Read Sony DSC-S75 Service Manual online
DSC-S75
4-25
4-26
SY-68 (AUDIO) SCHEMATIC DIAGRAM
• See page 4-7 for SY-68 printed wiring board.
AUDIO
SY-68 (8/10)
0
0
3.1
0
0.9
0
0
0
0
0
0
0
0
1.5
1.5
1.5
1.5
1.5
1.5
1.5
0
0.2
1.5
2.5
0.4
2.5
2.2
2.2
2.2
2.2
2.2
2.2
2.4
0
1
1.5
0
3.1
1.5
3.1
1.5
1.5
3.1
1.5
1.2
2
2.4
4.9
2.4
4.4
0
3
0
3.1
5
4.9
4.4
NO MARK:REC/PB MODE
0.01u
C267
100
R286
56k
R266
AU_XPWDA
XX
R275
10V
10u
C278
47k
R277
REG_GND
1u
C293
BEEP_ON
0.015u
C265
UN9216J-(K8).SO
Q254
27k
R263
2200
R262
AU_MCLK
6.3V
10u
C269
CAM_P_5V
0.1u
C297
C294
0.47u
1u
C289
10uH
L252
27k
R270
1u
C282
XX
C276
6.3V
10u
C280
XAU_SP_MUTE
±
10%
10uH
L254
10V
10u
C287
A_OUT
3300
R259
6800p
C260
0
R256
0.047u
C298
6.3V
4.7u
C262
0.022u
C259
0.015u
C266
AK4550VT-E2
IC252
1
VCOM
2
AINR
3
AINL
4
VSS
5
VDD
6
DEM0
7
DEM1
8
SDTO
9
SDTI
10
LRCK
11
MCLK
12
SCLK
13
PWAD
14
PWDA
15
AOUTL
16
AOUTR
1u
C279
BEEP
A_4.9V
AU_SCLK
2P
CN252
1
SP +
2
SP -
10V
10u
C272
0.01u
C295
AU_SDTO
XX
C296
2P
CN251
1
MIC SIG
2
MIC GND
AU_LRCK
SP_VOL
3300
R255
XX
C254
AU_SDTI
0
R269
2200
R273
1k
R272
1u
C270
100
R271
2200
R287
6.3V
4.7u
C290
3300p
C261
IC253
AN2905FHQ-EB
1
SP_OUT+
2
SP_GND
3
SP_OUT-
4
VREF_SP
5
SPA_IN
6
MIX_OUT
7
AGND
8
BEEP_MIX_IN
9
BEEP_OUT
10
XBEEP_MUTE
11
BEEP
12
SPAGC_
DET
13
MIX_IN
14
VOL_OUT
15
XAUDIO_MUTE
16
VOL_CTL
17
AGND
18
SP
AGC_ON/OFF
19
PB_IN
20
HPF_SEL
21
VCC
22
MIC_OFF
23
VREF
24
STBY
25
REC_OUT
26
BIAS
27
LPF_OUT
28
LPF_IN2
29
LPF_IN1
30
AGC_OUT
31
GND
32
AGC_DET
33
WHPF_OUT
34
WHPF_BIAS
35
WHPF_IN
36
LING_IN
37
GAIN_
SET
38
MIC_OUT
39
WIND_ON
40
MIC_IN
41
2VOUT
42
VREG_C
43
VREF_H
44
VCCH
45
GND
46
LINE_OUT
47
SP_SA
VE
48
SP_VCC
0.1u
C271
XX
C252
6.3V
10u
C300
47k
R285
10V
10u
C281
0.1u
C299
100k
R283
47k
R265
0.47u
C283
0.022u
C258
UN9113J-(K8).SO
Q255
1500
R260
XX
C255
R282
33k
Q253
FMMT617TA
2200p
C273
10uH
L253
1500
R254
XX
R267
0.01u
C291
XAU_LINE_MUTE
A_3.2V
0.47u
C274
1u
C263
10uH
L255
10V
10u
C286
10
R279
68k
R278
6.3V
10u
C275
0.47u
C264
1u
C288
100k
R288
1200
R251
0.01u
C277
0.01u
C292
AU_XPWAD
0.47u
C285
XX
C251
470
R264
AU_HGL_SEL
MT_GND
10u
6.3V
C284
1
A
SPEAKER
SP901
MIC901
MICROPHONE
13
2
4
F
12
5
11
8
7
6
E
05
B
SY-68 BOARD (8/10)
9
3
D
C
10
AUDIO AD/DA
IC252
IC253
AUDIO AMP
8
SY-68 BOARD (2/10)
SY-68 BOARD (5/10)
30
SY-68 BOARD (7/10)
39
SY-68 BOARD (10/10)
43
AUDIO(AU BLOCK)
XX MARK:NO MOUNT
-REF.NO.:1,000 SERIES-
CONVERTER
Q254,255
AUDIO MUTE
AUDIO
SIGNAL PATH
REC
SIGNAL
PB
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