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Model
STR-DE897
Pages
71
Size
8.11 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-de897.pdf
Date
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13
STR-DE897
Pin No.
Pin Name
I/O
Pin Description
56
BST
I
Boot stop signal input from SYSTEM CONTROL IC
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 (SRAM)
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 (SRAM)
83 to 85
A12 to A10
O
External memory address signal output for D/A converter IC (SRAM)
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 (SRAM)
98, 99
D7, D6
I/O
External memory data input/output for D/A converter IC (SRAM)
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 (SRAM)
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 (SRAM)
109, 110
A2, A1
O
External memory address signal output for D/A converter IC (SRAM)
111
VSS
—
Ground
112
A0
O
External memory address signal output for D/A converter IC (SRAM)
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)
14
STR-DE897
• IC1101 MB90478PF-G-172-BND (SYSTEM CONTROL) (DIGITAL Board (3/3))
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
AK5380_PDN
O
Power down signal output for ADC IC
10
AK4355_CSN
O
Chip select signal output for 6CH DAC IC
11
VSS
—
Ground
12
AK4355_PDN
O
Power down signal output for 6CH DAC IC
13
AK4381_PDN
O
Power down signal output for 2CH DAC IC
14
AK4381_CSN
O
Chip select signal output for 2CH DAC IC
15
AK4355_CLK
O
Clock signal output for 2CH/6CH DAC IC
16
IC_CLK
O
Clock signal output for FUNCTION SELECT IC and tuner pack
(VOL_TUNER_TC9273)
17
IC_DATA
O
Serial data signal output for FUNCTION SELECT IC and tuner pack
(VOL_TUNER_TC9273)
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
AK4355_CDT1
O
CDT1 signal output for 2CH/6CH DAC IC
22
VOL_LATCH
O
Latch signal output for FUNCTION SELECT IC
23
VCC5
—
Power supply pin (+3.3 V)
24
SYS_MUTE
O
System mute control signal output
25
ANA/DIG
O
Muting and error port signal output
26
FL_CLEAR
O
Reset signal output for FL DISPLAY DRIVER IC
27
FLASH2
—
Flash programming signal output 2
28
FLASH1
—
Flash programming signal output 1
29
ENC_A
I
Input selector encoder (+) signal input
30
ENC_B
I
Input selector encoder (–) signal input
31
F_A
I
–/+ (cursor) encoder (–) signal input
32
F_B
I
–/+ (cursor) encoder (+) signal input
33
SCL
O
Clock signal output for EEPROM IC
34
SDA
I/O
Serial data input/output for EEPROM IC
35
AVCC
—
Power supply pin (+3.3 V)
36
AVRH
—
Power supply pin (+3.3 V)
37
AVSS
—
Ground
38 to 40
A/D0 to A/D2
I
Key signal input (A/D port)
41
VERSION
I
Destination detection signal input
(Fixed at L: US, Canadian model, H: Except for US, Canadian model)
42
VSS
—
Ground
43
2ND_ROOM
O
2ND ZONE relay driver control signal output
44
006_LAT
O
Latch signal output for AUDIO SELECTOR IC
45
VOL_ENC (A)
I
Volume encoder (+) signal input
46
VOL_ENC (B)
I
Volume encoder (–) signal input
47
011_LAT
O
Latch signal output for VIDEO SELECTOR IC
48
STOP
I
AC off detection signal input
49
MOD0
—
Selection of micon operation mode
50
MOD1
—
Not used (Connect to AVCC)
51
MOD2
—
Selection of micon operation mode
STR-DE897
15
15
4-2. CIRCUIT BOARDS LOCATION
Pin No.
Pin Name
I/O
Pin Description
52
RDS_CLK
I
Not used (Fixed at L)
53
RDS_DATA
I
Not used (Fixed at L)
54
SIRCS
I
SIRCS signal input
55
HP_DETECT
I
Headphones detection signal input
56
POWER_KEY
I
Power key detection signal input
57
FL_LAT
O
Latch signal output for FL DISPLAY DRIVER IC
58
POWER_RY
O
Power relay driver control signal output
59
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
60
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
61
PROTECTOR
I
Protector detection signal input
62
HP_RY
O
Headphones relay driver control signal output
63
FUSE_DETECT
I
Fuse open detection signal input
64
A1_OUT
O
CTRL A1 II signal output
65
