Read Sony DSC-P72 Service Manual online
DSC-P72
COVER
COVER
4-19
4-20
SY-85 (7/10)
For Schematic Diagram
• Refer to page 4-39 for printed wiring board.
• Refer to page 4-39 for printed wiring board.
4-2. SCHEMATIC DIAGRAMS
SY-85 BOARD SIDE A
SY-85 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
SY-85 BOARD SIDE A
SY-85 BOARD SIDE B
XX
C172
0.1u
B
C178
10uH
L152
0.1u
C156
10k
R156
1u
B
C160
1u
B
C154
0.015u
B
C155
0.47u
B
C169
10V
10u
C179
A
1u
B
C167
0.47u
B
C166
1u
B
C164
B
C180 0.47u
47k
R151
47k
R160
1k
R159
1u
B
C165
1u
B
C159
XX
C151
0
R152
10k
R153
0.015u
B
C153
4.7u
B
C152
R154
XX
B
4.7u
C175
6.3V
10u
TA
C170
A
R155
XX
AU_AOUT
AU_OUT
AU_AINL
XAU_POWER_SAVE
AU_HGL_SEL
XAU_SP_MUTE
XAU_LINE_MUTE
SP_VOL
BEEP
BEEP_ON
A_2.9V
M_5V
REG_GND
AU_2.9V
MIC_IN
SP+
SP-
R161 0
R162 0
XX
C181
10u
B
C157
10uH
L163
AN12908A-VB
IC151
A1
NC(HK)
C3
NC(HN)
A2
SP_OUT+
C1
SP_GND
D1
SP_OUT-
E2
VREF_SP
E1
BEEP
F2
XBEEP_MUTE
F1
AGND
G2
BEEP_MIX_IN
G1
BEEP_OUT
H2
SP_LPF_0
H1
XAUDIO_MUTE
J2
SPAGC_DET
C2
NC
J1
NC(HK)
G3
NC(HN)
H3
SP
AGC_SW
J3
VOL_CTL
H4
PB_IN
J4
AGND
H5
REC_OUT
J5
REC_AMP_IN
H6
LPF_OUT
J6
LPF1A
H7
LPF1B
J7
LPF2A
H8
LPF2B
J8
AGC_OUT
D2
NC
J9
NC(HK)
G7
NC(HN)
H9
STBY
G8
LPF_SEL
G9
AGC_DET
F8
WHPF_OUT
F9
WHPF_BIAS
E8
WHPF_IN
E9
GAIN_SET
D8
MIC_OUT
D9
GND
C8
LINE_MUTE
C9
MIC_OFF
B8
MIC_IN
B3
NC
A9
NC(HK)
C7
NC(HN)
B9
MIC_SPY
A8
MIC_2V
B7
MIC_REB
A7
VREF
B6
VCC
A6
MUTE_TMG
B5
GND
A5
MUTE_DRVR
B4
LINE_OUT
A4
VCC_SP
A3
VCC_SP
B2
SP_SA
VE
1u
B
C173
0.001u
B
C174
0
R158
1u B
C171
0.047u
C176
0.047u
C177
47k
R157
0.015u
C163
0.01u
C162
B
C168
0.1u
0.01u
C161
0.015u
C158
1
A
AUDIO AMP
IC151
19
(4/10)
31
(10/10)
(5/10)
24
(3/10)
13
8
(2/10)
30
(6/10)
(9/10)
32
SY-85 BOARD(7/10)
AUDIO I/O(AU BLOCK)
XX MARK:NO MOUNT
2
5
E
3
F
4
C
9
D
B
8
7
6
10
16
PB
AUDIO
REC
SIGNAL
SIGNAL PATH
:Voltage measurement of the CSP IC
and the Transistors with mark,is
not possible.
and the Transistors with mark,is
not possible.
CSP(CHIP SIZE PACKAGE)IC
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