Sony STR-DB1070 - Fm Stereo/fm-am Receiver Service Manual page 51

Pin No. Pin Name
M STATUS
41
D.POWER
42
V.POWER
43
VSS
44
NC
45, 46
ERROR
47
NC
48
SUB.T.PORT
49
AUDIO SPLIT LED
50
GND
51
MD2
52
MD1
53
MD0
54
RSTX
55
VCC
56
X1
57
X0
58
VSS
59
STOP
60
RDS CLK
61
POWER
62
MBUS TV
63
MBUS DVD
64
MBUS VIDEO
65
SIRCS
66
DIR ERROR
67
VCC
68
XSTATE
69
DATA0
70
XMODE
71
CKSEL1
72
CLK
73
CE
74
75 DI
DO
76
VCC
77
BST
78
PM2
79
XRST2
80
HACN2
81
HCS2
82
GB9
83
BST1
84
HCS1
85
A1 IN
86
A1 OUT
87
I/O
O
STATUS (M BUS) control signal output to the select switch (IC751)
O
Power ON/OFF control signal output terminal (digital section power)
O
Power ON/OFF control signal output terminal (video section power)
—
Ground terminal
I
Not used (fixed at "L" )
I
Error signal input from the audio DSP (IC1601)
I
Not used (fixed at "L" )
O
Sub power transformer (T2) on/off signal output terminal
O
LED drive signal output of AUDIO SPLIT indicator (D1801)
—
Not used (fixed at "L" )
O
MD2 signal output terminal (fixed at "L" )
O
MD1 signal output terminal (fixed at "H" )
O
MD0 signal output terminal (fixed at "H" )
I
System reset signal input from the reset signal generator (IC1702)
—
Power supply terminal (+3.3V)
O
Main system clock output terminal (16.5MHz)
I
Main system clock output terminal (16.5MHz)
—
Ground terminal
I
AC power check signal input terminal
I
RDS serial data transfer clock signal input from the RDS decoder (IC1303)
I
Key input terminal I/1 key (S1704) input
I
TV (M BUS) signal input from the TV jack (J755) (US, Canadian models only)
I
DVD (M BUS) signal input terminal (US, Canadian models only)
I
VIDEO (M BUS) input terminal (US, Canadian models only)
I
Sircs signal input from the remote control receiver (IC1701) and select switch (IC751)
I
Error signal input from the digital audio interface receiver (IC1408)
—
Power supply terminal (+3.3V)
I
Clock status flag signal input from the digital audio interface receiver (IC1408)
I
Audio data input from the digital audio interface receiver (IC1408)
O
Reset signal output to the digital audio interface receiver (IC1408) "L": active
O
System clock select 1 output to the digital audio interface receiver (IC1408)
O
Clock signal output to the digital audio interface receiver (IC1408)
O
Chip enable signal output to the digital audio interface receiver (IC1408)
O
Data output to the digital audio interface receiver (IC1408)
I
Data input from the digital audio interface receiver (IC1408)
—
Power supply terminal (+3.3V)
O
Booster control signal output to the audio DSP2 (IC1601)
O
PLL initialize signal output to the audio DSP2 (IC1601)
O
Reset signal output to the audio DSP2 (IC1601)
I
Host acknowledge signal input from the audio DSP2(IC1601)
O
Host chip select signal output to the audio DSP2 (IC1601)
I
Signal input from the audio DSP1 (IC1501)
O
Boot strap signal output to the audio DSP1 (IC1501)
O
Host chip select signal output to the audio DSP1 (IC1501)
I
Audio bus input terminal (control A1)
O
Audio bus output terminal (control A1)
STR-DB870/DB1070
Description
51