System Control & Servo Block Diagram - Panasonic DMR-EH75VP Service Manual

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