Panasonic DMR-EZ49VEG, Service Manual

Page: 65 / 157

S-13
S3.5. System Control & Servo Block Diagram
TO
IC3002 5 , QR4501
TL6002
VDD
CAP TL
CAP FG
+5V
PB CTL
+5V
19
TL6004 34
PG OUT
PG-
PG+
4
P9101 P6001
1 1
4 4
12 12
PP4801
PP4801
PP4801
PS6002
PS6002
PS6002
6
7
8
12
P6001
P6001
P6001
P9101
P9101
P9101
P9101 P6001
AD +5V 3
IR7601
1 IR
(REMOTE CTL.RECEIVER)
14
5
6
PO
EJECT
WER
S7701
S7704
70
69
71
68
15
FROM
DIGITAL IF P.C.B.
POWER SECTION
(S-REEL SENSOR)
IC6502
COIL
PG
2
IC9703
1 OUT
X SW+5.8V +5V
IC6302
ON
IN OUT 4
3
1
75
AD 5V 37
(12MHz)
X6001
39
38
Q6501 D6501 Q6502 S6531
+5V
(T-REEL SENSOR)
IC6501
4
2 1
3 4
2
3
1
TL23
TL24
80
79
26
7
8
SW
MODE
S6532
5
4
3
2
1
SW4
SW3
SW2
SW1
SW4
SW3
SW2
SW1
30
31
32
33
TW2002
97
82
6
5
P4002
P4002
95
94
17
16
15
90 18
96
91
77 14
M3
M2
M1
20
-
+ + +
25
23
22
M
+
-
2
1
P6531
P6531
4
2
OUT 2
OUT 1
R IN
F IN
28
29
6
5
IC2501
3
P0201 P2571
TL2515
87
86
IC6001
74
76
11
TL2502
7
6
5
2
P2571
P2571
P2571
P2571
P0201
P0201
P0201
P0201
MECHA12.5V
11
10
9
19
ED/S
EC
TL
VM
VH+
A3
A2
A1
H2+
H2-
H1+
H1-
H3+
H3-
HALL
HALL
HALL
CAPSTAN
MOTOR COILS
( CAPSTAN MOTOR DRIVE ) ( SYSTEM CONTROL / SERVO / TIMER )
MOTOR
DRIVE
DIFFERENTIAL
AMPLIFIER
TORQUE
CONTROL
CURRENT LIMIT
CAP ET
CAP R/F
TO CAPSTAN MOTOR
FROM
FROM
( RESET )
( SWITCHING REG. +5V)
FG. AMP. OUT
FG. AMP. IN
LOADING
UNLOADING
O REF
CTL AMP REF
CYL ET
PFG
CTL HEAD(-)
CTL HEAD(+)
EX. FF/RW
PB CTL OUT
POSITION SW1
POSITION SW2
POSITION SW3
POSITION SW4
T.PHOTO
S.PHOTO
SAFETY TAB
S.REEL
VHS KEY 1
VHS KEY 2
REMOCON
REMOCON
REMOCON
IIC DATA
TIMER BUS CLK
TIMER BUS DATA IN
TIMER BUS DATA OUT
TIMER CS
T.REEL
RESET
P_FAIL
PON_H
12MHz IN
12MHz OUT
5V (D)
TL AMP
EC AMP
DEF
AMP
HALL
POWER
CAPSTAN
FG HEAD
( LOADING MOTOR & CYLINDER MOTOR DRIVE )
AMP
AMP
MOTOR
DRIVE
LOADING
MOTOR
CYLINDER
MOTOR
COILS
AUDIO
CONTROL HEAD
TAKE-UP
PHOTO
SENSOR
SUPPLY
PHOTO
SENSOR
SAFETY
TAB SW SENSOR
LED
MOTOR
DRIVE
SIGNAL
GENERATOR
DIFFERENTIAL
AMPLIFIER
DIFFERENTIAL
AMPLIFIER
DIFFERENTIAL
AMPLIFIER
FG/PG
COMPOSER
VOC
COM
PRE-DRIVE
PRE-DRIVE
SELECTOR
CONTROL
LOGIC
POSITION
SIGNAL
PROCESS
TORQUE
DIRECTION
SELECT
IC0201
21
27
26
25
24
23
22
17
16
15
72
1
P2501
2
3
4
7
6
1
P6001 P9101
DIGITAL IF P.C.B.
1
P0201 P2571
11, 12
P6004 P9104
IR
KEY1
KEY2
VTR_CS
VHS_S_OUT
VHS_S_IN
VHS_S_CLK
3
80
100
1
2
(D-IF/TIMER MICRO PROCESSOR)
IC9701
VHS_S_CS
VHS_S_IN
VHS_S_OUT
VHS_S_CLK
16 16
P9101 P6001 KEY_CH_DOWN
17 17
P9101 P6001 KEY_CH_UP
19 19
PP7501 PS9701 KEY_CH_DOWN
20 20
PP7501 PS9701 KEY_CH_UP
CH UP
S7508
CH DOWN
S7506
73 IC3001-
42 IC4501-
74 IC3001-
43 IC4501-
MAIN P.C.B.
DIGITAL IF P.C.B.
FRONT JACK P.C.B.
FL DRIVE P.C.B.
DMR-EZ49VEG/EC/EB
System Control & Servo
Block Diagram