Daewoo TVZ 1321 Service Manual page 72

Tv/vcr in one board, chassis : cn-140 ntsc-m system
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PIN
PIN NAME
54
CAM A
55
CAM B
CAM C
CAM D
56
KEY 1 &
57
KEY 2
58
TRK DLY
59
PG DLY
60
ENVE DET.
61
SYSTEM SEL
62
EVER 5.3V
63
GND(A)
64
EVER 5.3V
PIN
CAM Detection input port
POWER
A
2.9 ~ 3.7
L
3.7 ~ 4.5
L
2.2 ~ 2.9
H
2.9 ~ 3.7
H
0.0 ~ 2.2
H
2.2 ~ 2.9
H
4.5 ~ 5.0
H
VTR function key input
PATH adjustment TRACKING DELAY
PG DLY adjustment * PG DLY adjustment range
5.625 degree – 11.25 degree – 28.125 degree
(0V) – (CENTER) – (5V)
*Maximum POINT SEARCH DC ENVE input
*AUTO TRACKING RESTART CONDITION.
(SP : 2~5V, SPL, LP : 1.5`5V)
• CASSETTE IN
in play mode
• When tape speed is changed, in play mode
• PB/CTL PULSE off
PB/CTL PULSE on
NOT USED
EVER 5.3V
Analogue GND
EVER 5.3V
DESCRIPTION
B
C
D
MODE
H
H
H
EJECT 4.35(H)
H
H
L
STAND-BY(INITIAL) 4.35(L)
H
H
L
REV 5.30(L)
H
L
L
STOP 2.65(L)
H
L
H
PLAY, QUE 2.65(H)
L
H
L
FF/REW 2.10(L)
H
H
H
CAM 5.0(H)
70

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