Sony DSC-P72 (serv.man2) Service Manual ▷ View online
DSC-P72
COVER
COVER
3. BLOCK DIAGRAMS
3. BLOCK DIAGRAMS
3-3. FRONT/LCD BLOCK DIAGRAM
3-5
3-6
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
SY-85 BOARD (2/2)
IC401
FRONT
CONTROL
SYS V
32
17
PWR LED ON
LED
DRIVE
Q402(2/2)
(6/10)
2
CAMERA
BLOCK
(PAGE 3-4)
(PAGE 3-4)
(PAGE 3-4)
(PAGE 3-4)
(PAGE 3-4)
XRST SYS
77
FR SI
23
FR SO
24
XFR SCK
25
XCS MC
26
MC WAKEUP
80
XCS LCD
44
XMC HELP
36
4
CAMERA
BLOCK
SYS V
XRST SYS
FR SI
FR SO
XFR SCK
XCS MC
XMC NMI
MC UPDATA
MC HELP
MODU-
LATOR
Q403
Q401
MS IN
6
XMS IN
Q402(1/2)
XUSB JACK IN
9
USB JACK IN
AV JACK IN
11
AV JACK IN
6
CAMERA
BLOCK
SELF TIMER LED
19
SELF TIMER LED
BEEP ON
49
BEEP ON
MELODY
79
BEEP
MELODY ENV
74
X1 IN
28
X1 OUT
29
7
CAMERA
BLOCK
X2 IN
52
X2 OUT
51
X401
10MHz
X402
32.768kHz
S002
S003
(SHUTTER)
D2.9V
(POWER)
D002
10
5
3
1
CN705
RL-059
(FLEXIBLE)
SW-391 (2/3)
(FLEXIBLE)
34
36
CN702
(2/3)
FUNCTION
KEY
S100,104
S107,110
S107,110
33
FUNCTION
KEY
S101,103
S105,108
S105,108
RESET
S109
ZOOM
S102
S106
T
W
35
4 MODE
DIAL
MODE SW
38
5
BT100
LITHIUME
BATTERY
IC402
INITIAL RESET
BACKUP VCC
3
VBAT
5
RESET
7
VIN
1
XPWR ON
4
XSHTR ON
5
XAE LOCK ON
55
KEY AD0
54
MODE DIAL
73
XRESET
75
XSTB SAVE
56
KEY AD1
58
KEY AD3
EVER 4V
34
XSTB FULL
46
STB CHG
IC501
IGBT
DRIVER
FLASH
CHARGE DET
Q505
3
CN704
10
12
TRANS
DRIVE
Q503
Q504
Q504
Q501,502
4
2
T501
CN501
D502
9
4
1
L501
XE H
TRIGGER
XE L
FLASH
UNIT
3
10
12
9
4
1
FP-643
(FLEXIBLE)
ST-82
BOARD
Q506
ST UNREG
XSTB PWR SAVE
STB CHARGE
XSTB FULL
STB ON
STB ON
ST UNREG
3
CAMERA
BLOCK
1
CAMERA
BLOCK
47
PANEL R
PANEL G
PANEL B
R IN
48
46
40
39
41
G IN
B IN
SI
XSCK
XCS
PANEL V
HDO
RST SYS
XCAM SO
XCAM SCK
8
CAMERA
BLOCK
OP IN+
8
OP IN-
9
BIAS
7
PSIG
DRIVE
FILTER
OP OUT
10
BGP
33
VCO
11
OSC
D802
C819
L804
C819
L804
PRG
31
FRP
30
PFRP
29
XC SAVE
38
XP SAVE
45
BLACK IN
32
SH R
2
SH G
3
SH B
4
SH A
5
20
VR
22
VG
24
VB
12
COM DC
27
VP
35
EXT DA
Q802,804
29
RPD
27
OSCI
26
OSCO
35
SH R
34
SH G
33
SH B
32
SH A
37
XCLP
39
SBLK
38
PRG
40
FRP
41
PFRP
28
XC SABE
25
XSTB
IC801
LCD
DRIVER
IC802
LCD TG
(5/10)
(5/10)
SO
45
XSCK
42
XCS
44
XVD
48
HD
1
XCLR
36
SI
46
XCS PANEL TG
