Sony STR-DB1070 / STR-DB870 Service Manual ▷ View online
57
STR-DB870/DB1070
Pin No.
Pin Name
I/O
Description
120
GP3
O
Error signal output to the system controller (IC1703)
121
NC
—
Not used (open)
122
A0
O
Address signal output to the S-RAM (IC1602)
123 to 125
D4 to D2
I/O
Two-way data bus terminal Not used (open)
126
VDDE
—
Power supply terminal (+3.3V)
127
VSS
—
Ground terminal
128, 129
D1, D0
I/O
Two-way data bus terminal Not used (open)
130
GP2
—
Not used (open)
131
GP1
I
Clock signal input from the digital audio interface receiver (IC1408)
132
GP0
I
Serial clock signal input terminal
133
SDCLK
O
Not used (open)
134
CLKEN
O
Not used (open)
135
DQM
O
Not used (open)
136
EXLOCK
I
External lock signal input from the system controller (IC1703)
137
VDDI
—
Power supply terminal (+2.5V)
138
VSS
—
Ground terminal
139
MCLK2
O
System clock output terminal (13.5MHz)
140
PM
I
PLL initialize signal input from the system controller (IC1703)
141
BST
I
Boot strap signal input from the system controller (IC1703)
142
BOOT
I
Boot mode control signal input terminal Not used (fixed at “L”)
143
TST
I
Not used (fixed at “L”)
144
MCLK1
I
System clock output terminal (13.5MHz)
58
STR-DB870/DB1070
•
DIGITAL BOARD IC1703 MB91154PMT2-G-102-E1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
H.P IN
I
Headphone detect signal input from the HP jack (J749) “H”: active
2
SP A RY
O
Front speaker A relay drive signal output terminal “H”: relay on
3
H/P RY
O
Headphone relay drive signal output terminal “H”: relay on
4
WOOFER RY
O
Woofer speaker relay drive signal output terminal “H”: relay on
5
REAR RY
O
Rear speaker drive signal output terminal “H”: relay on
6
CENTER RY
O
Center and surround back speakers drive signal output terminal “H”: relay on
7
2ND AUDIO RY
O
2nd audio relay drive signal output terminal “H”: relay on
8
PRE RY
O
Pre relay drive signal output terminal “H”: relay on
9
VSS
—
Ground terminal
10
SB RY
I
Center and surround back speakers drive signal output terminal “H”: relay on
11
C.JOG
I
Jog dial pulse input from the RV1901 (jog dial) A phage input
12
C.JOG
I
Jog dial pulse input from the RV1901 (jog dial) B phage input
13
F.JOG
I
Jog dial pulse input from the RV1801 (FUNCTION) A phage input
14
F.JOG
I
Jog dial pulse input from the RV1801 (FUNCTION) B phage input
15
V.JOG
I
Jog dial pulse input from the RV1601 (MASTER VOLUME) A phage input
16
V.JOG
I
Jog dial pulse input from the RV1601 (MASTER VOLUME) B phage input
17
SP.SW
I
Speaker ON/OFF signal input terminal “L”: speaker on
18
POWER.RY
O
Power relay drive signal output terminal “H”: relay on
19
TUNER AUTO STOP
I
Tuned display auto stop detect signal input from the FM/AM tuner unit “L”: active
20
TUNER MUTE
O
Muitng control signal output to the FM/AM tuner unit “L”: muting
21
DATA
O
Serial data output to the FM/AM tuner unit, LED drive (IC1602), function switch (IC101,
102, 105, 201) and electrical volume (IC401, 501, 601, 701)
102, 105, 201) and electrical volume (IC401, 501, 601, 701)
22
CLK
O
Serial data transfer clock signal output to the FM/AM tner unit, LED drive (IC1602), function
switch (IC101, 102, 105, 201) and electrical volume (IC401, 501, 601, 701)
switch (IC101, 102, 105, 201) and electrical volume (IC401, 501, 601, 701)
23
TUNER DATA IN
I
PLL data input from the FM/AM tuner unit
24
F. SW LAT
O
Serial data latch pulse output to the function switch (IC101, 102, 105, 201) and electrical
volume (IC401, 501, 601, 701) “H”: active
volume (IC401, 501, 601, 701) “H”: active
25
TUNER STEREO
I
FM stereo detection signal input from the FM/AM tuner unit “L”: stereo
26
VSS
—
Ground terminal
27
VCC
—
Power supply terminal (+3.3V)
28
RDS DATA
O
RDS sireal data output to the RDS decoder (IC1303) (AEP, UK models only)
29
VIDEO SW1
O
Video select signal output to the video switch (IC308) and S-VIDEO switch (IC750, 752)
30
VIDEO SW2
O
Video select signal output to the video switch (IC308) and S-VIDEO switch (IC750, 752)
