Sony STR-DE875 / STR-DE975 Service Manual ▷ View online
33
STR-DE875/DE975
3-21.
IC PIN FUNCTION DESCRIPTION
• IC1101 MB91154PMT2-G-101-E1 (SYSTEM CONTROLLER) (MAIN BOARD)
Pin No.
1
2
3
4
5
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
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
O
O
O
O
I
I
—
I
I
I
I
I
O
O
O
O
O
I
I
O
I
I
O
—
—
I
O
O
O
I
O
O
O
O
—
—
—
—
O
O
O
—
O
O
I
I
I
O
Pin Name
2ND_RY
2ND_LAT
2ND_CLK
2ND_DATA
LED_DRV_CL
LED_DRV_CE
CURSOR_JOG_3A
CURSOR_JOG_3B
VSS
FUNCTION_JOG_1A
FUNCTION_JOG_1B
VOL_JOG_2B
VOL_JOG_2A
SPK_SEL
HP_RY
SP_A_RY
CENTER_RY
REAR_RY
WOOFER_RY
PROTECTOR
HP_CTRL
PW_RY
TUNER_STEREO
TUNER_AUTO_STOP
TUNER_MUTE
VSS
VCC
TUNER_DO
TUNER_SERIAL_CLK
T.DATA
T.LAT
RDS_DATA
V.SW1
V.SW2
V.SW3
V.SW4
P61
P62
P63
P64/A20
SUB-T
TC74HC153_A
DIR XMODE
VSS
DIR CKSEL1
DIR CLK
DSP1.HDOUT1
DSP1.PLL1
DSP2.GP3
DSP2.EXLOCK
Description
2nd audio relay control signal output
2nd audio switching IC latch signal output
Serial command clock signal output
Serial command data signal output
LED driver clear signal output
LED driver latch signal output
Jog dial signal input from the rotary encoder
Jog dial signal input from the rotary encoder
Ground
Jog dial signal input from the rotary encoder
Jog dial signal input from the rotary encoder
Volume signal input from the rotary encoder
Volume signal input from the rotary encoder
Speaker ON/OFF switch signal input
Headphone relay control signal output
Front speaker relay control signal output
Center speaker relay control signal output
Rear speaker relay control signal output
Sub woofer relay control signal output
Protector status detect signal input
Headphone switch detect signal input
Power relay control signal output
Stereo tuning signal input from the tuner
Tuner auto stop signal input from the tuner
Muting signal output to the tuner
Ground
Power supply
Frequency data signal input from the tuner
Clock signal output to the tuner
Data signal output to the tuner
Latch signal output to the tuner
RDS data signal input from the tuner
Video switch 1 control signal output
Video switch 2 control signal output
Video switch 3 control signal output
Video switch 4 control signal output
Connected to ground
Connected to ground
Connected to ground
Connected to ground
Sub-trans control signal output
Digital select (IC TC74HC153) control signal output
XMODE signal output to DIR
Ground
CKSEL1 signal output to DIR
Clock signal output to DIR
HDOUT1 signal input from DSP1
PLL1 signal input from DSP1
GP3 signal input from DSP2
EXLOCK signal output to DSP2
34
STR-DE875/DE975
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
I
I
I
I
—
—
—
—
I
I
I
I
I
I
I
O
—
O
I
I
I
I
O
O
O
—
I
O
I
O
O
I
O
O
I
O
O
O
O
O
O
I
I
I
I
—
—
I/O
O
Pin Name
MBUS_STATUS_OUT
MD2
MD1
MD0
RSTX
VCC
X1
X0
VSS
VOLT_DETEC_STOP
RDS_CLK
PW_ON/OFF
MBUS_TV
MBUS_DVD
MBUS_VIDEO
SIRCS
DIR CE
VCC
DI
D.DO
ERROR
DATAO
XSTATE
D2.XRST2
D2.BST2
9616.PM2
VCC
9616.HACN2
9616.HCS2
9617.GP9
9617.BST1
9617.HCS1
9617.HACN1
9617.XRST1
9617.PM1
A1 IN
A1 OUT
PCM1800.RST
PCM1604.RST
PCM1604.ML
PCM1604.MC
PCM1604.MDI
PCM1604.MDO
FLASH_A
FLASH_B
FLASH_C
VCC
VSS
EEPROM.SDA
EEPROM.SCL
Description
MBUS status signal output
Operation mode setting input
Operation mode setting input
Operation mode setting input
Reset signal input
Power supply
Connection for a crystal resonator
Connection for a crystal resonator
Ground
AC off detect signal input
RDS clock signal input
Power switch key detect signal input
MBUS TV signal input
MBUS DVD signal input
MBUS VIDEO signal input
Data signal input from the remote control sensor
Chip enable signal output to DIR
Power supply
Data signal output to DIR
Data signal input from DIR
PLL error muting signal input from DIR
Audio data signal input from DIR
XSTATE data signal input from DIR
Reset signal output to DSP2
BST signal output to DSP2
PM2 signal output to DSP2
Power supply
HACN2 signal input from DSP2
HCS2 signal output to DSP2
GP9 signal input from DSP1
BST1 signal output to DSP1
HCS1 signal output to DSP1
HACN1 signal input from DSP1
Reset signal output to DSP1
PM1 signal output to DSP1
Control A1 signal input
Control A1 signal output
Reset signal output to ADC
Reset signal output to DAC
Latch signal output to DAC
Clock signal output to DAC
Data signal output to DAC
Data signal input from DAC
Connected to ground
Connected to ground
Pull-up
Power supply
Ground
Data I/O terminal
Clock signal output to EEPROM
35
STR-DE875/DE975
Pin No.
