Panasonic PV-D4733S-K, Service Manual

Page: 265 / 274

LOADING
MOTOR
DRIVE
P6201
12
(LOADING MOTOR DRIVE)
24
14
11
LOADING
MOTOR
M
-
+
+5V
Q6006, Q6007
Q6001,Q6005,
IC6004
(IC6001 RESET)
RESET
SW+12V
+5V
TP6001
IC6002 IC6003
TAKEUP REEL
SENSOR SUPPLY REEL
SENSOR
Q6010 Q6009
TAKEUP
PHOTO TR SUPPLY
PHOTO TR
SW+5V
D6001
SENSOR
LED
X6001
(14.3MHz)
OSC
Q6003
SW6001 SAFETY TAB SW
RESET
TAKEUP REEL PULSE
SUPPLY REEL PULSE
TAKEUP PHOTO TR(L)
SUPPLY PHOTO TR(L)
OSC 1
OSC 2
SAFETY TAB BROKEN(H)
VIDEO DELAY REC(H) SW+12V
(TO T4101(2))
DELAY REC+12V
Q6002
LOADING MOTOR
CONTROL
IC6001 (SYSTEM CONTROL MICROCONTROLLER)
MODE SW POSITION C
MODE SW POSITION B
MODE SW POSITION A
IR DATA
VDD +5V
U6302
IR
RECEIVER
FF/REW
BRAKE
PLAY/CUE/SLOW/STILL
REVIEW
STANDBY/STOP
CASSETTE DOWN
EJECT
PIN NO. OF IC6001
MODE
SW6002 (MODE SELECT SWITCH)
4
3
2
1
A B C
H
(97)
L
L
H
H
L
L
(96) (95)
H
L
L
H
H
L
L
H
L
L
H
H
L
L
38
30
37
25
3
4
79
80
8
36
5
97
96
95
28
CAPSTAN MOTOR UNIT MAIN C.B.A.
OPERATION I C.B.A.
OPERATION II C.B.A.
1 POWER DOWN(L)
TP6019
TP6018
TP6017
RESET 1 2
45
60
59
31
11
13
12
U6301 FIP
DISPLAY PANEL
11
P5002
12
P5002
13
P5002
10
P5002
9
P5002
8
P5002
87
86
84
KEY DATA 3
KEY DATA 4
89
88
KEY DATA 1
KEY DATA 2
KEY DATA 5
78
KEY DATA 6
12
P6301
8
P6301
9
P6301
10
P6301
12
P6501
8
P6501
9
P6501
10
P6501
CN1
12
CN3
1
CN3
2
DVD READY(L)
DVD RESET(L)
HOST READY(L)
DVD SERIAL DATA 0
DVD SERIAL DATA 1
DVD SERIAL CLOCK
DVD READY(L)
DVD RESET(L)
HOST READY(L)
DVD SERIAL DATA 0
DVD SERIAL DATA 1
DVD SERIAL CLOCK
2
9
90
16
15
14
3
P5001
5
P5001
2
P5001
7
P5001
1
P5001
4
P5001
PROGRESSIVE ON (H)
PROGRESSIVE
ON (H)
55
17
P5001
P6302
3
P6302
2
P6302
4
P6601
3
P6601
2
P6601
1
P6601
54 PROGRESSIVE
LED ON(H)
1
6
P6302
6
P6601
2
P6302
+5V
Q6601
D6601
PROGRESSIVE
+5V
APPROX.
0V
APPROX.
1.2V
APPROX.
2.5V
APPROX.
3.8V
VCR REC
VCR FF
CH UP POWER
VCR
STOP/EJECT
VCR PLAY VCR REW
CH DOWN ----- -----
-----
-----
TERMINAL
VOLTAGE
OPERATION
BUTTON
KEY VOLTAGE (SW6501~6508)
APPROX.
0V
APPROX.
1.2V
APPROX.
2.5V
APPROX.
3.8V
DVD PAUSE DVD STOP
PROGRESSIVE
DVD
OPEN/CLOSE DVD
SKIP/FWD DVD
SKIP/REW
DVD PLAY -----
-----
----- ----- -----
TERMINAL
VOLTAGE
OPERATION
BUTTON
KEY VOLTAGE (SW6601~6607)
(TO/FROM IC3001(88)) I
2
C SERIAL DATA
(TO/FROM IC4201(43)) I
2
C SERIAL DATA
(TO IC4201(42)) I
2
C SERIAL CLOCK
(TO IC3001(87)) I 2 C SERIAL CLOCK
I
2
C SERIAL DATA
I 2 C SERIAL CLOCK
17
18
I
2
C SERIAL DATA
I 2 C SERIAL CLOCK
IC6005 (MEMORY)
5
6
TO/FROM DVD I BLOCK DIAGRAM
U6501
IR
RECEIVER
U6601
IR
RECEIVER
3
4
SERIAL DATA 1
SD READY(L)
SERIAL CLOCK
SERIAL DATA 0
SD CS(L)
SD RESET(L)
TO SD
BLOCK
DIAGRAM
SD READY(L)
SD CS(L)
SD RESET(L)
IC6303 CS (L)
SERIAL DATA 0
SERIAL DATA 1
SERIAL CLOCK
NOT USED
NOT USED
NOT USED
(WITH SD)
NOT USED
SYSTEM CONTROL BLOCK DIAGRAM
SYSTEM CONTROL BLOCK DIAGRAM
PV-D4733S/PV-D4743/PV-D4743S/PV-D4743S-K