Read Sony DSC-P3 Service Manual online
DSC-P3
4-27
FRONT CONTROL
SY-73 (7/11)
4-28
SY-73 (FRONT CONTROL) SCHEMATIC DIAGRAM
• See page 4-11 for SY-73 printed wiring board.
• See page 4-53 for waveforms.
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
0
0
0.2
3.2
0.2
0.3
3.4
2.9
3.2
0.3
0.2
0
3.1
3.1
3.1
3.1
1.1
0.5
2.9
0.5
3.2
0.5
1.7
1.9
1.9
0.7
0.4
3.1
3.2
1.6
1.2
1.4
1.4
3.2
3
R2.9/P0
0
2.9
2.9
0
2.9
0
3.2
3
0.6
2.9
0.1
0.1
3
2.9
0
0.2
3.2
3.2
0
3.2
3.2
0
3.2
3.2
0
3.2
0
0
0
2.8
2.8
3.2
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
3.2
2.1
1.1
0
1.6
1.6
1.6
1.6
0
2.9
1.2
3.2
3.2
4
3.2
3.2
3
0
2.3
24
23
1.6
C412
0.1u
0.1u
C420
0.1u
0.1u
HI_SI
10k
R437
10k
R439
10k
R441
470k
R410
470k
R413
470k
R405
470k
R404
470k
R411
XX
R443
XX
R444
XX
R453
470k
R408
XRST_FLASH
HI_SO
XHI_SCK
XMC_CS
C410 0.01u
BEEP_ON
BEEP
AV_JACK_IN
XSTB_FULL
470k
R409
1k
R442
1k
R440
470k
R407
470k
R406
PAL/XNTSC
C413
XX
ACV_UNREG
1k
R436
1k
R434
10k
R435
XX
R433
470k
R402
470k
R403
1M
R420
10V
10u
C401
0.1u
C404
0.1u
C411
BATT/XEXT
FAST_CHARGE
XMC_HELP
STB_CHG
XX
C409
XMC_NMI
XRST_SYS
MB89098RPFV-G-177-BND-ER
IC401
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
330k
R422
12p
C408
10p
C407
47k
R448
47k
R449
47k
R447
270
R424
100k
R423
1SS357-TPH3
D401
47k
R418
470
R421
4700p
C402
S-8423BBPA-TF
IC402
1234
5
6
7
8
1M
R419
KEY_AD1
KEY_AD0
KEY_AD3
BATT_UNREG
1M
R425
100k
R428
VL_3V
220k
R401
XSTB_LED_ON
R414
1k
R415
1k
R416
1k
R417
1k
LANC_IN
LANC_OUT
DDCON_SO
DDCON_SCK
XCS_DDCON
X401
10MHz
COM0
COM1
SEG0
SEG1
SEG3
SEG2
SEG6
SEG5
SEG7
SEG4
COM2
COM3
UNRL21300AS0
Q402
1
4
3
2
6.3V
3.3u
C421
0.001u
C422
C405
0.1u
10k
R445
2700
R450
4700
R446
1M
R427
100k
R426
HI_UNREG
1M
R429
1k
R431
100k
R430
EVER_3.2V
1M
R432
SEG8
0.047u
C415
0.047u
C416
0.047u
C418
0.047u
C419
HN1L02FU(TE85R)
Q403
3
5
4
6
2
1
100k
R452
100k
R451
0.047u
C406
6.3V
10u
C403
BATT_SIG
X402
32.768KHz
S401
MA4L11100AS0
D402
4
1
2
3
R454
470k
R455
XX
R457
1k
R458 1M
D_1.8V
R459
1k
R460
1M
UNRL21300AS0
Q404
1
4
3
2
10uH
L401
MAZS082008SO
D403
1
A
470
R901
14P
CN905
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D_3.2V
REG_GND
CPC_IN
XMS_IN
SYS_V
PAL/XNTSC
XRST_SYS
SYS_DD_ON
INIT_CHARGE
PAL/XNTSC
FRAME_GND
USB_JACK_IN
6P
CN202
1
NC
2
GND
3
GND
4
XLENS_CAP_OPN
5
XLENS_CAP_OPN
6
NC
470k
R412
BEEP_ON
F
AST_CHARGE
STB_CHG
XSHTR_ON
KEY_AD1
KEY_AD0
SYS_DD_ON
KEY_AD3
BATT/XEXT
INIT_CHARGE
FAST_CHARGE
XMC_HELP
XSTB_FULL
XHI_SCK
HI_SO
HI_SI
STB_CHG
BEEP
