Ic Pin Function Description - Sony CMT-CP11 Service Manual

6-15. IC PIN FUNCTION DESCRIPTION

• MAIN BOARD IC801 CXP83124A-040Q
Pin No. Pin Name
1 TAPE-END
2
RDS-CLK
3 REMOCON
4 MOT-CON
5 SOL-CON
6 T-MODE
7 REG-CON
8
CD-CLK
9 TUNED
CD-DATA/
10
TU-DATA/
SDA
11 CD-SQCK
CD-SQSO/
12
RDS-DATA
13
TRAY-OPEN
14
CD-MUTE
15
TRAY-CLOSE
16
CD-SENSE1
17
CD-XRST
CD-SENSE2/
18
TU-COUNT
CD-LATCH/
19
TU-CE
20 JOG-B
21 JOG-A
22 AMP-MUTE
23
AMP-STBY
24
VIDEO-ON
25 TU-ON
26 D.S.G.
27 CD-SYNC
28 SCK
29
TU-CLK
*1 Disc tray open/close motor control
Mode
Stop
Terminal
"L"
TRAY-OPEN (pin )
qd
"L"
TRAY-CLOSE (pin )
qg
28
(SYSTEM CONTROLLER, LCD DRIVER)
I/O
I
Tape end detect sensor input terminal "H" input when the tape end detected
Serial data reading clock signal input from the RDS decoder (IC804)
I
(Used for the AEP and UK models only)
I
Sircs remote control signal input from the remote control receiver (IC802)
O
Capstan/reel motor on/off control signal output terminal "H": motor on
O Trigger plunger on/off control signal output terminal "H": plunger on
I
Head position detect switch input terminal "L": forward direction, "H": reverse direction
O
Main system power supply on/off control signal output terminal "H": power on
O
Serial data transfer clock signal output to DSP/SSP on the CD block (at CD function)
I Tuning detection signal input from the tuner pack "L": tuned
Serial data output to DSP/SSP on the CD block (at CD function)
O PLL serial data output to PLL IC on the tuner pack (at tuner function)
2
I C data output to the TDA7439 (IC301) (all functions)
O Subcode 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)
I RDS serial data input from the RDS decoder (IC804) (at tuner function)
(RDS decoder: used for the AEP and UK models only)
O
Motor drive signal output to the disc tray open/close motor driver (IC309) "H" active *1
O
Muting on/off control signal output to the CD block "H": muting on
O
Motor drive signal output to the disc tray open/close motor driver (IC309) "H" active *1
Internal status detection monitor input from CD block
I
(for FZC, DFCT1, TZC, etc.) (at CD function)
O
Reset signal output to the CD block "L": reset
Internal status detection monitor input from the CD block
I
(for MIRR, DFCT2, etc.) (at CD function)
PLL count data input from PLL IC on the tuner pack (at tuner function)
Serial data latch pulse output to DSP on the CD block (at CD function)
O
PLL serial chip enable signal output to PLL IC on the tuner pack (at tuner function)
I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (B phase input)
I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (A phase input)
Muting on/off control signal output to the power amplifier (IC101, 201)
O
"H": muting on
Standby on/off control signal output to the power amplifier (IC101, 201)
O
"L": standby mode
VIDEO/MD function control signal output terminal
O
"H": VIDEO/MD ("L" output when other functions)
Power supply on/off control signal output of the tuner pack (+10V)
O
LED drive signal output of the TUNER indicator (D855) "H": tuner power on (LED on)
LED drive signal output of the DSG (Dynamic Sound Generator) indicator (D856)
O
"H": LED on
O
LED drive signal output of the CD SYNC indicator (D857) "H": LED on
O Serial data transfer clock signal output to the TDA7439 (IC301)
O
PLL serial data transfer clock signal output to PLL IC on the tuner pack (at tuner function)
Table In Table Out Brake
"L" "H" "H"
"H" "L" "H"
Description