Sony ICD-47 Service Manual ▷ View online
12
ICD-47
5-4.
IC PIN FUNCTION DESCRIPTION
•
IC104 1609J--VA11H-DB (DIGITAL SIGNAL PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
VDD
—
Power supply terminal (+3.3V)
2
RDY
O
Interrupt output terminal of ready/busy detection signal to the system controller (IC701)
“L”: ready, “H”: busy
“L”: ready, “H”: busy
3
SLDB
I/O
Not used (open)
4
OSCBYP
I
Not used (fixed at “H”)
5
INTB
I
Not used (open)
6 to 11
IOPA7 to IOPA2
I/O
Not used (open)
12
VSS
—
Ground terminal
13
VDD
—
Power supply terminal (+3.3V)
14, 15
IOPA1, IOPA0
I/O
Not used (open)
16
MDISDO
O
Recording serial data output to the system controller (IC701) “H” active
17
MDISDI
I
Playback serial data input from the system controller (IC701) “H” active
18
SCK
I
Serial clock signal input from the system controller (IC701) “H” active
19
SSN
I
Transmission status input from the system controller (IC701) “L” active
20
TDO
O
Not used (open)
21
TDI
I
Not used (open)
22
VSS
—
Ground terminal
23
VDD
—
Power supply terminal (+3.3V)
24
TCK
I
Not used (open)
25
TMS
I
Not used (open)
26
IOPD3
I/O
Not used (open)
27
RWN
O
Not used (open)
28
IOPD1
I
Stop signal input from the system controller (IC701) “L” active
29
IOPD0
O
Interrupt output terminal of frame signal to the system controller (IC701) “H” active
30
VSS
—
Ground terminal
31
XTALB
I/O
Not used (fixed at “L”)
32
XTALA
I
PLL clock signal (4.096 MHz) input from the divider (IC106) “H” active
33
VSSA
—
Ground terminal
34
VDDA
—
Power supply terminal (+3.3V)
35
VPP
—
Not used (open)
36
DAV
O
Available data output to the system controller (IC701) “H” active
37
RSTB
I
Reset signal and power down detection signal input from the system controller (IC701)
“L”: reset or power down
“L”: reset or power down
38
VDD
—
Power supply terminal (+3.3V)
39
VSS
—
Ground terminal
40
SDI
I
Recording serial data input from the ADPCM (IC101)
41
SDO
O
Playback serial data output to the ADPCM (IC101)
42
SCLK
O
Serial clock signal output to the ADPCM (IC101)
43
SLDA
O
Serial data output to the ADPCM (IC101)
44
VSS
—
Ground terminal
13
ICD-47
•
IC701
µ
PD780308GC-A31-8EU (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
KEY0
I
Key input terminal (A/D input) S701 to S705 (STOP, REC START/STOP, Nx PLAY/STOP
(EXECUTE), – . (SELECT), > + (SELECT) ) keys input
(EXECUTE), – . (SELECT), > + (SELECT) ) keys input
2
KEY1
I
Key input terminal (A/D input) S707 to S709 (MENU, FILE, ERASE) keys input
3
SPDSW
I
PLAY SPEED select switch (S712) input terminal (A/D input)
“L”: SLOW, “M”: FAST, “H”: NORMAL
“L”: SLOW, “M”: FAST, “H”: NORMAL
4
XHOLD
I
HOLD switch (S711) input terminal “L”: HOLD ON, “H”: HOLD OFF
5
LMUTE
O
Line muting control signal output terminal “H”: line muting on
6
MICSEL
O
Microphone sensitivity select signal output terminal
“L”: mic sensitivity low, “H”: mic sensitivity high
“L”: mic sensitivity low, “H”: mic sensitivity high
7
XFMCE
O
Chip enable signal output to the flash memory (IC702) “L” active
8
VDD0
—
Power supply terminal (+3.3V)
9
AVREF
I
Reference voltage input terminal (for A/D converter)
10
XFMWE
O
Write enable signal output to the flash memory (IC702) “L” active
11
XFMALE
O
Address latch enable signal output to the flash memory (IC702) “L” active
12
VSS1
—
Ground terminal
13
XFMBSY
I
Ready/busy detection signal input from the flash memory (IC702) “L” active
14
XFMCLE
O
Command latch enable signal output to the flash memory (IC702) “L” active
15
DSPMCK
O
Sampling frequency sync signal output to the digital signal processor (IC104) “H” active
16
DSPSSN
O
Transmission status output to the digital signal processor (IC104) “L” active
17
XFMRE
O
Read enable signal output to the flash memory (IC702) “L” active
18
NC
—
Not used (open)
19
XFMWP
O
Write protect signal output to the flash memory (IC702) “L” active
20
XFMSE
O
Spare space enable signal output to the flash memory (IC702) “L” active
21
BEEP
O
Beep sound drive signal output terminal (2.4 kHz) “H” active
22
PLLCRL
O
Serial data transfer clock signal output to the divider (IC106)
Power on/off control signal output for the ADPCM (IC101), digital signal processor (IC104),
divider (IC106) and LED power supply “H”: power on
Power on/off control signal output for the ADPCM (IC101), digital signal processor (IC104),
divider (IC106) and LED power supply “H”: power on
23 to 26
COM0 to COM3
O
Common drive signal output to the liquid crystal display (ND701) “H” active
27
BIAS
O
Power supply output terminal for the liquid crystal display (ND701) “H” active
28 to 30
VLC0 to VLC2
I
Power supply input terminal for the liquid crystal display (ND701) “H” active
31
VSS0
—
Ground terminal
32 to 61
S0 to S29
O
Segment drive signal output to the liquid crystal display (ND701) “H” active
62
NC
—
Not used (open)
63
APOWER
O
Power on/off control signal output for the mic amplifier (IC103) and AGC (IC107)
“H”: power on (rec mode)
“H”: power on (rec mode)
64
XTEST
I
Setting terminal for the test mode “L”: test mode (Normally: fixed at “H”)
65
DSPSTP
O
Stop signal output to the digital signal processor (IC104) “L” active
66
LEDREC
O
LED drive signal output of the REC indicator (D504 red) “H”: LED on (rec mode)
67
LEDPB
O
LED drive signal output of the PLAY indicator (D504 green) “H”: LED on (play mode)
68
AMPPOW
O
Power on/off control signal output to the power amplifier (IC102)
“H”: power on (play mode)
“H”: power on (play mode)
69
XSPOWER
O
Power on/off control signal output for analog power supply to the DC/DC converter circuit
“L”: power on
“L”: power on
70
RTCCE
O
Chip enable signal output to the real time clock (IC703) “H” active
71
DSPRST
O
Reset signal and power down detection signal output to the digital signal processor (IC104)
“H”: reset or power down
“H”: reset or power down
14
ICD-47
Pin No.
