Sony HCD-M500AV Service Manual page 54

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Pin No. Pin Name
51 STEREO
52 TUNED
53 NC
54 NC (VSS)
55 NC (VSS)
56 NC (VSS)
57 NC (VSS)
58 NC
59 NC
60 AC CUT
61 F RELAY
62 DBFB ON/OFF
63 DBFB H/N
64 MO FUNC
65 PL CLK
66 PL CE
67 PL DOUT
68 PL RELAY
69 DVD SEL
70 MUTE CENTER
71 MUTE REAR
72 VDD
73 NC (VDD)
TE
74 L 13942296513 LINE MUTE
75 STK MUTE
76 ST MUTE
77 TC MUTE
78 IIC CLK
79 TDA CLK
80 IIC DATA
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I/O
I Stereo detection for tuner
I Tuned detection for tuner
— Not used
— Not used (Connect to ground)
— Not used (Connect to ground)
— Not used (Connect to ground)
— Not used (Connect to ground)
— Not used
— Not used
I AC power down
Main speaker relay control signal output
O
O DBFB ON/OFF select signal output
O DBFB H/N select signal output
O MD mute signal output
O CLK signal output for IC201 (M62464)
O Chip enable output for IC201 (M62464)
O Data signal output for IC201 (M62464)
O Surround speaker relay control signal output
DVD select output
O
O Center speaker mute signal output
O Rear speaker mute signal output
— Power supply
— Not used (Power supply)
O Line mute signal output
O STK ON/OFF selection output
O Tuner mute signal output
O TC mute signal output
I/O Serial data clock input/output
O Clock signal output for IC101
I/O Serial data input/output
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