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35
Pin No.
Pin Name
I/O
Description
43
502-LAT
O
Serial data latch pulse output to the M61502FP (IC101)
44
502-DATA
O
Serial data output to the M61502FP (IC101)
45
502-CLK
O
Serial data transfer clock signal output to the M61502FP (IC101)
46
ST-CLK
O
PLL serial data transfer clock signal output to the tuner pack
47
ST-DIN
I
PLL serial data input from the tuner pack
48
ST-DOUT
O
PLL serial data output to the tuner pack
49
ST-CE
O
PLL chip enable signal output to the tuner pack
50
TUNED
I
Tuning detection signal input from the tuner pack “L”: tuned
51
STEREO
I
FM stereo detection signal input from the tuner pack “L”: stereo
52
ST-MUTE
O
Tuner muting control signal output to the tuner pack “L”: muting on
53
AMS-IN
I
Automatic music sensor detection signal input from the HA12226F (IC301)
54
TC-MUTE
O
Line muting on/off selection signal output to the HA12226F (IC301) “H”: muting on
55
R/PB/PASS
O
Recording/playback/pass selection signal output to the HA12226F (IC301)
“L”: recording, center voltage: playback, “H”: pass
56
NR-ON/OFF
O
Dolby NR on/off selection signal output to the HA12226F (IC301) “H”: Dolby NR on
57
REC-MUTE
O
Recording muting on/off selection signal output to the HA12226F (IC301) “L”: muting on
58
BIAS
O
Recording bias on/off selection signal output to the HA12226F (IC301) “H”: bias on
59
EQ-H/N
O
Normal/high speed selection signal output to the HA12226F (IC301)
“L”: normal speed, “H”: high speed
60
PB-A/B
O
Deck-A/B selection signal output to the HA12226F (IC301) “L”: deck-A, “H”: deck-B
61
ALC
O
Automatic limiter control signal output to the HA12226F (IC301) “L”: limiter on
62
VCC
—
Power supply terminal (+5V)
63
TC-RELAY
O
Recording/playback select signal output to the REC/PB switch (IC602)
“L”: playback, “H”: recording
64
VSS
—
Ground terminal
65
A-TRIG
O
Deck-A trigger plunger drive signal output terminal “H”: trigger plunger on
66
B-TRIG
O
Deck-B trigger plunger drive signal output terminal “H”: trigger plunger on
67
CAPM-H/L
O
High/normal speed selection signal output of the capstan motor (M901)
“L”: high speed, “H”: normal speed
68
CAPM-CONT
O
Capstan motor (M901) drive signal output terminal “L”: FWD direction, “H”: REV direction
69
A-HALF
I
Detection input from the deck-A cassette detect switch (S1003)
“L”: cassette in, “H”: no cassette
70
A-PLAY
I
Detection input from the deck- A play detect switch (S1001) “H”: deck-A play
71
B-PLAY
I
Detection input from the deck- B play detect switch (S1002) “H”: deck-B play
72
IIC-BUSY
I/O
Communication data bus busy signal input from the IF controller (IC1) “L”: busy
73
LOD-POS
O
Loading motor drive signal output terminal Not used (open)
74
LOD-NEG
O
Loading motor drive signal output terminal Not used (open)
75
OUT-SW
I
Loading out detection signal input terminal Not used (fixed at “H”)
76
MIDOUT-SW
I
Detection signal in the midst of loading out input terminal Not used (fixed at “H”)
77
IN-SW
I
Loading in detection signal input terminal Not used (fixed at “H”)
78
MIDIN-SW
I
Detection signal in the midst of loading in input terminal Not used (fixed at “H”)
79
CLP-POS
O
Clamp motor drive signal output terminal Not used (open)
80
CLP-NEG
O
Clamp motor drive signal output terminal Not used (open)
81
INIT-SW
I
Changer elevator position detection signal input terminal Not used (fixed at “H”)
82
CNT-SW
I
Changer elevator position detection signal input terminal Not used (fixed at “H”)
83
ENC2
I
Disc tray address detection signal input terminal Not used (fixed at “H”)
84
ENC1
I
Disc tray address detection signal input terminal Not used (fixed at “H”)
Содержание HCD-ZX70DVD
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Страница 24: ...HCD ZX70DVD 24 24 6 2 PRINTED WIRING BOARD TK Board See page 23 for Circuit Boards Location Page 26 Page 26 ...
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