Read Sony ICD-B5 Service Manual online
ICD-B5
9
9
3-2. BLOCK DIAGRAM
47 MIP
46 MIN
LOUT0
23
EGPI011
EGPI014
EGPI013
EGPI015
BGPI02
EGPI014
RSTN
26
51
XOUT
52
34
XIN
25 27 58 24 54
72
SI0
90
21
5
76
75
77
77
68
87
82
9
8
65
88
84
80
1
67
66
79
LCD701
LIQUID
CRYSTAL
DISPLAY
PANEL
LED
DRIVER
Q701
18
17
7
14
11
10
19
64
86
1
2
3
4
41
42
43
2
3
4
5
91
I
98
73
SD0
74
SCK0
89
DSPIFACK
69
XDSPIFRQ
70
DSPIFRW
71
XDSPRST
18
I
21
•
24
I
27
23
I
26
32
I
61
RESET
IC702
MIC101
MIC
J101
MIC
J102
EAR
IC701
FLASH MEMORY
I/O0
I
I/O7
R/B
RE
CE
CLE
ALE
WE
WP
SL701
(TEST)
Q702
VDD
FMI00
I
FMI07
XFMSE
XFMRE
XFMCE
XFMCLE
XFMCLE
XFMALE
XFMWE
XFMWP
XFMWP
XTEST
WAKEUP
62 MGTEST
63 MGHIGH
KEY0
KEY1
KEY2
XHOLD
S703
HOLD
OFF ON
I/O
TIMER
COUNTER
CONTROL
CONTROL
OSC
INTERRUPT
CONTROL
RTCCE
RTCINT
RTCDI
RTCCLK
RTCDO
AMPPOW
BEEP
LMUTE
XT1
DSPPOW
FLMPOW
XRESET
X1
X2
LEDPB
LEDREC
COM0
I
COM3
S0
I
S29
SI
SO
SO
SCLK
CE
INTB
32KOUT
4
3
2
2
7
6
1
+3.3V
(VCC C)
D701
OPR
(GRN)(PLAY)
(RED)(REC)
A/D,D/A CONVERTER
DSP IC101
(PLUG IN POWER)
X101
4.02MHz
X701
5MHz
MEMORY
CONTROL,
SYSTEM
CONTROL
IC703
S706-708,713
S710-712,714
S704,705,709,715
KEY-IN
DETECT
Q703-705
VCC
+3.3V
(VCCB)
VCC
VCCA
+3.3V
(VCC A)
+3.3V
(VCC B)
RV101
VOL
4
8
5
1
3
2
-IN
+IN
BYPASS
VDD
VO1
VO2
SP101
SPEAKER
IC103
POWER AMP
X702
32.768kHz
REAL TIME CLOCK
IC704
VDD
+3.3V
(VCC C)
(VCC C)
+3.3V
(VCC A)
5
2
3
IC502
+3.3V REG
VOUT
VIN
OSCIN
OSCOUT
SHUTDOWN
DC-DC
CONVERTER
(3.7V)
+3.3V
(VCC B)
5
2
3
IC503
+3.3V REG
VOUT
VIN
CE
+3.3V
(VCC C)
5
2
3
IC504
+3.3V REG
VOUT
VIN
CE
IC505,Q501
VOLTAGE
DETECTOR
Q502
BUFFER
IC506
Q101
MUTE
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
2PCS,3V
KEY MATRIX
Signal path
: PB
: REC
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