CMT-CP101, CMT-CP101K, HCD-CP101 - Sony Audio Service Manual (repair manual). Page 34

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Pin No.

Pin Name

I/O

Description

1

SENSOR

I

Tape end detect sensor input terminal    “H”: input when the tape end detected

2

RDS-IN

I

Serial data reading clock signal input from the RDS decoder
Used for the AEP, UK models (Except AEP, UK models: not used)

3

SIRCS

I

Remote control signal input from the remote control receiver

4

MOT-CON

O

Capstan/reel motor on/off control signal output terminal    “H”: motor on

5

CD-DATA/

TU-DATA      

O

Serial data output to the CXD2587Q (at CD function)
PLL serial data output to the tuner pack (at tuner function)

6

T-MODE

I

Head position detect switch input terminal    “L”: forward direction, “H”: reverse direction

7

REG-CON

O

Main system power supply on/off contorl signal output terminal    “H”: power on

8

CD-CLK/TU-

CLK

O

Serial data transfer clock signal output to the CXD2587Q (at CD function)
PLL serial data transfer clock signal output to the tuner pack (at tuner funcion)

9

JOG-C (BASS)

I

Jog dial pulse input from the rotary encoder (BASS) (C phase input)

10

SOL-CON

O

Trigger plunger on/off control signal output terminal    “H”: plunger on

11

CD-CLK

O

Subcode Q data reading clock signal output ti the CXD2587Q (at CD function)

12

SQSO/

RDS-DATA

I

Subcode Q data input from the CXD2587Q (at CD function)
RDS serial data input from the RDS decoder (at tuner function)    Used for the AEP, UK models 
(Except AEP, UK models: not used)

13

HOLD

O

Automatic power control hold signal output to the RF amplifier

14

TRAY-OPEN

O

Motor drive siganl output to the loading motor drive    “H”: active    *1

15

TRAY-CLOSE

O

Motor drive signal output to the loading motor drive    “H”: active    *1

16

JOG-D (BASS)

I

Jog dial pulse input from the rotary encoder (BASS) (D phase input)

17

TUNED

I

Tuning detection signal input from the tuner pack (at tuner function)

18

CD-SENSE/
TU COUNT

I

Internal status (SENSE) input from the CXD2587Q (at CD function)
PLL count data input from the tuner pack (at tuner function)

19

CD-LATCH/

TU CE

O

Serial data latch pulse output to the CXD2587Q (at CD function)
PLL serial chip enable signal output to the tuner pack (at tuner function)

20

JOG-B

I

Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)

21

JOG-A

I

Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)

22

AMP-MUTE

O

Muting on/off control signal output to the power amplifier     “H”: muting on

23

VOL-CE

O

Chip enable signal output for the electrical volume

24

STANDBY LED

I

LED drive signal output of the STANDBY indicator (D856)    “H”: LED on

25

TU-ON

O

Power supply on/off control signal output of the tuner section
LED drive signal output of the BAND indicator    “H”: tuner power on (LED on)

26

D. S. G.

O

LED drive signal output of the DSG (Dynamic Sound  Generator) indicator    “H”: LED on

27

CD-SYNC

O

LED drive signal output of the CD SYNC indicator    “H”: LED on

28

SCK

O

Serial data transfer clock signal output to the electrical volume

29

JOG-E (TREBLE)

I

Jog dial pulse input from the rotary encoder (TREBLE) (E phase input)

30

JOG-F

I

Jog dial pulse input from the rotary encoder (TREBLE) (F phase input)

31

DC DETECT

I

Speaker DC output protect signal input terminal

*1  Loading motor control

Stop

Table In

Table Out

Brake

TRAY-OPEN (pin qf)

“L”

“L”

“H”

“H”

TRAY-CLOSE (pin qg)

“L”

“H”

“L”

“H”

Terminal

Mode