Panasonic DoubleFeature PV-D4734S, Service Manual

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15
16
17
22
23
24
25
26
27
21
CAPSTAN MOTOR DRIVE IC
CAPSTAN
MOTOR
COILS
HALL
HALL
HALL
H3-
H3+
H1-
H1+
H2-
H2+
A1
A2
A3
VH+
MOTOR
DRIVE DIFFERENTIAL
AMPLIFIRE TORQUE
CONTROL TL
AMP
EC
AMP
DEF
AMP
POSITION
SIGNAL
PROCESS TORQUE
DIRECTION
SELECT
HALL
POWER
VM
TL
EC
ED/S
19
9
10
11
P0201
P0201
P0201
P0201
TP6036
11
76
74
CURRENT
LIMIT
CAP ET
CAP RVS(H)/FWD(L)
IC6001 (SYSTEM CONTROL & SERVO MICROCONTROLLER)
86
87
TP6208
P6201
IC6201
(LOADING MOTOR & CYLINDER MOTOR DRIVE)
5
6
63
64
F IN
R IN
CONTROL
LOGIC
PRE-DRIVE
AMP
AMP
OUT 1
OUT 2
2
4
P6202
P6202
1
2
M
LOADING
MOTOR
22
23
25
MOTOR
DRIVE
PRE-DRIVE
MOTOR
DRIVE
SIGNAL
GENERATOR
SELECTOR
DIFFERENTIAL
AMPLIFIRE
+ + +
-
20
M1
M2
M3
COM
DIFFERENTIAL
AMPLIFIRE
14 77
CAP FG OUT
CAP FG IN
LOADING FWD(H)
LOADING REV(H)
91
V REF
OUT
96
CTL
AMP
REF
CYL ET
18 90 CYL PFG
15
16
17
DIFFERENTIAL
AMPLIFIRE FG/PG
COMPOSER
73 750Hz
TP6028
94
95
CONTROL
HEAD
P4092
P4092
5
6
82
97
TP6207
EX.FF/REW(L)
PB CTL OUT
33 POSITION SW1
POSITION SW2 32
31 POSITION SW3
POSITION SW4 30
T.PHOTO 8
S.PHOTO 7
SAFETY TAB BROKEN(H) 27
S-REEL 79
T-REEL 80
TP6021
TP6018
1
4
2
3 4
1 2
3
IC6002
(T-REEL SENSOR)
+5V
SW6002
SAFETY
TAB SW Q6007
SUPPLY
PHOTO
SENSOR
D6001
SENSOR
LED
Q6006
TAKE-UP
PHOTO
SENSOR
41 3.58MHz IN
42 3.58MHz OUT
38 12MHz IN
39 12MHz OUT
X6003
X6002
2
IC6005
(IC6001 RESET)
(MEMORY)
IIC CLOCK 6
IC6004
CTL HEAD(-)
CTL HEAD(+)
IC6003
(S-REEL SENSOR)
1
10 7 1 44 31
P6203
1
2
P6203
3
P6203
P6203
7
P6203
6
P6203
4
CYLINDER
MOTOR
COIL
PG
COIL
P4002
P4002
5
6
CAPSTAN
FG
HEAD
P0201
INTERMEDIATE
POSITIONS BEWEEN
EACH POSITIONS
P6201
P6201
P6201
P6201
2
5
6
7
2
5
6
7
3
1
2
3
4
5
+5V
+5V
+12V
Q6001
Q6002
(TO T4101-2)
V D REC 12V
+5V
+5V
20
TP6014 TP6016 TP6017 TP6019
TP6005 TP6009 TP6001
D REC(H)
+16V
TP6202
CAPSTAN MOTOR ASS'Y
CYLINDER UNIT
AUDIO CONTROL/ERASE HEAD
EJECT
DOWN
R-REW
LOAD
REV
PLAY
POWER OFF
STOP R
STOP F
FF/REW
FF2
PIN NO.OF IC6001
MODE
SW1
(33) SW2
(32) SW3
(31) SW4
(30)
L
L
H
L
H
L
H
L
H
L
L
H
H
H
H
L
L
H
H
L
L
L
H
H
H
L
L
H
H
H
H
L
L
H
H
H
H
L
L
L
L
L
L
H
H
H
H
H
SW6001
(MODE SELECT SWITCH)
TP6206
RESET RESET
Q6003,Q6004
Q6005,Q6008
TP6035
TP6020
+5V
IR
RECEIVER
U6302
IIC DATA 5
34
78
D6203
BLUE LED
Q6010
+5V
(WITH ILLUMINATION)
(TO TUNER(U7001))
IIC CLOCK
(TO/FROM TUNER(U7001))
IIC DATA
(TO IC3001-73)
IIC CLOCK
(TO IC3001-74)
IIC DATA
(TO IC4201-42)
IIC CLOCK
(TO IC4201-43)
IIC DATA
71
72
24 HOST READY
P5001
1
HOST READY (L)
DVD SERIAL CLOCK
P5001
DVD SERIAL CLOCK 67
2
3
66 DVD SERIAL DATA
P5001
DVD SERIAL DATA 1
DVD SERIAL DATA 2
P5001
HOST SERIAL DATA 65
4
5
15 DVD READY
P5001
DVD READY (L)
DVD RESET(L)
P5001
DVD RESET(L) 58
7
TO/FROM
DVD I BLOCK DIAGRAM
12 15
0 14 7 0
22
NCS SDI
24 23
SCK
IC6303
DISPLAY PANEL
CONTROL
U6301
DISPLAY TUBE
CS(L)
SERIAL DATA
SERIAL CLOCK
RESET(L)
POWER DOWN(L)
62
68
70
14
21
IR DATA
BLUE LED ON
IIC CLOCK
IIC DATA
LED DISPLAY
PANEL
U6301
(WITH LED DISPLAY)
APPROX.
0V APPROX.
1.2V APPROX.
2.5V APPROX.
3.8V TERMINAL
VOLTAGE
VCR/DVD
POWER VCR
CH UP VCR
STOP/EJECT VCR
REC/TIME
VCR
PLAY
VCR
CH DOWN
VCR/DVD
FF/SEARCH/
SKIP+
DVD
OPEN/CLOSE
DVD
STOP DVD
PLAY
VCR/DVD
REW/SEARCH
/SKIP-
OPERATION
BUTTON
KEY VOLTAGE (SW6319-SW6329)
KEY DATA 1 1
KEY DATA 2 2
KEY DATA 3 3
KEY DATA 4 4
KEY DATA 5 100
+5V
MAIN C.B.A.
3
+ -
TP6201
(WITH DISPLAY TUBE)
SEGMENT DIGIT
NOT USED
+2.500VDC V1
1V 5µs
0.6Vp-p V1
0.2V 0.5ms
4.4Vp-p V1
2V 10ms
+2.500VDC V1
1V 5µs
2.0Vp-p V1
1V 10ms
5.0Vp-p V1
2V 10ms
5.0Vp-p V1
2V 5ms
5.0Vp-p V1
2V 5ms
SYSTEM CONTROL / SERVO BLOCK DIAGRAM
PV-D4734S/PV-D4744/PV-D4744S/PV-D4754S/PV-D4734S-K/PV-D4744S-K/PV-D4754S-K
SYSTEM CONTROL / SERVO BLOCK DIAGRAM