Sony STR-DE895 Service Manual ▷ View online
17
STR-DE895
• IC1101 MB91154PFV-G-116-BNDE1 (SYSTEM CONTROL) (Placa DIGITAL (3/3))
Pin No.
Pin Name
I/O
Pin Description
1
[7.1_DAT]
O
MULTI CH IN DATA
2
[7.1_CLK]
O
MULTI CH IN CLOCK
3
[006_LAT]
O
TC9273_006 LATCH
4
[011_LAT]
O
TC9273_011 LATCH
5
LED_DRV_DATA
O
LED DATA
6
LED_DRV_CLK
O
LED CLOCK
7
LED_DRV_CLR
O
LED CLEAR
8
LED_DRV_CE
O
LED LATCH
9
VSS
—
Ground
10
FUNCTION_JOG_1B
I
FUNCTION JOG 1B
11
FUNCTION_JOG_1A
I
FUNCTION JOG 1A
12
CURSOR_JOG_3B
I
CURSOR JOG 3B
13
CURSOR_JOG_3A
I
CURSOR JOG 3A
14
MENU_JOG_4B
I
MENU JOG 4B (DE995 only)
15
MENU_JOG_4A
I
MENU JOG 4A (DE995 only)
16
VOL_JOG_2B
I
VOLUME JOG 2B
17
VOL_JOG_2A
I
VOLUME JOG 2A
18
SP_A_RY
O
SPEAKER A RELAY CONTROL
19
SP_B_RY
O
SPEAKER B RELAY CONTROL
20
CENTER_RY
O
CENTER RELAY CONTROL
21
REAR_RY
O
REAR CH RELAY CONTROL
22
WOOFER_RY
O
WOOFER RELAY CONTROL
23
PROTECTOR
I
PROTECTOR CIRCUIT
24
HP_CTRL
I
HP DETECTION SW
25
PW_RY
O
POWER RELAY CONTROL
26
VSS
—
Ground
27
VCC
—
Power supply pin (+3.2 V)
28
TUNER_STEREO
I
TUNER STEREO IN
29
TUNER_AUTO_STOP
I
TUNER AUTO STOP IN
30
TUNER_MUTE
O
TUNER MUTE
31
TUNER_DO
I
TUNER DO
32
T.SERIAL_CLK
O
TUNER SERIAL CLOCK
33
T.DATA
O
TUNER DATA
34
T.LAT
O
TUNER LATCH
35
RDS_DATA
I
RDS DATA (Fixed at L)
36 to 39
V.SW1 to V.SW4
O
VIDEO SWITCH 1 to 4
40
SB RY
O
SURR BACK RELAY CONTROL
41
2ND_RY
O
2ND ROOM RELAY CONTROL (DE995 only)
42
HP_RY
O
HP RELAY CONTROL
43
SUB-T
O
SUB TRANSFORMER VOLT O/P
44
VSS
—
Ground
45
BRIDGEABLE RY
O
BRIDGEABLE RELAY CONTROL
46
FUSE DETECT
I
Not used (Fixed at H)
47
TC74HCT153_B
O
OPTICAL INPUT SW B
48
TC74HCT153_A
O
OPTICAL INPUT SW A
49
[GP12]
I
DSP1 IC GP12
50
[INPUT SENSITIVITY
I
VOL GAIN OPTION (Fixed at L)
SELECTION]
51
NO USED
—
Not used (Fixed at L)
52
MD2
—
FLASH PROGRAMMING
53
MD1
—
FLASH PROGRAMMING (Fixed at H)
54
MD0
—
FLASH PROGRAMMING
18
STR-DE895
Pin No.