31
VIDEO SW3
O
Video select signal output to the video select switch (IC308) and S-VIDEO select switch
(IC750, 752)
(IC750, 752)
32
VIDEO SW4
O
Video select signal output to the video select switch (IC308) and S-VIDEO select switch
(IC750, 752)
(IC750, 752)
33
VSYNC
I
Vertical synchronized signal input from the LA7213 (IC309, 311) (DB1070: AEP, UK,E,
Chinese models only)
Chinese models only)
34
P/N
O
NTSC/PAL select signal output terminal “L”: NTSC (DB1070: US, Canadian models)
“H”: PAL (DB1070: AEP, UK,E, Chinese models)
“H”: PAL (DB1070: AEP, UK,E, Chinese models)
35
HDOUT1
I
Host serial data input from the audio DSP1 (IC1501)
36, 37
OPT B, OPT A
O
Digital input select signal output to the select switch (IC1406)
38
LED CE
O
Chip enable signal output to the LED driver (IC1602)
39
LED CLR
O
Clear signal output to the LED driver (IC1602)
40
TUNER LAT
O
Tuner latch signal output to the FM/AM tuner unit
59
STR-DB870/DB1070
Pin No.
Pin Name
I/O
Description
41
M STATUS
O
STATUS (M BUS) control signal output to the select switch (IC751)
42
D.POWER
O
Power ON/OFF control signal output terminal (digital section power)
43
V.POWER
O
Power ON/OFF control signal output terminal (video section power)
44
VSS
—
Ground terminal
45, 46
NC I
Not used (fixed at “L” )
47
ERROR
I
Error signal input from the audio DSP (IC1601)
48
NC
I
Not used (fixed at “L” )
49
SUB.T.PORT
O
Sub power transformer (T2) on/off signal output terminal
50
AUDIO SPLIT LED
O
LED drive signal output of AUDIO SPLIT indicator (D1801)
51
GND
—
Not used (fixed at “L” )
52
MD2
O
MD2 signal output terminal (fixed at “L” )
53
MD1
O
MD1 signal output terminal (fixed at “H” )
54
MD0
O
MD0 signal output terminal (fixed at “H” )
55
RSTX
I
System reset signal input from the reset signal generator (IC1702)
56
VCC
—
Power supply terminal (+3.3V)
57
X1
O
Main system clock output terminal (16.5MHz)
58
X0
I
Main system clock output terminal (16.5MHz)
59
VSS
—
Ground terminal
60
STOP
I
AC power check signal input terminal
61
RDS CLK
I
RDS serial data transfer clock signal input from the RDS decoder (IC1303)
62
POWER
I
Key input terminal I/1 key (S1704) input
63
MBUS TV
I
TV (M BUS) signal input from the TV jack (J755) (US, Canadian models only)
64
MBUS DVD
I
DVD (M BUS) signal input terminal (US, Canadian models only)
65
MBUS VIDEO
I
VIDEO (M BUS) input terminal (US, Canadian models only)
66
SIRCS
I
Sircs signal input from the remote control receiver (IC1701) and select switch (IC751)
67
DIR ERROR
I
Error signal input from the digital audio interface receiver (IC1408)
68
VCC
—
Power supply terminal (+3.3V)
69
XSTATE
I
Clock status flag signal input from the digital audio interface receiver (IC1408)
70
DATA0
I
Audio data input from the digital audio interface receiver (IC1408)
71
XMODE
O
Reset signal output to the digital audio interface receiver (IC1408) “L”: active
72
CKSEL1
O
System clock select 1 output to the digital audio interface receiver (IC1408)
73
CLK
O
Clock signal output to the digital audio interface receiver (IC1408)
74
CE
O
Chip enable signal output to the digital audio interface receiver (IC1408)
75
DI
O
Data output to the digital audio interface receiver (IC1408)
76
DO
I
Data input from the digital audio interface receiver (IC1408)
77
VCC
—
Power supply terminal (+3.3V)
78
BST
O
Booster control signal output to the audio DSP2 (IC1601)
79
PM2
O
PLL initialize signal output to the audio DSP2 (IC1601)
80
XRST2
O
Reset signal output to the audio DSP2 (IC1601)
81
HACN2
I
Host acknowledge signal input from the audio DSP2(IC1601)
82
HCS2
O
Host chip select signal output to the audio DSP2 (IC1601)
83
GB9
I
Signal input from the audio DSP1 (IC1501)
84
BST1
O
Boot strap signal output to the audio DSP1 (IC1501)
85
HCS1
O
Host chip select signal output to the audio DSP1 (IC1501)
86
A1 IN
I
Audio bus input terminal (control A1)
87
A1 OUT
O
Audio bus output terminal (control A1)
60
STR-DB870/DB1070
Pin No.
