Sony DSC-P3 Service Manual ▷ View online
DSC-P3
3-7
3-8
3-4. LENS MOTOR DRIVE BLOCK DIAGRAM
LENS
TEMP
SENSOR
FOCUS RESET
SENSOR
LENS BLOCK
3
4
5
5
Q203
D 3.2V
FOCUS RST
SENS VCC
TEMP OUT
05
LENS TEMP AD
PE EN0
PE DIR0A
PE DIR0B
XFC RST SENS
XLENS RST LED
1
SY-73 BOARD (3/6)
M
M
FOCUS
MOTOR
21
4
10
12
11
23
2
B1 FA
A1 FA
B2 FB
A2 FB
9
IN1
EN1
EN2
IN2
9
7
8
6
FOCUS A
FOCUS A
FOCUS B
FOCUS B
14
16
EN3
EN4
M
M
IRIS
METER
CN201
H
16
17
15
14
12
13
IC202
(1/2)
IRIS DRIVE
(SEE PAGE 4-21)
IC203
(2/4)
HALL BIAS CONTROL
(SEE PAGE 4-22)
IC203
(1/4)
IRIS DRIVE
(SEE PAGE 4-22)
+
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
1
2
3
IC203
(3/4)
HALL GAIN CONTROL
(SEE PAGE 4-22)
1
3
2
9
10
8
7
5
6
14
12
13
IRIS
DRIVE
Q201
D202
GAIN
CONTROL
Q202
IC202
(2/2)
IRIS DRIVE
(SEE PAGE 4-21)
IC203
(4/4)
HALL AMP
(SEE PAGE 4-22)
7
5
6
17
19
13
15
5
7
B4 ZB
B3 ZA
A3 ZA
A4 ZB
D 3.2V
IN3
IN4
DRIVE–
DRIVE+
BIAS+
HALL+
HALL–
BIAS–
HALL AD
HALL OFFSET
HALL GAIN
HALL REF
IRIS CONT2
IRIS CONT1
MSHUT ON
IC201
(SEE PAGE 4-21)
FOCUS
DRIVE
IRIS
(MECHA SHUTTER)
DRIVE
6
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
CAMERA BLOCK1
(SEE PAGE 3-4)
18
TO
CAMERA BLOCK2
(SEE PAGE 3-6)
CAMERA BLOCK2
(SEE PAGE 3-6)
DSC-P3
3-9
3-10
3-5. MODE CONTROL BLOCK DIAGRAM
33
6
16
34
19
21
95
96
20
39
80
38
12
73
97
75
76
78
79
32
14
77
11
10
25
24
7
8
86
35
18
4
3
SY-73 BOARD (4/6)
20
TO
LCD BLOCK
(SEE PAGE 3-13)
S003
(SHUTTER)
CN903
BT101
LITHIUM
BATTERY
(BACK UP)
D001
(POWER (GREEN) )
D952
(FLASH (AMBER) )
POWER
ON/OFF (CHG)
S004
MODE
DIAL
S005
S401
(RESET)
05
IC401
FRONT CONTROL
(SEE PAGE 4-28)
CN102
LED
DRIVE
Q404
3
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
CAMERA BLOCK1
(SEE PAGE 3-4)
14
TO
CAMERA BLOCK2
(SEE PAGE 3-6)
CAMERA BLOCK2
(SEE PAGE 3-6)
BATTERY
CHARGE
DETECTOR
IC402
INITIAL RESET
BACK UP VCC
(SEE PAGE 4-28)
5
7
3
D401
HI UNREG
EVER 3.2V
MODULATOR
Q402
S
+
–
13
TO
CAMERA BLOCK2
(SEE PAGE 3-5)
4
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
22
TO
AUDIO/VIDEO/
USB BLOCK
(SEE PAGE 3-11)
11
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
BT901
BATTERY
TERMINAL
21
TO
AUDIO/VIDEO/
USB BLOCK
(SEE PAGE 3-11)
DC IN
J652
XPWR LED ON
XPWR ON
XPB ON
XMOVIE
MODE DIAL
RESET
VBAT
8
VRO
VIN
STRB ON
XPRELAMP AF ON
STRB PHOTO ON
STRB AIN
X401
10MHz
XAE LOCK ON
XSHTR ON
XPWR LED ON
CHARGE/XSTB LED
XPWR ON
85 KEY AD3
XPB ON
MODE DIAL
STB CHG
XSTB FULL
10MHz OUT
10MHz IN
82 KEY AD0
83 KEY AD1
XRST FLASH
XRESET
SYS V
XRST SYS
USB JACK IN
AV JACK IN
LANC IN
LANC OUT
LANC JACK IN
MELODY ENV
MELODY
BEEP ON
XMS IN
MC WAKE UP
MC HELP
HI SI
HI SO
BATT SI
BATT SO
XHI SCK
PAL/XNTSC
BATT/XEXT
