Audio) Schematic Diagram - Sony Cyber-shot DSC-F707 Service Manual

DSC-F707
FR-181 (AUDIO) SCHEMATIC DIAGRAM • See page 4-35 for FR-181 printed wiring board.
1 2
FR-181 BOARD (3/4)
A AUDIO(AU BLOCK)
-REF.NO.:2,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
AU_HGL_SEL
24
SP_VOL
FR-181 BOARD (4/4)
AU_AINL
AU_AOUT
R259
C267
2200p
C
D
SIGNAL PATH
AUDIO
SIGNAL
REC
E
PB
25
MIC_SIG
FR-181 BOARD (4/4)
REG_GND
F
05
AUDIO
FR-181 (3/4)
3 4 5
470
1.7
REC_OUT
1.7
BIAS
1.7
LPF_OUT
1.7
LPF_IN2
C256 1.7
0.022u
LPF_IN1
C259 4.7u 6.3V 1.7
AGC_OUT
R253 R255
4700 R260
3300 GND
47k
0
AGC_DET
C257
C260 1u 1.7
6800p
R254 WHPF_OUT
0 R261 56k
R258
WHPF_BIAS
27k
R256 1500 1.7
WHPF_IN
LING_IN
R252 C258
5600 C262
3300p
0.015u
C263
0.015u
R257
C264
2200
0.01u
C251
XX
4-43
6 7
R270
33k
R277
47k C287
C273
0.1u
1u
2200
C265 C289
R265
10u 0.1u
C268
6.3V
0.47u
C274
R273 100
0.47u
0
3.4
24 23 22 21 20 19 18 17 16 15 14 13
0.3
SPAGC_DET
2.5
BEEP
0.4
XBEEP_MUTE
2.4
BEEP_OUT
IC251
C275
0.47u
BEEP_MIX_IN
AUIDO AMP
2.4
AGND
IC251
AN2905FHQ-EB
MIX_OUT
2.4
SPA_IN
2.4
VREF_SP
1.7 2.4
SP_OUT-
SP_GND
SP_OUT+
2.4
C276
10u
6.3V
37 38 39 40 41 42 43 44 45 46 47 48
4.4
R262
2
12k
R275
100k
Q252
C271
C266 UN9216J-(K8).SO
10u 6.3V
0.1u AUDIO MUTE
R274
3.3
R251 C269
2200
0 10u
10V
0
C290
10u
6.3V
C252
C272
XX
10u
10V
L251
10uH
8 9 10
R278
XX
XX
R279
R280 0
L252
10uH
C291
10u 6.3V
C278
1u
C279
1u
R267 47k
C284
R268
0.47u
68k
C280 4.7u 6.3V
R271
100k
C288
0.047u R272
47k
R266
XX
C277
10u
10V
C281
0.01u
C254
C253
XX
C283 L253
C282
1u 10uH
5
0.01u
4.9
Q251
C285
FMMT617TA
0.01u
B+ SWITCH
4.4
3.4
R269
D251
10
XX
0
Q253
UN9113J-(K8).SO
AUDIO MUTE
4-44
11 12
8
FR-181 BOARD (1/4)
A_4.9V
4
D_3.2V FR-181 BOARD (1/4)
A_3.2V
3
FR-181 BOARD (1/4)
CAM_P_5V
XAU_SP_MUTE
26
XAU_POWER_SAVE
FR-181 BOARD (4/4)
XAU_LINE_MUTE
19
BEEP
FR-181 BOARD (2/4)
BEEP_ON
SP-
SP+
27
FR-181 BOARD (4/4)
XX
REG_GND
(SP_GND)
REG_GND
28
FR-181 BOARD (4/4)
AU_OUT