Sony STR-DE445 / STR-DE545 / STR-SE501 Service Manual ▷ View online
21
1
DISEL
I
Input data select. (connected to ground.)
2
DOUT
O
EIAJ data and parity flag output terminal (Not used)
3
DIN0
I
Amplifier integrate data input terminal
4
DIN1
O
Amplifier integrate data input terminal
5
DIN2
I
Amplifier integrate data input terminal
6
D. GND
—
Digital ground
7
D. VDD
O
Digital power supply
8
R
I
Input terminal for VCO generator band adjustment
9
V IN
I
Input terminal for VCO self running frequency set
10
LPF
O
External LPF for PLL is connected to this terminal
11
A. VDD
—
Analog power supply
12
A. GND
—
Analog ground
13
CK OUT
—
256fs or 128fs clock output terminal (Select CLKMD terminal)
14
BCK
O
Bit clock output terminal
15
LRCK
O
“L, R clock output terminal (L-ch: “H”, R-ch: “L”)”
16
DATA O
O
Audio data output terminal
17
XSTATE
O
Xtal status frag output.
18
D. GND
—
Digital ground
19
D. VDD
—
Digital power supply
20
XMCK
—
Not used.
21
XOUT
O
Crystal oscillator output terminal (Not used.)
22
XIN
I
Crystal oscillator input terminal
23
EMPHA
O
Emphasis monitor output terminal (“H” = ON) (Not used.)
24
AUDIO
—
Not used.
25
CSFLAG
O
C-bit change frag output. (Not used.)
26
F0/P0/C0
—
Not used.
27
F1/P1/C1
—
Not used.
28
F2/P2/C2
—
Not used.
29
F3/P3/C3
—
Not used.
30
D. VDD
—
Digital power supply
31
D. GND
—
Digital ground
32
AUTO
O
Non PCM data detect flag output. (Not used.)
33
BPSYNC
O
Non PCM sync detect flag output. (Not used.)
34
ERROR
O
Error mute output terminal
35
DO
O
Microprocessor I/F. When CCB/SUB is “H”, data output terminal (high level open drain output)
36
DI
I
Microprocessor I/F. Data input terminal
37
CE
I
Microprocessor I/F. Chip enable/latch input terminal
38
CLK
I
Microprocessor I/F. Clock input terminal
39
XSEL
I
Xtal select. (Connected to +5V.)
40
MODE0
I
Mode 0 input. (Connected to ground.)
41
MODE1
I
Mode 1 input. (Connected to ground.)
42
D. GND
—
Digital ground
43
D. VDD
—
Digital power supply
44
DOSEL0
O
Output data select 0. (Connected to ground.)
45
DOSEL1
O
Output data select 1. (Connected to ground.)
46
CKSEL0
I
System clock select input 0. (Connected to ground.)
47
CKSEL1
I
System clock select input 1. (Connected to ground.)
48
XMODE
I
Reset input.
Pin No.
Pin Name
I/O
Function
3-14. IC PIN FUNCTIONS
• IC1004 LC89055W-RA8 DIGITAL AUDIO I/F RECEIVER (DIGITAL BOARD)
22
1
VDD1
—
Power supply. (+5v.)
2
RAMCEN
O
External RAM chip select output.
3, 4
RAM16, 15
O
External RAM address data output. (Not used.)
5 – 7
SDIB0 – 2
I
PCM input to sub DSP. (Not used.)
8
XI
I
Xta’l 12.288MHz input.
9
XO
O
Not used.
10
VSS
—
Ground.
11
AVDD
—
Power supply. (+3.3v)
12
SDIB3
O
PCM input to sub DSP. (Not used.)
13, 14
TEST
—
Test terminal.(Not used.)
15
OVFB
O
Sub DSP over fllow detect. (Not used.)
16
DTS DATA
O
DTS data detect. (Not used.)
17
AC3 DATA
O
AC-3 data detect. (Not used.)
18
SDOB3
O
PCM output from Sub DSP. Not used.
19
CPO
O
Output for PLL.Connected to external analog filter.
20
AVSS
—
Ground.
21
VDD2
—
Power supply. (+3.3v.)
22 – 24
SDOA2 – 0
O
PCM output from Main DSP. (Not used.)
25 – 29
RAMA14 – 10
O
External RAM address data output.
30
VSS
—
Ground.
31
VDD1
—
Power supply. (+5v.)
32 – 39
OPORT0 – 7
O
Not used.
40
VSS
—
Ground.
41
VDD2
—
Power supply. (+3.3v)
42 – 44
RAMA9 – 7
O
External RAM address data output.
45 – 47
SDOB2-0
O
PCM output from Sub DSP.
48
SDBCK1
I
Bit clock input for SDOA, SDIB, SDOB. (Not used.)
