Sony STR-DG300 Service Manual ▷ View online
33
STR-DG300
IC1401 PCM1800E/2K (DIGITAL BOARD (3/5))
IC1452 PCM1609APT (DIGITAL BOARD (3/5))
SINGLE-END
DEFERENTIAL
CONVERTER
REFERENCE
SINGLE-END
DEFERENTIAL
CONVERTER
DIGITAL
MODULATOR
DIGITAL
MODULATOR
1/64
DECIMATION
FILTER
&
LOW-CUT
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
LIN
V REF 1
REFCOM
V REF 2
RIN
RSTB
FMT0
BYPASS
FMT1
MODE1
MODE0
FSYNC
1
2
3
4
5
6
8
7
9
11
10
12
AGND
VCC
C PL
C NL
C PR
C NR
DGND
SYSCL
K
DOUT
BCK
LRCK
VDD
24
23
22
21
20
19
17
16
15 14 13
18
SYSTEM
CLOCK
MANAGER
FUNCTION
CONTROL
INTERFACE
SERIAL
INPUT
INTERFACE
4X/8X
OVER SAMPLING
DIGITAL
FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-
LEVEL
DELTA-
SIGMA
MODULE
ZERO DETECT
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
RST
SCKI
SCKO
BCK
TEST
VDD
DGND
DATA1
DATA2
DATA3
ZEROA
LRCK
37
38
39
40
42
43
44
45
46
47
48
41
ZERO1
ZERO2
ZERO3
ZERO4
ZERO5
ZERO6
NC
NC
VOUT6
VOUT5
VOUT4
VOUT3
1
2
3
4
5
6
7
8
9
10
11
12
VOUT2
VOUT1
VCOM
VOUT7
AGND5
VCC5
AGND6
VOUT8
AGND4
VCC4
AGND3
VCC3
13
14
15
16
17
18
19
20
21
22
23
24
ML
MC
MDI
MDO
ZERO8
D
ATA
4
ZERO7
NC
VCC1
AGND1
VCC2
AGND2
36 35 34 33
31
32
30
29
28
27
26
25
34
STR-DG300
• IC Pin Descriptions
IC1501 CXD9718BQ (DSP) (DIGITAL BOARD (2/5))
Pin No.
Pin Name
I/O
Pin Description
1
VSS
—
Ground
2
XRST
I
Reset signal input from SYSTEM CONTROL IC
3
EXTIN
I
Not used (Connect to ground)
4
LRCKI3
I
Not used (Connect to ground)
5
VDDI
I
Power supply pin (+2.6 V)
6
BCKI3
I
Not used (Connect to ground)
7
PLOCK
O
Not used (Open)
8
VSS
—
Ground
9
MCLK1
I
Clock signal input (13.9 MHz)
10
VDDI
I
Power supply pin (+2.6 V)
11
VSS
—
Ground
12
MCLK2
O
Clock signal output (13.9 MHz)
13
MS
I
Not used (Fixed at L)
14
SCKOUT
O
Internal system clock signal output for 8CH DAC IC
15
LRCKI1
I
Sampling clock signal input from ADC IC
16
VDDE
I
Power supply pin (+3.3 V)
17
BCKI1
I
Bit clock signal input from ADC IC
18
SDI1
I
Audio IF data input from ADC IC
19
LRCKO
O
Sampling clock signal output for 8CH DAC IC
20
BCKO
O
Bit clock signal output for 8CH DAC IC
21
VSS
—
Ground
22
KFSIO
I/O
Audio clock signal (384fs/256fs) input/output for DIR IC
23 to 26
SDO1 to SDO4
O
Digital audio serial data output for 8CH DAC IC
27
SPDIF
O
Not used (Open)
28
LRCKI2
I
Sampling clock signal input from ADC IC
29
BCKI2
I
Bit clock signal input from ADC IC
30
SDI2
I
Digital audio serial data input from ADC IC
31
VSS
—
Ground
32
HACN
O
Acknowledge signal output for SYSTEM CONTROL IC
33
HDIN
I
Serial data input from SYSTEM CONTROL IC
34
HCLK
I
Clock signal input from SYSTEM CONTROL IC
35
HDOUT
O
Serial data output for SYSTEM CONTROL IC
36
HCS
I
Chip select signal input from SYSTEM CONTROL IC
37
GP12
I
GP12 signal input from SYSTEM CONTROL IC
38, 39
GP13, GP14
O
Not used (Open)
40
VDDI
I
Power supply pin (+2.6 V)
41
VSS
—
Ground
42
GP15
O
Not used (Open)
43
OE0
O
Not used (Open)
44
CS0
O
External memory chip select signal output for D/A converter IC (SDRAM)
45
WE0
O
SDRAM write enable signal output for D/A converter IC (SDRAM)
46
VDDE
I
Power supply pin (+3.3 V)
47
WMD1
I
Not used (Fixed at H)
48
VSS
—
Ground
49
WMD0
I
Not used (Fixed at H)
50
PAGE2
O
Not used (Open)
51
VSS
—
Ground
52, 53
PAGE1, PAGE0
O
Not used (Open)
54
BOOT
I
Not used (Connect to ground)
55
TST1
O
Not used (Open)
56
BST
I
Boot stop signal input from SYSTEM CONTROL IC
35
STR-DG300
Pin No.
