Read Sony DSC-P7 Service Manual online
DSC-P7
COVER
COVER
NO MARK:REC/PB MODE
Note:
:Voltage measurment of the CSP IC
and the transistors with mark,is
not possible.
and the transistors with mark,is
not possible.
5.0
2.9
0
2.9
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
0
1.4
2.5
2.4
0.4
1.0
1.4
1.4
0
2.4
0.4
2.4
2.5
2.5
2.5
2.5
2.5
0
1.5
2.9
1.4
2.0
1.2
2.4
4.9
2.4
0.022u
C206
SP+
1k
R215
0
R204
10uH
L201
6.3V
4.7u
C234
100k
R220
SP_VOL
0.047u
C232
100k
R224
0.015u
C211
0.01u
C236
10uH
L203
470
R201
1200
R213
6800p
C204
REG_GND
XAU_LINE_MUTE
0.01u
C212
2200
R210
2200
R217
0.1u
C215
1u
C208
2200
R218
0.1u
C230
0.022u
C205
0.47u
C226
10V
4.7u
C227
6800p
C203
56k
R209
1500
R206
SP-
6.3V
10u
C229
47k
R223
0.01u
C235
0.1u
C221
A_4.9V
47k
R222
R225
XX
AU_HGL_SEL
0.47u
C213
AU_AINL
0.1u
C222
6.3V
4.7u
C209
10uH
L202
10V
10u
C220
27k
R207
R219
33k
BEEP_ON
0.1u
C223
BEEP
100
R216
0.47u
C224
AU_OUT
XAU_SP_MUTE
XAU_POWER_SAVE
IC201
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
10k
R212
M_5V
3300
R205
47k
R211
C239
0.47u
100
R214
1u
C217
AU_AOUT
3300
R202
47k
R208
1500
R203
2200p
C201
68k
R226
6.3V
10u
C225
0.015u
C210
1u
C233
A_2.9V
UNRL11300AS0
Q202
UNRL21600AS0
Q201
10u
C242
10u
C231
10u
C218
10u
C219
10V
4.7u
C214
AU_2.9V
0
R227
0.47u
C202
6800
R221
68k
R228
1
A
2P
CN705
1
2
3
10
7
F
C
5
D
B
E
9
11
6
8
4
2
MIC_GND
MIC_SIG
XX MARK:NO MOUNT
SY-77 BOARD (8/10)
AUDIO(AU BLOCK)
MIC
MIC901
AUDIO MUTE
AUDIO MUTE
IC201
AUDIO AMP
05
SIGNAL
REC
PB
SIGNAL PATH
AUDIO
14
(2/10)
30
(6/10)
41
(7/10)
(7/10)
44
(2/10)
9
45
(10/10)
4-24
For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
• Refer to page 4-43 for printed wiring board.
4-23
4-2. SCHEMATIC DIAGRAMS
SY-77 BOARD SIDE A
SY-77 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
SY-77 BOARD SIDE A
SY-77 BOARD SIDE B
SY-77 (8/10)
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