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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
Summary of Contents for MDS-EX77
Page 7: ... 7 SECTION 2 GENERAL This section is extracted from instruction manual ...
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Page 48: ... 51 52 6 6 PRINTED WIRING BOARDS MAIN DISPLAY Section See page 32 for Circuit Boards Location ...