Sony ICD-47 Service Manual ▷ View online
ICD-47
5
MAIN BOARD
1
two screws
(M1.7
(M1.7
×
4)
2
bracket
(jack)
(jack)
3
Remove the MAIN board to
direction of the arrow.
direction of the arrow.
INSTALLATION “MAIN BOARD”, “MICROPHONE, ELECTRIC CONDENSER” (MIC101)
knob (MODE)
knob (HOLD)
S711
S712
microphone, electric condenser
(MIC101)
(MIC101)
Note: On installation MAIN board adjust the S711, S712
and knob (HOLD, MODE).
two leads
microphone,
electric condenser
(MIC101)
electric condenser
(MIC101)
Install two leads the electric condenser microphone
(MIC101) in the figure.
(MIC101) in the figure.
6
ICD-47
SECTION 4
TEST MODE
[Setting Method of Test mode]
Short TP701 (TEST) on the MAIN board with a solder bridge (con-
nect pin yf of IC701 to the ground). Then, turn on the power.
nect pin yf of IC701 to the ground). Then, turn on the power.
– MAIN BOARD (Side A) –
TP701
Short
: Test mode
Open
: Normal mode
)
(
[Releasing Method of Test Mode]
Turn off the power. Then, open the solder bridge on TP701 (TEST)
on the MAIN board.
on the MAIN board.
[Operation of Setting on Test Mode]
When the test mode is set, the LCD displays “TEST” and
[OPR]
LED lights in green.
Note:
The
[OPR]
LED turn off, if a key operated.
1. Audio test
• A howling occurs with “5P DSP LOOP” displayed on the LCD,
• A howling occurs with “5P DSP LOOP” displayed on the LCD,
if the
[REC START/STOP]
key is pressed.
• The mute turns on, if
[ +]
key is pressed.
• The mute turns off, if
[-- ]
key is pressed.
• The microphone sensitivity becomes high, if the
[HOLD]
switch
turned off.
• The microphone sensitivity becomes low, if the
[HOLD]
switch
turned on.
2. Sleep/Wake up test
• Pressing the
• Pressing the
[ ]
key causes the set to enter sleep state.
• Pressing another key causes the set to release sleep state.
3. LCD check
• LCD light up all, if the
• LCD light up all, if the
[STOP]
key is pressed.
• Even segment of LCD light up as shown below, if the
[FILE]
key is pressed.
LCD display
• Odd segment of LCD light up as shown below, if the
[ERASE]
key is pressed.
LCD display
4. Beep sound check
• A beep (2.4 kHz) is kept sounding, if the
• A beep (2.4 kHz) is kept sounding, if the
[MENU]
key is pressed.
• A beep stop sounding, if another key is pressed.
5. Power supply check
• The battery is on the O.K. level when the
• The battery is on the O.K. level when the
[OPR]
LED lights in
green only, or it is off.
• The battery is on the mark lighting level when the
[OPR]
LED
lights in green and blinks in red repeatedly.
• The battery is on the inactive level when the
[OPR]
LED blinks
in red only.
>
.
Nx
D
Y
S
D
M
M
M
REC DATE
SP
LP
REMAIN
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
ICD-47
8
8
5-2.
PRINTED WIRING BOARD
• Semiconductor
Location
Ref. No.
Location
D501
E-2
D502
D-2
D504
C-4
D701
E-3
IC101
B-4
IC102
F-3
IC103
C-9
IC104
B-3
IC106
C-3
IC107
B-2
IC501
F-2
IC502
E-2
IC503
E-2
IC504
D-3
IC505
F-3
IC506
D-2
IC701
D-8
IC702
F-8
IC703
E-4
Q103
B-9
Q105
F-2
Q106
F-2
Q107
F-9
Q108
F-3
Q109
G-2
Q111
B-8
Q502
D-2
Q506
D-4
Q507
D-3
Q508
F-9
Q701
F-2
Q702
F-2
Q703
F-2
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
G
v
• Main board is four layer printed board.
However, the patterns of layers 2 and 3 have not been included
in this diagrams.
in this diagrams.
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