SYS_V
XRST_FLASH
XMC_CS
SYS_DD_ON
XMC_NMI
XAE_LOCK_SW
MELODY_ENV
BATT/XEXT
INIT_CHARGE
SYS_V
XRST_SYS
BEEP_ON
XRST_FLASH
SEG7
SEG6
SEG4
SEG3
SEG2
SEG1
SEG0
COM0
COM1
COM2
COM3
SEG5
COM0
COM1
COM2
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
HI_SI
BATT_IN
HI_SO
USB_JACK_IN
XHI_SCK
XPWR_ON
DDCON_SCK
DDCON_SO
XCS_DDCON
DDCON_SCK
DDCON_SO
XCS_DDCON
XMC_NMI
XMC_CS
MELODY_ENV
BEEP
XMC_HELP
ACV_UNREG
BA
TT_UNREG
XMS_IN
AV_JACK_IN
XSTB_FULL
COM3
XSTB_LED_ON
ACV_UNREG
BATT_UNREG
HI_UNREG
EVER_3.2V
SEG8
SEG8
BATT_SIG
KEY_AD3
KEY_AD0
MODE_DIAL
BATT_IN
P
AL/XNTSC
AV_JACK_IN
CPC_IN
BATT_SIG
XPWR_LED_ON
XSET_UP
KEY_AD1
EVER_3.2V
XPB_ON
XSTB_LED_ON
HI_UNREG
XPWR_ON
XPWR_LED_ON
XPB_ON
XSET_UP
XAE_LOCK_SW
XSHTR_ON
MODE_DIAL
CPC_IN
XMS_IN
XRST_SYS
USB_JACK_IN
PAL/XNTSC
XLENS_CAP_OPN
XLENS_CAP_OPN
CURRENT_SENS
STB_CHG
SEG15
XRST_SYS
KEY_AD2
SEG0
XLENS_CAP_OPN
SEG19
USB_JACK_IN
HI_SO
GND
10MHz_OUT
LANC_OUT
XSTB_FULL
SEG5
Program_Dial_A
XHI_SCK
SEG11
DD_CON_SENS
HI_SI
COM3
SEG16
UNREG_SCK
T_SENS
SEG1
XMS_IN(XLID_OPEN)
(BA
TT_IN)
SYS_DD_ON
SEG17
BATT/XEXT
MELODY_ENV
A
VCC
BATT_IN
DRY_BATT2
SEG6
BACK_UP_VCC
SEG18
SEG12
XCS_MC
COM2
BA
TT_SO
MODE_DIAL
Program_Dial_B
ACV_SENS
N.C
SEG2
PRILAMP_AF_ON
LANC_IN
BEEP_ON
AV_JACK_IN
LANC_JACK_IN
BA
TT_SENS
N.C
XLANC_PWR_ON
32kHz_OUT
SEG7
XRESET
XPB_ON
BA
TT_SI
Vdd
SEG13
MC_WAKE_UP
COM1
XSET_UP
INIT_CHARGE
XCS_DDCON
XRST_FLASH
KEY_AD1
XSHTR_ON
XCHARGE/XSTB_LED
XAE_LOCK_ON
DR
Y_BA
TT1
MELODY
SEG3
SEG9
KEY_AD3
GND
SEG8
SYS_V
XLANC_ON
UNREG_SO
SEG14
Vdd
COM0
F
AST_CHARGE
P
AL/XNTSC
GND
GND
32kHz_IN
Vdd
XPWR_ON
KEY_AD0
10MHz_IN
SEG4
SEG10
MC_HELP
XPWR_LED_ON
RESET
N.C
VRO
VSS
VOUT
VBAT
PREEND
VIN
CS
13
2
4
F
L
12
5
G
K
11
8
7
6
E
05
B
H
SY-73 BOARD (7/11)
I
9
3
D
C
15
10
J
14
-REF.NO.:1,000 SERIES-
FRONT CONTROL(FR BLOCK)
XX MARK:NO MOUNT
FRONT CONTROL
IC401
INITIAL RESET
IC402
XPWR_ON
NC
XPB_ON
XPWR_LED
NC
PWR_LED_VCC
XAE_LOCK_SW
XSET_UP
XSHTR_SW
GND
XMOVIE
MODE_DIAL
D_3.2V
NC
SY-73 BOARD (11/11)
39
SY-73 BOARD (9/11)
40
BLOCK
(SEE PAGE 4-37)
SWITCH
CONTROL
SY-73 BOARD (11/11)
41
42
SY-73 BOARD (10/11)
6
SY-73 BOARD (2/11)
31
SY-73 BOARD (5/11)
SY-73 BOARD (5/11)
27
43
SY-73 BOARD (8/11)
SY-73 BOARD (6/11)
37
44
SY-73 BOARD (11/11)
1
SY-73 BOARD (1/11)
LED DRIVE
RESET
BACK UP VCC
SY-73 BOARD (10/11)
46
MODULATOR
BATTERY
CHARGE
DETECTOR
SY-73 BOARD (10/11)
45
SY-73 BOARD (5/11)
30
LND201-206
SW-364 BOARD
(SEE PAGE 4-38)
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