LANC OUT
LANC IN
LANC IN
XRST FLASH
SYS V
XRST SYS
USB JACK IN
AV JACK IN
CPC IN
BEEP
BEEP ON
XMS IN
XMC NMI
XMC NMI
XMC HELP
HI SI
HI SI
PAL/XNTSC
CN905
BATT UNREG1
ACV UNREG1
Q403
29
29
21
21
76
53
CN202
76
53
2
1
13
14
11
12
10
88
XSET UP
XAE LOCK SW
XSHTR SW
XSET UP
KEY AD3
5
9
LENS COVER
OPEN/CLOSE
OPEN/CLOSE
S201
XLENS CAP OPN
XLENS CAP OPN
DD-163 BOARD (2/4)
(SEE PAGE 4-47)
CN951 (2/4)
S954, 955
FUNCTION
KEY
100
99
X402
32.768kHz
32kHz OUT
32kHz IN
BACK UP VCC
6
VOUT
XRST SYS
74 XCS MC
XMC CS
HI SO
XHI SCK
PAL/XNTSC
XHI SCK
PAL/XNTSC
ST-67 BOARD
(SEE PAGE 4-41)
KEY AD0
XSTB LED
BATT SIG
BATT/XEXT
KEY AD1
CN901 (2/4)
46
47
46
47
31
31
44
44
S951
S952
S953
CONTROL
55
57
57
ı
64
69
ı
72
COM 0 – 3
SEG 0 – 8
COM 1 – 4
SEG 1 – 9
COM 1 – 4
SEG 1 – 9
COM 0 – 3
SEG 0 – 8
LCD902
LCD
MODULE
CHARACTER
DISPLAY
CONTROL SWITCH BLOCK
(SEE PAGE 4-37)
SW-364 BOARD
(SEE PAGE 4-38)
ZOOM
T
W
Q910, 921
Q005
Q911, 920
Q906 (2/2), 907, 908
Q904, 906 (1/2)
ST UNREG
4
3
2
1
5
6
T001
D002
TRANS
DRIVE
FLASH
CONTROL
PHOTO
TRANSISTOR
CONTROL
FLASH
CHARGE
DETECTOR
C008
CHARGING
CAPACITOR
Q011
XE A
XE K
Q012
BRIGHT
LEVEL
SENSOR
TRIGGER
Q905
D101
SELF TIMER/
AF ILLUMINATOR
(RED)
+
FLASH
UNIT
L002
4
6
8
6
8
10
I
15
3
5
7
9
5
7
9
4
6
8
6
8
10
I
15
30
30
26
26
28
28
2
2
3
5
7
9
5
7
9
23
25
27
25
27
23
25
27
25
27
VL 3V
COM 1 – 4
SEG 1 – 9
ST UNREG
STB FULL
STB ON1
PHOTO TR C
PHOTO TR OUT
XPRELAMP AF ON
15
TO
CAMERA BLOCK2
(SEE PAGE 3-6)
4
5
5
10 MHz
IC401
4
(X401) REC/PB
3.3 Vp-p
IC401
<z//
(X402) REC/PB
32.768 kHz
1.8 Vp-p
DSC-P3
3-11
3-12
3-6. AUDIO/VIDEO/USB BLOCK DIAGRAM
8
15
9
14
12
11
3
13
10
19
25
1
3
40
11
10
16
46
15
1
3
8
2
10
3
4
5
6
12
13
11
6
IC251
AUDIO
AD/DA CONVERTER
(SEE PAGE 4-29)
IC252
AUDIO AMP
(SEE PAGE 4-29)
SDTO
SDTI
PWDA
SCLK
MCLK
PWAD
LRCK
A OUT L
A IN L
IC601
VIDEO AMP
(SEE PAGE 4-20)
IC701
USB I/F
(SEE PAGE 4-26)
Y IN
C IN
POWER SAVE
V OUT
4
Vsag
OE#
RCV
VP
VM
SUSPND
VPO
VMO/FSEO
USB D–
USB D+
PB IN
REC OUT
BEEP
XBEEP MUTE
VOL CTL
XAUDIO MUTE
SP OUT+
SP OUT–
MIC IN
LINE OUT
5
22
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
TO
MODE CONTROL BLOCK
(SEE PAGE 3-9)
16
TO
CAMERA BLOCK2
(SEE PAGE 3-6)
TO
MODE CONTROL
BLOCK
(SEE PAGE 3-9)
9
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
21
19
TO
CAMERA BLOCK2
(SEE PAGE 3-6)
SY-73 BOARD (5/6)
DD-163 BOARD (3/4)
AUDIO
MUTE
Q252, 253
8
5
6
2
3
1
2
3
1
AU SDTO
AU SDTI
AU XPWDA
AU SCLK
AU MCLK
AU XPWAD
AU LRCK
BEEP ON
SP VOL
C OUT
USB JACK IN
05
USB TXENL
USB XVDATA
USB D+IN
USB D–IN
USB D–IN
USB SUSPND
USB D+OUT
USB D–OUT
USB D–OUT
USB D+ PULLUP
USB JACK IN
VOUT ON
AV JACK IN
Y OUT
XAU SP MUTE
XAU LINE MUTE
