Sony HCD-MDX10 Service Manual - Page 81

Pin No., Pin Name, Function

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Pin No. 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93, 94 95 96 97 98 99 100 Pin Name STEREO TUNED ST-CE ST-DOUT ST-DIN ST-CLK SENS HDLD XLAT XRST DISC-SENS T-SENS VCC TBL-L VSS TBL-R LOAD-OUT LOAD-IN ENC 3/UP-SW ENC 2/DISC-LED ENC 1 OUT-OPEN B-TRG A-TRG CAP-M-COT2 CAP-M-COT1 CAP-M-H/L AMS-IN TC-MUTE R/PB/PAS NR-ON/OFF REC-MUTE BIAS EQ-H/N PB-A/B ALC B-PLAY-SW A-PLAY-SW A-HALF B-HALF B-SHUT A-SHUT SOFT-TEST KEY/CD-ADJ MODEL IN AVSS SPEC-IN VREF AVCC TC-RELAY I/O I Stereo detection for tuner Function I Tuned detection for tuner O Tuner chip enable output O Tuner data output I Tuner data input O Tuned clock output I BD Condition signal input O Mode hold signal output O CD latch signal output O CD reset signal output I Slit sensor of disc table input I CD table detection signal input - Power supply (+5V) O Table motor control output - Ground O Table motor control output O Loading motor control signal output O I I Disc tray address detect encoder input I O Loading out detection signal output O Trigger motor control output O O Capstan motor control 1(-) signal output O Capstan motor control 2(-) signal output O Capstan motor H/L speed select signal output I Connected to ground O TC mute ON/OFF selection output O REC/PB/PASS selection output O NR ON/OFF signal output O REC mute ON/OFF selection output O Bias ON/OFF selection output O Equalizer H/N select output O PB Deck A/Deck B select output O ALC ON/OFF output I Deck B play detect I Deck A play detect I Deck A cassette detect I Deck B cassette detect I B Deck reel pulse detector I A Deck reel pulse detector O Software test port I CD adjust point port I Version select signal input - Ground I Version select signal input I Analog reference voltage input - Analog power supply O REC/PB head selection output for IC602 - 117 -

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– 117 –
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
Tuned clock output
56
SENS
I
BD Condition signal input
57
HDLD
O
Mode hold signal output
58
XLAT
O
CD latch signal output
59
XRST
O
CD reset signal output
60
DISC-SENS
I
Slit sensor of disc table input
61
T-SENS
I
CD table detection signal input
62
VCC
–
Power supply (+5V)
63
TBL-L
O
Table motor control output
64
VSS
–
Ground
65
TBL-R
O
Table motor control output
66
LOAD-OUT
O
67
LOAD-IN
O
68
ENC 3/UP-SW
I
69
ENC 2/DISC-LED
I
70
ENC 1
I
71
OUT-OPEN
O
Loading out detection signal output
72
B-TRG
O
73
A-TRG
O
74
CAP-M-COT2
O
Capstan motor control 1(-) signal output
75
CAP-M-COT1
O
Capstan motor control 2(-) signal output
76
CAP-M-H/L
O
Capstan motor H/L speed select signal output
77
AMS-IN
I
Connected to ground
78
TC-MUTE
O
TC mute ON/OFF selection output
79
R/PB/PAS
O
REC/PB/PASS selection output
80
NR-ON/OFF
O
NR ON/OFF signal output
81
REC-MUTE
O
REC mute ON/OFF selection output
82
BIAS
O
Bias ON/OFF selection output
83
EQ-H/N
O
Equalizer H/N select output
84
PB-A/B
O
PB Deck A/Deck B select output
85
ALC
O
ALC ON/OFF output
86
B-PLAY-SW
I
Deck B play detect
87
A-PLAY-SW
I
Deck A play detect
88
A-HALF
I
Deck A cassette detect
89
B-HALF
I
Deck B cassette detect
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
93, 94
KEY/CD-ADJ
I
CD adjust point port
95
MODEL IN
I
Version select signal input
96
AVSS
–
Ground
97
SPEC-IN
I
Version select signal input
98
VREF
I
Analog reference voltage input
99
AVCC
–
Analog power supply
100
TC-RELAY
O
REC/PB head selection output for IC602
Loading motor control signal output
Disc tray address detect encoder input
Trigger motor control output