5
CAMERA
BLOCK
VG
V COM AD
15
RGT
16
HCK1
17
HCK2
18
HST
20
WIDE
21
DWN
22
EN
23
VCK
24
VST
24
CN702
(3/3)
26
21
20
17
16
11
9
10
8
23
25
7
22
SW-391 (3/3)
(FLEXIBLE)
4
2
7
8
12
13
19
21
20
5
3
23
6
CN102
VR
VG
VB
COM
PSIG
HCK1
HCK2
HST
WIDE
DWN
EN
VCK
VST
22
RGT
PANEL UNIT
LCD901
COLOR
LCD
MONITOR
ND901
BACK LIGHT
30
29
4
3
CN101
BL H
BL THL
PWM
9
9
POWER
BLOCK
BL ON
BL LEVEL
BL H
BL THL
LED
DRIVE
16
CHARGE/STB
Q701(2/2)
15
XTALLY LED
D2.9V
D702
(TALLY)
(INDEX)
(6/10)
D704
(FLASH CHARGE)
(PAGE 3-4)
(PAGE 3-4)
(PAGE 3-4)
(PAGE 3-7)
POWER
AUDIO SIGNAL
DSC-P72
COVER
COVER
3. BLOCK DIAGRAMS
3. BLOCK DIAGRAMS
3-4. POWER BLOCK DIAGRAM
3-7
3-8E
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
Q002
IC001
DC/DC CONVERTER
36
OUT1-P
D002
D003
D003
CHARGE
SWITCH
BATT /XETX
F001
VCC1
56
55
V-IN1
37
OUT1-N
L006
34
OUT2-P
58
OVP2
35
OUT2-N
32
OUT3-P
54
V-IN3
33
OUT3-N
30
OUT4-P
53
V-IN4
31
OUT4-N
23
OUT9-N
80
-IN9
1
-IN (S) 9
4
AMP IN
38
OUT5-P
52
V-IN5
39
OUT5-N
RST
47
UNREG SCK
CONT
57
SYS DD ON
DC IN
BATTERY
TERMINAL
BT901
SY-85 BOARD
CN701
BATT UINREG
CN001
J101
ACV UNREG
BATT/ XEXT
FAST CHARGE
F003
ST UNREG
61
V+IN2
20
VCC5
28
OUT6-P
50
V-IN6
29
OUT6-N
DATA
45
CLK
46
UNREG SO
M5V
ACV UNREG
JK-252 (1/2)
(FLEXIBLE)
30
24
29
31
37
ACV GND
F007
2
1.
4
3.
Q001
BATT UNREG
Q006
Q007
Q007
1
4
2
3
S1
G1
S1
D1
8
5
7
6
S2
G2
S2
D2
Q005
F005
SWITCHING
Q012,018
41
VCC2
1
2
IC003
BATT
DET
SWITCHING
Q021,022
ST UNREG
ACV UNREG
BATT UNREG
D014
D013
L009
L010
L010
1
5
IC004
DC/DC
CONV
2
L011
D016
D009
L007
SWITCHING
Q013,019
22
OUT10
-IN10
AMP OUT
19
VCC4
L008
SWITCHING
Q016
43
OUT5-S
42
VCC3
SWITCHING
Q020,024
L005
Q025
SWITCHING
Q017,023
L003
Q026
18
OUT6-S
SWITCHING
Q015
L002
D020
5
3
SWITCHING
Q011
SWITCHING
Q014,027
Q010
L001
BACK LIGHT
SWITCHING
Q003
60
V-IN2
D004
BL H
BL L
BL THH
BL THL
BL LEVEL
48
ON/OFF2
BL ON
XCS DD CON
XCS
44
CAM 15V
CAM -7.5V
PANEL 13.2V
A4.9V
D3.1V
D2.9V
D1.5V
DD CON SENS
A2.9V
PANEL 2.9V
EVER 4.0V
IC401
FRONT
CONT
IC901
CAMERA
MODULE
MODULE
Q905
(1/2)
L601
FB906
Q906
(1/2)
Q905
(2/2)
Q906
(2/2)
FB902
FB903
FB905
FB904
L903
L902
L901
L351
FB351
IC351
CCD
IMAGER
IC781
CLOCK
GEN.
