Sony STR-DE885 / STR-DE985 Service Manual ▷ View online
17
STR-DE885/DE985
Pin No.
Pin Name
I/O
Pin Description
137
VDDI
—
Power supply pin (+2.5 V)
138
VSS
—
Ground
139
MCLK2
O
System clock signal output (13.5 MHz)
140
PM
I
PLL initialization signal input
141
BST
I
Boot stop signal input
142
BOOT
I
Boot mode control signal input (connected to ground)
143
TST
I
Not used (open)
144
MCLK1
I
System clock signal input (13.5 MHz)
18
STR-DE885/DE985
1
6.1_LAT
O
MULTI CH IN SW IC
2
6.1_DATA
O
MULTI CH IN SW IC
3
6.1_CLK
O
MULTI CH IN SW IC
4
V_AUDIO_LAT
O
VIDEO (AU) SW CONTROL
5
LED_DRV_DATA
O
LED DRIVER IC
6
LED_DRV_CLK
O
LED DRIVER IC
7
LED_DRV_CLR
O
LED DRIVER IC
8
LED_DRV_CE
O
LED DRIVER IC
9
VSS
—
Ground
10
CURSOR_JOG_3A
I
CURSOR JOG ENCODER
11
CURSOR_JOG_3B
I
CURSOR JOG ENCODER
12
FUNCTION_JOG_1A
I
FUNCTION JOG ENCODER
13
FUNCTION_JOG_1B
I
FUNCTION JOG ENCODER
14
VOL_JOG_2B
I
VOLUME JOG ENCODER
15
VOL_JOG_2A
I
VOLUME JOG ENCODER
16
SPK_SEL
I
SPEAKER SELECT SW
17
SP_B_RY
O
SPEAKER B RELAY
18
HP_RY
O
HP RELAY CONTROL
19
SP_A_RY
O
FRONT CH 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 PACK
29
TUNER_AUTO_STOP
I
TUNER PACK
30
TUNER_MUTE
O
TUNER PACK
31
TUNER_DO
I
TUNER PACK
32
T.SERIAL_CLK
O
TUNER PACK
33
T.DATA
O
TUNER PACK
34
T.LAT
O
TUNER PACK
35
RDS_DATA
I
TUNER PACK
36 to 39
V.SW1 to V.SW4
O
VIDEO SWITCHING IC
40
PRE OUT RY
O
PRE OUT RELAY CONTROL
41
SUB-T
O
SUB TRANSFORMER VOLT O/P
42
TC74HC153_A
O
OPTICAL INPUT SW
43
DIR XMODE
O
DIR IC
44
VSS
—
Ground
45
DIR CKSEL1
O
DIR IC
46
DIR CLK
O
DIR IC
47
DSP1.HDOUT1
I
AUDIO DSP1 IC
48
DSP1.PLL1
I
AUDIO DSP1 IC
49
DSP2.GP3
I
AUDIO DSP2 IC
50
DSP2.EXLOCK
O
AUDIO DSP2 IC
51
MBUS_STATUS_OUT
O
MBUS IC
52
MD2
—
FLASH PROGRAMMING
53
MD1
—
FLASH PROGRAMMING
54
MD0
—
FLASH PROGRAMMING
55
RSTX
I
RESET IC
• IC1101 MB91154PFV-G-106-BNDE1 (SYSTEM CONTROLLER) (DIGITAL Board (4/4))
Pin No.
Pin Name
I/O
Pin Description
19
STR-DE885/DE985
Pin No.
Pin Name
I/O
Pin Description
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
TUNER PACK
62
PW_ON/OFF
I
POWER SW
63
MBUS_TV
I
MBUS IC
64
MBUS_DVD
I
MBUS IC
65
MBUS_VIDEO
I
MBUS IC
66
SIRCS
I
REMOTE SENSOR
67
DIR CE
O
DIR IC
68
VCC
—
Power supply pin (+3.2 V)
69
DI
I
DIR IC
70
D.DO
O
DIR IC
71
ERROR
I
DIR IC
72
9617.XRST1
O
AUDIO DSP1 IC
73
9617.PM1
O
AUDIO DSP1 IC
74
9617.GP9
I
AUDIO DSP1 IC
75
9617.BST1
O
AUDIO DSP1 IC
76
9617.HCS1
O
AUDIO DSP1 IC
77
VCC
—
Power supply pin (+3.2 V)
78
9617.HACN1
I
AUDIO DSP1 IC
79
DATA0
I
DIR IC
80
XSTATE
I
DIR IC
81
9616.BST2
O
AUDIO DSP2 IC
82
9616.PM2
O
AUDIO DSP2 IC
83
9616.XRST2
O
AUDIO DSP2 IC
84
9616.HACN2
I
AUDIO DSP2 IC
85
9616.HCS2
O
AUDIO DSP2 IC
86
A1 IN
I
CONTROL A1 CIRCUIT
87
A1 OUT
O
CONTROL A1 CIRCUIT
88
PCM1800.RST
O
A/D IC
89
PCM1604.RST
O
D/A IC
90
PCM1604.ML
O
D/A IC
91
PCM1604.MC
O
D/A IC
92
PCM1604.MD1
O
D/A IC
93
PCM1604.MD0
I
D/A IC
94
FLASH_A/FREQ_SEL
O
DIR IC
95
FLASH_B/TC74HC153_B
O
OPTICAL INPUT SW
96
FLASH_C
I
SECONDARY FUSE DETECT
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
9616.HCLK2
O
AUDIO DSP2 IC
103
HDIN2
O
AUDIO DSP2 IC
104
HDOUT2
I
AUDIO DSP2 IC
105
OSD_CLK
O
OSD CIRCUIT
106
OSD_DATA
O
OSD CIRCUIT
107
OSD_LAT
O
OSD CIRCUIT
20
STR-DE885/DE985
Pin No.
Pin Name
I/O
Pin Description
108
PLL2
I
AUDIO DSP2 IC
109
SOTI
I
FLASH PROGRAMMING
110
SINI
O
FLASH PROGRAMMING
111
FL_CLK
O
FL DRIVER IC
112
FL_DIN
O
FL DRIVER IC
113
FL_LAT
O
FL DRIVER IC
114
FL_CLR
O
FL DRIVER IC
115
PCM1748_ML
O
D/A IC
116
VOL_IC.DATA
O
VOL IC
117
VOL_IC.CLK
O
VOL IC
118
VOL_IC.LAT
O
VOL IC
119
AC_MUTE
O
A-CLASS IC
120
SYSTEM_MUTE
O
MUTING CIRCUIT
121
2ND_RY
O
2ND ROOM RELAY CONTROL
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 136
AD1 to AD5
I
DISPLAY
137
MODEL
I
Destination (MODEL) initial setting input
138
AREA
I
Destination (AREA) initial setting input
139
RDS_SIGNAL
I
TUNER PACK
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
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