Sony HCD-H331 - Page 16

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46 X-LAT O Serial data latch output to the DSP (IC103).
47 TEST O Terminal for test mode.
48 VAREF – Reference Voltage for A/D converter. (+5V)
49 VASS – Ground for analog (Ground).
50 VSS – Ground .
51 VDD – Power supply. (+5V)
52 SPEC I Terminal for mechanism selection.
53 DESTINATION I Terminal for model selection.
54 DISC SENS I Disc Sensor input terminal.
55 TC RELAY O REC/PB head selector signal output.
56 A-SHUT I Deck-A reel table detect. Not used.(Ground)
57 B-SHUT I Deck-B reel table detect. Not used.(Ground)
58 B-HALF I Deck-B cassette detect. Not used.(Ground)
59 A-HALF I Deck-A cassette detect. Not used.(Ground)
60 220 A PLAY I Deck-A play detect. Not used.(Ground)
61 220 B PLAY I Deck-B play detect. Not used.(Ground)
62 62427-LAT O Serial data latch output to IC 901.
63 K-CON-LAT O Not used (Open).
64 VOL-LAT (AV) O Not used (Open).
65 FRONT • SP RELAY B O Front speaker Relay Drive output. Not used (Open)
66 REAR • SP RELAY C O Rear speaker Relay Drive output. Not used (Open)
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67 POWER ON O Power ON output. L : ON
68 CD POWER O CD power switch output.
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69 PROLOG LAT O Not used (Open).
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70 MUTE O Mute ON/OFF control. L : Mute ON
71 COM CLK O System clock (COM) output.
72 COM DIN I Serial data input from tuner.
73 COM DATA O Serial data (COM) output.
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74 K-COM-ON O Not used (Open).
75 RIDDED LED O Not used (Open).
76 PROLOG ON O Not used (Open).
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77 DBFB HIGH O DBFB LOW/HIGH control. L : DBFB High
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78 URG STB STD BY O Not used (Open).
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79 URG SIG ON O Not used (Open).
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80 TC-A O Deck A/B Selection output. L : Deck-A
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81 NORM O NORMAL/HIGH Selection output. Not used (Open).
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82 BIAS OFF O Bias ON/OFF Selection output. L : Bias OFF
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83 REC MUTE O REC Mute ON/OFF Selection output. L : Mute ON
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84 NR OFF O NR ON/OFF Selection output. L : NR OFF
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85 PB O REC/PB Selection output. L : PB
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86 PASS • AMP/DOLBY O Dolby pass signal output.
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87 LINE MUTE ON O Line mute signal output. L : Mute ON
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88 CAP • M HIGH O Capstan moter HIGH/LOW Selection output. Not used (Open).
89 A – TRG O Trigger motor control output. Not used (Open).
90 B – TRG O Trigger motor control output. Not used (Open).
Pin No. Pin name I/O Description