Sony HST-471 Service Manual page 19

Pin No. Pin Name
51 POWER - RY
52 H. P SENSE
53 TC B PLAY
54 TC A PLAY
55 TA A HALF
56 TC RELAY
57 TC CAP M. H/L
58 TC CAP M. ON/OFF
59 TC TRG H/L
60 TC A/B
61 TC NORM/HIGH
62 TC BIAS
63 TC REC MUTE
64 PROTECTION - IN
65 N.C
66 S.W -RY
67 POWER IN
68 PHASE OUT
69 N.C
70 SEGMENT 18
71 SEGMENT 17
72 SEGMENT 16
73 SEGMENT 15
74 SEGMENT 14
75 SEGMENT 13
76 SEGMENT 12
77 SEGMENT 11
78 SEGMENT 10
79 V load
80 SEGMENT 9
81 SEGMENT 8
82 SEGMENT 7
83 SEGMENT 6
84 SEGMENT 5
85 SEGMENT 4
86 SEGMENT 3
87 SEGMENT 2
88 SEGMENT 1
89 GRID 12
90 GRID 11
91 GRID 10
92 GRID 9
93 GRID 8
94 GRID 7
95 GRID 6
96 GRID 5
97 GRID 4
98 GRID 3
99 GRID 2
100 GRID 1
I/O
O POWER RELAY, H: ON.
I HEAD PHONE input, H: ON.
I TC B deck play switch, H: PLAY.
I TC A deck play switch, H: PLAY.
I TC A deck, half input.
O TC relay, H: ON.
O TC capstan motor H/L, H: LOW.
O TC capstan motor ON/OFF, L: ON.
O TC TRG H/L, L: LOW.
O TC PB A/B, H: B DECK (HA12203NT).
O TC NORM/HIGH, H: HIGH (HA12203NT).
O TC BIAS, H: ON (HA12203NT).
O TC REC MUTE, L: ON (HA12203NT).
I PROTECTION - IN.
— Not used. (Ground).
O S. WOOFER RELAY, H: ON.
I POWER switch (push switch).
O PHASE OUT, L: inverted.
— Not used. (Ground).
O
O
O
O
O Fluorescent display tube.
O
O
O
O
— –26V
O
O
O
O
O
O
O
O
O
O Fluorescent display tube.
O
O
O
O
O
O
O
O
O
O
O
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Description