FB781
IC201
D/A
CONV.
IC203
7ch LENS
DRIVER
L202
L501
L201
IC202
AMP
14
ZOOM
SENSOR
PITCH
FOCUS
SENSOR
11
19
Q201
CN201
Z POSI VCC
FRST VCC
Z RST VCC
LENS ASSY
IC301
CAMERA
DSP
FB302
FB303
FB301
XLENS RST LED
IC501
MC CAM
SH DSP
FB501
FB503
CAM DD ON
FB502
L503
L502
L302
MS POWER ON
IC502
EEPROM
L203
BATT /XETX
FAST CHARGE
UNREG SCK
SYS DD ON
EVER 3.0V
UNREG SO
XCS DD CON
L401
IC402
INTIAL RESET
BACKUP VCC
XRESET
EVER 3.0V
BATT IN
BACKUP VCC
SW-391
(FLEXIBLE)
BT100
LITHIUME
BATTERY
LI3V
9
LCD
DRIVER
(PAGE 3-5)
IC601
VIDEO
AMP
L152
IC151
AUDIO
AMP
L163
AU 2.9V
IC801
LCD
DRIVER
L803
L801
IC802
LCD
TG
L802
P OFF
REF
VOL
D805
Q810
Q805
D806
D803
12
14
19
18
CN702
VDD
VDDG
CREXT
VREF
18
16
9
11
PANEL UNIT
LCD901
COLOR
LCD
MONITOR
ND901
BACK LIGHT
31
28
6
1
CN101
BL L
BL THH
CN102
Q702
IC501
IGBT
DRIVER
9
CN704
10
12
CN501
2
T501
FLASH
UNIT
9
10
12
2
FP-643
(FLEXIBLE)
ST-82 BOARD
ST UNREG
M5V
Q703
Q501,502
STB CHARGE
CN701
1
3
JK-252(2/2)
(FLEXIBLE)
MS
PORT
Q702
D701
2
STB CHARGE
STB CHARGE
CN706
6
5.
3
2.
D001
UA-002
(FLEXIBLE)
A4.9V
SWITCH
Q004,009
L001
5
(8/10)
(8/10)
(9/10)
(4/10)
(2/10)
(2/10)
(2/10)
(3/10)
(4/10)
(1/10)
(1/10)
(4/10)
(3/10)
(5/10)
(5/10)
(6/10)
(6/10)
(7/10)
(SELF-TIMER /
AF ILLUMINATOR)
AF ILLUMINATOR)
DSC-P72
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
4-3. PRINTED WIRING BOARDS
4-2. SCHEMATIC DIAGRAMS
4-3. PRINTED WIRING BOARDS
4-1
4-2
4-1. FRAME SCHEMATIC DIAGRAM (1/2)
FRAME SCHEMATIC DIAGRAM (1/2)
SECTION 4
PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
4P
CN001
1
BATT_UNREG
2
BATT_UNREG
3
BATT_GND
4
BATT_GND
S002
27P
CN201
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
12P
CN704
1
STRB_ON
2
M_5V
3
XSTB_PWRSA
VE
4
XSTB_FULL
5
REG_GND
6
REG_GND
7
REG_GND
8
REG_GND
9
STB_CHARGE
10
ST_UNREG
11
ST_UNREG
12
ST_UNREG
12P
CN501
1
STRB_ON
2
M_5V
3
XSTB_PWRSA
VE
4
XSTB_FULL
5
REG_GND
6
REG_GND
7
REG_GND
8
REG_GND
9
STB_CHARGE
10
ST_UNREG
11
ST_UNREG
12
ST_UNREG
10P
CN705
1
XAE_LOCK_SW
2
N.C.
