Sony TA-E9000ES - Stereo Preamplifier, Service Manual

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Pin No. Pin Name I/O Function
51 DB0 I/O External RAM data terminal Data bus 0
52 VDD — Power supply (+5 V)
53 GND — Ground (0 V)
54 TI1 I For IC test Normally connected to VDD
55 VIN I VCXO input
56 VOUT O VCXO output
57 T12 I IC test pin Normally connected to ground (or no connection)
58 T13 I IC test pin Normally connected to ground (or no connection)
59 TLDB I IC test pin Normally connected to ground (or no connection)
60 TCK I IC test pin Normally connected to ground (or no connection)
61, 62 NC — Not used
63 PDO O Phase comparator output (3-state)
64 T14 I IC test pin Normally connected to ground (or no connection)
65 PDDIS I IC test pin Normally connected to ground (or no connection)
66 MUTO O Muting output “H”: mute
67 T15 I IC test pin Normally connected to ground (or no connection)
68, 69 NC — Not used
70 DAOUT O DIGITAL OUT output (serial data stream output)
71 NC — Not used
72 DASEL I DIGITAL OUT selection
73 T18 I IC test pin Normally connected to ground (or no connection)
74 to 77 NC — Not used
78 MUTI I Muting input “H”: mute
79 VDD — Power supply (+5 V)
80 GND — Ground (0 V)
81 AVDD — Power supply for analog comparator (+5 V)
82 CPIN I Analog comparator input Positive side (non-inverted side : OPSK input)
83 CMIN I Analog comparator input Negative side (inverted side)
84 AGND — Ground for Analog comparator (0 V)
85 TM4 I IC test pin Normally connected to ground (or no connection)
86 VDD — Power supply (+5 V)
87 DIN I IC test pin Normally connected to ground (or no connection)
88 DOUT O Analog comparator output
89 DOUTB O Analog comparator outputNot usedInverted output
90 NC — Not used
91 GND — Ground ( 0 V)
92 to 96 NC — Not used
97 TM5 I IC test pin Normally connected to ground (or no connection)
98 BUNRI I IC test pin Normally connected to ground (or no connection)
99 AGND — Ground for 46.08 MHz oscillator (0 V)
100 AVDD — Power supply for 46.08 MHz oscillator (+5 V)
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