49
SDWCK1
I
Word clock input for SDOA, SDIB, SDOB. (Not used.)
50
VSS
—
Ground.
51
VDD2
—
Power supply. (+3.3v.)
52
NONPCM
O
Non-PCM data detect. (Not used.)
53
CRC
O
AC-3 CRC error detect.(Not used.)
54
MUTE
O
Auto mute detect.(Not used.)
55
KARAOKE
O
AC-3 karaoke data detect. (Not used.)
56
SURENC
O
AC-3 2/0 mode dolby surround encode input detect. (Not used.)
57
SDBCKO
O
SDBCK0 inverter clock output. (Not used.)
58, 59
RAMA6, 5
O
External SRAM address data output.
60
VSS
—
Ground.
61
RAMA4
O
External SRAM address data output.
62
IC
I
Initial clear.
63
TEST
—
Test terminal. (Not used.)
64
RAMA3
O
External SRAM address data output.
65
CSB
I
Chip select input for Sub DSP.
66
CSB
I
Microcomputer interface chip select input.
67
SO
O
Microcomputer interface data output.
68
SI
I
Microcomputer interface data input.
69
SCK
I
Microcomputer interface clock input.
70
RAMA2
O
External SRAM address data output.
Pin No.
Pin Name
I/O
Function
• IC1006 CXD9511AQ Audio DISP (DIGITAL BOARD)
23
Pin No.
Pin Name
I/O
Function
71
VDD1
—
Power supply. (+5v.)
72 – 79
RAMD0 – 7
I/O
External SRAM data input/output.
80
VSS
—
Ground.
81
VDD2
—
Power supply. (+3.3v.)
82
SDWCKO
I
Bit clock input for SDOA, SDIB, SDOB.
83
SDBCKO
I
Word clock input for SDOA, SDIB, SDOB.
84
SDIA0
I
AC-3/DTS bitstream or PCM data input to Main DSP.
85
SDIA1
O
AC-3/DTS bitstream or PCM data input to Main DSP.
86
RAMA1
O
External SRAM address data output.
87
RAMA0
O
External SRAM address data output.
88
RAMWEN
O
Write enable for external SRAM.
89
RANOEN
O
Output enable for external SRAM.
90
VSS
—
Ground.
91
VDD2
—
Power supply. (+3.3v.)
92 – 99
IPORT7 – 0
I
Not used.
100
VSS
—
Ground.
24
Pin Name
I/O
Function
1
SDOS
I
SDTO source select pin
“L”: internal ADC output, “H”: DAUX input
ORed with serial control register if P/S = “L” (Connected to ground)
2
I2C
I
Serial control mode select pin
3
S MUTE
I
Soft mute pin
“H”: Soft mute ON, “L”: OFF
4
BCLK
I/O
Audio serial data clock pin
5
LRCK
I/O
Input/output channel clock pin
6
SDT11
I
DAC1 audio serial data input pin
7
SDT12
I
DAC2 audio serial data input pin
8
SDT13
I
DAC3 audio serial data input pin
9
SDTO
O
Audio serial data output pin
10
DAUX
I
AUX audio serial data input pin (Connected to ground)
11
DFS
I
Double speed sampling mode pin
“L”: normal speed, “H”: double speed
ORed with serial control register if P/S = “L”
12 – 13
DEM1 – DEM0
I
De-emphasis pin
ORed with serial control register if P/S = “L” (Connected to ground)
14
TVDD
—
Connected to digital power supply.
15
D. 5V
—
Digital power supply pin
16
D. GND
—
Digital ground pin
17
PDN
I
Power-down & reset pin
When “L”, the AK4527 is powered-down and the control registers are reset to default state.
If the state of CAD0-1 changes, then the AK4527 must be reset by PDN.
18
ICKS2
I
Input clock select 2 pin. (Connected to ground)
19
ICKS1
I
Input clock select 1 pin. (Connected to digital power supply)
20
ICKS0
I
Input clock select 0 pin. (Connected to digital power supply)
21
CAD1
I
Chip address pin
Used during the serial control mode. (Connected to ground)
22
CAD0
I
Chip address pin
Used during the serial control mode. (Connected to ground)
23
LOUT3
O
Lch #3 analog output pin
24
ROUT3
O
Rch #3 analog output pin
25
LOUT2
O
Lch #2 analog output pin
26
ROUT2
O
Rch #2 analog output pin
27
LOUT1
O
Lch #1 analog output pin
28
ROUT1
O
Rch #1 analog output pin
29
LIN–
I
Lch analog negative input pin
30
LIN+
I
Lch analog positive input pin
• IC1008 AK4527 A/D, D/A CONVERTER (DIGITAL BOARD)
Pin No.
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