Sony HCD-VR50, Руководство по обслуживанию

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Pin No. Pin Name I/O Function
50 STEREO I Stereo detection for tuner
51 TUNED I Tuned detection for tuner
52 ST-CE O Tuner chip enable output
53 ST-DOUT O Tuner data output
54 ST-DIN I Tuner data input
55 ST-CLK O Tuner clock output
56 SENS I BD Condition signal input
57 HOLD O MODE signal output
58 XLT O CD latch signal output
59 XRST O CD reset signal output
60 DISC-SENS I Slit sensor of disc table input (Connected to ground)
61 T-SENS I CD table detection signal input
62 VDD – Power supply (+5V)
63 TBL-L O Table motor control output
64 VSS I Ground
65 TBL-R O Table motor control output
66 LOAD-OUT O Loading motor control signal output (Not used)
67 LOAD-IN O Loading motor control signal input (Not used)
68 ENC 3/UP-SW I UP-SW detect input
69 ENC 2/DISC-LED O LED driver output
70 ENC 1 I (Connected to ground)
71 OUT-OPEN O (Connected to ground) Loading out detection signal output
72 B-TRG O B deck trigger motor control output
73 A-TRG O A deck trigger motor control output
74 CAP-M-COT2 O Capstan motor REW/FWD/STOP signal output
75 CAP-M-COT1 O Capstan motor REW/FWD/STOP signal output
76 CAP-M-H/L O Capstan motor High/Low speed select signal output
77 AMS-IN I AMS signal input
78 TC-MUTE O TC line mute ON/OFF selection output
79 R/PB/PAS O REC/PB/PASS selection output
80 NR-ON/OFF O DOLBY NR ON/OFF signal output
81 REC-MUTE O REC mute ON/OFF selection output
82 BIAS O Bias ON/OFF signal output
83 EQ-H/N O Equalizer High/Normal select output
84 PB-A/B O PB A deck/B deck select output
85 ALC O ALC ON/OFF output signal
86 B-PLAY-SW I B deck play detect
87 A-PLAY-SW I A deck play detect
88 A-HALF I A Deck half detector signal input
89 B-HALF I B Deck half detector signal input
90 B-SHUT I B Deck reel pulse detector
91 A-SHUT I A Deck reel pulse detector
92 SOFT-TEST O Software test port (Not used)
93 HP-MUTE O Head phone mute signal output
94 KEY/CD-ADJ I KEY (use the jig)/CD adjust point port
95 MODEL IN I MODEL input
96 AVSS – Analog ground
97 SPEC-IN I Specifications input
98 VREF I Analog reference voltage input
99 AVCC – Analog power supply (+5V)
100 TC-RELAY O REC/PB head selection output for IC602
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