Sony CDP-XA50ES Service Manual page 38

Pin No. Pin Name
41 K3
42 K4
43 K5
44 ADJ/AFJ
45 IN/OUT SW
46 SCLK
47 PRGL
48 CLK
49 SENSE
50 DATA
51 SQCK
52 SUBQ
53 TEST
54 SEL1
55 SEL0
56 RMIN
57 TIMER
58 TEST
59 TEST
60 SCOR
61 AMUTE
62 LDON
63 XLT
64 LOAD OUT
65 LOAD IN
66 DOUT
67 DMUTE
68 D0
69 D1
70 D2
71 D3
72 VDD
73 NC
74 D4
75 D5
76 D6
77 D7
78 A0
79 A1
80 A2
*1 Loading motor (M271) control
Operation
Terminal
LOAD OUT (pin ^¢)
LOAD IN (pin ^∞)
I / O
Key input terminal (A/D input)
I
§ OPEN/CLOSE, (, P, p keys (S889 to S892) input
I Rotary encoder input terminal (A/D input)
I Rotary encoder input terminal (A/D input)
I Setting terminal for the test mode
I Detection input from the loading in/out detect switch (S281, S282) (A/D input)
O Sense serial data reading clock signal output to the CXD2545Q (IC101)
O Serial data latch pulse signal output to the CXD8679Q (IC601)
O Serial data transfer clock signal output to the CXD2545Q (IC101) and CXD8679Q (IC601)
I Internal status (SENSE) signal input from the CXD2545Q (IC101)
O Serial data output to the CXD2545Q (IC101) and CXD8679Q (IC601)
O Sub-code Q data reading clock signal output to the CXD2545Q (IC101)
I Sub-code Q data signal input from the CXD2545Q (IC101)
O Output terminal for the test
I Destination setting terminal (fixed at "L")
I Destination setting terminal (fixed at "L")
I Remote control signal input from the remote control receiver (IC804)
I Timer control input terminal
O Output terminal for the test
O Output terminal for the test
I Sub-code sync (S0+S1) detection signal input from the CXD2545Q (IC101)
O Muting control signal output to the analog mute driver and mute relay driver
O Laser diode on/off selection signal output to the RF amplifier in optical pick-up
O Serial data latch pulse signal output to the CXD2545Q (IC101)
O Loading motor (M271) drive signal output to the LB1641 (IC203)
O Loading motor (M271) drive signal output to the LB1641 (IC203)
O Digital out on/off control signal output to the CXD2545Q (IC101)
O Muting control signal output to the CXD2545Q (IC101) and CXD8679Q (IC601)
I/O
I/O
Two-way data bus with the static RAM (IC202)
I/O
I/O
— Power supply terminal (+5V)
I Not used (fixed at "H")
I/O
I/O
Two-way data bus with the static RAM (IC202)
I/O
I/O
O
O Address signal output to the static RAM (IC202)
O
OFF OUT
"L" "H" "L"
"L" "L" "H"
Function
AMS ± key (RV870) input
AMS ≠ key (RV870) input
"L" active
Not used (open)
Not used (fixed at "H")
Not used (open)
Not used (open)
I N BRAKE
"H"
"H"
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