System Control Block Diagram - Panasonic PV-D4733S-K Service Manual

SYSTEM CONTROL BLOCK DIAGRAM

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