Acv_Unreg1 - Sony CyberShot DSC-P72 Service Manual

DSC-P72
COVER
COVER
For Schematic Diagram
• Refer to page 4-39 for printed wiring board.
2 3
1
SY-85 BOARD(6/10)
NO MARK:REC/PB MODE
FRONT CONTROL(FR BLOCK)
A
XX MARK:NO MOUNT
:Voltage measurement of the CSP IC
and the Transistors with mark,is
not possible.
KEY_AD3
KEY_AD3
KEY_AD1
B
KEY_AD1
KEY_AD0
25 KEY_AD0
(5/10)
MODE_DIAL
MODE_DIAL
XRST_IN
XRST_IN
LI_3V
LI_3V
XMC_NMI
XMC_NMI
MC_HELP
MC_HELP
MC_UPDATE
MC_UPDATE
C
21 FR_SI
(4/10) FR_SI
FR_SO
FR_SO
XFR_SCK
XFR_SCK
XCS_MC
XCS_MC
XTALLY_LED
XTALLY_LED
SELF_TIMER_LED
SELF_TIMER_LED
STB_CHARGE
STB_CHARGE
XPWR_ON
D XPWR_ON
XSTB_PWRSAVE
XSTB_PWRSAVE
XSHTR_ON
XSHTR_ON
27 XAE_LOCK_SW
(10/10) XAE_LOCK_SW
XMS_IN
XMS_IN
USB_JACK_IN
USB_JACK_IN
AV_JACK_IN
AV_JACK_IN
CHARGE_LED
CHARGE_LED
PWR_LED
E
PWR_LED
XSTB_FULL
XSTB_FULL
FAST_CHARGE
FAST_CHARGE
BATT/XEXT
BATT/XEXT
BATT_UNREG
BATT_UNREG
ACV_UNREG
ACV_UNREG
28
(8/10)
F
EVER_3.0V
EVER_4.0V
REG_GND
UNREG_SO
G
UNREG_SO
UNREG_SCK
UNREG_SCK
XCS_DDCON
XCS_DDCON
29 SYS_DD_ON
SYS_DD_ON
(9/10)
DD_CON_SENS
D_1.5V
D_2.9V
REG_GND
H
I
16
SY-85 (6/10)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
4 5 6
R420
R419
R421
2700
4700
C405 C408
0.001u 3.3u
6.3V
R459
R462
R401 R409
470k
470k
1M
470k
XMS_IN
C404
100p
B
Q401
DTC143TMT2L
INV.
XPWR_ON R414 1k
AV_JACK_IN
R415
1k
XSHTR_ON
R416 1k
XAE_LOCK_SW
R405 470k
BATT/XEXT R417 1k
R411 1M
PWR_LED
2.7 0.1 CL403
6 3
USB_JACK_IN 0 3.0 R418
1k
2 5
Q402
C406 0.1u
RN1904FE(TPLR3)
1 4
INV.
XTALLY_LED
CHARGE_LED
R410 470k
SELF_TIMER_LED
UNREG_SO
IC402
INITIAL RESET,BACKUP VCC
R423 47k
R406
L401
1k
47uH 2.9 3.0
XRST_IN
RESET CS
3.0 2.8
XRESET
VOUT VBAT
4.1 3.1
VIN VCH
R413
3.0
47k
VRO VSS
1SS357-TPH3
IC402
S-8425AABPA-TF-G
C402
C403
4700p C407
C401 47u
0.1u
6.3V
XX
B
B
4-17
SY-85 BOARD SIDE A SY-85 BOARD SIDE A
7 8 9 10
10k
R430
0 100k C411
0.1u B
0
R460 C410
R435
0.1u
470k
1k
B
R431
Q403 100k 0.01u
DTC144EMT2L
C413
MOD
R429
0.1u
100k
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63
XPWR_ON
XPB_ON
XLENZ_CAP_OPN
XSHTR_ON
XAE_LOCK_ON
MS_IN
XLANC_PWR_ON
BATT/XEXT IC401
XUSB_JACK_IN
FR CONTROL
LANC_JACK_IN
AV_JACK_IN
IC401
LCD_COM/XDATA
MB89097LGA-G-151-ER
GND CSP(CHIP SIZE PACKAGE)IC
B
BACK_UP_VCC
XTALLY_LED
CHARGE/STB_LED
PWR_LED_ON
XLANC_ON
SELF_TIMER_LED
UNREG_SO
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
R428
1M
R426 330
R427
D401 33
X401
R422
10MHz
100k
C409
2200p
B
SY-85 BOARD SIDE B SY-85 BOARD SIDE B
11 12 13
C412
B
C416
XX
C415
XX
C417
C414
XX
62 61 XX
R451
10k
R452
R450
10k 10k
RB401
MODE_DIAL2
KEY_AD4
R442 1k
KEY_AD3
KEY_AD3
KEY_AD2
R443 1k
KEY_AD1
KEY_AD1
R444 1k
KEY_AD0
KEY_AD0
R445 1k
MODE_DIAL
MODE_DIAL1
C418
9p
BACK_UP_VCC
CH
X402
R440
32kHz_IN
10M 32.768kHz
C419
32kHz_OUT
9p
R441 150k
CH
GND
BEEP_ON
FAST_CHARGE
FAST_CHARGE
INIT_CHARGE
STB_CHARGE
STB_CHG
XSTB_POPUP
MC_UPDATE
XCS_LCD
BATT_SI
R454
BATT_SO
470k
(RESERVED)
7
CL402
6
CL401
RB403
4-18
14 15
14
(3/10)
14
XRST_SYS (4/10)
14
(5/10)
BEEP 30
(7/10)
BEEP_ON
12
(3/10)
SYS_V