10.6. SYSTEM CONTROL BLOCK DIAGRAM
P2503
1
P2503
2
P2502
7
P2502
5
IC2501
LOADING
MOTOR
DRIVE
P6201
7
P6201
5
(LOADING MOTOR DRIVE)
15
16
19
21
LOADING
MOTOR
M
-
+
+5V
Q6004,Q6005,
Q6006,Q6007
RESET
(FROM POWER SUPPLY CIRCUIT)
POWER DOWN (L)
SW+12V
+5V
TP6001
IC6002
IC6003
TAKEUP REEL
SENSOR
SUPPLY REEL
SENSOR
Q6010
Q6009
TAKEUP
PHOTO TR
SUPPLY
PHOTO TR
SW+12V
D6001
SENSOR
LED
+5V
X6001
(14.3MHz)
OSC
Q6003
SW6001
SAFETY TAB SW
RESET
POWER DOWN(L)
TAKEUP REEL PULSE
SUPPLY REEL PULSE
TAKEUP PHOTO TR/SERVISE(L)
SUPPLY PHOTO TR
OSC 2
OSC 1
SAFETY TAB BROKEN(H)
VIDEO DELAY REC(H)
KEY DATA 0
KEY DATA 1
KEY DATA 2
KEY DATA 3
SW+12V
(TO IC3501(25))
DELAY REC+12V
Q6002
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
,,
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
+5V
0 0.9V
1.0 2.5V
2.6 4.1V
CH DOWN
CH UP
PLAY
/REPEAT
STOP
/EJECT
VOLUME
DOWN
VOLUME
UP
REC/TIME
-----
FF/CUE
REW/
REVIEW
ALARM
POWER
TERMINAL
VOLTAGE
OPERATION
BUTTON
KEY MATRIX (SW6301~SW6308, SW6310~SW6312)
5
6
I
2
C SERIAL DATA
I
2
C SERIAL CLOCK
(TO/FROM IC3001(8))
I
2
C SERIAL DATA
(TO/FROM IC4201(17))
I
2
C SERIAL DATA
(TO IC4201(16))
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
IC3301
(MEMORY)
OSD CSL(L)
SERIAL DATA 0
SERIAL DATA 1
SERIAL CLOCK
OUTPUT
CONTROL
LED
DRIVER
44
43
45
29
38
40
41
D6303
D6302
D6301
ON TIMER
TIMER
REC
+5V
LOADING MOTOR
FORWARD(H)
LOADING MOTOR
REVERSE(H)
IC6001 (SYSTEM CONTROL MICROCONTROLLER)
MODE SW POSITION C
MODE SW POSITION B
MODE SW POSITION A
IR DATA
VDD
+5V
U6301
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
(39)
L
L
H
H
L
L
(38)
(37)
H
L
L
H
H
L
L
H
L
L
H
H
L
L
19
2
18
73
74
75
76
20
61
98
99
79
80
28
27
45
11
13
12
55
54
41
59
39
38
37
49
CAPSTAN MOTOR DRIVE C.B.A.
TV/VCR MAIN C.B.A.
(WITH Hi-Fi AUDIO)
TP6023
TP6022
TP6021
PVQ-1310 / PV-C1320 / PV-C1330W / VV-1300 / VV-1310W / PV-C1340 / PV-C1350W / PV-C2010 / PV-C2020 / PV-C2030W / VV-2000 / PV-C2060
94