12.5. System Control & Servo Block Diagram
L
L
H
L
L
H
H
H
IIC DATA
AUDIO IC(IC4501)
VIDEO IC(IC3001)/
TO/FROM
IIC CLOCK
72
IIC DATA
IIC CLOCK 71
IC
HALL
DMR-EH75VP
System Control & Servo
Block Diagram
IC7501
(TIMER CPU)
P.FAIL
S-DATA CLOCK
VTR
S-DATA IN
VTR
S-DATA OUT
VTR
TIMER CS IN
HDMI IN
HDMI-CEC-OUT
VTR
29
28
32
30
31
83
1
19
TL6002
+5V
CAP TL
CAP FG
+5V
PB CTL
VCC
+5V
19
TL6004
34
RESET
FRONT R P.C.B.
HDMI P.C.B.
PG OUT
PG-
PG+
MAIN P.C.B.
2
PP7701
PS31902
10
P31905
P6001
+5V
3
IC7701
1 IR
(REMOTE CTL.RECEIVER)
14
IR
VTR S-DATA CLK 70
VTR S-DATA IN 69
VTR S-DATA OUT 68
15
VTR TIMER CS
POWER
FROM
(S-REEL SENSOR)
IC1512
CTL HEAD(+)
CTL HEAD(-)
COILS
MOTOR
CYLINDER
2
IC6002
1 OUT
(RESET)
X SW+5.8V
(IC2501- /P2571- )
+5V
(SWITCHING REG.+5V)
IC6301
SW
IN
OUT
4
3
1
POWER ON
75
+5V
5V(D) 37
(12MHz)
X6001
12MHz OUT 39
12MHz IN 38
SENSOR
PHOTO
TAKE-UP
Q1501
LED
SENSOR
D1501
SENSOR
PHOTO
SUPPLY
Q1502
TAB SW
SAFETY
S1531
+5V
(T-REEL SENSOR)
IC1511
4
2
1
3
4
2
3
1
TL23
TL24
80 T.REEL
79 S.REEL
27 SAFETY TAB
7 S.PHOTO
8 T.PHOTO
SW
MODE
S1532
5
4
3
2
1
SW4
SW3
SW2
SW1
SW4
SW3
SW2
SW1
30 POSITION SW4
POSITION SW3
31
32 POSITION SW2
POSITION SW1
33
PB CTL OUT
EX.FF/REW
TW2002
97
82
6
5
P4002
1
P1531
2
P1531
P4002
HEAD
CONTROL
95
94
COMPOSER
FG/PG
AMPLIFIRE
DIFFERENTIAL
17
16
15
CYL PFG
90
18
CYL ET
CTL AMP REF
96
O REF
91
UNLOADING
LOADING
CAP FG IN
CAP FG OUT
77
14
AMPLIFIRE
DIFFERENTIAL
COM
M3
M2
M1
20
-
+
+
+
AMPLIFIRE
DIFFERENTIAL
SELECTOR
GENERATOR
SIGNAL
DRIVE
MOTOR
PRE-DRIVE
DRIVE
MOTOR
25
23
22
MOTOR
LOADING
M
-
+
4
2
OUT 2
OUT 1
AMP
AMP
PRE-DRIVE
LOGIC
CONTROL
R IN
EC
PFG
F IN
83
84
6
5
(LOADING MOTOR & CYLINDER MOTOR DRIVE)
IC2501
HEAD
FG
CAPSTAN
3
P0201
P2571
TL2015
87
86
(SYSTEM CONTROL/SERVO)
IC6001
CAP R/F
CAP ET
CURRENT LIMIT
74
76
11
TL2502
7
6
5
2
P2571
P2571
P2571
P2571
P0201
P0201
P0201
P0201
+12.3V
MECHA
11
10
9
19
ED/S
EC
TL
VM
POWER
HALL
SELECT
DIRECTION
TORQUE
PROCESS
SIGNAL
POSITION
AMP
DEF
AMP
EC
AMP
TL
CONTROL
TORQUE
AMPLIFIRE
DIFFERENTIAL
DRIVE
MOTOR
VH+
A3
A2
A1
H2+
H2-
H1+
H1-
H3+
H3-
HALL
HALL
HALL
COILS
MOTOR
CAPSTAN
(CAPSTAN MOTOR DRIVE)
IC0201
21
27
26
25
24
23
22
17
16
15
5
P6002
7
P35001 P56101
38
1
P6002
6
P35001 P56101
DMR-EH75VP
65
Содержание DMR-EH75VP
Страница 6: ...2 2 Precaution of Laser Diode 6 DMR EH75VP ...
Страница 8: ...3 Service Navigation 3 1 Service Information 8 DMR EH75VP ...
Страница 9: ...4 Specifications 9 DMR EH75VP ...
Страница 11: ...11 DMR EH75VP ...
Страница 12: ...12 DMR EH75VP ...
Страница 13: ...13 DMR EH75VP ...
Страница 18: ...6 Location of Controls and Components 6 1 Each Buttons 18 DMR EH75VP ...
Страница 19: ...19 DMR EH75VP ...
Страница 40: ...10 2 P C B Positions 40 DMR EH75VP ...
Страница 50: ...11 1 2 Checking and Repairing of Main P C B 50 DMR EH75VP ...
Страница 52: ...11 1 3 Checking and Repairing of RAM Digital P C B Module 52 DMR EH75VP ...
Страница 53: ...11 1 4 Checking and Repairing of HDD 53 DMR EH75VP ...
Страница 57: ...57 DMR EH75VP ...
Страница 119: ...17 Parts and Exploded Views 17 1 Exploded Views 17 1 1 Casing Parts Mechanism Section1 119 DMR EH75VP ...
Страница 120: ...17 1 2 Casing Parts Mechanism Section 2 120 DMR EH75VP ...
Страница 121: ...17 1 3 VHS Mechanism Section 121 DMR EH75VP ...
Страница 122: ...17 1 4 Packing Accessories Section 122 DMR EH75VP ...