![background image](http://html.mh-extra.com/html/sony/hcd-rxd2/hcd-rxd2_service-manual_420872030.webp)
— 42 —
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80 to 85
86
87,88
89
90 to 100
I/O
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
—
O
—
O
Description
Tray close switch signal input.
Volume up signal input.
Volume down signal input.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Tuner Mute output.
System Mute output.
POWER switch output.
FLD segment output.
FLD segment output. Mode switch 1.
FLD segment output. Mode switch 2.
FLD segment output. Mode switch 3.
FLD segment output. Mode switch 4.
FLD segment output. Mode switch 5.
FLD segment output. Mode switch 6.
FLD segment output. Mode switch 7.
FLD segment output. Mode switch 8.
FLD segment output. Mode switch 9.
FLD segment output. Mode switch 10.
FLD segment output. Mode switch 11.
FLD segment output. Mode switch 12.
FLD segment output. Mode switch 13.
FLD segment output. Mode switch 14.
FLD segment output.
Not used.
FLD grid output.
VDD.
FLD grid output.
Pin Name
TRAY C. SW
VR UP
VR DN
CD ENCODER IN A
CD ENCODER IN B
SURROUND OUT
DBFB NOR&HI OUT
DBFB HI OUT
DOLBY NR OUT
2CH OUT
MD MUTE
TUNER MUTE OUT
SYSTEM MUTE OUT
POWER SW OUT
P1
P2(MODE SW 1)
P3(MODE SW 2)
P4(MODE SW 3)
P5(MODE SW 4)
P6(MODE SW 5)
P7(MODE SW 6)
P8(MODE SW 7)
P9(MODE SW 8)
P10(MODE SW 9)
P11(MODE SW 10)
P12(MODE SW 11)
P13(MODE SW 12)
P14(MODE SW 13)
P15(MODE SW 14)
P16 to 21
NC
15G,14G
VDD
13G to 3G