Sony DSC-P2 Service Manual page 18

COVER
COVER
For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
2
1
SY-77 BOARD (8/10)
A AUDIO(AU BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
AU_AINL
14
(2/10)
R201
470
AU_AOUT
C201
2200p
C
D
SIGNAL PATH
AUDIO
SIGNAL
REC
E
PB
MIC901
CN705 2P
MIC_SIG 2
MIC
MIC_GND 1
F
05
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
3 4 5
R211
47k
C213
0.47u
2.9
24
1.4
REC_OUT
C202 0.47u
1.4
R221
BIAS
6800
1.4
LPF_OUT
R228
1.4
68k
LPF_IN2
C204
1.4
6800p
LPF_IN1
R205 3300
1.4
AGC_OUT
C209
R202
4.7u
R208
3300 GND
6.3V
47k
0
AGC_DET
C205
C208
1.4
0.022u
1u
C203
WHPF_OUT
R204 R209
6800p
1.4
0
56k
R207
WHPF_BIAS
27k
1.4
WHPF_IN
R206
1500
LING_IN
C210
R203
C206 0.015u
1500
0.022u
C211
37 38 39 40 41 42 43 44 45 46 47 48
0.015u
0
R212
10k
R210
C212
2200
0.01u
R213
1200
R227
0
4-23
SY-77 BOARD SIDE A SY-77 BOARD SIDE A SY-77 BOARD SIDE B SY-77 BOARD SIDE B
6 7
L202
R219
C222
C221
0.1u 33k
0.1u
R217
C223
C242
2200
0.1u
10u
R216 100 C224
0.47u
2.9 0 2.5
23 22 21 20 19 18 17 16 15 14 13
0
SPAGC_DET
R222
2.4
BEEP
0.4
XBEEP_MUTE
2.4
BEEP_OUT
2.5
IC201
C232
BEEP_MIX_IN C226
0.047u
0.47u
AGND
AUDIO AMP
2.5
IC201 MIX_OUT
AN2905FHQ-EB
C231
SPA_IN
10u
2.5
VREF_SP
2.5
SP_OUT-
SP_GND
2.5
SP_OUT+
C227
4.7u
10V
5.0
C219
C217
C215 Q201
10u
1u
0.1u UNRL21600AS0
AUDIO MUTE
C218
UNRL11300AS0
10u
R218
AUDIO MUTE
2200
R215
1k
C220
C225
L201
10u
10u
10uH 10V
Note:
6.3V
:Voltage measurment of the CSP IC
and the transistors with
not possible.
8 9 10
R225
XX
XAU_POWER_SAVE
AU_HGL_SEL
10uH
XAU_SP_MUTE
XAU_LINE_MUTE
SP_VOL
C229
10u
6.3V
C230
0.1u
C233
1u
C234
C239
R226
4.7u 0.47u
68k
47k
6.3V
BEEP
BEEP_ON
R224
100k
R223
AU_OUT
47k
SP- 44
SP+
C235
0.01u
AU_2.9V
C236
0.01u
A_2.9V
A_4.9V
C214
4.7u
10V
L203
10uH
M_5V
REG_GND
R220
100k
Q202
mark,is
4-24
DSC-P2
11
30
(6/10)
41
(7/10)
(7/10)
9
(2/10)
45
(10/10)
SY-77 (8/10)