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
I/O
—
O
O
I
O
O
O
I
O
I
O
O
O
O
O
O
O
O
O
O
O
—
—
—
—
—
—
—
—
—
—
I
I
I
I
I
I
I
I
—
—
—
—
—
Pin Name
VSS
9616.HCLK2
HDIN2
HDOUT2
OSD CLK
OSD DATA
OSD LAT
PLL2
SOT1
SIN1
FL CLK
FL DIN/F1
FL LAT/F2
FL DRV.CLR
FREQ SEL
VOL_IC.DATA
VOL_IC.CLK
VOL_IC.LAT
AC MUTE
SYSTEM_MUTE
ANG/DIG
VCC
DA2
DA1
DA0
DAVS
DAVC
AVCC
AVRH
AVRL
AVSS
AD1
AD2
AD3
AD4
AD5
MODEL
AREA
RDS_SIGNAL
VCC2
BACKUP
X0A
X1A
VSS
Description
Ground
HCLK2 signal output to DSP2
HDIN2 signal output to DSP2
HDOUT2 signal input from DSP2
Clock signal output to OSD
Data signal output to OSD
Latch signal output to OSD
PLL2 signal input from DSP2
Terminal for FLASH programming
Terminal for FLASH programming
Clock signal output to the FL tube driver
Data signal output to the FL tube driver
Latch signal output to the FL tube driver
Clear signal output to the FL tube driver
Frequency select signal output
Control data signal output to the sound processor
Clock signal output to the sound processor
Latch signal output to the sound processor
Muting signal output to the power amplifier
System muting signal output
Muting control signal output
Power supply
NC
NC
NC
Connected to ground
Connected to VCC
Analog power supply
Analog reference voltage input
Analog reference voltage input
Analog ground
Function key push signal input
Function key push signal input
Function key push signal input
Function key push signal input
Function key push signal input
Version setting input (MODEL)
Version setting input (AREA)
RDS signal detect input
Power supply
Connected to VCC
Not used (connected to ground)
Not used
Ground
36
STR-DE875/DE975
SECTION 4
EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts of Color Cabinet’s Color
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Accessories and packing materials are given in
the last of this parts list.
the last of this parts list.
•
Abbreviation
CND : Canadian model
MY : Malaysia model
SP
CND : Canadian model
MY : Malaysia model
SP
: Singapore model
CH
: Chinese model
AUS : Australian model
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
le numéro spécifié.
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
4-1. FRONT PANEL SECTION
1
X-4953-522-1 FRONT PANEL ASSY (BLACK)(DE975:US)
1
X-4953-592-1 FRONT PANEL ASSY (BLACK)(DE975:CND)
1
X-4953-593-1 FRONT PANEL ASSY (BLACK)(DE875:US)
1
X-4953-594-1 FRONT PANEL ASSY (BLACK)(DE875:CND)
1
X-4953-595-1 FRONT PANEL ASSY (BLACK)(DE875:AUS,E)
1
X-4953-597-1 FRONT PANEL ASSY (SILVER)(DE875:AEP,UK)
1
X-4953-598-1 FRONT PANEL ASSY (GOLD)(DE875:MY,SP,CH)
1
X-4953-599-1 FRONT PANEL ASSY (BLACK)(DE875:AEP,UK)
2
4-232-113-01 KNOB (VOL)(BLACK)
(DE875:US,CND,AEP,UK,E,AUS/DE975)
2
4-232-113-11 KNOB (VOL)(SILVER)(DE875:AEP,UK)
2
4-232-113-21 KNOB (VOL) (GOLD)(DE875:MY,SP,CH)
3
4-232-239-01 KNOB (JOG)(BLACK)
(DE875:US,CND,AEP,UK,E,AUS/DE975)
3
4-232-239-11 KNOB (JOG) (GOLD)(DE875:MY,SP,CH)
3
4-232-239-21 KNOB (JOG) (SILVER)(DE875:AEP,UK)
4
4-232-569-01 KNOB (FN DE9) (BLACK)(DE875)
4
4-232-569-11 KNOB (FN DE9) (GOLD)(DE875:MY,SP,CH)
4
4-232-569-21 KNOB (FN DE9) (SILVER)(DE875:AEP,UK)
5
4-951-620-01 SCREW (2.6X8), +BVTP
6
1-680-591-11 JOG BOARD
7
1-680-595-11 HEADPHONE BOARD
8
1-680-592-11 VIDEO 3 BOARD (DE975)
9
A-4476-066-A DISPLAY BOARD, COMPLETE (DE975)
9
A-4476-160-A DISPLAY BOARD, COMPLETE (DE875)
10
1-680-594-11 POWER SWITCH BOARD
11
4-232-576-11 CASE (DE9)(BLACK)
(DE875:US,CND,AEP,UK,E,AUS/DE975)
11
4-232-576-31 CASE (DE9) (GOLD)(DE875:MY,SP,CH)
11
4-232-576-51 CASE (DE9) (SILVER)(DE875:AEP,UK)
12
4-210-291-01 SCREW (CASE 3 TP2) (FOR BLACK)
(DE875:US,CND,AEP,UK,E,AUS/DE975)
12
4-210-291-11 SCREW (CASE 3 TP2)(FOR SILVER,GOLD)
(DE875:AEP,UK,MY,SP,CH)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
2
3
7
1
5
5
6
9
10
12
12
11
12
4
5
8
#1
#1
5
5
not supplied
not supplied
CHASSIS SECTION
not supplied
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