Pin Name
I/O
Description
72
DSPSI
I
Recording serial data input from the digital signal processor (IC104) “H” active
73
DSPSO
O
Playback serial data output to the digital signal processor (IC104) “H” active
74
DSPSCK
O
Serial clock signal output to the digital signal processor (IC104) “H” active
75
RTCDI
I
Serial data input from the real time clock (IC703) “H” active
76
RTCDO
O
Serial data output to the real time clock (IC703) “H” active
77
RTCCLK
O
Serial data transfer clock signal output to the real time clock (IC703) “H” active
78
IC
—
Internal connection terminal (connected to ground)
79
X2
O
Main system clock output terminal (5 MHz)
80
X1
I
Main system clock input terminal (5 MHz)
81
VDD1
—
Power supply terminal (+3.3V)
82
XT1
I
Sub system clock input terminal (32.768 kHz)
83
XT2
O
Sub system clock output terminal (32.768 kHz) Not used (open)
84
XRESET
I
System reset signal input from the reset signal generator (IC505) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
85
DSPFRM
I
Interrupt input terminal of frame signal from the digital signal processor (IC104) “H” active
86
WAKEUP
I
Key interruption processing start signal input terminal “H” active
87
RTCINT
I
Interrupt input from the real time clock (IC703) (2 Hz) “H” active
88
DSPRDY
I
Interrupt input terminal of ready/busy detection signal from the digital signal processor (IC104)
“L”: ready, “H”: busy
“L”: ready, “H”: busy
89
DSPDAV
I
Available data input from the digital signal processor (IC104) “H” active
90
AVREF
O
Reference voltage output terminal (for A/D converter) “H” active
91 to 98 FMIO0 to FMIO7
I/O
Two-way data bus with the flash memory (IC702) (bit 0 to bit 7) “H” active
99
AVSS
—
Ground terminal (for A/D converter)
100
BATT
I
Dry battery voltage detection signal input terminal (A/D input)
15
ICD-47
SECTION 6
EXPLODED VIEW
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Accessories and packing materials are given
in the last of the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-214-309-71 LID, BATTERY CASE
2
3-375-114-81 SCREW
3
3-912-036-71 KNOB (MODE)
4
4-218-420-11 CUSHION, RUBBER
5
4-214-308-91 CASE (REAR)
6
4-214-295-41 KNOB (HOLD)
7
4-214-293-21 BUTTON (SEARCH) (> +. – .)
8
4-214-312-21 BUTTON (PLAY) (Nx)
9
3-375-114-41 SCREW
10
4-216-129-01 BRACKET (SPEAKER B)
11
4-214-300-01 BRACKET (SPEAKER)
12
X-3380-570-2 CASE (FRONT) SUB ASSY
13
4-214-297-11 BRACKET (JACK)
14
3-375-114-01 SCREW
* 15
A-3021-462-A MAIN BOARD, COMPLETE
16
4-214-299-11 BRACKET (LCD)
17
4-216-159-01 HOLDER, MICROPHONE
18
4-218-124-01 SHEET (C), ADHESIVE
19
4-218-419-01 CUSHION (A)
20
4-217-198-01 SHEET (SPEAKER)
22
3-047-466-01 RETAINER, LCD
MIC101 1-542-373-11 MICROPHONE, ELECTRIC CONDENSER (MIC)
ND701
ND701
1-803-342-11 PANEL, LIQUID CRYSTAL DISPLAY
SP101
1-504-691-12 SPEAKER (3.6cm)
W501
4-214-301-01 TERMINAL (+), BATTERY
W502
4-214-302-01 TERMINAL (–), BATTERY
W701
1-694-478-11 CONDUCTIVE BOARD, CONNECTION
12
19
11
4
14
18
13
19
10
20
9
6
5
19
3
2
1
17
15
22
16
7
8
W501
W502
MIC101
ND701
W701
SP101
not supplied
not supplied
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