Sony CDP-CX220 Service Manual page 38

Compact disc player
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Pin No.
Pin Name
48
CLK
49
XLT
50
DATA
51
SQCLK
52
SUBQ
53
NC
54
SENS
55
OUTSW
56
RMIN
57
AFADJ
58
FLLT
59
NC
60
KBCIN
61
SCOR
62
T.SENS1
63
T.SENS2
64
T.SENS3
65
ICSW
66
RFSW
67
INSW
68 to 71
D3 to D6
72
VDD
73
NC (VDD)
74
D7
75 to 77
D2 to D0
78 to 80
A0 to A2
I/O
O
Command serial data transfer clock signal output to the CXD2587Q (IC101)
O
Command latch pulse output to the CXD2587Q (IC101) "L" active
O
Command serial data output to the CXD2587Q (IC101)
SENS serial data reading clock and subcode Q data reading clock signal output to the CXD2587Q
O
(IC101)
I
Subcode Q data input from the CXD2587Q (IC101)
O
Not used (open)
I
Internal status monitor input from the CXD2587Q (IC101) "H" active
I
Inputs the loading in/out detect switch (S801) detection signal "L" active
I
Remote control signal input from the remote control receiver (IC601) "L" active
I
Setting terminal for the test mode "L": AFADJ mode, Normally: fixed at "H"
O
Serial data latch pulse output to the FL driver (IC701) "L" active
O
Not used (open)
O
Serial data transfer clock signal output terminal Not used (open)
I
Subcode sync (S0+S1) detection signal input from the CXD2587Q (IC101) "H" active
I
Disc table flag detect sensor (IC802) input terminal
I
Disc table flag detect sensor (IC803) input terminal
I
Disc table home position detect sensor (IC801) input terminal
O
Enable signal output to the LA5616 (IC506) Used for the BD section reset "H" active
O
RF AGC hold control signal output to the CXA2568M (IC103) "H" active
I
Inputs the loading in/out detect switch (S801) detection signal "L" active
I/O
Two-way data bus with the static RAM (IC502)
Power supply terminal (+5V)
Not used (connected to power supply (+5V) line)
I/O
Two-way data bus with the static RAM (IC502)
I/O
Two-way data bus with the static RAM (IC502)
O
Address signal output to the static RAM (IC502)
Function
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