Sony HCD-MG510AV Service Manual page 48

Amplifier, cd player, tape deck and tuner section in mhc-mg510av
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HCD-MG510AV
Pin No.
Pin Name
43
FL RESET
44
A-MUTE
45
HP-CHK
46
NC
47
DBFB-ON
48
DBFB-H/L
49
SURROUND
50
REC-MUTE
51
V-DATA
52
V-CLK
53
PB-A/B
54
PB/REC
55
F-RELAY
56
B-PLAY
57
V-MUTE
58
MO-ON
59
A-TRIG
60
B-TRIG
61
B-PLAY
62
VCC
63
NC
64
VSS
65
STK-MUTE
66
A-HALF
67
AMS-IN
68
PB-MUTE
69
TAPE
70
DVD
71
FM-ON
72
VCD-ON
73
DISPLAY KEY
74
POWER KEY
75
NC
76
TU-TUNED
77
TU-CE
78
TU-DI
79
TU-CLK
80
TU-DO
81
CD POWER
82
AC-CUT
83
C-XRST
84
C-SENS
85
C-DATA
48
I/O
O
Reset signal output to the display controller (IC701)
O
Audio muting on/off control signal output terminal "H": muting
I
Headphone detection signal input terminal "H": headphone on
Not used (fixed at "H")
O
DBFB on/off control signal output terminal "H": DBFB on
O
DBFB normal/high selection signal output terminal "L": DBFB high, "H": DBFB normal
O
Surround mode on/off control signal output terminal Not used (open)
O
Recording muting on/off control signal output terminal "H": muting on
O
Serial data output to the BD3861FS (IC302)
O
Serial data transfer clock signal output to the BD3861FS (IC302)
O
Deck-A/B selection signal output to the REC/PB amp (IC401) "L": deck-B, "H": deck-A
O
PB/REC selection signal output to the REC/PB switch (IC402) "L": PB, "H": REC
O
Relay drive signal output for the front speaker protection "H": on
Detection input from the deck-B play detect switch in the tape mechanism deck section
I
"L": deck-B play
O
Video muting on/off control signal output terminal Not used (open)
O
Capstan motor on/off control signal output terminal "H": on
O
Deck-A trigger plunger drive signal output terminal "H": trigger plunger on
O
Deck-B trigger plunger drive signal output terminal "H": trigger plunger on
Detection input from the deck-B play detect switch in the tape mechanism deck section
I
"L": deck-B play
Power supply terminal (+5V)
Not used (open)
Ground terminal
O
Power amplifier on/off control signal output terminal "L": power amplifier on
Detection input from the deck-A cassette detect switch in the tape mechanism deck section
I
"L": cassette in
I
Automatic music sensor detection signal input from the REC/PB amp (IC401)
O
Recording muting on/off control signal output terminal "H": muting on
O
Selection signal output of the input signal to the BU4066BC (IC306) "H": tape
O
Selection signal output of the input signal to the BU4066BC (IC306) "H": 5.1CH INPUT
O
FM on/of control signal output terminal "H": FM on
O
VCD on/off control signal output terminal Not used (open)
I
Key input terminal
DISPLAY key (S770) input
I
Key input terminal I/1 key (S700) input
Not used (open)
I
Tuning detection signal input from the FM/AM tuner pack "L": tuned, "H": detuned
O
PLL chip enable signal output to the FM/AM tuner pack
I
PLL serial data input from the FM/AM tuner pack
O
PLL serial data transfer clock signal output to the FM/AM tuner pack
O
PLL serial data output to the FM/AM tuner pack
O
CD power on/off control signal output terminal "H": CD on
I
AC off detection signal input from the reset signal generator (IC802)
O
Reset signal output to the CXD3017Q (IC101)
I
Internal status monitor input from the CXD3017Q (IC101)
O
Command serial data output to the CXD3017Q (IC101)
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