Technicolor - Thomson CDP-CX57 Benutzerhandbuch

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Pin No.
Pin Name
I/O
Function
49
SQOUT
I
Subcode Q data input from the DSP (IC102)
50
COIN
O
Command serial data output to the RF amplifier (IC101) and DSP (IC102)
51
SCLK
O
Serial data transfer clock signal output to the CD text decoder (IC104)    “L” active
52
SRDT
I
Serial data input from the CD text decoder (IC104)
53
NC
O
Not used (open)
54
DRF
I
Focus OK signal input from the RF amplifier (IC101) and DSP (IC102)    “L”: NG, “H”: OK
55
WRQ
I
Subcode Q synchronizing signal input from the DSP (IC102)    “H” active
56
RMIN
I
Remote control signal input from the remote control receiver (IC902)    “L” active
57
TGL
I
Tracking gain control signal input from the DSP (IC102)                                                                   
Gain becomes low when tracking gain is “H”
58
RWC
O
Command latch output to the RF amplifier (IC101) and DSP (IC102)    “L” active
59
SL–
O
Sled feeding signal (internal direction) output to the RF amplifier (IC101)    “H” active
60
DQSY
I
Serial data synchronizing signal input from the CD text decoder (IC104)    “L” active
61
XMODE
O
Reset signal output to the CD text decoder (IC104)    “H”: reset
62
T.SENS1
I
Disc table flag detect sensor (IC51) input terminal
63
T.SENS2
I
Disc table flag detect sensor (IC52) input terminal
64
T.SENS3
I
Disc table home position detect sensor (IC53) input terminal
65
DOWNSW
I
Inputs the loading out switch (S52) detection signal    “L” active
66
UPSW
I
Inputs the loading in switch (S51) detection signal    “L” active
67
SELECT
I
Not used (fixed at “H”)
68 to 71
D3 to D6
I/O
Two-way data bus with the static RAM (IC502)
72
VDD
Power supply terminal (+5V)
73
NC (VDD)
Not used (connected to power supply (+5V) line)
74
D7
I/O
Two-way data bus with the static RAM (IC502)
75 to 77
D0 to D2
I/O
Two-way data bus with the static RAM (IC502)
78 to 80
A0 to A2
O
Address signal output to the static RAM (IC502)