Read Sony DSC-S75 Service Manual online
DSC-S75
4-15
4-16
VIDEO, MEMORY
SY-68 (3/10)
SY-68 (VIDEO, MEMORY) SCHEMATIC DIAGRAM
• See page 4-7 for SY-68 printed wiring board.
• See page 4-42 for waveforms.
2.6
0
3.1
3
1.8
1.2
1.2
0.6
0.9
0.3
0.8
0.2
0.9
0.8
0.2
0.3
0
2.2
2.2
0
0
0
0.6
0.6
0.6
0.7
0
0
0
0
3.1
0.1
0.2
0.5
0.4
3.1
0.4
0
1.4
3.1
0
0
0.1
0.1
0.1
0.1
0.1
0.1
3.1
3.1
3.1
3.1
3.1
0
0
0
0
0.1
0.1
0.1
0.1
0.2
3
3
3.1
0.6
0.3
0.3
0.3
0.3
0.4
0.4
0.4
3.1
2.9
1.2
1.1
1.5
1.4
NO MARK:REC/PB MODE
16
15
14
13
12
18
19
17
22u
6.3V
C318
2SB1462J-
QR(K8).SO
QR(K8).SO
Q307
2200
R321
2SB1462J-
QR(K8).SO
QR(K8).SO
Q309
2SB1462J-
QR(K8).SO
QR(K8).SO
Q308
2200
R323
2200
R327
2200
R325
2SB1462J-QR(K8).SO
Q305
FB304
PANEL_B-Y
2200
R319
PANEL_Y
PANEL_R-Y
2SB1462J-QR(K8).SO
Q306
XX
C319
IC302
K4S281632C-TC1HT00
1
VCC
2
DQ0
3
VCCQ
4
DQ1
5
DQ2
6
VSSQ
7
DQ3
8
DQ4
9
VCCQ
10
DQ5
11
DQ6
12
VSSQ
13
DQ7
14
VCC
15
DQML
16
WE~
17
CAS~
18
RAS~
19
CS~
20
A13
21
A12
22
A10/AP
23
A0
24
A1
25
A2
26
A3
27
VCC
28
VSS
29
A4
30
A5
31
A6
32
A7
33
A8
34
A9
35
A11
36
A256
37
CKE
38
CLK
39
DQMU
40
NC
41
VSS
42
DQ8
43
VCCQ
44
DQ9
45
DQ10
46
VSSQ
47
DQ11
48
DQ12
49
VCCQ
50
DQ13
51
DQ14
52
VSSQ
53
DQ15
54
VSS
XX
C354
6p
C339
820
R316
15p
C338
22k
R317
22p
C337
47uH
L305
XX
C349
XZM_RST_SENS
XFC_RST_SENS
0.1u
C348
XLENS_RST_LED
STRB_PHOTO_ON
XX
C317
47
R349
10uH
L302
IRIS_EN
LCD_POWER
UN9214J-(K8).SO
Q312
VOUT_ON
0.1u
C356
UN9111J-(K8).SO
Q311
47u
6.3V
C332
47uH
L307
12p
C359
330
R360
2SB1462J-
R(TX).SO
Q315
330
R362
820
R361
120p
C358
±
0.5%
100
R342
2SB1462J-QR(K8).SO
Q316
±
0.5%
100
R341
Q302
HN1C01FE-Y/GR(TPLR3)
6
2
1
3
5
4
±
0.5%
1200
R339
±
0.5%
4700
R358
±
0.5%
820
R340
CNT_C
RN1904FE(TPLR3)
Q303
6
2
1
3
5
4
MA111-(K8).S0
D302
MA111-(K8).S0
D301
±
0.5%
150
R364
A_4.9V
1u
C655
6.3V
XX
C654
1k
R656
XX
Q652
0
R654
6.3V
47u
C659
NJM2274R(TE2)
IC651
1
Y
-IN
2
GND
3
V
-OUT
4
Vsag
5
VCC
6
PowerSave
7
C-MUTE
8
C-IN
4V
100u
C657
XX
R652
0.1u
C656
6.3V
22u
C660
68
R657
1M
R658
0.1u
C658
XX
R655
V_OUT
0.01u
C653
XX
Q651
10uH
L653
1
A
1
2
A_3.2V
D_3.2V
3
REG_GND
4
5
6
7
8
REG_GND
9
10
VDR651
PE_AQ13
PE_AQ12
PE_AQ10
PE_AQ00
PE_AQ01
PE_AQ02
PE_AQ03
PE_AQ08
PE_AQ07
PE_AQ06
PE_AQ05
PE_AQ04
PE_AQ09
PE_DQ15
PE_DQ14
PE_DQ13
PE_DQ12
PE_DQ11
PE_DQ10
PE_DQ09
PE_DQ08
PE_DQ00
PE_DQ02
PE_DQ03
PE_DQ04
PE_DQ05
PE_DQ06
PE_DQ07
PE_QDML
PE_XWE
PE_XCAS
PE_XRAS
PE_QDMH
PE_AQ11
PE_QCLK
PE_DQ01
STRB_PHOTO_ON
PE_XCS0
XLENS_RST_LED
XFC_RST_SENS
IRIS_EN
PE_AQ256
XZM_RST_SENS
IC302
128M SDRAM
13
2
4
F
12
5
G
11
8
7
6
E
05
B
H
SY-68 BOARD (3/10)
I
9
3
D
C
10
J
14
16
SY-68 BOARD (5/10)
17
SY-68 BOARD (9/10)
18
SY-68 BOARD (10/10)
SY-68 BOARD (4/10)
19
24
SY-68 BOARD (2/10)
25
SY-68 BOARD (2/10)
PB
Y/CHROMA
VIDEO SIGNAL
SIGNAL PATH
Y
CHROMA
REC
-REF.NO.:1,000 SERIES-
XX MARK:NO MOUNT
XX MARK:NO MOUNT
(P2K BLOCK 2/2,VI BLOCK)
K
VIDEO,MEMORY(CAMERA DSP)
IC651
VIDEO AMP
BUFFER
BUFFER
FILTER
SWITCH
CHROMA CONTROL
CHROMA CONTROL
B+ SWITCH
B+ SWITCH
Q307-309
BUFFER
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