Sony CyberShot DSC-P72 Service Manual page 6

COVER
COVER
3-3. FRONT/LCD BLOCK DIAGRAM
SY-85 BOARD (2/2)
IC401
FRONT
CONTROL
SYS V
CAMERA 32 SYS V PWR LED ON
2
BLOCK XRST SYS
77 XRST SYS
(PAGE 3-4)
FR SI
23 FR SI
FR SO
FR SO
24 XPWR ON
XFR SCK
25 XFR SCK
CAMERA
XCS MC
4
26 XCS MC XSHTR ON
BLOCK
XMC NMI
(PAGE 3-4) 80 MC WAKEUP XAE LOCK ON
MC UPDATA
44 XCS LCD
MC HELP
XMC HELP
36
XTALLY LED
Q401
XMS IN
6 MS IN
CHARGE/STB
Q402(1/2)
CAMERA USB JACK IN
6
9 XUSB JACK IN
BLOCK
(PAGE 3-4)
AV JACK IN
AV JACK IN
11
SELF TIMER LED
19 SELF TIMER LED
BEEP ON
CAMERA 49 BEEP ON
7
BLOCK
Q403
(PAGE 3-4)
BEEP MODU-
79 MELODY
LATOR
74 MELODY ENV
MODE DIAL
28 X1 IN
X401
10MHz
29 X1 OUT
52 X2 IN
X402
32.768kHz
51 X2 OUT
XSTB SAVE
XSTB FULL
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
RL-059
(6/10)
(FLEXIBLE)
D002
Q402(2/2) (POWER)
CN705
LED
D2.9V
17 10
DRIVE
S002
POWER
5
1
4 3
5 1
S003
(SHUTTER)
D2.9V
D702
15
(TALLY)
Q701(2/2)
SW-391 (2/3)
LED D704
16
(FLEXIBLE)
DRIVE (FLASH CHARGE)
S100,104
S107,110
CN702
(2/3)
FUNCTION
KEY AD0 34
55
KEY
S101,103
S105,108
FUNCTION
KEY AD1 56 33
KEY
KEY AD3 58 36
S102 S106
W ZOOM T
(INDEX)
MODE SW
4 MODE
54 35
DIAL
XRESET 73 38
S109
RESET
IC402 (6/10)
INITIAL RESET
BACKUP VCC
RESET 5
VBAT 3 5
BT100
VIN 7 EVER 4V LITHIUME
BATTERY
CN704
10
ST UNREG
ST UNREG
12
FP-643
(FLEXIBLE)
XSTB PWR SAVE
75 3
STB CHARGE
STB CHG 46 9
XSTB FULL
34 4
CAMERA
STB ON STB ON
3
1
BLOCK
(PAGE 3-4)
3-5
3. BLOCK DIAGRAMS 3. BLOCK DIAGRAMS
PANEL R R IN
48
PANEL G G IN
47
PANEL B B IN
46
CAMERA
1
PANEL V
BLOCK
(PAGE 3-4)
HDO
RST SYS
XCAM SO SI
CAMERA 40
8
XSCK
BLOCK XCAM SCK
39
(PAGE 3-4)
XCS
41
8 9
45 SO
46 SI
42 XSCK
48 XVD
1 HD
36 XCLR
XCS PANEL TG
44 XCS
9 PWM
CAMERA
5
BLOCK
VG
(PAGE 3-4)
V COM AD
BL ON
BL LEVEL
POWER BL H
9
BLOCK
(PAGE 3-7)
BL THL
CN501
Q501,502 T501 D502
10
XE H
12 Q503
Q504
TRANS
DRIVE
L501
TRIGGER
3
Q505
9
XE L
FLASH
CHARGE DET
4
IC501
IGBT
DRIVER
4 2
ST-82
1 Q506
BOARD
VR
20
(5/10)
VG
22
IC801
VB
24
LCD
DRIVER
COM DC
12
VP
27
EXT DA
35
7 10 11 2 3 4 5 33 32 31 30 29 38 45
D802
FILTER OSC C819
L804
29 27 26 35 34 33 32 37 39 38 40 41 28 25
RGT 15
HCK1 16
HCK2 17
(5/10)
HST 18
IC802
WIDE
20
LCD TG
DWN 21
EN 22
VCK 23
VST 24
FLASH
UNIT
3-6
DSC-P72
SW-391 (3/3)
PANEL UNIT
(FLEXIBLE)
CN702
CN102
(3/3)
VR
24 4
VG
23 5
VB
25 3
COM
7 23
LCD901
Q802,804
COLOR
PSIG
PSIG
LCD
22 6
DRIVE
MONITOR
RGT
26 2
HCK1
21 7
HCK2
20 8
HST
17 12
WIDE
16 13
DWN
11 19
EN
10 20
VCK
9 21
VST
8 22
ND901
BACK LIGHT
CN101
BL H
30 4
BL THL
29 3
AUDIO SIGNAL