DHC-EX77MD, DHC-MD77, MDS-EX77, MDS-EX770 - Sony Audio Service Manual (repair manual). Page 48

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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
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