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AG-520VDH
SYSTEM CONTROL BLOCK DIAGRAM
+
-
M
LOADING
MOTOR
UNSW+5V
IC6005
UNSW+5V
5
UNSW+5V
SW+5V
IC6002
IC6003
TAKEUP REEL
SUPPLY REEL
SENSOR
SENSOR
SW6001 SAFETY TAB SW
(TO T4101(2))
6
DELAY REC+12V
Q6001
(TO IC4201(29))
Hi-Fi DELAY REC(H)
MAIN C.B.A.
IC6001 (SYSTEM CONTROL MICROCONTROLLER)
IC6201
(LOADING MOTOR DRIVE)
LOADING MOTOR
P6203
2
6
82
LOADING
REVERSE(H)
1
MOTOR
LOADING MOTOR
P6203
DRIVE
83
4
5
FORWARD(H)
2
D6002
Q6005
37
VDD
Q6003
RESET
POWER DOWN(L)
1
78
Q6006
D6009
RESET
RESET
34
80
TAKEUP REEL PULSE
SUPPLY REEL PULSE
79
TP6001
8
TAKEUP PHOTO TR
SUPPLY PHOTO TR
7
SW+5V
D6001
Q6010
Q6009
SENSOR
LED
TAKEUP
SUPPLY
PHOTO TR
PHOTO TR
X6001
(12MHz)
OSC 2
38
OSC
39
OSC 1
UNSW+5V
SAFETY TAB BROKEN(H)
35
Q6002
SW+12V
20
VIDEO DELAY REC(H)
SW6002 (MODE SELECT SWITCH)
MODE SW
33
1
PIN NO. OF IC6001
A
POSITION A
(33)
MODE
MODE SW
32
2
EJECT
L
POSITION B
DOWN
L
MODE SW
31
3
R-REV
H
POSITION C
LOAD
L
MODE SW
30
4
REV
H
POSITION D
PLAY
L
5
POWER OFF
H
STOP R
L
STOP F
H
RR/REW
L
FF2
L
INTERMEDIATE
H
POSITIONS BETWEEN
EACH POSITIONS
MODE SW
25
POSITION A
MODE SW
22
POSITION B
MODE SW
23
POSITION C
MODE SW
14
POSITION D
UHF/VHF TUNER/TV DEMODULATOR UNIT
11
SERIAL DATA 0
SERIAL CLOCK
10
IC6004
(MEMORY)
2
2
I
C SERIAL DATA
72
5
I
C SERIAL DATA
I
2
C SERIAL CLOCK
I
2
C SERIAL CLOCK
71
6
(TO/FROM IC5301(44))
(TO/FROM IC3001(74))
I
2
C SERIAL DATA
(TO IC5301(43))
(TO IC3001(73))
I
2
C SERIAL CLOCK
(TO/FROM IC4201(43))
2
I
C SERIAL DATA
(TO IC4201(42))
I
2
C SERIAL CLOCK
(TO IC4601(15))
I
2
C SERIAL DATA
(TO IC4601(14))
2
I
C SERIAL CLOCK
KEY DATA 2
3
KEY DATA 1
2
KEY DATA 0
1
DVD READY(L)
36
HOST READY(L)
27
DVD RESET(L)
68
DVD SERIAL DATA 0
65
DVD SERIAL DATA 1
66
DVD SERIAL CLOCK
67
70
B
C
D
(32)
(31)
(30)
H
H
H
H
L
L
H
L
L
L
H
L
L
H
L
H
H
L
H
H
L
L
L
H
L
L
H
L
H
H
H
H
H
H
H
H
UNSW+5V
OPERATION C.B.A.
D6301
REC
D6306
PROG.
D6304
ON-TIMER
TIMER
P6301
P6302
5
5
P6301
P6302
7
7
UNSW+5V
KEY MATRIX (SW6301~SW6311,SW6313~SW6316)
0V 0.3V 0.4V 1.1V 1.2V 1.95V 2.05V 2.85V 2.95V 3.7V 3.8V 4.5V 4.6V <
VOLUME
OPEN
CH DOWN
FF/CUE
REC
SKIP-
DOWN
/CLOSE
VOLUME
REW
-----
CH UP
PLAY
SKIP+
UP
/REVIEW
STOP
-----
-----
POWER
DVD STOP DVD PLAY
/EJECT
P4801
DVD READY(L)
12
P4801
HOST READY(L)
16
P4801
DVD RESET(L)
10
P4801
DVD SERIAL DATA 0
13
P4801
DVD SERIAL DATA 1
14
P4801
DVD SERIAL CLOCK
15
SYSTEM CONTROL BLOCK DIAGRAM
UNSW+5V
U6301
IR
RECEIVER
TERMINAL
VOLTAGE
-----
OPERATION
-----
BUTTON
-----
TO/FROM DVD I
BLOCK DIAGRAM
AG-520VDH
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