A1_IN
I
CTRL A1 II signal input
66
FRONT_RY
O
Front speaker A relay driver control signal output
67
SP_B_RY
O
Front speaker B relay driver control signal output
68
C/SB_RY
O
Center/Surround back speakers relay driver control signal output
69
REAR_RY
O
Surround speaker relay driver control signal output
70
SW_RY
O
Sub woofer relay driver control signal output
71
NC
—
Not used (Fixed at L)
72
BRIDGEABLE_RY
O
Bridgeable relay driver control signal output
73
D0
I
Tuner serial data input
74
SLATCH
O
Tuner latch signal output
75
TUNED
I
Tuned signal detection input
76
STEREO
I
Stereo signal detection input
77
RSTX
I
Reset signal input
78
MUTE
O
Tuner mute signal output
79
X1A
—
Not used (Open)
80
X0A
—
Not used (Connect to VSS)
81
VSS
—
Ground
82
X0
—
Clock signal input (16 MHz)
83
X1
—
Clock signal output (16 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85
GROUPING_SW
O
Surround back switch signal output
86 to 89
SW1 to SW4
O
Video select signal output
90
SELECT2
O
Digital input select 2 signal output
91
SELECT1
O
Digital input select 1 signal output
92
BST_SEL
O
96/24 signal output for DSP IC
93
XMODE
O
Xmode signal output for DIR IC
94
CKSEL1
O
Clock select signal output for DIR IC
95
CLK
O
Data clock signal output for DIR IC
96
CE
O
Latch signal output for DIR IC
97
DI
O
Data output for DIR IC
98
DO
I
Data input from DIR IC
99
ERROR
I
Error detection signal input from DIR IC
100
XSTATE
I
Xstate signal input from DIR IC
DIGITAL board
POWER board
GUIDE2 board
GUIDE1 board
STBY board
AC SEL board
(E2 model only)
VIDEO board
VIDEO (AU) board
UP CONVERT board
(US, Canadian model only)
S-VIDEO board
SPEAKER board
MAIN board
TUNING board
V3 board
HP board
DISPLAY board
VOLUME board
STR-DE897
16
16
4-3. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
J302
R-CH
R-CH
L
-1
-2
-3
-4
R
L
OUT
 IN
R
MD/TAPE
J301
L
-1
-2
-3
-4
R
L
 IN
 IN
R
PHONO
SA-CD/CD
MUTE
Q541,591
MUTE
Q641,691
MUTE
Q441,491
MUTE
Q791
MUTE
Q391
PRE
OUT
SUB
WOOFER
Q410
SUB WOOFER
AMP
IC604
J2551
RY351
SYSTEM MUTE
SBL-CH
C-CH
SR-CH
FR-CH
SL-CH
FL-CH
R-CH
L-CH
63
62
74
73
21
24
22
2
18
20
19
4
6
7
46
47
40
41
35
34
SBR-CH
28
29
5
7
15
11
12
13
10
61
57
54
55
SW
SEL
C
SEL
SL
SEL
L
SEL
R-CH
R-CH
76
R-CH
R-CH
R-CH
DVDD
DIR
FUNCTION SELECT
IC401
AVCC
AVEE
+7V
-7V
SEL
SW
MCU
I/F
3.3V
REG
Q652
+7V
SBL OUT
R-CH
SW OUT
C OUT
SL OUT
L OUT
R-CH
R-CH
R-CH
52
51
• Signal path
            : TUNER (FM/AM)
            : VIDEO (AUDIO)
            : CD (ANALOG)
• R-ch is omitted due to
  same as L-ch.
SBL
SEL
PRE AMP
IC300
76
75
78
74
73
70
AUDIO
IN
AUDIO
OUT
AUDIO
IN
L
R
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
L
R
L
R
VIDEO 2
DVD
OUT
AM
TN1
FM/AM TUNER UNIT
BUFFER
IC1142
SYSTEM
CONTROL
IC1101 (1/4)
TV/SAT
AUDIO
OUT
AUDIO
IN
AUDIO
IN
L
R
L
R
L
R
J2553
J2552
R-CH
R-CH
SLATCH
SW RY
IC.DATA
IC.CLK
VOL LATCH
006_LAT
011_LAT
STEREO
TUNED
MUTE
DO
L-CH
R-CH
STEREO
TUNED
MUTING
CE
DO
DATA
CLOCK
L
-3
-4
R
J305 (2/2)
RELAY
DRIVER
Q300
TU+10V
10
9
11
7
4
44
2ND ROOM RY 43
47
17
16
22
13
1
5
9
11
3
6
8
23
24
19
25
20
26
21
VIDEO 1
VIDEO 3
INPUT
L
R
R-CH
AUDIO
FM 75Ω
COAXIAL
22
16 15 14
16 15 14
18
SUB
WOOFER
SUB
WOOFER
2ND
ZONE
L
R
R-CH
R-CH
R-CH
R-CH
L
R
L
R
L
R
L
R
FRONT
SURROUND
FRONT
SURROUND
CENTER
SURR BACK
CENTER
J303
J304
27
24
20
26
23
19
MULTI CH IN1
MULTI CH IN 2
ANTENNA
25
22
18
J305
(1/2)
TV/SAT
DVD/LD
VIDEO 1 OUT
VIDEO 2 OUT
VIDEO 2
VIDEO 1
VIDEO 3
6.1L
6.1SL
6.1C
7.1IL
7.1SL
7.1L
7.1SW
6.1SW
RY300
AUDIO
SELECT
IC2560
AUDIO
SELECT
IC402
AUDIO
IN
COM
LATCH
DAT
CLK
LATCH
DAT
CLK
-5
-6
-3
-4
-1
-2
-5
-6
-3
-3
-4
-1
-2
-2
-1
-2
-3
-4
-5
-6
-1
-1
-2
-2
-3
-4
-5
-6
J2052
(2/2)
R-CH
1
3
EQ AMP
IC301
L OUT
SL OUT
C OUT
SW
OUT
SR OUT
R OUT
RELAY
DRIVER
Q351
56
53
58
1
3
78
80
DIGITAL
SECTION
C
DIGITAL
SECTION
B
DIGITAL
SECTION
A
POWER
SECTION
D
(Page 17)
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