Sony HCD-J3MD Service Manual page 78

Pin No. Pin Name
51 TUNED
52 ST-CE
53 ST-DOUT
54 ST-DIN
55 ST-CLK
56 SENS
57 HDLD
58 CD-LAT
59 CD-RESET
60 LED
61 LED
62 VCC
63 LED
64 VSS
65 AMS-IN
66 LOAD-OUT
67 LOAD-IN
68 B-TRG
69 CAPM-CNT1
70 IN-SW
71 OPEN
72 TC-MUTE
73 REC/PB/PASS
74 DOLBY NR
75 REC MUTE
76 BIAS
77 EQ-H/N
78 TC-RELAY
79 ALC
80 B-PLAY-SW
81 CD DATA
82 CD CLK
83 REC OUT CONT
84 JOG A
85 JOG B
86 VOL A
87 VOL B
88 SIRCS
89 to 91 KEY 0 to KEY 2
92 MD-REC-R
93 B-HALF
94 MD-REC-L
95 MODEL-IN
96 AG
97 SPEC-IN
98 VREF
99 AVCC
100 TEST
78
I/O
I Tuned signal input from tuner
O Tuner chip enable output
O Tuner data output
I Tuner data input
O Tuner clock output
I BD detection signal input
O Mode hold signal output
O CD latch signal output
O CD reset signal output
O REC (tape cassette)
O MD ornament (blue)
— +5 V power
O PAUSE (cassette deck)
— GND
I AMS signal input
O
Loading motor control input/output.
O
O Tape cassette trigger output. "H": ON. "L": OFF
O Capstan (Forward rotation - stop)
I Loading-in signal input
O Loading-out signal input
O Tape cassette LINE mute. "H": ON. "L": OFF
I REC/PB/PASS
O DOLBY NR. "H": ON. "L": OFF
O REC mute. "H": OFF, "L": ON
O Bias. "H": ON. "L": OFF
O Equalizer. "H": HI, "L": normal (not used)
O Tape cassette. "H": ON. "L": OFF
O ALC. "H": OFF, "L": ON
I Tape cassette PLAY switch input
O CD data signal output
O CD clock signal output
O REC output control "L": MUTE (not used)
— Not used
— Not used
I Volume control signal input-A
I Volume control signal input-B
I SIRCS signal input
I Key input
I MD record level signal input (R)
I Tape cassette deck half
I MD record level signal input (L)
I MODEL input signal (Note used)
— GND (analog)
I SPEC input
I Reference voltage input
I +5 V power
— Not used
Function