13
CDX-CA650X/CA660X/CA690X
3-1. IC PIN DESCRIPTION
• IC801 MN101C49KTG1 (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 VREF– — Ground for A/D converter power supply
2 VSM I S-meter voltage detection signal input from tuner unit (TU601)
3 NIL I Connect to ground.
4 KEYIN1 I Key signal input
5 KEYIN0 I Key signal input
6 RC IN0 I Rotary commander key signal input from remote in jack (CNP801)
7, 8 NIL I Not used. (Connect to ground.)
9 DSTSEL I
Destination set up detection signal input (“L”: CDX-CA650X/CA660X,
“H”: CDX-CA690X)
10 VREF+ — A/D converter power supply
11 VDD — Power supply (+5 V) input pin
12 OSCOUT O High speed clock signal output (18.432 MHz)
13 OSCIN I High speed clock signal input (18.432 MHz)
14 VSS — Ground for power supply
15 XIN I Low speed clock signal input (32.768 kHz)
16 XOUT O Low speed clock signal output (32.768 kHz)
17 MMOD I
Memory mode select signal input (Input to “Low” (single chip mode).)
(Connect to ground.)
18 LCDSO O LCD serial data signal output to LCD driver (IC501)
19 LCDCE O LCD chip enable signal output to LCD driver (IC501)
20 LCDCKO O LDC serial clock signal output to LCD driver (IC501)
21 CD SO/TSO O CD servo IC serial data signal output
22 CD SI/TSI I CD servo IC serial data signal input
23 CD CKO/TCKO O CD servo IC serial clock signal output
24 SYSRST O System reset signal output to bus interface (IC803)
25 BUS ON O Bus on signal output to bus interface (IC803)
26 KEYACK I Key acknowledge detection signal input
27 NIL I Not used. (Connect to ground.)
28 BU IN I Back up current detection signal input
29 SIRCS I Remote signal input from remote control receiver (IC502)
30 CD SELFSW I CD mechanism self load position detection switch signal input from self switch (SW2)
31 CD PACK I CD text pack sync signal input from CD servo (IC1)
32 NIH I Connect to power supply.
33 RESET I microcomputer reset signal input from reset IC (IC802) “L”: reset
34 NOSE SW I Front panel attachment detection signal input from nose detect switch (S902) “L”: ON
35 BEEP O Beep signal output to power amp (IC404)
36 NCO O Not used. (Open)
37 TESTIN I Test mode detection signal input
38 ACCIN I Accessory power supply detection signal input
39 NCO O Not used. (Open)
40 TELATT I Telephone ATT detection signal input
41 NIH I Connect to power supply.
42 BUSSO O Sony-Bus serial data signal output to bus interface (IC803)
43 BUSSI I Sony-Bus serial data signal input from bus interface (IC803)
44 BUSCKO O Sony-Bus serial clock signal output to bus interface (IC803)
45 I2CSIO I/O I2C bus serial data signal input/output
46 NCO O Not used. (Open)
47 I2CCKO O I2C bus serial clock signal output
48 NCO O Not used. (Open)
49 TUNON O Tuner power supply control signal output to power supply (IC901)
50 PW ON O System power supply control signal output to power supply (IC901)
SECTION 3
DIAGRAMS
To Next Page
Loading...
