Sy-075 (2/8) (Video, Memory) - Sony DSC-P31M Service Manual

SY-075 (2/8) (VIDEO, MEMORY) • See page 4-43 for SY-075 printed wiring board. • See page 4-58 for waveforms.
2 3 4
1
SY-075 BOARD (2/8)
A
VIDEO MEMORY
(HMS BLOCK 2/2, A_2.9V
VI BLOCK,LD2 BLOCK)
XX MARK:NO MOUNT D_2.9V
NO MARK:REC/PB MODE
D_1.5V
B
REG_GND
AMP_OUT_ON
C
1
A
GND
SY-075 (1/8)
D
2
3
E
4
5
GND
F
IC302
128M SDRAM
Note:The voltage and waveform of CSP(chip size package)
cannot be measured,because its lead layout is defferent
form that of conventional IC.
G
H
I
J
K
L
B
GND
SY-075 (1/8)
6
5
XSENCV_OPEN
SY-075 (1/8) XSENCV_CLOSE
05
5 6 7 8
C339
22u
4V
2.8
Q305
UMF5NTR
5 SWITCH
R328
3
2200
0 4
2.8 2.8
1 6
R317
2
100k
2.2 C328
10u
6.3V
4
R320 R321 R322 R323
2200 2200 2200 2200
0.8
0
Q304
2SB1462J-QR(K8).SO
3
BUFFER
0.8
2
PANEL_R
0 Q303
2SB1462J-
12
QR(K8).SO
0.7 BUFFER
PANEL_G
SY-075 (6/8)
Q302
0
2SB1462J-
QR(K8).SO
1
0.8 BUFFER
PANEL_B
0
Q301
2SB1462J-
QR(K8).SO
BUFFER
FB303
C342
10u
6.3V
IC302
K4S643233E-DE80T
VSS
C329 VDDQ
0.1u VSS
VDD
HR_DQ15
HR_DQ00 DQ15
DQ0
VSSQ
VDDQ
HR_DQ14
HR_DQ01 DQ14
DQ1
HR_DQ02 HR_DQ13
DQ13
DQ2 C335
VDDQ 0.1u
VSSQ
HR_DQ03 HR_DQ12
DQ12
DQ3
HR_DQ04 HR_DQ11
DQ11
DQ4
VSSQ
VDDQ
HR_DQ10
HR_DQ05 DQ10
DQ5
HR_DQ09
HR_DQ06 DQ9
DQ6
VDDQ
VSSQ
HR_DQ07 HR_DQ08
DQ8
DQ7
NC
NC
VSS
VDD
HR_DQM0 HR_DQM1
DQM1
DQM0
HR_XWE NC
WE#
HR_XCAS NC
CAS#
HR_QCLK
HR_XRAS CLK
RAS#
HR_QCLKE
HR_XCS0 CKE
CS#
HR_AQ11 HR_AQ09
A9
A11
HR_BA0 HR_AQ08
A8
BA0
HR_BA1 HR_AQ07
A7
BA1
HR_AQ10 A6 HR_AQ06
A10
HR_AQ00 A5 HR_AQ05
A0
HR_AQ01 A4 HR_AQ04
A1
HR_AQ02 A3 HR_AQ03
A2
HR_DQM2 HR_DQM3
DQM3
DQM2
VSS
VDD
NC
NC
HR_DQ16 HR_DQ31
DQ31
DQ16
C337
VDDQ
0.1u
VSSQ
HR_DQ17 DQ30 HR_DQ30
DQ17
HR_DQ29
HR_DQ18 DQ29
DQ18
VSSQ
VDDQ
HR_DQ19 HR_DQ28
DQ28
DQ19
HR_DQ20 HR_DQ27
DQ27
DQ20
VDDQ
VSSQ
HR_DQ21 DQ26 HR_DQ26
DQ21
HR_DQ22 DQ25 HR_DQ25
DQ22
VSSQ
VDDQ
HR_DQ23 HR_DQ24
DQ24
DQ23
C332 VSS
0.1u VDD
VSSQ
VDDQ
4-13
9 10 11 12
37
L302
10uH
SY-075 (8/8)
A_2.9V
C341
36
10u
6.3V
D_2.9V SY-075 (8/8)
C340
10u
6.3V
34
D_1.5V
SY-075 (8/8)
REG_GND L651
10uH
C653
C652 0.1u
10u C656
6.3V
0.1u
C654
R651
XX
1k
R653
C651
0
1u
2.8
8 7 6
1 2 3
2.8
R652
0
C655
XX
L601
XX
IC601 XX
PGND
VCC
OUT1
IN1
OUT2
C601
IN2
XX
NC
SGND
1SS357-TPH3
R601
10k
13 14 15 16
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y/CHROMA
REC
PB
2.8
6
5
IC651
VIDEO AMP
5
4
R656
0.9
68
13
C658 CVCHK_OUT SY-075 (6/8)
100u
4V
14
V_OUT SY-075 (6/8)
R655
68
C657
22u
4V
15
VAMP_ON SY-075 (5/8)
16
LENSV_CLOSE_ON
SY-075 (5/8)
LENSV_OPEN_ON
39
M_5V SY-075 (8/8)
CN601 2P
2 OUT2
LENSV_MOTER
1 OUT1
R607
0
ZOOM_DC-
ZOOM_DC+
D601 R608
0 17
_HR_EN1
D602 SY-075 (3/8)
1SS357-TPH3
R603
10k
R605
0
_HR_DIR1A
R604
CN602 6P
10k
1 CP_LED
2 N.C.
FB601
LENSV_SW
3 XSENCV_OPEN
FB602 THROUGH THE
4 XSENCV_CLOSE FP-527 FLEXIBLE
5 SENC_GND
6 N.C.
4-14
DSC-P31/P31M
SY-075 (2/8)