Sony DSC-F77 Service Manual page 8

COVER
COVER
For Schematic Diagram
• Refer to page 4-47 for printed wiring board.
• Refer to page 4-58 for waveforms.
1 2 3 4
SY-81 BOARD (4/13)
A
VIDEO,CLOCK GENERATOR(VI BLOCK,LU BLOCK 2/2)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
D_2.9V
B CAM_3.2V
33
REG_GND
(13/13)
C
L301
10uH
A_2.9V
D
C302
4.7u
10V
C304
R301 XX
0
18
CV_OUT
C301
(2/13)
1u
E
VAMP_ON
MS_POWER_ON
MS_POWER_ON
XEEPROM_WE
XEEPROM_WE
21
BUSY
BUSY
F DAC_STB
(3/13)
DAC_STB
TG_CLK_EN
TG_CLK_EN
USB_CLK_EN
USB_CLK_EN
G
R302
0
H
I
CN601 8P
J
VSS 1
VCC 2
MEMORY
STICK
SCLK 3
THROUGH THE
FP-587 FLEXIBLE
INT 4
MEMORY STICK MS
CONNECTOR
DIO 5
VCC 6
BS 7
VSS 8
K
XMSIN
34
(6/13)
STATIC_GND
L
05
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
5 6 7 8
FB605
C623 R641 C625
0.001u
0.1u
0
X601
27MHz
R642 120
R640
XX
C624
0.1u
FB606
C303
0.1u
R304
1M
IRIS_CONT2
PRELAMP_AF_ON
C305
XX
HALL_REF
HALL_GAIN
HALL_OFFSET
R303
0
2.9 0 0 2.9
8 7 6 5
IC301
R643
VIDEO AMP
XX
IC301
NJM2574RB1(TE2)
XEEPROM_CS
SCK
1 2 3 4
DI
2.9 0.5
DO
C308
47u
6.3V
C307
47u
6.3V
C309
XX
R305
68
C306
22u 4V
D602
MA4L11100AS0
2 3
C622
C621
10u
0.1u
6.3V 1 4
D601
XX
1 2
4 3
4-15
SY-81 BOARD SIDE A SY-81 BOARD SIDE A SY-81 BOARD SIDE B SY-81 BOARD SIDE B
9 10 11 12
1 3
Note:Resistors are mounted to the
location where FB607 and FB608
are printed.
R644 FB607
0 0 (Note)
2.9
REF_OUT
VDD
1.4
VSS
FIN 2
1.4
VSS
CCD_SEL2
1.5 0
USB_CLK_EN
CLK3_OUT CLK2_ON
2.9 2.9 C629 0.1u
CLK3_ON VDD
2.9 0
CCD_SEL1 CLK2_OUT
R645 FB608
CLK1_0n VSS
0 0 (Note)
2.9
VDD CLK1_OUT
IC603
CLOCK GENERATOR
IC603
SM8720AV-E2
TG_CLK_EN
0.2
GND
A02
0 0.6 IRIS_CONT1
A01
A03
0.1 CAM_SO
DI
A04
0.8 2.9 XCAM_SCK
CLK
A05
1 0 DAC_STB
LD
A06 CAM_SO
0.8
NC
A07 XCAM_SCK
1.5 SP_VOL
A010
A08 DI
3.1
VCC
A09 DO
C626
10u
SCK
6.3V
IC602
MS_SCLK
MS_DIO
EVR(D/A CONVERTER)
IC602 MS_BS
BH2223FV-E2
XEEPROM_CS
L602
C627
10uH
0.1u
C628
0.1u
IRIS_CONT1
IRIS_CONT2
HALL_REF
HALL_GAIN
R646
HALL_OFFSET
100k
2.9 2.9
VCC
CS
2.9 2.9
BUSY
SCK
0 2.9 XEEPROM_WE
RST
DI
2.9
GND
SP_VOL
DO
IC604
PRELAMP_AF_ON
EEPROM
IC604
AK6417CH-E2
Q603
UMF5NTR
2 2.1
B+ SWITCH R637
100k
2.9 1 2.9
6
4 3
0.2
R638
470
5
2.7
R639
3300
LND615
STATIC_GND
13 14
14
MC_CLK1
(2/13)
8
TG_CLK
(1/13)
27MHz
USB_48MHz
CAM_SO
XCAM_SCK
DI
24
DO
SCK
(3/13)
MS_SCLK
MS_DIO
MS_BS
XEEPROM_CS
IRIS_CONT1
IRIS_CONT2
35
HALL_REF
HALL_GAIN (5/13)
HALL_OFFSET
36
SP_VOL
(7/13)
37
PRELAMP_AF_ON
(9/13)
38
V_OUT
(11/13)
SIGNAL PATH
VIDEO SIGNAL
AUDIO
SIGNAL
Y/CHROMA
REC
PB
4-16
DSC-F77/FX77
SY-81 (4/13)