Sony STR-DG710 Service Manual ▷ View online
53
STR-DG710
IC106 BA00CC0WT(-V5) (XM Board)
1
CTL
2
VCC
3
GND
4
OUT
5
C
C
VREF
TSD
OVP
OCP
VCC
DRIVER
IC100 PT6315 (DISPLAY Board)
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
SW1
SW2
SW3
SW4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
VEE
SEG17
GRID11
GRID10
54
STR-DG710
IC4001 SI-8050S-LF1101 (DCDC Board)
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
+
–
–
+
–
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
S.S
IC4100 SI-8033S (DCDC Board)
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
ON/OFF
SOFT
START
+
–
–
+
–
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
ON/OFF
55
STR-DG710
• IC Pin Descriptions
IC1501 CXD9718BQ (DIGITAL SIGNAL PROCESSOR) (DIGITAL BOARD (1/3))
Pin No .
Pin Name
I/O
Pin Descr iption
1
VSS
—
Ground pin
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 (+1.9 V)
6
BCKI3
I
Not used. (Connect to ground.)
7
PLOCK
O
Not used. (Open)
8
VSS
—
Ground pin
9
MCLK1
I
Clock signal input (13.9 MHz)
10
VDDI
I
Power supply pin (+1.9 V)
11
VSS
—
Ground pin
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 D/A converter IC
15
LRCKI1
I
Sampling clock signal input from A/D converter IC
16
VDDE
I
Power supply pin (+3.3 V)
17
BCKI1
I
Bit clock signal input from A/D converter IC
18
SDI1
I
Audio IF data input from A/D converter IC
19
LRCKO
O
Sampling clock signal output for 8CH D/A converter IC
20
BCKO
O
Bit clock signal output for 8CH D/A converter IC
21
VSS
—
Ground pin
22
KFSIO
I/O
Audio clock signal (384fs/256fs) input/output for digital audio interface receiver IC
23 to 26
SDO1 to SDO4
O
Digital audio serial data output for 8CH D/A converter IC
27
SPDIF
O
Not used. (Open)
28
LRCKI2
I
Sampling clock signal input from A/D converter IC
29
BCKI2
I
Bit clock signal input from A/D converter IC
30
SDI2
I
Digital audio serial data input from digital audio interface receiver IC
31
VSS
—
Ground pin
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 (+1.9 V)
41
VSS
—
Ground pin
42
GP15
O
Not used. (Open)
43
CE0
O
SDRAM enable signal output
44
CS0
O
External memory chip select signal output for SDRAM IC
45
WE0
O
SDRAM write enable signal output for SDRAM IC
46
VDDE
I
Power supply pin (+3.3 V)
47
WMD1
I
Not used. (Fixed at H.)
48
VSS
—
Ground pin
49
WMD0
I
Not used. (Fixed at H.)
50
PAGE2
O
Not used. (Open)
51
VSS
—
Ground pin
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
56
STR-DG710
Pin No .
Pin Name
I/O
Pin Descr iption
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 digital audio interface receiver IC
60
VDDI
I
Power supply pin (+1.9 V)
61
VSS
—
Ground pin
62, 63
A17, A16
O
Not used. (Open)
64 to 66
A15 to A13
O
External memory address signal output for SDRAM IC
67
GP10
O
Not used. (Open)
68
GP9
O
GP9 signal output for system control IC
69
GP8
I
Audio signal input from digital audio interface receiver IC
70
VDDI
I
Power supply pin (+1.9 V)
71
VSS
—
Ground pin
72 to 75
D15/GP7 to D12/GP4
I/O
External memory data input/output for SDRAM IC
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 SDRAM IC
81
VSS
—
Ground pin
82
A9
O
External memory address signal output for SDRAM IC
83 to 85
A12 to A10
O
External memory address signal output for SDRAM IC
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 pin
92 to 97
A8 to A3
O
External memory address signal output for SDRAM IC
98, 99
D7, D6
I/O
External memory data input/output for SDRAM IC
100
VDDI
I
Power supply pin (+1.9 V)
101
VSS
—
Ground pin
102 to 105
D5 to D2
I/O
External memory data input/output for SDRAM IC
106
VDDE
I
Power supply pin (+3.3 V)
107, 108
D1, D0
I/O
External memory data input/output for SDRAM IC
109, 110
A2, A1
O
External memory address signal output for SDRAM IC
111
VSS
—
Ground pin
112
A0
O
External memory address signal output for SDRAM IC
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 (+1.9 V)
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