Pin Name
I/O
Pin Description
57
MOD1
I
Operation mode signal input (L: 386fs, H: 256fs) (Fixed at H)
58
MOD0
I
Operation mode signal input (L: single chip mode, H: use prohibited) (Fixed at L)
59
EXLOCK
I
Error detection signal input from DIR IC
60
VDDI
I
Power supply pin (+2.6 V)
61
VSS
—
Ground
62, 63
A17, A16
O
Not used (Open)
64 to 66
A15 to A13
O
External memory address signal output for D/A converter IC (SDRAM)
67
GP10
O
Not used (Open)
68
GP9
O
GP9 signal output for SYSTEM CONTROL IC
69
GP8
I
Audio signal input from DIR IC
70
VDDI
I
Power supply pin (+2.6 V)
71
VSS
—
Ground
72 to 75
D15/GP7 to D12/GP4
I/O
External memory data input/output for D/A converter IC (general port)
76
VDDE
I
Power supply pin (+3.3 V)
77 to 80
D11/GP3 to D8/GP0
I/O
External memory data input/output for D/A converter IC (general port)
81
VSS
—
Ground
82
A9
O
External memory address signal output for D/A converter IC (SDRAM)
83 to 85
A12 to A10
O
External memory address signal output for D/A converter IC (SDRAM)
86
TDO
O
Not used (Fixed at H)
87
TMS
I
Not used (Fixed at H)
88
XTRST
I
Not used (Fixed at H)
89
TCK
I
Not used (Fixed at H)
90
TDI
I
Not used (Fixed at H)
91
VSS
—
Ground
92 to 97
A8 to A3
O
External memory address signal output for D/A converter IC (SDRAM)
98, 99
D7, D6
I/O
External memory data input/output for D/A converter IC (SDRAM)
100
VDDI
I
Power supply pin (+2.6 V)
101
VSS
—
Ground
102 to 105
D5 to D2
I/O
External memory data input/output for D/A converter IC (SDRAM)
106
VDDE
I
Power supply pin (+3.3 V)
107, 108
D1, D0
I/O
External memory data input/output for D/A converter IC (SDRAM)
109, 110
A2, A1
O
External memory address signal output for D/A converter IC (SDRAM)
111
VSS
—
Ground
112
A0
O
External memory address signal output for D/A converter IC (SDRAM)
113
PM
I
PLL initialization signal input from SYSTEM CONTROL IC
114, 115
SDI3, SDI4
I
Not used (Open)
116
SYNC
I
Sync/async select signal input (L: sync, H: async) (Fixed at H)
117
TST2
I
Not used (Connect to ground)
118
GP11
I
Not used (Connect to ground)
119
TST3
I
Not used (Connect to ground)
120
VDDI
I
Power supply pin (+2.6 V)
36
STR-DG300
IC1101 MB90488BPF-G-220E1 (SYSTEM CONTROL) (DIGITAL BOARD (5/5))
Pin No.
Pin Name
I/O
Pin Description
1
DATAO
I
Serial data line signal input from DIR IC
2
GP9
I
GP9 signal input from DSP IC
3
BST
O
Boot stop control signal output for DSP IC
4
HCS
O
Chip select signal output for DSP IC
5
HACN
I
Acknowledge signal input from DSP IC
6
XRST
O
Reset signal output for DSP IC
7
PM
O
PLL control signal output for DSP IC
8
GP12
O
GP12 signal output for DSP IC
9
FL_LAT
O
Latch signal output for FL driver IC
10
PCM1609/1800_RST
O
Reset signal output for 8CH DAC IC/ADC IC
11
VSS
—
Ground
12
PCM1609_ML
O
Serial latch signal output for 8CH DAC IC
13
PCM1609_MC/XMDACMC
O
Serial clock signal output for 8CH DAC IC
14
PCM1609_MDI/XMDACMI
O
Serial data output for 8CH DAC IC
15
PCM1609_MDO
I
Serial data input from 8CH DAC IC
16
T.SERIAL_CLK/FL_CLK
O
Serial clock signal output for tuner pack/Clock signal output for FL driver IC
17
TUNER_DATA/FL_DATA
O
Serial data output for tuner pack/Serial data output for FL driver IC
18
HDOUT
I
Serial data input from DSP IC
19
HDIN
O
Serial data output for DSP IC
20
HCLK
O
Serial data clock signal output for DSP IC
21
TUNING_A
I
TUNING +/– encoder (A) signal input
22
TUNING_B
I
TUNING +/– encoder (B) signal input
23
VCC5
—
Power supply pin (+3.3 V)
24
FL_RESET (DE8)
O
Not used (Fixed at L)
25
ANA/DIG
O
Not used (Open)
26
XM_RST
O
Not used (Open)
27
FLASH2/XM_RX
I
Flash programming signal input 2
28
FLASH1/XM_TX
O
Flash programming signal output 1
29
SDA
I/O
Serial data input/output for EEPROM IC
30
SCL
O
Clock signal output for EEPROM IC
31
ENC_A
I
INPUT SELECTOR encoder (A) signal input
32
ENC_B
I
INPUT SELECTOR encoder (B) signal input
33
UPCON
I/O
Not used (Open)
34
UPCON_CLK
O
Not used (Open)
35
AVCC
—
Power supply pin (+3.3 V)
36
AVRH
—
Power supply pin (+3.3 V)
37
AVSS
—
Ground
38
ADCC
I
ADCC analog signal input
39, 40
A/D1, A/D2
I
Key signal input (A/D port)
41
VERSION
I
Destination detection signal input
42
VSS
—
Ground
43
RDSSIG/XM_REQ
I/O
RDS signal level input
44
MODEL/CSMUTE (E8)
I/O
Model detection signal input
45
TONE_EN_B (E8)/VACS
I
Not used (Fixed at L)
46
TONE_EN_A (E8)
I
Not used (Fixed at L)
47
XMDACMS
O
Not used (Open)
48
STOP
I
AC off detection signal input
49
MD0
—
Selection of micon operation mode
50
MD1
—
Not used (Connect to VCC)
51
MD2
—
Selection of micon operation mode
52
RDS_CLK/XMDPOWER
I/O
RDS data clock signal input
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