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9.5.
SYSTEM CONTROL BLOCK DIAGRAM
CAPSTAN STATOR UNIT
IC2501
(LOADING MOTOR DRIVE)
P2502
15
12
P2502
LOADING
16
13
MOTOR
P2502
DRIVE
19
18
P2502
21
15
LOADING MOTOR P.C.B.
LOADING
MOTOR
(FROM POWER SUPPLY CIRCUIT)
+5V
TP6001
SW+12V
IC6002
IC6003
TAKEUP REEL
SUPPLY REEL
SENSOR
SENSOR
(TO IC3501(25))
DELAY REC+12V
Q6002
(TO IC4401(16))
Hi-Fi DELAY REC(H)
(WITH Hi-Fi AUDIO)
JUNCTION C.B.A.
MAIN C.B.A.
IC6001 (SYSTEM CONTROL MICROCONTROLLER)
LOADING MOTOR
P2532
P2531
P6201
8
FORWARD(H)
12
8
8
LOADING MOTOR
P2532
P2531
P6201
7
REVERSE(H)
13
7
7
P2532
P2531
P6201
18
1
1
P2532
P2531
P6201
15
3
3
+
-
P2552
P6002
M
1
1
P2552
P6002
2
2
Q6001,Q6005,
Q6006,Q6007
+5V
RESET
25
RESET
POWER DOWN (L)
TAKEUP REEL
83
PULSE/SERVICE(L)
82
SUPPLY REEL PULSE
81
TAKEUP PHOTO TR
80
SUPPLY PHOTO TR
SW+5V
D6001
SENSOR
Q6010
Q6009
LED
TAKEUP
SUPPLY
X6001
PHOTO TR
PHOTO TR
(14.3MHz)
38
OSC 1
OSC
37
OSC 2
SW6001 SAFETY TAB SW
31
SAFETY TAB BROKEN(H)
Q6003
SW+12V
30
VIDEO DELAY REC(H)
SW6002 (MODE SELECT SWITCH)
VDD
36
+5V
MODE SW POSITION C
95
4
FF/REW
BRAKE
MODE SW POSITION B
96
3
PLAY/CUE/SLOW/STILL
REVIEW
MODE SW POSITION A
97
2
STANDBY/STOP
CASSETTE DOWN
1
EJECT
IR DATA
5
I
2
C SERIAL DATA
17
I
2
C SERIAL CLOCK
18
75
PIN NO. OF IC6001
A
B
C
MODE
(97)
(96)
(95)
H
H
L
L
H
H
L
H
L
H
L
L
H
L
H
L
L
H
L
L
L
U6301
IR
RECEIVER
(TO/FROM IC3001(8))
I
2
C SERIAL DATA
(TO IC3001(7))
I
2
C SERIAL CLOCK
(TO/FROM IC4201(43))
2
I
C SERIAL DATA
(TO IC4201(42))
I
2
C SERIAL CLOCK
(WITH Hi-Fi AUDIO)
PV-9661 / PV-9662
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