Daewoo DVQ-13H1FC Service Manual page 13

IC DESCRIPTION
Pin Terminal
60 P0(4) OSD BLANK OUT
61 P0(3)
62 P0(2) OSD B OUT
63 P0(1) OSD G OUT
64 P0(0) OSD R OUT
65 P10(7) S DATA
66 P10(6)
67 P10(5) S CLOCK
68 P10(4) CAP PG mon
69 P10(3) DRUM PG mon
70 P10(2) DRUM FG mon
71 P10(1) M CLOCK
72 P10(0) M DATA
73 P9(7) LD F/R
74 P9(6) LD ON
75 P9(5) PWM2
76 P9(4) CAPSTAN PWM
77 P9(3) DRUM PWM
78 P9(2) POWER FAIL
79 P9(1) RLS IN
80 P9(0) RLT IN
81 P8(7) CAM D
82 P8(6) CAM C
83 P8(5) CAM B
84 P8(4) CAM A
85 P8(3)
86 P8(2) REC SAFETY SW L
87 CAP PG IN
88 Vss AMPVss
Name
Fast blanking control signal.
Switch TV image signal and
Caption/OSD image signal.
Not used
Blue output terminal of OSD image.
Green output terminal of OSD image.
Red output terminal of OSD image.
IIC data I/O.
Control VCR Y/C, TUNER, EEPROM
Not used
IIC clock output
Not used
Not used
Not used
IIC clock output
IIC data I/O. Control CHROMA IC
Loading Motor Forward(L)/Reverse(H)
When operate Loading Motor, set "H"
Not used
Control rotate speed of Capstan Motor.
Period of PWM : 23.4KHz
Control rotate speed of Drum Motor. Period of PWM :
23.4KHz
Input "L", MICOM is Hold mode.
Backup time approx. 30minute.
Supply reel/Take up reel pulse input terminal.
Use to check the Tape remain or
high speed rewind and fast forward.
CAM detection input terminal.
MODE
EJECT
STAND BY
STOP
PLAY
FF/REW
Not used
Recordable tape insert, "L" input.
If "H" input when insert cassette tape,
then automatic play.
Capstan Pulse Generator signal input.
Feed back Capstan rotation speed.
GND
Explanation
A B
L H
L H
REV H H
H H
H H
H L
12
Remarks
C D
H H
L H
L H
H L
H L
H L