Sony STR-DE845 Service Manual page 49

Pin No.
56
57
58
59
60
61, 62
63
64
65
66
67
68 to 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
101
102
103
104
105
106
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Pin Name I/O
SDATA O
Tuner data output to the FM/AM tuner unit (TM301)
SCLK O
Tuner clock signal output to the FM/AM tuner unit (TM301)
DATA IN I PLL data input from the FM/AM tuner unit (TM301)
AUSTOP I
Tuned display detection signal input from the FM/AM tuner unit (TM301)
STEREO I
Stereo detection signal input from the FM/AM tuner unit (TM301)
NC I Not used (fixed at "L")
VSS —
Ground terminal
NC I
Not used (fixed at "L")
TH I
Protect signal input terminal (fixed at "L" in this set)
PROTEC I Over load detect signal input from the protect circuit "L": protect detect
STOP I
AC power check signal input from the power control (IC1206)
NC I
Not used (fixed at "L")
VIDEO (SW4) O
Video select (SW4) signal output to the video select switch (IC251, 252)
X1A — Not used (open)
X0A —
Not used (open)
VIDEO (SW3) O
Video select (SW3) signal output to the video select switch (IC251, 252)
VIDEO (SW2) O Video select (SW2) signal output to the video select switch (IC251, 252)
VIDEO (SW1) O
Video select (SW1) signal output to the video select switch (IC251, 252)
HI-FI/QS I
Model check detection input terminal
TAPE NO/YES I
Tape no/yes signal detection input terminal
VIDEO 3 NO/YES I VIDEO 3 no/yes signal detection input terminal
DTS NO/YES I
DTS no/yes signal detection input terminal
ACMUTE O
Muting control signal output to the power amp (IC501, 601, 701)
96K NO/YES I 96K no/yes signal detection input terminal Not used
TMUTE O Tuner muting control signal output to the FM/AM tuner unit (TM301) "H": muting
SMUTE O
Surround muting control signal output to the AF amp (IC1508, 1509, 1510)
HSTX —
Hardware standby terminal (fixed at "H" in this set)
MD2 O MD2 signal output to the display controller (IC102)
MD1 O
MD1 signal output terminal (fixed at "H" in this set)
MD0 O
MD0 signal output to the display controller (IC102)
REST I
Reset signal input from the display controller (IC102)
VSS — Ground terminal
XO O
Main system clock output terminal (16MHz)
XI I
Main system clock input terminal (16MHz)
VCC — Power supply terminal (+5V)
PO0, PO1 I
Rewrite terminal for the flash memory Not used (fixed at "L")
RY-4/8 O
4/8 relay drive signal out put terminal
RY-PRE O
Pre amp relay drive signal output terminal "H": relay on
RY-FRONT/A O Front speaker A relay drive signal output terminal "H": relay on
RY-FRONT/B O
Front speaker B relay drive signal output terminal "H": relay on
RY-CENTER O
Center speaker relay drive signal output terminal "H": relay on
RY-REAR O
Rear speaker relay drive signal output terminal "H": relay on
RY-WOOFER O Rear woofer relay drive signal output terminal "H": relay on
RY-HP O
Headphone relay drive signal output terminal "H": relay on
RY-POWER O
Power relay drive signal output terminal "H": relay on
ANG/DIG O Analog/digital select signal output terminal
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Description
"L": HI-FI "H": QS
"L": tape yes "H": tape no
"L": VIDEO 3 yes "H": VIDEO 3 no
"L": DTS yes "H": DTS no
Not used (open)
"L": analog "H": digital
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