK_SW
S001
11
XSHUTTER_SW
10
CN001
DIRECT_PB
12 6
KEY_AD_1
13 4
S002
(ZOOM)
KEY_AD_2
15 2
CN704
MEMORY
STICK
DUO
XMS_IN
6
MC-177 FLEXIBLE
BOARD
CN705
V_OUT
24 20
A_OUT_L
22 16
HD_Y
26 24
HD_PB
14 4
HD_PR
12 2
UART_Tx, UART_Rx
CN001
MULTI
XAV_JACK_IN
28 26 CONNECTOR
USB_DP, USB_DM
BATT_XEXT
10 19
USB_VBUS
16 6
ACV_UNREG
XPOWER_ON
7 7
CHARGE_V
BT-034 FLEXIBLE
CN702
BOARD
VL_3V VL_3V
2
BT001
LITHIUM
BATTERY
BATT_UNREG
+
BH001
BATT_SIG
8 S BATTERY
TERMINAL
BATT_GND
−
SP901
SPEAKER
S003 S005 S007 S008
W MENU
(ZOOM) (REVIEW)
(SET)
S004 S006 S009 S010
T HOME
(FLASH) (MACRO) (SELF-TIMER)