Sony ST-S9 Service Manual page 24

ST-S9
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3 7 63 1515 0
• DSP BOARD IC605 AK4527 (A/D, D/A CONVERTER)
Pin No. Pin Name
SDOS
1
2 I2C
3 SMUTE
4 BICK
5 LRCK
6 to 8 SDTI1 to SDIT3
9 SDTO
10 DAUX
DFS
11
DEM1
12
DEM0
13
TVDD
14
DVDD
15
16 DVSS
PDN
17
18 to 20 ICKS2 to ICKS0
CAD1, CAD0
21, 22
23 LOUT3
ROUT3
24
TE
L 13942296513
LOUT2
25
ROUT2
26
27 LOUT1
ROUT1
28
LIN–
29
LIN+
30
31 RIN–
RIN+
32
DZF2
33
VCOM
34
VREFH
35
36 AVDD
AVSS
37
DZF1
38
MCLK
39
40 P/S
DIF0
41
DIF1
42
LOOP0, LOOP1
43, 44
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I/O
Audio serial data source selection signal input terminal
I
"L": internal ADC output, "H": DAUX input (fixed at "L" in this set)
I
Serial control mode selection signal input terminal "L": 3-wire serial, "H": I2C bus
I
Soft muting on/off signal input from the system controller (IC501) "L": muting on
I Bit clock signal (2.8224 MHz) input from the CXD9617R (IC601)
I
L/R sampling clock (44.1 kHz) signal input from the CXD9617R (IC601)
I
Audio serial data input from the CXD9617R (IC601)
O
Audio serial data output to the CXD9617R (IC601)
I Audio serial data input terminal Not used (fixed at "L")
Double speed sampling mode signal input terminal
I
"L": normal speed, "H": double speed (fixed at "L" in this set)
I
De-emphasis signal input terminal Fixed at "L" in this set
I
De-emphasis signal input terminal Fixed at "H" in this set
—
Power supply terminal (+5V) (for output buffer )
—
Power supply terminal (+5V) (digital system)
— Ground terminal (digital system)
I
Power down and reset signal input from the M61512FP (IC607) "L": power down and reset
I
Input clock signal selection terminal Fixed at "L" in this set
I
Chip address signal input terminal Not used (fixed at "L")
O Analog signal output for center to the M61512FP (IC607)
O
Analog signal output for sub woofer to the M61512FP (IC607)
O
Analog signal output for surround L-ch to the M61512FP (IC607)
O
Analog signal output for surround R-ch to the M61512FP (IC607)
O Analog signal output for front L-ch to the M61512FP (IC607)
O
Analog signal output for front R-ch to the M61512FP (IC607)
I
L-ch analog signal negative input from the M61512FP (IC607)
I
L-ch analog signal positive input from the M61512FP (IC607)
I R-ch analog signal negative input from the M61512FP (IC607)
I
R-ch analog signal positive input from the M61512FP (IC607)
I
Zero input detection terminal
Common voltage output terminal
O
Large external capacitor is used to reduce power supply noise
I
Reference voltage (+5V) input terminal
— Power supply terminal (+5V) (analog system)
—
Ground terminal (analog system)
I
Zero input detection terminal
I
Master clock signal input from the CXD9617R (IC601)
Parallel/serial selection signal input terminal
I
"L": serial control mode, "H": parallel control mode (fixed at "H" in this set)
I
Audio data interface format terminal Fixed at "L" in this set
I
Audio data interface format terminal Fixed at "H" in this set
I
Loop back mode setting terminal Fixed at "L" in this set
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8
Description
Q Q
3 6 7 1 3
Not used (open)
Not used (open)
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9