N
L
L
H
L
L
H
H
H
DMR-E75VP
System Control,Servo & Timer
Block Diagram
I/F P.C.B.
POWER & DIGITAL
TO/FROM
< VTR OPERATION KEY >
TL6002
+5V
CAP TL
CAP FG
+5V
PB CTL
VCC
+5V
19
TL6004
34
RESET
FRONT JACK P.C.B.
PG OUT
PG-
PG+
MAIN P.C.B.
2
P31905
P6005
11
2
8
5
10
3
PP4801
PP4801
PP4801
PS33001
PS33001
PS33001
4
5
2
5
P6003
P6003
P6003
P31903
P31903
P31903
P31905
P6005
+5V
3
1 IR
(REMOTE CTL.RECEIVER)
14
REMOCON
VTRKEY 1
5
VTRKEY 2
6
STOP
S7801
SKIP-R
FF
POWER
S7802
CH-UP
S7803
S7805
S7806
S7807
REC
S7813
S7812
S7810
PLAY
S7809
EJECT
REW
SKIP-F
S7808
CH DN
VTR DATA CLK 70
VTR DATA IN 69
VTR DATA OUT 68
15
VTR TIMER CS
POWER
FROM
(S-REEL SENSOR)
CTL HEAD(+)
CTL HEAD(-)
COIL
PG
COILS
MOTOR
CYLINDER
2
1 OUT
(RESET)
P.FAIL
78
X SW+5.8V
+5V
(SWITCHING REG.)
SW
IN
OUT
4
3
1
POWER ON
75
BATTERY
BACK-UP
+5V
5V(D)
37
(12MHz)
X6001
(32KHz)
X6002
12MHz OUT 39
12MHz IN 38
32KHz OUT 36
32KHz IN 35
SENSOR
PHOTO
TAKE-UP
Q1501
LED
SENSOR
D1501
SENSOR
PHOTO
SUPPLY
Q1502
TAB SW
SAFETY
S1531
+5V
(T-REEL SENSOR)
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
P4002
HEAD
CONTROL
95
94
TL6001
256Hz
73
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
+
-
2
1
P1531
P1531
4
2
OUT 2
OUT 1
AMP
AMP
PRE-DRIVE
LOGIC
CONTROL
R IN
F IN
83
84
6
5
(LOADING MOTOR & CYLINDER MOTOR DRIVE)
HEAD
FG
CAPSTAN
3
P0201
P2571
TL2015
87
86
(SYSTEM CONTROL/SERVO/TIMER)
CAP R/F
CAP ET
CURRENT LIMIT
74
76
11
TL2502
7
6
5
2
P2571
P2571
P2571
P2571
P0201
P0201
P0201
P0201
+15.5V
X SW
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
Summary of Contents for DMRE75VP
Page 1: ...ORDER NO DSD0403007C1 B24 DVD Video Recorder DMR E75VP Colour S Silver Type SPECIFICATIONS 1 ...
Page 2: ...1 Safety precautions 1 1 General guidelines 2 ...
Page 29: ...Item FL display Key operation Mode name Description Remote controller key 48 ...
Page 64: ...4 Remove the 5 screws 5 Remove Front Angle 6 Remove Power Digital I F P C B ...
Page 68: ...15 2 Checking and Repairing of Main P C B 52 ...
Page 69: ...15 3 Checking and Repairing of Digital P C B 53 ...
Page 70: ...15 4 Checking and Repairing of I O P C B 54 ...
Page 71: ...15 5 Checking and DVD RAM Drive 55 ...
Page 87: ...24 2 Casing Parts Mechanism Section 2 71 ...
Page 88: ...24 3 VHS Mechanism Section 72 ...
Page 89: ...24 4 Packing Accessories Section 73 ...
Page 98: ...82 ...
Page 100: ...LB3704 06 J0JCC0000103 COIL 3 84 ...
Page 106: ...C4415 EEEHB0J470R 6 3V 47P 1 90 ...
Page 112: ...R43976 ERJ3GEYJ102V 1 10W 1K 1 96 ...
Page 114: ...C11471 ECA1AHG221 10V 220U 1 98 ...
Page 183: ......
Page 184: ......
Page 185: ......
Page 206: ...Ref No MODE 1 2 3 STOP 4 8 0 4 8 IC7801 ...
Page 215: ...1 A B C D 2 3 4 5 I O P C B DMR E75VP I O P C B VEP03G66B ...
Page 220: ...5 6 7 8 1 4 2 4 3 4 4 4 DMR E75VP Main P C B VEP06F77BT 2 4 Section Location Map REAR FRONT ...
Page 222: ...Location Map REAR FRONT 1 4 2 4 3 4 4 4 DMR E75VP Main P C B VEP06F77BT 4 4 Section ...