Pin Name
I/O
Description
88
HACN1
I
Host acknowledge signal input from the audio DSP1(IC1501)
89
XRST1
O
Reset signal output to the audio DSP1 (IC1501)
90
PM1
O
PLL initialize signal output to the audio DSP1 (IC1501)
91
ADC : RST
O
Reset signal output to the A/D converter (IC1101)
92
DACINT
O
Reset signal output to the D/A converter (IC1201)
93
DA1LAT
O
Serial data latch pulse output to the D/A converter (IC1201)
94
(PG3) DACCLK
O
Serial data transfer clock signal output to the D/A converter (IC1201, 1202)
95
(PG4) DACDI
O
Serial date output to the D/A converter (IC1201, 1202)
96
(PG5) 2EXLOCK
O
Extarnal lock signal output to the audio DSP (IC1601)
97
VCC
—
Power supply terminal (+3.3V)
98
VSS
—
Ground terminal
99
EEPROM SDA
I/O
Two-way data bus with the EEPROM (IC1701)
100
EEPROM SCL
O
Serial data transfer clock signal output to the EEPROM (IC1701)
101
VSS
—
Ground terminal
102
HCLK
O
Host clock signal output to the audio DSP (IC1501, 1601)
103
HDIN
O
Host serial data output to the audio DSP (IC1501, 1601)
104
HDOUT2
I
Host serial data input from the audio DSP (IC1601)
105
CLK
O
OSD serial data transfer clock signal output to the select switch (IC307)
106
DATA
O
OSD serial data output to the select switch (IC307)
107
LAT
O
OSD serial data latch pulse output to the select switch (IC307)
108
DAIDO
I
Serial data input from the D/A converter (IC1201)
109
SOTI
O
UART signal output terminal Not used (fixed at “L”)
110
SIN1
I
UART signal input terminal Not used (fixed at “L”)
111
CLK
O
Serial data transfer clock signal output to the FL display driver (IC1601)
112
DIN
O
Serial data output to the FL display driver (IC1601)
113
LAT
O
Serial data latch pulse output to the FL display driver (IC1601)
114
CLR
O
Clear signal output to the FL display driver (IC1601)
115
VOL IC LAT
O
Serial data latch pulse output to the electrical volume (IC401, 501, 601, 701)
116
SYSTEM MUTE
O
System muting control signal output terminal
117
AC MUTE
O
Audio muting control signal output to the poweramp (IC403, 503, 603)
118
PROTECTOR
I
Over load detection signal input from the protect circuit “L”: protect detect
119
DA2LAT
O
Serial data latch pulse output to the A/D, D/A converter (IC1202)
120
CD DIRECT
O
CD direct relay drive signal output terminal “H”: relay on
121
ANALOG DIGITAL
O
Analog/digital select signal output to the TC7WH157FU (IC1407)
“L”: analog, “H”: digital
“L”: analog, “H”: digital
122
VCC
—
Power supply terminal (+3.3V)
123
A. DIRECT
O
MULT/2CH DIRECT select signal output terminal Not used (open)
124
NC
—
Not used (open)
125
NC
—
Not used (open)
126
DAVS
—
Ground terminal (for digital)
127
DAVC
—
Power supply terminal (+3.3V) (for digital)
128
AVCC
—
Power supply terminal (+3.3V) (for analog)
129
AVRH
—
Reference voltage input (+3.3V) terminal (for analog)
130
AVRL
—
Connect to ground (for analog)
131
AVSS
—
Ground terminal (for terminal)
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