3
XSHTR_ON
4
N.C.
5
XPWR_ON
6
N.C.
7
REG_GND
8
N.C.
9
EVER_3.0V
10
PWR_LED
10P
CN706
1
MIC_GND
2
MIC_GND
3
MIC_IN
4
MIC_GND
5
AF_LED_4.9V
6
AF_LED_4.9V
7
PRELAMP_AF_ON
8
PRELAMP_AF_ON
9
REG_GND
10
REG_GND
1
A
FP-643
CONTROL SWITCH
BLOCK(RL-059)
BLOCK(RL-059)
ST-82 BOARD
POWER
OVF_NZM
SHUTTER-
FOCUS_B
ZOOM_B
F_RST_VCC
Z_RST_GND
IRIS_S_+
SHUTTER-
Z_RST_VCC
TEMP_OUT
IRIS_M_-
FOCUS_B
ZOOM_A
TEMP_GND
F_RST_GND
SHUTTER+
IRIS_M_+
FOCUS_A
Z_POSI_GND
FOCUS_A
Z_RST_SENS
ZOOM_A
Z_POSI_VCC
F_RST_SENS
ZOOM_B
IRIS_S_-
Z_POSI_OUT
SUTTEER+
LENS BLOCK
UA-002 UNIT
MIC901
FLEXIBLE
FLASH UNIT
SY-85 BOARD(1/2)
BT901
BATTERY TERMINAL
(DRY BATTERY)
BATTERY TERMINAL
(DRY BATTERY)
16
9
G
K
E
8
15
F
5
J
C
14
3
7
11
4
17
13
I
2
B
6
10
16
12
L
D
H
DSC-P72
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
4-3. PRINTED WIRING BOARDS
4-2. SCHEMATIC DIAGRAMS
4-3. PRINTED WIRING BOARDS
4-3
4-4
FRAME SCHEMATIC DIAGRAM (2/2)
FRAME SCHEMATIC DIAGRAM (2/2)
CN101
5P
1
VCC
2
D-
3
D+
4
ID
5
GND
S102 1
3
2
4
S100
1
3
2
4
S110
1
3
2
4
S109
S104
1
3
2
4
S108
1
3
2
4
S106 1
3
2
4
S101
1
3
2
4
S103
1
3
2
4
S105
1
3
2
4
S107
1
3
2
4
6P
CN101
1
BL_THH
2
N.C.
3
BL_THL
4
BL_H
5
N.C.
6
BL_L
CN102
24P
N.C.
1
RGT
2
B3
R4
G5
PSIG
6
HCK1
7
HCK2
8
CRext
9
N.C.
10
REF
11
HST
12
WIDE
13
SL
VSSG
14
VVSSG
15
VDDG
16
VSS
17
VDD
18
DWN
19
EN
20
VCK
21
VST
22
COM
23
N.C.
24
39P
CN701
1
MS_VSS
2
MS_VCC
3
MS_VCC
4
MS_SCLK
5
XMS_IN
6
MS_DIO
7
N.C.
8
N.C.
