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SYSTEM CONTROL / SERVO BLOCK DIAGRAM
CAPSTAN MOTOR ASS'Y
CAPSTAN MOTOR DRIVE IC
CAPSTAN
MOTOR
COILS
A1
15
A2
MOTOR
DIFFERENTIAL
16
A3
DRIVE
AMPLIFIRE
17
22
H3-
HALL
23
H3+
24
H1-
POSITION
DEF
SIGNAL
AMP
PROCESS
HALL
25
H1+
26
H2-
HALL
27
H2+
VH+
HALL
21
POWER
CAPSTAN
FG
HEAD
IC6201
LOADING
MOTOR
P6202
OUT 1
M
2
+
-
1
P6202
OUT 2
CYLINDER UNIT
4
2
P6203
M1
22
1
M2
23
CYLINDER
P6203
M3
MOTOR
25
2
COIL
P6203
3
P6203
MOTOR
4
DRIVE
COM
20
P6203
15
PG
7
COIL
P6203
16
6
AUDIO CONTROL/ERASE HEAD
17
CONTROL
HEAD
P4092
P4002
5
5
P4092
P4002
6
6
SW6001
(MODE SELECT SWITCH)
PIN NO.OF IC6001
SW1
SW2
SW3
SW4
1
MODE
(33)
(32)
(31)
(30)
2
+5V
EJECT
L
H
H
H
3
DOWN
L
H
L
L
4
R-REW
H
H
L
L
5
LOAD
L
L
H
L
REV
H
L
H
L
PLAY
L
H
H
L
POWER OFF
H
H
H
L
STOP R
L
L
L
H
STOP F
H
L
L
H
FF/REW
L
L
H
H
Q6006
D6001
FF2
L
H
H
H
SENSOR
TAKE-UP
INTERMEDIATE
PHOTO
LED
POSITIONS BEWEEN
H
H
H
H
SENSOR
EACH POSITIONS
MAIN C.B.A.
+16V
VM
P0201
P6201
19
2
2
TORQUE
TL
TL
P0201
P6201
9
CONTROL
AMP
5
5
EC
P0201
P6201
EC
10
AMP
6
6
TORQUE
ED/S
P0201
P6201
DIRECTION
11
7
7
SELECT
P0201
P6201
3
3
(LOADING MOTOR & CYLINDER MOTOR DRIVE)
F IN
AMP
5
CONTROL
PRE-DRIVE
LOGIC
R IN
AMP
6
V1
+ + +
MOTOR
1V
DRIVE
DIFFERENTIAL
PRE-DRIVE
SELECTOR
SIGNAL
AMPLIFIRE
GENERATOR
V1
-
1V
DIFFERENTIAL
FG/PG
DIFFERENTIAL
14
AMPLIFIRE
COMPOSER
AMPLIFIRE
18
TP6014
TP6016
TP6017
TP6019
+5V
TP6005
TP6009
TP6001
IC6002
(T-REEL SENSOR)
Q6001
2
1
+12V
3
4
Q6007
SW6002
SAFETY
SUPPLY
PHOTO
TAB SW
+5V
Q6002
SENSOR
(TO T4101-2)
V D REC 12V
IC6001
(SYSTEM CONTROL & SERVO MICROCONTROLLER)
TP6036
3.58MHz IN
V1
+2.500VDC
CURRENT
11
LIMIT
TP6202
3.58MHz OUT
76
CAP ET
1V
5µs
12MHz IN
74
CAP RVS(H)/FWD(L)
12MHz OUT
V1
0.6Vp-p
TP6208
86
CAP FG OUT
CS(L)
0.2V
0.5ms
SERIAL DATA
87
CAP FG IN
SERIAL CLOCK
V1
4.4Vp-p
TP6207
82
EX.FF/REW(L)
RESET(L)
97
PB CTL OUT
2V
10ms
63
LOADING FWD(H)
POWER DOWN(L)
64
LOADING REV(H)
IR DATA
+2.500VDC
BLUE LED ON
V REF
V1
5.0Vp-p
91
OUT
5µs
2.0Vp-p
CTL
96
AMP
2V
5ms
REF
TP6201
V1
5.0Vp-p
10ms
IIC CLOCK
77
CYL ET
IIC DATA
90 CYL PFG
2V
10ms
TP6028
TP6206
73 750Hz
HOST READY
94
CTL HEAD(-)
DVD SERIAL CLOCK 67
95
CTL HEAD(+)
DVD SERIAL DATA
HOST SERIAL DATA 65
33 POSITION SW1
DVD READY
32
POSITION SW2
31 POSITION SW3
DVD RESET(L) 58
30
POSITION SW4
8
T.PHOTO
7
S.PHOTO
27
SAFETY TAB BROKEN(H)
IC6003
(S-REEL SENSOR)
KEY DATA 1 1
2
1
+5V
TP6021
KEY DATA 2 2
3
4
79
S-REEL
TP6018
KEY DATA 3 3
80
T-REEL
KEY DATA 4 4
+5V
20
D REC(H)
KEY DATA 5 100
(WITH LED DISPLAY)
(WITH DISPLAY TUBE)
NOT USED
U6301
U6301
41
LED DISPLAY
PANEL
X6003
42
38
31
0
X6002
IC6303
SEGMENT
DISPLAY PANEL
39
CONTROL
NCS
22
62
68
70
IC6005
TP6020
Q6003,Q6004
+5V
(IC6001 RESET)
Q6005,Q6008
34
RESET
2
RESET
1
TP6035
78
14
21
IC6004
(MEMORY)
V1
5.0Vp-p
6
IIC CLOCK
5
IIC DATA
2V
5ms
71
72
P5001
24
1
P5001
2
P5001
66
3
P5001
4
P5001
15
5
P5001
7
KEY VOLTAGE (SW6319-SW6329)
+5V
APPROX.
0V
VCR/DVD
POWER
DVD
OPEN/CLOSE
DVD
STOP
SYSTEM CONTROL / SERVO BLOCK DIAGRAM
PV-D4734S/PV-D4744/PV-D4744S/PV-D4754S/PV-D4734S-K/PV-D4744S-K/PV-D4754S-K
DISPLAY TUBE
44
1
7
10
12
15
14
7
0
DIGIT
SDI
SCK
24
23
U6302
IR
RECEIVER
+5V
D6203
BLUE LED
Q6010
(WITH ILLUMINATION)
(TO TUNER(U7001))
IIC CLOCK
(TO/FROM TUNER(U7001))
IIC DATA
(TO IC3001-73)
IIC CLOCK
(TO IC3001-74)
IIC DATA
(TO IC4201-42)
IIC CLOCK
(TO IC4201-43)
IIC DATA
HOST READY (L)
DVD SERIAL CLOCK
DVD SERIAL DATA 1
TO/FROM
DVD I BLOCK DIAGRAM
DVD SERIAL DATA 2
DVD READY (L)
DVD RESET(L)
APPROX.
APPROX.
APPROX.
TERMINAL
1.2V
2.5V
3.8V
VOLTAGE
VCR
VCR
VCR
CH UP
STOP/EJECT
REC/TIME
VCR
PLAY
OPERATION
BUTTON
VCR
CH DOWN
VCR/DVD
VCR/DVD
FF/SEARCH/
REW/SEARCH
SKIP+
/SKIP-
DVD
PLAY
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