Daewoo DVQ-10H1FCN, Руководство по обслуживанию, Страница: 32 / 56

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IC DESCRIPTION
2. PIN DESCRIPTION
Pin Terminal Name Explanation Remarks
1 P11(0) KEY 1 IN Power, Ch up/down, Vol up/down
2 P7(7)AGC IN Connect this port to AGC of Tuner.
Default voltage :3.75V
Variable voltage : 3.25V, 3.5V, 3.75V
3 P7(6)OPTION H(5V) : Parental control
M(2.5V) : Child lock
L(0V) : None
4 P7(5)DRUM SELECT H(5V) : NTSC 4 head
L(0V) : NTSC 2 head
5 P7(4) DEW SENSOR DEW SENSOR OPERATION Port
0V : VCR Operation On
0.6V : VCR Operation Off
6 P7(3)VIDEO ENVELOPE IN Connect this port to 93Pin of ICY01.
Maximum point search DC ENVE input.
Auto tracking restart condition
(SP:2-5V, LP/SLP:1.5-5V)
7 P7(2)END SENSOR IN Tape END sensor detect input. H: Tape end.
8 P7(1)START SENSOR IN Tape START sensor detect input. H: Tape start.
9 P7(0)POWER SAFETY IN Not used.
10 P6(7)AFT IN DC voltage that comes from the 10 pin of
LA76845
11 P6(6)CAPSTAN I LIMIT OUT Limit the current of CAPSTAN MOTOR
Set "L" during PAUSE/STILL
12 P6(5) SP/LP/EP Tape speed control. SP(L)/LP(M)/EP(H)
13 P6(4)QV SYNC When special play, Quasi Vertical SYNC insert
V SYNC of C.V.S Special play:
QUE,REV,
STILL,SLOW
14 P6(3)REMOCON INPUT Remote Controller pulse input
15 P6(2)COLOR ROTARY OUT When color MOD/DEMOD, phase shift pulse
16 P6(1)HEAD AMP SW PULSE 4 head option. When special play,
EP head switching pulse
17 P6(0)COMPARATOR ENV 4 head option.
18 P5(7)V HEAD SW PULSE Video head switching pulse(SP head) .
19 P5(6)A HEAD SW PULSE 4 head option. Not used
20 P5(5)REC H When recording, set "H"
21 P5(4)TRICK H When special play, set "H" and when recording copy
guard ON.
22 P5(3)CASSETTE DOWN H When cassette insert, light up IR led.
23 P5(2) CAPSTAN F/R Switching forward(H) and reverse(L) of
CAPSTAN MOTOR
24 P5(1)CRT ON L When CRT off, set "H" during 1sec.
25 P5(0)SOUND MUTE H When stand by TV/VCR, set speaker sound mute.
Appendix