23.3. SYSTEM CONTROL, SERVO & TIMER BLOCK DIAGRAM
DMR-EH80VEG
DMR-EH80VEB
SYSTEM CONTROL / SERVO & TIMER
BLOCK DIAGRAM
TO
IC3002 , QR4501, IC3906 , IC7402
5
5
5
N
L
H
L
L
H
H
H
P.C.B.
DIGITAL I/F
TO/FROM
TL6002
+6V
CAP TL
CAP FG
+5V
PB CTL
VCC
+5V
19
TL6004
34
RESET
FRONT JACK P.C.B.
PG OUT
PG-
PG+
2
P31905
P6005
11
2
8
5
10
3
PP4600
PP4600
PP4600
PS6002
PS6002
PS6002
4
5
2
5
P6003
P6003
P6003
P31903
P31903
P31903
P31905
P6005
+5V
3
IC7801
1 IR
(REMOTE CTL.RECEIVER)
14
REMOCON
VHS KEY 1
5
VHS KEY 2
6
STOP
S7801
FF
POWER
S7802
CH-UP
S7805
S7806
S7813
S7812
S7810
PLAY
REC
EXT_LINK_D
EXT_LINK_V
S7809
EJECT
REW
S7808
S7807
S7803
CH DN
TIMER BUS CLK 70
TIMER BUS DATA IN 69
IIC CLK 71
TIMER BUS DATA OUT 68
15
TIMER CS
POWER
FROM
(S-REEL SENSOR)
IC1512
CTL HEAD(+)
CTL HEAD(-)
COIL
PG
COILS
MOTOR
CYLINDER
5
IC6202
4 OUT
(RESET)
X SW+5.8V
+5V
(SWITCHING REG.+5V)
IC6302
ON
IN
OUT
4
3
1
PON
75
SST 6V
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)
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
P4002
HEAD
CONTROL
95
94
COMPOSER
FG/PG
AMPLIFIRE
DIFFERENTIAL
17
16
15
PFG
90
18
CYL ET
CTL AMP REF
96
O PEF
91
UNLOADING
LOADING
FG. AMP. IN
FG. AMP. 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)
IC2501
HEAD
FG
CAPSTAN
3
P0201
P2571
TL2015
87
86
(SYSTEM CONTROL/SERVO/TIMER)
IC6001
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
IIC DATA 72
TO
IC37501
IC37501
IC4501
IC4501
, IC3901
, IC3901
, IC6101
, IC6101
28
29
42
43
88
89
7
6
11
12
73
74
, TU7401
, TU7401
, IC3001
, IC3001
,
,
TO
DMR-EH80VEG / DMR-EH80VEB
71
Summary of Contents for DMR-EH80VEG
Page 43: ...43 DMR EH80VEG DMR EH80VEB ...
Page 66: ...66 DMR EH80VEG DMR EH80VEB ...
Page 68: ...DMR EH80VEG DMR EH80VEB 68 ...
Page 76: ...DMR EH80VEG DMR EH80VEB 76 ...
Page 100: ...DMR EH80VEG DMR EH80VEB 100 ...
Page 101: ...26 EXPLODED VIEWS 26 1 MECHANISM CASING PARTS 101 DMR EH80VEG DMR EH80VEB ...
Page 102: ...26 2 FRONT PANEL PARTS 102 DMR EH80VEG DMR EH80VEB ...
Page 103: ...26 3 VHS MECHANISM PARTS 103 DMR EH80VEG DMR EH80VEB ...
Page 104: ...26 4 PACKING ACCESSORIES 104 DMR EH80VEG DMR EH80VEB ...
Page 159: ...28 3 POWER P C B FOR PRINTING A4 SIZE DMR EH80VEG DMR EH80VEB 159 ...
Page 160: ...DMR EH80VEG DMR EH80VEB 160 ...
Page 161: ...DMR EH80VEG DMR EH80VEB 161 ...
Page 162: ...DMR EH80VEG DMR EH80VEB 162 ...
Page 172: ...DMR EH80VEG NICAM DECODER PCB COMPONENT SIDE 94 DMR EH80VEG DMR EH80VEB 172 ...
Page 177: ...25 11 SD CARD P C B SOLDER COMPONENT SIDE 97 DMR EH80VEG DMR EH80VEB 177 ...