ICD-47 — Sony Audio Service Manual (repair manual). Page 11

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11
ICD-47
• Waveforms
1
IC101 
7
 (FSR), 
qf
 (FST)
IC104 
rd
 (SLDA)
1 V/DIV, 50 
µ
s/DIV
3.4 Vp-p
150 
µ
s
2
IC101 
9
 (BCLKR), 
qa
 (MCLK),
qs
 (BCLKT), IC104 
rs
 (SCLK)
1 V/DIV, 200 ns/DIV
3
IC104 
es
 (XTALA), IC106 
6
 (Q0)
1 V/DIV, 100 ns/DIV
4
IC106 
3
 (CLKIN), IC701 
qg
 (DSPMCK)
1 V/DIV, 20 
µ
s/DIV
5
IC701 
ul
 (X2)
2 V/DIV, 100 ns/DIV
6
IC701 
is
 (XT1), IC703 
1
 (32KOUT)
1 V/DIV, 10 
µ
s/DIV
7
IC701 
ij
 (RTCINT), IC703 
6
 (INTR)
2 V/DIV, 200 ms/DIV
8
IC703 
8
 (OSCOUT)
200 mV/DIV, 10 
µ
s/DIV
9
IC501 
4
 (LX)
1 V/DIV, 5 
µ
s/DIV
0
IC502 
4
 (LX)
2 V/DIV, 5 
µ
s/DIV
qa
Q502 (Base)
200 mV/DIV, 5 
µ
s/DIV
qs
Q502 (Collector)
1 V/DIV, 5 
µ
s/DIV
3.4 Vp-p
565 ns
4.6 Vp-p
282 ns
73.5 
µ
s
3.4 Vp-p
3.6 Vp-p
200 ns
2.5Vp-p
30.6 
µ
s
4.3 Vp-p
500 ms
1.1 Vp-p
30.6 
µ
s
4.3 Vp-p
9.9 
µ
s
3.6 Vp-p
11.2 
µ
s
0.9 Vp-p
11.1 
µ
s
4.6 Vp-p
3.6 
µ
s
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
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
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
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
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
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
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)
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)
69
XSPOWER
O
Power on/off control signal output for analog power supply to the DC/DC converter circuit
“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
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”
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
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.
• 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.
• Color Indication of Appearance Parts
Example:
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
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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