FG_AMP_IN
NV-VP23EG/EC/EP
NV-VP28EG/EC
NV-VP33EG/EC/EB/EBL/EP
MAIN PCB SYSCON & SERVO
BLOCK DIAGRAM
74
76
11
(SYSTEM CONTROL/SERVO IC)
CURRENT
LIMIT
CAPSTAN
ERROR
TORQUE
CAPSTAN
REVERSE/
FORWARD
8
TAKE-UP PHOTO
7
SUPPLY PHOTO
81 SAFETY TAB
4
3
1
2
REG
5V
(T-REEL SENSOR)
4
3
1
2
(S-REEL SENSOR)
S7507
SAFETY
TAB SW
Q1502
SUPPLY
PHOTO
SENSOR
Q1501
TAKE UP
PHOTO
SENSOR
D1501
SENSOR
LED
REG
5V
80 T-REEL PULSE
79 S-REEL PULSE
TL6012
TL6013
94 CTL HEAD(-)
CTL HEAD(+)
95
CTL
HEAD
38
12MHz IN
39
12MHz OUT
35
32KHz IN
36
32KHz OUT
X6002
X6001
2
3
36
DATA IN
CLK
CS
94
62
59
52
8G
1G
P33
P1
1
F-
52
F+
TIMER DISPLAY
H.DC (+)
H.DC (-)
UNREG -23V
VPP
100
KEY0
16
N.SW
5V
N.SW
5V
17
KEY1
PLAY
S4809
N.SW
5V
18
KEY2
S4811
CH UP
S4810
STOP
POWER
43
37
N.SW
5V
1
2
RESET
34
78
1
2
RESET
N.SW
5V
1
3
IR7501
IR
RECEIVER
N.SW
5V
71
IIC CLOCK
72
IIC DATA
64
FLD CS
70
FLD / T2 CLK
68
FLD / T2 DATA OUT
69
FLD / T2 DATA IN
S4806
5V (D)
14
REMOCON
S4804
REC
L
RESET L
P.FAIL L
12M START H
UNREG
14V
87
FG_AMP_OUT
3
32 POSITION SW2
POSITION SW3
31
33
30
POSITION SW1
POSITION SW4
5
2
3
1
4
S1501
MODE
SW
73 125Hz
TW6002
97
100
TW2002
86
PB CTL OUT
EX.FF/REW L
15
16
17
22
23
24
25
26
27
21
IC0201
(CAPSTAN MOTOR DRIVE)
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
(LOADING MOTOR & CYLINDER MOTOR DRIVE)
5
6
63
62
F IN
R IN
CONTROL
LOGIC
PRE-DRIVE
AMP
AMP
OUT 1
OUT 2
2
4
-
+
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
LOADING
UNLOADING
91 O REF
96 CTL AMP REF
CYL ET
18
90 CYL PFG
15
16
17
DIFFERENTIAL
AMPLIFIRE
FG/PG
COMPOSER
CYLINDER
MOTOR
COILS
PG
COIL
H
H
CAPSTAN
FG
HEAD
T.REC
S4805
S4803
REW
S4802
FF
8
9
10
19
KEY3
20
KEY4
11
12
CH DN
S4807
S4808
EJECT
OPEN / CLOSE
S7506
S7508
AV_ENHANCER
S7501
DVD-RAM DUB
D_STOP
S7503
S7504
D_PLAY
N.SW
5V
N.SW
5V
Содержание NV-VP23-33
Страница 13: ...C Stop unloading just before unloading would be completed D Then the tape becomes slack 13 ...
Страница 18: ...7 3 TOP PANEL 1 Unscrew the Screws 7 4 FRONT PANEL UNIT 1 Unscrew the Screw 2 Remove the Tabs 18 ...
Страница 22: ...7 9 MAIN PCB UNIT 1 Unscrew the Screws 2 Release the Connectors 3 Remove the Main PCB Unit 22 ...
Страница 23: ...7 10 POWER PCB UNIT 1 Unscrew the Screws 2 Release the Connectors 3 Remove the Power PCB Unit 23 ...
Страница 25: ...7 12 2 SERVICE POSITION OF THE POWER SUPPLY PCB 7 12 3 SERVICE POSITION OF THE DECODER PCB AND TERMINAL PCB 25 ...
Страница 39: ...10 3 FRONT HOLDER 1 Remove the Front Holder 10 4 CLAMP PLATE UNIT 39 ...
Страница 56: ...12 ABBREVIATIONS 56 ...
Страница 64: ...20 1 VCR CHASSIS PARTS SECTION 20 2 DVD CHASSIS PARTS SECTION 64 ...
Страница 65: ...20 3 CASING PARTS SECTION 65 ...
Страница 66: ...66 ...
Страница 67: ...20 4 PACKING PARTS SECTION 67 ...
Страница 86: ...LB1218 BEAD CORE J0JHC0000070 1 86 ...
Страница 122: ...5 VID_FROM_YC AV3_V_IN TO SYSCON JK4801 7 6 V_OUT_TO_YC FROM SS SECTION TO IO SECTION PP4801 PS7501 3 3 ...
Страница 123: ...NV VP23EG EC EP NV VP28EG EC NV VP33EG EC EB EBL EP VCR LUMINANCE CHROMINANCE 2 2 BLOCK DIAGRAM ...