Technicolor - Thomson CDP-CX57 User Manual
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• MAIN BOARD IC501 CXP84340-071Q (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Function
1 to 5
A3 to A7
O
6
A12
O
7
A14
O
Address signal output to the static RAM (IC502)
8 to 11
A11 to A8
O
12
A13
O
13
WE
O
Data write enable signal output to the static RAM (IC502) “L” active
14
LDIN
O
Loading motor drive signal (load-in direction) output to the BA6780 (IC601) “H” active
15
LDOUT
O
Loading motor drive signal (load-out direction) output to the BA6780 (IC601) “H” active
16
TBLL
O
Table motor drive signal (counterclockwise) output to the BA6780 (IC601) “H” active
17
TBLR
O
Table motor drive signal (clockwise) output to the BA6780 (IC601) “H” active
18, 19
NC
O
Not used (open)
20
HHOUT
O
AND output of T.SENS1 (pin ^™) and T.SENS2 (pin ^£) when the test mode
21
LEDL
O
Serial data latch pulse output to the LED driver (IC903) “H” active
22
FLLT
O
Serial data latch pulse output to the FL driver (IC901) “L” active
23
JOG1
I
Jog dial pulse input from the rotary encoder (RE901)
24
JOG2
I
Jog dial pulse input from the rotary encoder (RE901)
25
DOORSW
I
Door open/close detect switch (S925) input “L”: close, “H”: open
26
FLCK
O
Serial data transfer clock signal output to the FL driver (IC901) “L” active
27
FLDT
O
Serial data output to the FL driver (IC901)
28
ZMUTE
O
Muting on/off control signal output for the 2nd CD IN “H” active
29
ICSW
O
Enable signal output to the LA5602 (IC201) Used for the BD section reset “H” active
30
RESET
I
System reset signal input from the reset signal generator (IC203) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
31
EXTAL
I
Main system clock input terminal (10 MHz)
32
XTAL
O
Main system clock output terminal (10 MHz)
33
VSS
—
Ground terminal
34
TX
O
Sub system clock output terminal Not used (open)
35
TEX
I
Sub system clock input terminal Not used (fixed at “L”)
36
AVSS
—
Ground terminal (for A/D converter)
37
AVREF
I
Reference voltage (+5V) input terminal (for A/D converter)
38
KEY0
I
Key input terminal (A/D input) CLEAR, CHECK, FADER, MEMO SEARCH, INPUT,
TIME/TEXT keys input (S901 to 906)
39
KEY1
I
Key input terminal (A/D input)
±, ≠, p, P, ·, PLUS ONE, REPEAT, PLAY MODE keys input (S907 to 914)
40
KEY2
I
Key input terminal (A/D input)
I/
u, X-FADE, NO DELAY, MEGA CONTROL keys input (S921 to 924)
41
KEY3
I
Key input terminal (A/D input) GROUP 5 to 1, GROUP FILE keys input (S915 to 920)
42
D.SENS
I
Inputs the disc sensor (Q51) detection signal “H” active
43
CD1/2/3
I
COMMAND MODE switch (S701) input terminal
“L”: CD1, “H”: CD3 (CD2: center voltage input)
44
TEST
I
Setting terminal for the test mode “L”: ADJ mode, center voltage: AFADJ mode
45
BUSOUT
O
Sircs remote control signal output for the S-LINK CONTROL A1 “H” active
46
BUSIN
I
Sircs remote control signal input for the S-LINK CONTROL A1 “L” active
47
SL+
O
Sled feeding signal (external direction) output to the RF amplifier (IC101) “H” active
48
CQCK
O
Command serial clock signal output to the RF amplifier (IC101) and DSP (IC102)
“L” active