9
MS_BS
10
MS_VSS
11
MS_VSS
12
AV_GND
13
AU_OUT
14
AV_GND
15
AV_JACK_IN
16
AV_GND
17
V_OUT
18
AV_GND
19
USB_JACK_IN
20
USB_GND
21
USB_DATA-
22
USB_DATA+
23
USB_GND
24
ACV_UNREG1
25
ACV_UNREG1
26
ACV_UNREG1
27
ACV_UNREG1
28
ACV_UNREG1
29
ACV_UNREG1
30
BATT/XEXT
31
ACV_GND
32
ACV_GND
33
ACV_GND
34
ACV_GND
35
ACV_GND
36
ACV_GND
37
ACV_GND
38
STATIC_GND
39
STATIC_GND
39P
CN702
1
REG_GND
2
SP-
3
SP+
4
REG_GND
5
LI_3V
6
REG_GND
7
COM
8
VST
9
VCK
10
EN
11
DWN
12
VDD
13
REG_GND
14
VDDG
15
REG_GND
16
WIDE
17
HST
18
REF
19
CREXT
20
HCK2
21
HCK1
22
PSIG
23
VG
24
VR
25
VB
26
RGT
27
REG_GND
28
BL_THH
29
BL_THL
30
BL_H
31
BL_L
32
REG_GND
33
KEY_AD1
34
KEY_AD0
35
MODE_DIAL
36
KEY_AD3
37
REG_GND
38
XRST_IN
39
REG_GND
10P
1
MS_VSS
2
MS_BS
3
N.C.
4
MS_DIO
5
N.C.
6
XMS_IN
7
N.C.
8
MS_SCLK
9
MS_VCC
10
MS_VSS
J102
1
A
39P
1
REG_GND
2
SP-
3
SP+
4
REG_GND
5
LI_3V
6
REG_GND
7
COM
8
VST
9
VCK
10
EN
11
DWN
12
VDD
13
REG_GND
14
VDDG
15
REG_GND
16
WIDE
17
HST
18
REF
19
CREXT
20
HCK2
21
HCK1
22
PSIG
23
VG
24
VR
25
VB
26
RGT
27
REG_GND(N.C.)
28
BL_THH
29
BL_THL
30
BL_H
31
BL_L
32
REG_GND
33
KEY_AD1
34
KEY_AD0
35
MODE_DIAL
36
KEY_AD3
37
REG_GND
38
XRST_IN
39
REG_GND
1
MS_VSS
2
MS_VCC
3
MS_VCC
4
MS_SCLK
5
XMS_IN
6
MS_DIO
7
N.C.
8
N.C.
9
MS_BS
10
MS_VSS
11
MS_VSS
12
AV_GND
13
AU_OUT
14
AV_GND
15
AV_JACK_IN
16
AV_GND
17
V_OUT
18
AV_GND
19
USB_JACK_IN
20
USB_GND
21
USB_DATA-
22
USB_DATA+
23
USB_GND
24
ACV_UNREG1
25
ACV_UNREG1
26
ACV_UNREG1
27
ACV_UNREG1
28
ACV_UNREG1
29
ACV_UNREG1
30
BATT/XEXT
31
ACV_GND
32
ACV_GND
33
ACV_GND
34
ACV_GND
35
ACV_GND
36
ACV_GND
37
ACV_GND
38
STATIC_GND
39
STATIC_GND
JK BLOCK
(JK-252)
(JK-252)
SY-85 BOARD
(2/2)
(2/2)
A/V OUT
(MONO)
(MONO)
DC IN
J101
(USB)
MEMORY
STICK
CONNECTOR
STICK
CONNECTOR
MEMORY STICK
CONTROL SWITCH BLOCK
(SW-391)
(SW-391)
4MODE
DIAL
DIAL
RESET
T
ZOOM
W
BT100(LITHIUM BATTERY)
(RIGHT/MACRO)
(DOWN/
SELF TIMER)
(SET)
(UP/FLASH)
(LEFT/QUICKREVIEW)
(LCD STATUS/
LCD ON-OFF)
LCD ON-OFF)
(IMAGE SIZE/DELETE)
MENU
SP901
SPEAKER
SPEAKER
SP+
SP-
LCD901
COLOR LCD
MONITOR
COLOR LCD
MONITOR
ND901
BACK-LIGHT
BACK-LIGHT
10
G
H
5
13
6
E
3
8
B
12
D
C
9
2
4
7
I
F
11
15
14
16
(INDEX)
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