Ic Pin Function Description - Sony HCD-RXD7AV Service Manual

7-18.

IC PIN FUNCTION DESCRIPTION

• FLD BOARD IC601 CXP82040-109Q (SYSTEM CONTROL)
Pin No. Pin Name
1,2 2G,1G
3 NC
4 SCOR
5 COUNT
6 POWER DOWN IN
7 FOK
8 REMOTE IN
9 DATA IN
10 S/L
11 DECK,CD STB
12 LOCK
13 CLOCK
14 MODE SW IN
15 NC
16 CE
17 CTRL
18 LATCH B
19 LATCH A
20 XLAT
21 CE
22 SQCK
23 SQSO
24 DATA
25 S.CLOCK
26 S,DATA IN
27 S.DATA OUT
28 FM STEREO IN
29 to 31 KEY IN O to 2
32 VACS IN
33 to 36 SPEANA IN 1 to 4
37 ANS IN
38 RESET
39 EXTAL
40 XTAL
41 VSS
42 SENS1
43 SENS2
44 VDD
45 VFDP
46 PICK UP SW
47 PICK DOWN SW
48 DISC COUNT SW
49 TURN TABLE SW
50 TRAY O. SW
40
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I/O
O FLD grid output.
— Not used.
I CXD2589Q SCOR input.
I CXD2589Q COUNT input.
I Power data input.
I FOK input.
I Remote signal input.
I Data input.(DECK secton)
O S/L output.(DECK secton)
O STB output.(CD,DECK section)
O CXA1992BR LOCK output.
O CXD2589Q CLOCK output.
O Mode switch input.
O Not used.
O Not used.
O Function control output.
O Not used.
O LATCH output.
O CXD2589Q XLAT output.
O LC72131 CE output.
O CXD2589Q SQCK output.
O CXD2589Q SQSO output.
O CXD2589Q DATA output.
O S.CLOCK output.
I S.DATA input.
O S.DATA output.
I FM Stereo input.
I Key input 0 to 2.
I Not used.
I Not used.
I AMS input.
I RESET input.
— X'TAL 10MHz
— X'TAL 10MHz
— Ground.
I CXD2589Q SENS1 input.
I CXD2589Q SENS2 input.
— VDD.
— VFDP.
I Pick-up up switch signal input.
I Pick-up down switch signal input.
I Disc count switch signal input.
I Turn Table switch signal input.
I Tray open switch signal input.
Description