Sony HS-MB1 Service Manual page 38

HS-MB1
Pin No. Pin Name
54 ZONE1 MIC/AU SW A
55 ZONE1 MIC/AU SW B
56 ZONE1 MIC/AU SW C
57 VCC3
58 VSS
59 ZONE1 MIC/AU SW INH
60 ZONE2 MIC/AU SW A
61 ZONE2 MIC/AU SW B
62 ZONE2 MIC/AU SW C
63 ZONE2 MIC/AU SW INH
64 ZONE3 MIC/AU SW A
65 ZONE3 MIC/AU SW B
66 ZONE3 MIC/AU SW C
67 ZONE3 MIC/AU SW INH
68 ZONE4 MIC/AU SW A
69 ZONE4 MIC/AU SW B
70 ZONE4 MIC/AU SW C
71 ZONE4 MIC/AU SW INH
72 ZONE5 MIC/AU SW A
73 VCC3
74 VSS
75 ZONE5 MIC/AU SW B
76 ZONE5 MIC/AU SW C
77 ZONE5 MIC/AU SW INH
78 ZONE6 MIC/AU SW A
79 ZONE6 MIC/AU SW B
80 ZONE6 MIC/AU SW C
81 ZONE6 MIC/AU SW INH
82 ZONE7 MIC/AU SW A
83 ZONE7 MIC/AU SW B
84 ZONE7 MIC/AU SW C
85 ZONE7 MIC/AU SW INH
86 ZONE8 MIC/AU SW A
87 ZONE8 MIC/AU SW B
88 VSS
89 VCC3
90 ZONE8 MIC/AU SW C
91 ZONE8 MIC/AU SW INH
92 NO USE
93 EXT CHIME1
94 EXT CHIME2
95 DOOR1 MODE SW
96 DOOR2 MODE SW
97 NO USE
98 DOOR1 GAIN SW
99 DOOR2 GAIN SW
100 AD KEY1
101 AD KEY2
102 DOORBELL1 DET
103 DOORBELL2 DET
104 MIC-A SELECT SW A
105 MIC-A SELECT SW B
106 MIC-A SELECT SW INH
107 MIC-B SELECT SW A
108 MIC-B SELECT SW B
109 MIC-B SELECT SW INH
38
I/O
O ZONE 1 (9) mic/audio switch (TC4053) A signal output
O ZONE 1 (9) mic/audio switch (TC4053) B signal output
O ZONE 1 (9) mic/audio switch (TC4053) C signal output
— Power supply pin (+3.3 V)
— Ground
O ZONE 1 (9) mic/audio switch (TC4053) INH signal output
O ZONE 2 (10) mic/audio switch (TC4053) A signal output
O ZONE 2 (10) mic/audio switch (TC4053) B signal output
O ZONE 2 (10) mic/audio switch (TC4053) C signal output
O ZONE 2 (10) mic/audio switch (TC4053) INH signal output
O ZONE 3 (11) mic/audio switch (TC4053) A signal output
O ZONE 3 (11) mic/audio switch (TC4053) B signal output
O ZONE 3 (11) mic/audio switch (TC4053) C signal output
O ZONE 3 (11) mic/audio switch (TC4053) INH signal output
O ZONE 4 (12) mic/audio switch (TC4053) A signal output
O ZONE 4 (12) mic/audio switch (TC4053) B signal output
O ZONE 4 (12) mic/audio switch (TC4053) C signal output
O ZONE 4 (12) mic/audio switch (TC4053) INH signal output
O ZONE 5 (13) mic/audio switch (TC4053) A signal output
— Power supply pin (+3.3 V)
— Ground
O ZONE 5 (13) mic/audio switch (TC4053) B signal output
O ZONE 5 (13) mic/audio switch (TC4053) C signal output
O ZONE 5 (13) mic/audio switch (TC4053) INH signal output
O ZONE 6 (14) mic/audio switch (TC4053) A signal output
O ZONE 6 (14) mic/audio switch (TC4053) B signal output
O ZONE 6 (14) mic/audio switch (TC4053) C signal output
O ZONE 6 (14) mic/audio switch (TC4053) INH signal output
O ZONE 7 (15) mic/audio switch (TC4053) A signal output
O ZONE 7 (15) mic/audio switch (TC4053) B signal output
O ZONE 7 (15) mic/audio switch (TC4053) C signal output
O ZONE 7 (15) mic/audio switch (TC4053) INH signal output
O ZONE 8 (16) mic/audio switch (TC4053) A signal output
O ZONE 8 (16) mic/audio switch (TC4053) B signal output
— Ground
— Power supply pin (+3.3 V)
O ZONE 8 (16) mic/audio switch (TC4053) C signal output
O ZONE 8 (16) mic/audio switch (TC4053) INH signal output
O Not used. (Open)
O Exteral chime 1 drive signal output
O Exteral chime 2 drive signal output
I Doorbell 1 MODE switch input (OFF detect) signal input
I Doorbell 2 MODE switch input (OFF detect) signal input
O Not used. (Open)
I Doorbell 1 GAIN switch detect signal input
I Doorbell 2 GAIN switch detect signal input
I A/D key 1 signal input
I A/D key 2 signal input
I Doorbell 1 pushed detect signal input
I Doorbell 2 pushed detect signal input
O MIC-A selector switch (TC4052) A signal output
O MIC-A selector switch (TC4052) B signal output
O MIC-A selector switch (TC4052) INH signal output
O MIC-B selector switch (TC4052) A signal output
O MIC-B selector switch (TC4052) B signal output
O MIC-B selector switch (TC4052) INH signal output
Description