Sony HCD-MD5, Руководство по обслуживанию

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43 ATSY I
ATP address sync or subcode Q sync (SCOR) from the CXA2535BR (IC121).
“L” is input every 13.3 msec.
Almost all “H”.
44 DQSY I
Input of U-bit CD format subcode Q sync (SCOR) from the CXA2535BR (IC121).
“L” is input every 13.3 msec.
Almost all “H”.
45 — O
46 — O
Not used (Connected to GND).
47 — O
48 — I
49 SCLK O Clock signal output to the serial bus.
50 SWDT O Writing data signal output to the serial bus.
51 SRDT I Reading data signal input from the serial bus.
52 — I Connected to Pin
%¡
.
53 FLCLK O
54 FLDATA O Not used (Open).
55 FLCS O
56 — I Not used (Connected to GND).
57 TEST 0 I Test pin (Fixed at “L”)
58 TEST 1 O Reset signal output to the CXA2536CR (IC271).
59 — I
60 — I
Not used (Connected to GND).
61 AFAST I Not used (Fixed at “L”).
62 16/18 I 16-bit/18-bit select. “L”: 16-bit (Fixed at “L”)
63 LDON O Laser ON/OFF control output. “H”: Laser ON.
64 P/GROOVE I Not used (Connected to GND).
65 FOK I
FOK signal input from the CXA2535BR (IC121).
“H” is input when focus is on.
66 MON I Not used (Pulled down at input). (Fixed at “L”.)
67 LOCK O Not used (Pulled down at output). (Fixed at “L”.)
68 WRPWR O Laser power select signal output to the optical block and CXA2535BR (IC121).
69 DIG RST O
Reset signal output to the CXA1961AR (IC101), CXA2535BR (IC121), and the motor driver (IC151).
Reset: “L”.
70 DA RST O Reset signal output to the A/D, D/A converter (IC303). Reset: “L”.
71 SCMD 1 O
72 SCMD 0 O
Serial command control mode output to the CXA2536CR (IC271).
Laser modulation select signal output
Playback power:“L”, Stop: “H”.
Recording power:
0.5 s
73 MOD O
74 REC/PB O Recording/Playback select signal output to the CXA2535BR (IC121). Recording: “H”, Playback: “L”.
75 WR/MN O Write/Monitor mode select signal output to the CXA2536CR (IC271).
76 SCTX O
Writing data transmission timing output to the CXA2536CR (IC271).
Also serves as the magnetic head ON/OFF output.
77 XLATCH O Latch signal output to the serial bus.
78 DF LATCH O Latch signal output to the D/A converter. Not used (Fixed at ‘’H”).
79 DF MUTE O Not used (Fixed at “L”).
Pin No. Pin Name I/O Function
2 s