SECTION 4
DIAGRAMS
4-1. IC PIN DESCRIPTION
Y IC801 ?PD17705GC-534-3B9 (SYSTEM CONTROL)
Pin No.Pin NameI/OPin Description
1SIRCSISIRCS input (A/D)
2IN-SWICD mechanism position detection
3D-SWICD mechanism position detection
4SELF-SWICD mechanism position detection
5L-SWILIMIT switch
6LM-EJOLoading motor control (Eject direction)
7LM-LODOLoading motor control (Loading direction)
8AMP/ANT-ONOPower control for amplifier.
9MONOOForce MONO output
10SDISD signal input
11BAND-SWIInitialize switch input terminal
12AREA1-SWIInitialize switch input terminal
13AREA2-SWIInitialize switch input terminal
14, 15RE1, 2IRotary encoder input 1, 2
16SEEKOSEEK output
17CD-ONI/OServo drive power
18FM-ONI/OFM select output
19TU-ONI/OAM select output
20NCNNot used.
21GND3NGround
22KEYIN3INot used (Connect to ground)
23, 24KEYIN2, 1IA/D key input 2, 1
25ROT-INIRotary commander input
26S-METERIFM and AM common signal meter A/D conversion input
27TEST-SWITEST mode select input
28AM-IFCIAM center frequency input
29FM-IFCIFM center frequency input
30VDD2NPower supply (+5 V)
31VCOH-FMILocal oscillation frequency input (FM)
32VCOL-AMILocal oscillation frequency input (AM)
33GND2NGround
34NCNNot used.
35EO1-PDOUTOError out output
36TESTONConnect to ground
37AM-ON(TU-ON)OAM power output (AM select)
38FM-ON(FM/AM)OFM power output (FM select)
39LCL/DXOLOCAL/DX select (OH� : LOCAL, OL� : DX)
40BEEPOBEEP output
41ACC-INIAccessory input
42SCORISUBQ data read request
43MUTEOSystem mute output
44AMP-MUTEOPower amplifier mute output
45TEL-MUTEOTelephone mute output
46NCNFixed at OH� in this set.
47VOL-CEOElectric volume chip select
48VOL-CLKOElectric volume serial clock
49VOL-DATAOElectric volume serial data
50EMPHOODe-emphasis control output
51PW-ONOSystem power control
52MD-ONOLoading motor power
53CD-ONOServo drive power
� 19 � |
ACEC
