![background image](http://html.mh-extra.com/html/sony/hcd-rxd3/hcd-rxd3_service-manual_420873030.webp)
HCD-RXD3
6-13.
IC PIN FUNCTION
IC601 CXP82040-108Q(SYSTEM CONTR OL) FRONT BOARD
Pin No.
1,2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29 to 31
32
33 to 36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
—
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
O
I
I
I
I
I
I
—
—
—
I
I
—
—
I
I
I
I
I
Description
FLD grid output.
Not used.
CXD2589Q SCOR input.
CXD2589Q COUNT input.
Power data input.
FOK input.
Remote signal input.
Data input.(DECK secton)
S/L output.(DECK secton)
STB output.(CD,DECK section)
CXA1992BR LOCK output.
CXD2589Q CLOCK output.
Mode switch input.
Not used.
Not used.
Function control output.
Not used.
LATCH output.
CXD2589Q XLAT output.
LC72131 CE output.
CXD2589Q SQCK output.
CXD2589Q SQSO output.
CXD2589Q DATA output.
S.CLOCK output.
S.DATA input.
S.DATA output.
FM Stereo input.
Key input 0 to 2.
Not used.
Not used.
AMS input.
RESET input.
X’TAL 10MHz
X’TAL 10MHz
Ground.
CXD2589Q SENS1 input.
CXD2589Q SENS2 input.
VDD.
VFDP.
Pick-up up switch signal input.
Pick-up down switch signal input.
Disc count switch signal input.
Turn Table switch signal input.
Tray open switch signal input.
Pin Name
2G,1G
NC
SCOR
COUNT
POWER DOWN IN
FOK
REMOTE IN
DATA IN
S/L
DECK,CD STB
LOCK
CLOCK
MODE SW IN
NC
CE
CTRL
LATCH B
LATCH A
XLAT
CE
SQCK
SQSO
DATA
S.CLOCK
S,DATA IN
S.DATA OUT
FM STEREO IN
KEY IN O to 2
VACS IN
SPEANA IN 1 to 4
ANS IN
RESET
EXTAL
XTAL
VSS
SENS1
SENS2
VDD
VFDP
PICK UP SW
PICK DOWN SW
DISC COUNT SW
TURN TABLE SW
TRAY O. SW
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
— 43 —
— 44 —