Read Sony ICD-47 Service Manual online
ICD-47
7
7
SECTION 5
DIAGRAMS
5-1.
BLOCK DIAGRAM
18
13
40
9
11
12
7
42
43
37
14
16
19
18
29
28
36
2
72
73
72
41
8
2
32
16
74
85
65
89
88
9
8
1
6
7
2
3
4
87
82
79
80
70
77
75
76
71
21
67
66
15
68
22
63
69
84
100
3
6
4
5
41
43
5
40
42
4
3
2
13
7
19
20
17
10
11
14
6
1
2
86
4
3
64
TI–
L. P. F
MIC
H. P. F
A/D
CONVERTER
AGC
IC107
MIC AMP
IC103
TRANSMIT
SHIFT
REGISTER
RESET
SWITCH
Q111
MIC SENSE
SWITCH
Q103
SEQUENCE
AND
CONTROL
ADPCM
IC101 (1/2)
MIC101
DT
BCLKR
MCLK
BCLKT
FSR
FST
DIGITAL SIGNAL
PROCESSOR
IC104 (1/2)
DIGITAL SIGNAL
PROCESSOR
IC104 (2/2)
ADPCM
IC101 (2/2)
SYSTEM CONTROLLER
IC701
SDI
SCLK
SLDA
MDISD0
SSN
SCK
IOPD0
IOPD1
DAV
RDY
RSTB
REAL TIME CLOCK
IC703
DSPSI
DSPSSN
DSPSCK
DSPFRM
DSPSTP
DSPDAV
DSPRDY
DSPRST
DSPSO
BEEP
LMUTE
DSPSI
SDO
X701
32.768kHz
OSCIN
SOCOUT
32KOUT
INTR
CE
SCLK
SO
SI
RTCINT
RTCCE
RTCCLK
RTCDI
RTCDO
32 – 61
23 – 26
S0 – S29
COM0 – COM3
LEDPB
LEDREC
ND701
LIQUID
CRYSTAL
DISPLAY
XTALA
LINE MUTING
Q105
D/A
CONVERTER
LED DRIVE
Q506 (1/2)
LED DRIVE
Q506 (2/2)
B+ SWITCH
Q106, 107
RECEIVE
SHIFT
REGISTER
DR
RO–
OPR
L. P. F
D504
VOL
RV101
J101
+
SP101
(SPEAKER)
•
SIGNAL PATH
: PLAY
: REC
18 – 21, 24 – 27
91 – 98
FMIO0 – FMIO7
I/O0 – I/O7
FLASH MEMORY
(32BIT)
IC702
R/B
CE
WP
GND
RE
WE
ALE
CLE
XFMBSY
WAKEUP
KEY1
KEY0
XHOLD
SPDSW
XTEST
XFMCE
XFMWP
XFMSE
XFMRE
XFMWE
XFMALE
XFMCLE
MICSEL
X702
5MHz
XT1
X2
X1
DSPMCK
Q0
CLKIN
AMPPOW
PLLCRL
APOWER
CE
DIVIDER
IC106
GRN
(PLAY)
RED
(REC)
1.5V
(POWER AMP (IC102) B+)
3.3V
ADPCM (IC101), DSP (IC104),
DIVEDER (IC106), LED B+
3.3V
MIC AMP (IC103),
AGC (IC107) B+
3.3V
SYSTEM CONTROLLER (IC701), FLASH
MEMORY (IC702), REAL TIME CLOCK (IC703) B+
+3.3V
REGULATOR
IC503
+3.3V
REGULATOR
IC506
DC/DC
CONVERTER
IC502, Q502
DC/DC
CONVERTER
IC501
DC/DC CONVERTER
CONTROL
Q507
VOLTAGE
DETECT
IC504
RESET SIGNAL
GENERATOR
IC505
POWER
SWITCHING
Q508
BATT B+
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION R03)
1PC. 1.5V
BATT B+
XSPOWER
XRESET
BATT
PLAY SPEED
>
HOLD
MENU
FILE
ERASE
TP701
(TEST)
S712
FAST
NORMAL
SLOW
S711
OFF
HOLD
WAKE UP CONTROL
SWITCH
Q701 – 703
S701 – 705
S707 – 709
S707
STOP
(SELECT)
– .
>
+
S701
REC
START/STOP
PLAY/STOP
Nx
(EXECUTE)
S702
S703
S704
S705
S708
S709
v
POWER AMP
IC102, Q108, 109
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