AIWA HSRX797
Manual de Servicio

IC DESCRIPTION
IC, TC9327F-017 Pin No. 1-4
5-21

Pin Name
COM1-COM4 SEG1 - SEG17

1/0
o o
LCD

Description commomoutput1-4.

LCD segment utput1-17. o Input pin for switchingJ,
J A-SET1 U, E, H areas.

area

U area
L H

E

area

H

area

L L

H L

H H

22,23

A-SET1,2

I A-SET2

24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

IF 10.7 REC ENA DOLBY ENA

I I I I I I

�H�: IF 10.75

IvII-Iz.�L�:

10.7

IvfkIz

Input pin for REC enable. �H�: REC enable. �L�: REC disable. Input pin for DOLBY enable. �H�: DOLBY enable. �L�: DOLBY disable,

F. REC P R. REC P MS IN TIMMIG SW

�H�: FWD REC shift disable. �L�: enable. �H�: REV REC shift disable. �L�:
enable.

Pin to input music sensor signal. �H�: music exist. �L�: blank. Pin to input for mechanism operation detection. Pin to input for motor activation detection.

I I I I I I I I o o o o 1 I o o I o I o o o o o o
o

MOT CH L.V. STOP HOLD UP DOWN ENTER C-sw MOT ON MOT HI MOT DIR BRAKE REMOTE MAIN ~FM OUT AM OUT JACK IN SDATA (REM)

Stop mechanism operation and hold key input when low voltage is detected. lIHII: HOLD OFF. �L�: HOLD ON. UP KEY input pin. �H�: KEY ON. �L�: KEY OFF. DOWN KEY input pin. �H�: KEY ON. �L�: KEY OFF.

ENTER KEY input pin, �H�: KEY ON. �L�: KEY OFF. Input pin

for detectingthepresence cassette,H�: of �

C-SW OFF. �L�: C-SW ON, OFF. NORMAL SPEED

Pin to output motor control. �H�: MOTOR Pin to control motor. �H�: MOTOR

ON. �L�: MOTOR

HI SPEED. �L�: MOTOR � H�: C]ockwise.

Pin to output for motor rotation direction.

�L�: Counter Clockwise. OFF.

Pin to output brake control for motor. �H�: BRAKE REMOTE MAIN CONTROL KEY input pin,

ON. �L�: BRAKE

unit KEY input pin.

Pin to output for FM mode. �H�: FM mode. �L� except FM mode. Pin to output for AM mode. �H�: AM(MW) mode. �L� except AM(MW)
�L� plug exist.

mode.

This is a pin where HP plug input is detected. �H�: no plug. Pin to output data for remote controller Pin to input serial clock. Output buzzer. Pin to output FM MONO/ST switching. display.

SCLK (REM) BUZR FM MODE F. REC ON R.REC ON REC ON F/R CTL
DSL OUT

I,H,,: FWD REC mode. �L�: other mode. llH1l: REV REC mode. �L�: Other mode. IIHV: REC mode. �L�: Other mode. Output pin for tape run direction.
Pin to output DSL ON/OFF

� H�: FWD direction.

�L�: REV direction.

control.

DOLBY

OUT

o o

DOLBY

ON/OFF

control output pin.

70/120

Pin to output normal tape and metal tape switching.

-15