6
PV-DF204/PV-DF2004/PV-DF2004-K/PV-DF274/PV-DF2704/PV-DF2704-K
P6203
1
P6203
2
(LOADING MOTOR DRIVE)
LOADING
MOTOR
M
-
+
Q6003
IC6005
UNSW+5V
D6002
D6009
SW+5V
+5V
TP6001
IC6002
IC6003
TAKEUP REEL
SENSOR
SUPPLY REEL
SENSOR
Q6010
Q6009
TAKEUP
PHOTO TR
SUPPLY
PHOTO TR
SW+5V
D6001
SENSOR
LED
+5V
X6001
(14.3MHz)
OSC
Q6002
SW6001 SAFETY TAB SW
RESET
VDD
POWER DOWN(L)
TAKEUP REEL PULSE
SUPPLY REEL PULSE
TAKEUP PHOTO TR
SUPPLY PHOTO TR
OSC 2
OSC 1
SAFETY TAB BROKEN(H)
VIDEO DELAY REC(H)
SW+12V
(TO IC3501(25))
DELAY REC+12V
(TO IC4401(16))
Hi-Fi DELAY REC(H)
Q6001
DVD READY(L)
TO/FROM DVD I
BLOCK DIAGRAM
HOST READY(L)
DVD RESET(L)
UHF/VHF TUNER/TV DEMODULATOR UNIT
D6304
D6302
D6303
D6301
ON-TIMER
ANGLE
PR.TIMER
REC
SERIAL DATA 0
SERIAL CLOCK
+5V
LOADING MOTOR
REVERSE(H)
IC6001
(SYSTEM CONTROL MICROCONTROLLER)
IR DATA
U6301
IR
RECEIVER
38
35
39
34
78
80
79
8
7
82
LOADING MOTOR
FORWARD(H)
83
37
14
20
MAIN C.B.A.
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
MODE SW
POSITION A
MODE SW
POSITION B
MODE SW
POSITION C
MODE SW
POSITION D
EJECT
DOWN
R-REV
LOAD
REV
PLAY
POWER OFF
PIN NO. OF IC6001
MODE
SW6002 (MODE SELECT SWITCH)
1
2
3
4
5
A
B
C
L
(33)
L
H
H
L
L
H
(32)
(31)
H
L
L
H
H
H
H
L
H
L
H
H
H
H
D
(30)
L
H
L
L
H
H
H
H
L
L
L
STOP R
L
L
L
H
STOP F
H
L
L
H
RR/REW
L
L
H
H
FF2
INTERMEDIATE
POSITIONS BETWEEN
EACH POSITIONS
L
H
H
H
31
30
32
33
1
6
5
2
4
5
5
6
I
2
C SERIAL DATA
I
2
C SERIAL CLOCK
(TO/FROM IC3001(8))
I
2
C SERIAL DATA
(TO/FROM IC4201(43))
I
2
C SERIAL DATA
(TO IC4201(42))
I
2
C SERIAL CLOCK
(TO IC3001(7))
I
2
C SERIAL CLOCK
(TO/FROM IC5301(44))
(TO IC5301(43))
I
2
C SERIAL DATA
I
2
C SERIAL CLOCK
IC6004
Q6301
(MEMORY)
72
71
(TO IC4601(15))
I
2
C SERIAL DATA
(TO IC4601(14))
I
2
C SERIAL CLOCK
UNSW+5V
REC LED ON(L)
ANGLE LED ON(L)/KEY DATA 2
PR. TIMER LED ON(L)/KEY DATA 1
LED+5VON(L)
+5V
CH UP
-----
PLAY
VOLUME
UP
DVD STOP
DVD PLAY
POWER
STOP
/EJECT
INPUT
CH DOWN
VOLUME
DOWN
FF/CUE
REC
SKIP-
SKIP+
OPEN
/CLOSE
REW
/REVIEW
-----
-----
-----
DVD
PAUSE/STILL
TERMINAL
VOLTAGE
OPERATION
BUTTON
KEY MATRIX
(SW6301~SW6312,SW6313~SW6384)
4
3
2
5
ON TIMER LED ON(L)/KEY DATA 0
1
P4801
1
P4801
7
DVD SERIAL DATA 0
P4801
4
P4801
5
DVD SERIAL DATA 1
P4801
3
DVD SERIAL CLOCK
P4801
2
RESET
RESET
Q6006
Q6005
IC6201
P4003
9
P4003
10
P7002
9
P7002
10
11
10
POWER SUPPLY C.B.A.
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 <
LOADING
MOTOR
DRIVE
SYSTEM CONTROL BLOCK DIAGRAM
SYSTEM CONTROL BLOCK DIAGRAM
Summary of Contents for Omnivision VHS PV-DF2004
Page 11: ...Fig 1 5 11 ...
Page 12: ...Fig 1 6 12 ...
Page 25: ...Fig D2 25 ...
Page 26: ...Fig D3 26 ...
Page 27: ...Fig D4 27 ...
Page 28: ...6 1 1 1 Notes in chart 1 Removal of VCR DVD Ass y Fig D5 28 ...
Page 48: ...7 4 TEST POINTS AND CONTROL LOCATION 48 ...
Page 51: ...11 2 DVD SECTION 51 ...
Page 52: ...11 3 CHASSIS FRAME SECTION 1 Model A B C D E F 52 ...
Page 53: ...11 4 CHASSIS FRAME SECTION 2 53 ...
Page 54: ...11 5 CHASSIS FRAME SECTION 3 54 ...
Page 55: ...11 6 PACKING PARTS AND ACCESORIES SECTION 55 ...