Q701
D 3.2V
SP901
SPEAKER
79
80
CN904
CN901 (3/4)
(SEE PAGE 4-52)
MIC SIG
V OUT
USB DET
D–
D+
A OUT
AV JACK IN
SP+
SP–
CN652
VCC
D–
D+
USB
A/V OUT
(MONO)
J651
20 HPF SEL
AU HGL SEL
BEEP
2
CN906
79
80
CN951 (3/4)
MIC901
MICROPHONE
IC601
1
REC/PB
420 mVp-p
H
IC601
3
REC/PB
2.0 Vp-p
H
IC601
8
REC/PB
H
400 mVp-p
DSC-P3
3-13
3-14
3-7. LCD BLOCK DIAGRAM
20
R OUT
22
G OUT
24
B OUT
37
PSIG OUT
1
BRIGHT
2
COLOR
SY-73 BOARD (6/6)
DD-163 BOARD (4/4)
3
BRT R
9
COM
4
BRT B
5
CONTRAST
EXT BGP
6
B LIMIT
7
VREF
12
XBRT TST
IC804
1
XCLP
LCD TIMING GENERATOR
(SEE PAGE 4-32)
IC951
BACK LIGHT CONTROL
(SEE PAGE 4-48)
32 RPD
12
HCK2
11
HCK1
10
RGT
16
HST
17
WIDE
21
DWN
22
EN
23
VCK
24
VST
14
7
SBLK
8
PRG
9
FRP
RGB BLK
28
PRG/NC
36
FRP
29
R/R-Y/CR
9
G/Y
8
B/B-Y/CB
10
27 CKII
26 CKO
8
VCO
15
H_REV
46 HREV
H_REV
16
V_REV
44 VREV
V_REV
17
NTSC
41 NT/PAL
NTSC
18
COMTST
47 COMTST
45 HDO
34 XVD
37 XHD
COMTST
10
BL LEV
BL LEV
VCO
FILTER
61
63
62
60
64
59
IC802
EVR (D/A CONVERTER)
(SEE PAGE 4-31)
05
CN901 (4/4)
BRIGHT
39
COLOR
6
SUB BRT R
32
SUB BRT B
31
CONTRAST
40
BLACK LIMIT
27
XTEST/NC
38
PSIG GRAY
35
22 EN
20 SI
19 SCK
LCD901
PANEL UNIT
1.5 inch
COLOR
LCD
UNIT
54
56
(2/2)
(SEE PAGE 4-32)
IC803
(1/2)
PANEL R-Y
PANEL Y
PANEL B-Y
CAM SO
XCS LCD DAC
XCAM SCK
PANEL V
BL ON
HSY
BL L1
HDO
PANEL COM
VG
BRT
COLOR
BRT R
COM
BRT B
CONT
B LIM
VREF
XTEST
11
P GRAY
P GRAY
7
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
20
TO
MODE CONTROL BLOCK
(SEE PAGE 3-9)
8
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
17
TO
CAMERA BLOCK2
(SEE PAGE 3-6)
Q801 – 803, 805
PSIG DRIVE
Q804, 806
COM DRIVE
D901
BACK LIGHT
65
68
67
72
73
74
75
61
63
62
60
64
59
CN951 (4/4)
(SEE PAGE 4-47)
54
56
52
52
R
PSIG
G
B
HCK1
65
68
HCK2
HST
67
WIDE
72
DWN
73
EN
74
VCK
75
VST
BL ON
BL LEV
BL L1
58
58
BL L2
RGT
69
66
69
66
REF
CRext
4
6
5
3
7
11
2
9
CN952
CN953
4
3
R
PSIG
77
77
COM
23
COM
CRext
G
B
HCK1
8
12
HCK2
HST
13
WIDE
19
DWN
20
EN
21
VCK
22
VST
BL H
BL FB
REF
RGT
PANEL COM
VG
LCD DRIVE
(SEE PAGE 4-31)
IC801
LCD DRIVE
Q953
PANEL 3.2V
Q951, 952, 954
BACK LIGHT
SWITCH
1
3
4
+
–
–
BACK LIGHT
DRIVE
11
12
5
7
1
BL L2
6
MAKER RECOG
13
CPC
(FOR CHECK)
CN902
LANC IN
LANC OUT
LANC IN
LANC OUT
CPC IN
CPC IN
8
9
IC803
(SEE PAGE 4-32)
3
2
1
+
–
–
VREF/AVE DET
26
PANEL 13.5V
Q811
REF VOLTAGE
GEN
IC801
8
REC/PB
420 mVp-p
H
IC801
9
REC/PB
190 mVp-p
H
IC801
0
REC/PB
160 mVp-p
H
IC801
w;
REC/PB
8.0 Vp-p
2H
IC801
ws
REC/PB
8.0 Vp-p
2H
IC801
wf
REC/PB
8.0 Vp-p
2H
IC804
wh
REC/PB
3.0 Vp-p
11.70 MHz
IC804
ef
REC/PB
V
3.1 Vp-p
IC804
ej
REC/PB
H
3.1 Vp-p
H
IC804
rg
REC/PB
3.1 Vp-p
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