Read Sony DSC-F77 / DSC-FX77 Service Manual online
DSC-F77/FX77
COVER
COVER
For Schematic Diagram
• Refer to page 4-47 for printed wiring board.
• Refer to page 4-47 for printed wiring board.
4-2. SCHEMATIC DIAGRAMS
SY-81 BOARD SIDE A
SY-81 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
SY-81 BOARD SIDE A
SY-81 BOARD SIDE B
4-21
4-22
SY-81 (7/13)
NO MARK:REC/PB MODE
1.4
0
0
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
2.9
2.9
0
1.4
1.5
2.9
2.4
2.5
2.4
0.4
2.4
2.5
2.5
2.5
2.5
2.5
2.5
1.4
1.5
2.9
1.4
2
1.2
2.4
4.8
2.5
2.9
5
2.8
2.8
0
0
2.9
(1/13)
9
(3/13)
(4/13)
36
22
(13/13)
52
(6/13)
51
54
(11/13)
(9/13)
53
0.015u
C405
1k
R417
0
R404
10uH
L401
10V
4.7u
C432
100k
R422
SP_VOL
0.047u
C430
100k
R425
0.015u
C409
0.01u
C434
10uH
L403
470
R401
1200
R415
0.01u
C403
XAU_LINE_MUTE
0.01u
C410
2200
R413
2200
R419
0.1u
C414
1u
C406
2200
R420
0.1u
C429
0.015u
C404
0.47u
C424
0.015u
C402
56k
R412
1500
R407
6.3V
10u
C428
47k
R424
0.01u
C433
0.1u
C418
A_4.9V
47k
R423
AU_HGL_SEL
0.47u
C412
AU_AINL
0.1u
C420
10uH
L402
10V
10u
C419
27k
R408
R421
33k
BEEP_ON
0.1u
C421
BEEP
100
R418
0.47u
C423
AU_OUT
XAU_SP_MUTE
AU_POWER_SAVE
IC401
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
39k
R414
M_5V
3300
R406
C435
0.47u
100
R416
1u
C415
AU_AOUT
3300
R402
47k
R410
1500
R403
2200p
C401
68k
R426
6.3V
10u
C422
0.015u
C408
1u
C431
A_2.9V
10u
C413
10u
C427
10u
C416
10u
C417
10V
10u
C426
0
R405
0.47u
C411
6800
R409
68k
R411
6P
CN401
1
2
3
4
5
6
VL_3V
UN9216J-(K8).SO
Q401
DTA144EMT2L
Q402
2P
CN402
1
MIC_GND
2
MIC_SIG
MAZR082H0AS0
D401
1
4
3
2
LND401
STATIC_GND
ST_GND
1
A
AU_2.9V
REG_GND
10V
4.7u
C407
MIC901
SP_OUT+
SP_OUT-
GND
GND
VL_3V
VL_3v
D
SY-81 BOARD (7/13)
G
E
C
B
F
XX MARK:NO MOUNT
7
8
4
11
10
9
6
2
5
3
12
05
AUDIO AMP
IC401
AUDIO(AU BLOCK)
REC
SIGNAL PATH
PB
SIGNAL
AUDIO
FLEXIBLE
(PAGE 4-42)
LND303-LND308
FP-586
MICROPHONE
MUTE
MUTE
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