Pin Name
I/O
Pin Description
55
RSTX
I
RESET IC
56
VCC
—
Power supply pin (+3.2 V)
57
X1
I
System clock signal input (16.5 MHz)
58
X0
O
System clock signal output (16.5 MHz)
59
VSS
—
Ground
60
VOLT_DETECT_STOP
I
VOLTAGE DOWN DETECT
61
RDS_INT
I
RDS CLOCK IN (Fixed at L)
62
PW_ON/OFF
I
POWER ON/OFF SW
63
SIRCS
I
REMOTE SENSOR
64, 65
NO USED
—
Not used (Fixed at L)
66
CTRL S OUT
O
CONTROL S OUT (DE995 only)
67
DIR CE
O
DIR CE
68
VCC
—
Power supply pin (+3.2 V)
69
DI
I
DIR DATA IN
70
D.DO
O
DIR DATA OUT
71
ERROR
I
DIR ERROR
72
XRST1
O
AUDIO DSP IC RESET
73
PM1
O
AUDIO DSP IC PM1
74
9718.GB9
I
AUDIO DSP IC GP9
75
9718.BST1
O
AUDIO DSP IC BST1
76
9718.HCS1
O
AUDIO DSP IC HCS1
77
VCC
—
Power supply pin (+3.2 V)
78
9718.HACN1
I
AUDIO DSP IC HACN1
79
9718.PLL1
I
AUDIO DSP IC PLL1
80
DIR_DATAO
O
DIR DATA 0
81
DIR_XSTATE
O
DIR XSTATE
82
DIR_XMODE
O
DIR XMODE
83
DIR_CKSEL1
O
DIR CKSEL1
84
DIR_CLK
O
DIR CLOCK
85
AK5380_PDN
O
AK5380 PDN
86
A1 IN
I
CONTROL A1 INPUT
87
A1 OUT
O
CONTROL A1 OUTPUT
88
AK4355_CSN
O
AK4355 CSN
89
AK4355_CDTI
O
AK4355 CDTI
90
AK4355_CCLK
O
AK4355 CCLK
91
AK4381_CSN
O
AK4381 CSN
92
AK4381_PDN
O
AK4381 PDN
93
AK4355_PDN
O
AK4355 PDN
94
FLASH_A
—
FLASH PROGRAMMING (Fixed at L)
95
FLASH_B
—
FLASH PROGRAMMING (Fixed at L)
96
FLASH_C
—
FLASH PROGRAMMING (Fixed at H)
97
VCC
—
Power supply pin (+3.2 V)
98
VSS
—
Ground
99
EEPROM.SDA
I/O
EEPROM
100
EEPROM.SCL
I/O
EEPROM
101
VSS
—
Ground
102
9718.HCLK
O
AUDIO DSP IC CLOCK
103
HDIN
O
AUDIO DSP DATA IN
104
HDOUT
I
AUDIO DSP HD OUT
105
OSD_CLK
O
OSD CLOCK (DE995 only)
106
OSD_DATA
O
OSD DATA (DE995 only)
107
OSD_LAT
O
OSD LATCH (DE995 only)
108
A_D
O
AUDIO DSP2 IC
19
STR-DE895
Pin No.
Pin Name
I/O
Pin Description
109
SOTI
O
FLASH PROGRAMMING
110
SINI
I
FLASH PROGRAMMING
111
FL_CLK
O
FL CLOCK
112
FL_DIN/F1
O
FL DATA
113
FL_LAT/F2
O
FL LATCH
114
DRV.CLR/BLUE LED
O
FL CLEAR
115
BST SEL
—
Not used (Fixed at L)
116
VOL_IC.DATA
O
VOL IC DATA
117
VOL_IC.CLK
O
VOL IC CLOCK
118
VOL_IC.LAT
O
VOL IC LATCH
119
AC MUTE
O
Not used (Fixed at L)
120
SYSTEM_MUTE
O
SYSTEM MUTE
121
NO USED
—
Not used (Fixed at L)
122
VCC
—
Power supply pin (+3.2 V)
123 to 125
DA2 to DA0
—
Not used (Open)
126
DAVS
—
Ground
127
DAVC
—
Power supply pin (+3.2 V)
128
AVCC
—
Power supply pin (+3.2 V)
129
AVRH
—
Power supply pin (+3.2 V)
130
AVRL
—
Ground
131
AVSS
—
Ground
