Daewoo DV-K580NZ-T service manual COM Port Description

Page 42

u-COM PORT DESCRIPTION

NO

PORT

SET

PORT NAME

DESCRIPTION

1

I/O

OUT

S OUTPUT

Series record output

 

 

 

 

 

2

I/O

IN

S INPUT

Series record input

 

 

 

 

 

3

I/O

OUT

C PWM

Capstan control

 

 

 

 

 

4

I/O

OUT

D PWM

Drum control

 

 

 

 

 

5

I/O

IN

S REEL

Supply reel

 

 

 

 

 

6

I/O

IN

T REEL

Take up reel

 

 

 

 

 

7

I/O

OUT

SP (H)

SP HIGH

 

 

 

 

 

8

I/O

OUT

BUZ SIG

Buzzer sound signal

 

 

 

 

 

9

I/O

OUT

AUDIO 24H (H)

Audio 24H Output level control

 

 

 

 

 

10

I/O

OUT

REC MUTE

Record mute

 

 

 

 

 

11

I/O

IN

REMOCON IN

Remocon input

 

 

 

 

 

12

I/O

OUT

C I LIMIT

Capstan current limit

 

 

 

 

 

13

I/O

OUT

C F/R

Capstan F(-) / R(+)

 

 

 

 

 

14

I/O

OUT

SLOW STEP CTL

Schmidt level select for slow playback

 

 

 

 

 

15

I/O

OUT

C ROTARY

Color rotary

 

 

 

 

 

16

I/O

OUT

H.A SW

Head Amp switching

 

 

 

 

 

17

I/O

IN

ENVE COMP

Enve compare

 

 

 

 

 

18

I/O

OUT

PB SW

Video switching

 

 

 

 

 

19

I/O

OUT

Q V SYNC

Q V Sync

 

 

 

 

 

20

I/O

OUT

SW OUT

Field/Frame switching output

 

 

 

 

 

21

I/O

OUT

REC CTL

Record control

 

 

 

 

 

22

I/O

IN

C FG

Capstan FG

 

 

 

 

 

23

I/O

IN

D PG

Drum PG

 

 

 

 

 

24

I/O

IN

D FG

Drum FG

 

 

 

 

 

25

I/O

OUT

PB CTL

PB Control

 

 

 

 

 

26

Vcc

Vcc

Vcc

Vcc

 

 

 

 

 

27

I/O

IN

CAM A

CAM Data A

 

 

 

 

 

28

I/O

IN

CAM B

CAM Data B

 

 

 

 

 

29

I/O

IN

CAM C

CAM Data C

 

 

 

 

 

30

I/O

IN

CAM D

CAM Data D

 

 

 

 

 

31

I/O

OUT

LM FWD

Loading forward

 

 

 

 

 

32

I/O

OUT

LM REV

Loading reverse

 

 

 

 

 

33

I/O

IN

SOFT RESET

Reset except running time

 

 

 

 

 

34

I/O

OUT

REC (H)

Record HIGH

 

 

 

 

 

35

NUB

N.C

 

GND

 

 

 

 

 

36

NUA

N.C

 

GND

 

 

 

 

 

37

RESET

IN

HARD RESET

All Reset

 

 

 

 

 

38

Xin

Xin

Xin

16MHz in

 

 

 

 

 

41

Image 42
Contents Time Lapse VCR Table of Contents SAFETY&PRECAUTIONS Safety Check After ServingSAFETY&PRECAUTIONS External Views Front Views FunctionAC Power Cord Rear Views FunctionElectrical Adjustment Adjustment ProcedureVideo Circuit Adjustment Method EE LevelPlayback Y-SIGNAL Output Level Sync TIP Frequency FM Deviation Record Current REC-Y Audio Circuit Adjustment Method Audio Record BiasSpecifications NtscTimelapse REC/PB Speed Chart Tape Mode Tape Speed RemarkREC Mode Circuit OperationVideo Part X302 IH DLY Audio Part Block Diagram Servo Syscon PartTime Lapse Recording Method R L R L R L R LTerminal Part Alarm InputAlarm Output Panic InputTape END OUT SW OutputSeries Output Series Input Trouble Shooting Flow Chart Power CircuitChecking the Primary Circuit Troubleshooting Flow Chart Checking the Secondary CircuitSERVO-SYSCON Circuit Noise appears on Screen on the whole Auto-stop during Playback Power CIRCUIT? YES Capstan M/T loading stops REC Mode Cassette is not inserted Power compensation Does not operate EE Mode N.G Video CircuitREC Signal N.G PB-Y Signal N.G PB-C Signal N.G Troubleshooting of PB Mode Audio CircuitTroubleshooting of REC Mode Troubleshooting of EE Mode COM Port Description COM Port Description OUT OSD Data Voltage Chart IC Motor Drive BA6209 IC504IC Relay A9W-K RL901 IC Relay A9W-K RL902IC Video LA7391A IC301 IC Video SW LA7152 IC303 IC Video AMP NJM2267 IC002 TransisterVoltage Chart Circuit Diagram Connection DiagramPower Circuit Diagram Syscon Circuit Diagram Video Circuit Diagram Headamp Circuit Diagram OSD Circuit Diagram C Separation Circuit Diagram Audio Circuit Diagram Logic Circuit Diagram Terminal Circuit Diagram Components Location Guide on PCB Bottom View PCB MainPCB Union Disassembly Panel Front ASS’YSET Total ASS’Y Packing ASS’Y Electrical Parts List DEL DV-K580NZ-TElectrical Parts List SPG T SUB Brake Coil OSC DEO-010BIAS Diode Bridge R205 R413 Mylar Clip Fuse Semi Fixed Diode Zener UZ-5.6BSC PCB Logic AS DV-K580NZ-T SW Tact Diode EG01C Mail G7F00E@web.dwe.co.kr TEL FAX