6-15. IC PIN FUNCTION DESCRIPTION
? MAIN BOARD IC801 CXP83124A-130Q (SYSTEM CONTROLLER, LCD DRIVER)
Pin No.Pin NameI/ODescription
1TAPE-ENDITape end detect sensor input terminal OH� input when the tape end detected
Serial data reading clock signal input from the RDS decoder (IC804)
2RDS-CLKI
(Used for the AEP and UK models only)
3REMOCONISircs remote control signal input from the remote control receiver (IC802)
4MOT-CONOCapstan/reel motor on/off control signal output terminal OH�: motor on
5SOL-CONOTrigger plunger on/off control signal output terminal OH�: plunger on
6T-MODEIHead position detect switch input terminal OL�: forward direction, OH�: reverse direction
7REG-CONOMain system power supply on/off control signal output terminal OH�: power on
8CD-CLKOSerial data transfer clock signal output to DSP/SSP on the CD block (at CD function)
9TUNEDITuning detection signal input from the tuner pack OL�: tuned
CD-DATA/Serial data output to DSP/SSP on the CD block (at CD function)
10TU-DATA/OPLL serial data output to PLL IC on the tuner pack (at tuner function)
2
SDAIC data output to the TDA7439 (IC301) (all functions)
11CD-SQCKOSubcode Q data reading clock signal output to DSP on the CD block (at CD function)
Subcode Q data input from DSP on the CD block (at CD function)
CD-SQSO/
12IRDS serial data input from the RDS decoder (IC804) (at tuner function)
RDS-DATA
(RDS decoder: used for the AEP and UK models only)
13TRAY-OPENOMotor drive signal output to the disc tray open/close motor driver (IC309) OH� active *1
14CD-MUTEOMuting on/off control signal output to the CD block OH�: muting on
15TRAY-CLOSEOMotor drive signal output to the disc tray open/close motor driver (IC309) OH� active *1
Internal status detection monitor input from CD block
16CD-SENSE1I
(for FZC, DFCT1, TZC, etc.) (at CD function)
17CD-XRSTOReset signal output to the CD block OL�: reset
Internal status detection monitor input from the CD block
CD-SENSE2/
18I(for MIRR, DFCT2, etc.) (at CD function)
TU-COUNT
PLL count data input from PLL IC on the tuner pack (at tuner function)
CD-LATCH/Serial data latch pulse output to DSP on the CD block (at CD function)
19O
TU-CEPLL serial chip enable signal output to PLL IC on the tuner pack (at tuner function)
20JOG-BI Jog dial pulse input from the rotary encoder (RV801 VOLUME) (B phase input)
21JOG-AIJog dial pulse input from the rotary encoder (RV801 VOLUME) (A phase input)
Muting on/off control signal output to the power amplifier (IC101, 201)
22AMP-MUTEO
OH�: muting on
Standby on/off control signal output to the power amplifier (IC101, 201)
23AMP-STBYO
OL�: standby mode
VIDEO/MD function control signal output terminal
24VIDEO-ONO
OH�: VIDEO/MD (OL� output when other functions)
Power supply on/off control signal output of the tuner pack (+10V)
25TU-ONO
LED drive signal output of the TUNER indicator (D855) OH�: tuner power on (LED on)
LED drive signal output of the DSG (Dynamic Sound Generator) indicator (D856)
26D.S.G.O
OH�: LED on
27CD-SYNCOLED drive signal output of the CD SYNC indicator (D857) OH�: LED on
28SCKOSerial data transfer clock signal output to the TDA7439 (IC301)
29TU-CLKOPLL serial data transfer clock signal output to PLL IC on the tuner pack (at tuner function)
*1 Disc tray open/close motor control
Mode
StopTable InTable OutBrake
Terminal
TRAY-OPEN (pin !L)OL�OL�OH�OH�
TRAY-CLOSE (pin !°)OL�OH�OL�OH�
� 43 � |
ACEC
SONY
