Read Sony DSC-P3 Service Manual online
DSC-P3
4-29
4-30
AUDIO
SY-73 (8/11)
SY-73 (AUDIO) SCHEMATIC DIAGRAM
• See page 4-11 for SY-73 printed wiring board.
Digital
Digital
Digital
Digital
Digital
NO MARK:REC/PB MODE
1.5
1.5
1.5
0.2
1.5
1.5
0
1.5
1.5
1.5
1.5
1.5
3.1
1.5
2
1.2
2.4
4.9
2.4
5
0
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
0
3.1
0
3
Note:The voltage and waveform of CSP(chip size package)
cannot be measured,because its lead layout is different
form that of conventional IC.
form that of conventional IC.
(Note)
68k
R274
BEEP
C290
0.47u
M_5V
10uH
L254
A_3.2V
XX
R270
10V
4.7u
C281
A_4.9V
3300
R251
0.022u
C252
6800p
C253
0.01u
C268
6.3V
10u
C263
2200p
C264
XX
C267
AU_MCLK
AU_SDTI
AU_XPWDA
AU_XPWAD
AU_SCLK
AU_LRCK
470
R262
0.47u
C261
1u
C276
2200
R268
3300
R255
47uH
L252
IC252
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
47k
R259
6.3V
4.7u
C257
56k
R261
27k
R258
0.015u
C258
0.015u
C259
47uH
L251
47uH
L253
0.01u
C260
2200
R257
0.01u
C288
0.01u
C289
18k
R263
10V
10u
C275
1u
C273
AK4550VL-L
IC251
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
100
R265
0.1u
C270
1k
R266
BEEP_ON
XX
R260
0
R254
A_OUT
AU_SDTO
1500
R256
1500
R252
6800p
C254
0
R253
0.022u
C251
47k
R271
6.3V
4.7u
C287
0.47u
C280
6.3V
10u
C266
0.47u
C279
1u
C262
MT_GND
XX
C271
R269
33k
100k
R273
2200p
C282
0.1u
C277
0.047u
C284
47k
R272
100
R267
0.1u
C278
1u
C286
0.47u
C269
1u
C256
SP-
SP+
C274
10u
C283
10u
C265
10u
C272
10u
6.3V
10u
C291
2200
R276
100k
R277
UNRL11300AS0
Q253
1
4
3
2
UNRL21600AS0
Q252
1
4
3
2
10V
4.7u
C294
C285
6.3V
10u
1
A
2P
CN906
1
2
MIC901
AU_HGL_SEL
XAU_SP_MUTE
SP_VOL
XAU_LINE_MUTE
REG_GND
2
4
F
12
5
G
11
8
7
6
E
05
B
H
SY-73 BOARD (8/11)
9
3
D
C
10
AUDIO(AU BLOCK)
XX MARK:NO MOUNT
-REF.NO.:1,000 SERIES-
IC251
AUDIO AD/DA
IC252
AUDIO AMP
REG_GND
MIC_SIG
SY-73 BOARD (2/11)
8
MICRO PHONE
CONVERTER
SY-73 BOARD (5/11)
32
SY-73 BOARD (11/11)
47
43
SY-73 BOARD (7/11)
SY-73 BOARD (11/11)
48
49
SY-73 BOARD (11/11)
38
SY-73 BOARD (6/11)
Q252,253
AUDIO MUTE
PB
AUDIO
SIGNAL PATH
REC
SIGNAL
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