Sony CDP-EX770, Service Manual, Page: 129 / 143

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Pin No. Pin Name I / O Function
42 VDD2 — Power supply terminal (+5V) (for L-ch side D/A converter section, digital system)
43 VDD1 — Power supply terminal (+5V) (for A/D converter section, digital system)
44 VDD1 — Power supply terminal (+5V) (for A/D converter section, digital system)
45 VSS1 — Ground terminal (for A/D converter section, digital system)
46 TEST2 I Input terminal for the test (fixed at “L”)
47 TEST3 I Input terminal for the test (fixed at “L”)
48 VSS1 — Ground terminal (for A/D converter section, digital system)
49 NU — Not used (open)
50 NU — Not used (open)
51 AVSS — Ground terminal (for A/D converter section, analog system)
52 LVDD — Power supply terminal (+5V) (for A/D converter section, buffer system)
53 LVSS — Ground terminal (for A/D converter section, buffer system)
54 REFO O Reference voltage (+3.3V) output terminal (for A/D converter section)
55 INLM I L-ch analog signal (–) input terminal
56 INLP I L-ch analog signal (+) input terminal