132 to 135
AD0 to AD3
I
A/D KEYS
136
AREA
I
Destination (AREA) initial setting input
137
RDS_SIGNAL
I
RDS SIGNAL (Fixed at L)
138, 139
NO USED
—
Not used (Fixed at L)
140
VCC2
—
Power supply pin (+3.2 V)
141
BACKUP
—
Power supply pin (+3.2 V)
142
X0A
O
Not used (Connected to ground)
143
X1A
I
Not used (Open)
144
VSS
—
Ground
STR-DE895
20
4-2. DIAGRAMA EM BLOCOS — SEÇÃO TUNER/AUDIO —
DIGITAL
SECTION
C
DIGITAL
SECTION
B
DIGITAL
SECTION
A
POWER
SECTION
D
28
29
30
29
30
34
31
33
31
33
32
22
22
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
AM
TM301
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
L
-1
-2
-3
-4
J302
R
L
MD/TAPE
OUT
IN
R
R-CH
T.LAT
T.DATA
T.SERIAL_CLK
WOOFER_RELAY
WOOFER_RELAY
VOL_IC.DATA
VOL_IC.CLK
VOL_IC.LAT
006_LAT
7.1_DAT
7.1_CLK
011_LAT
TUNER_STEREO
TUNER_AUTO_STOP
TUNER_AUTO_STOP
TUNER_MUTE
TUNER_DO
L-CH
R-CH
STEREO
TUNED
MUTING
CE
DO
DATA
CLOCK
MUTE
Q541,591
MUTE
Q641,691
MUTE
Q491,791
MUTE
Q441
MUTE
Q391
SUB
WOOFER
PRE
OUT
OUT
RELAY
DRIVER
Q351
Q410
SUB WOOFER
AMP
IC604
J2551
RY351
SBR-CH
SYSTEM MUTE
SBL-CH
C-CH
SR-CH
FR-CH
SL-CH
FL-CH
R-CH
L-CH
TU+10V
10
9
11
56
7
53
4
58
3
1
2
1
2
116
117
117
118
4
13
1
5
5
9
11
3
6
6
8
23
24
19
24
19
25
20
26
21
20
26
21
VIDEO 1
VIDEO 3
INPUT
L
R
R-CH
AUDIO
FM 75Ω
COAXIAL
22
63
62
74
73
21
24
22
2
80
18
20
20
19
16 15 14
16 15 14
18
4
SUB
WOOFER
SURR
BACK
SUB
WOOFER
L
R
R-CH
R-CH
R-CH
R-CH
L
R
L
R
L
R
FRONT
SURROUND
FRONT
SURROUND
CENTER
CENTER
J303
J304
27
24
20
24
20
26
23
19
23
19
MULTI CH IN1
MULTI CH IN 2
ANTENNA
25
57
22
54
18
55
6
7
46
47
40
41
35
34
28
29
5
7
15
11
12
13
10
SBL
SEL
SEL
SW
SEL
C
SEL
SL
SEL
L
SEL
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
J305
(1/2)
(1/2)
TV/SAT
DVD/LD
DVD/LD
VIDEO 1 OUT
VIDEO 2 OUT
VIDEO 2
VIDEO 1
VIDEO 3
VIDEO 3
6.1L
6.1SL
6.1C
6.1C
7.1IL
7.1SL
7.1SL
7.1L
7.1SW
6.1SW
AUDIO
SELECT
IC2560
AUDIO
SELECT
IC402
AUDIO
IN
COM
DVDD
DIR
FUNCTION SELECT
IC401
AVCC
+7V
+7V
LATCH
DAT
CLK
LATCH
DAT
CLK
-5
-6
-3
-4
-1
-2
-5
-6
-3
-4
-1
-2
-1
-2
-3
-4
-5
-6
-1
-2
-3
-4
-5
-6
J2001
(2/2)
SEL
SW
MCU
I/F
3.3V
REG
Q652
3.3V
(STBY)
+7V
R-CH
SBL OUT
SW OUT
C OUT
SL OUT
L OUT
R-CH
(SBR)
(SBR)
R-CH
R-CH
52
51
L OUT
SL OUT
C OUT
SW
OUT
SR OUT
R OUT
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 20)
(Page 20)
(Page 24)
(Page 20)
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