8.2.
POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM
A
B
C
D
E
1
2
3
4
5
6
7
8
9
10
F
G
P :TO POWER TRANSFORMER SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
T :TO TIMER SECTION
V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION
P
UNREG 38V
QR1342
UN2112
(POWER ON:ON)
Q1342
2SD601A
R1342
100K
S
POWER ON
P
UNREG 6V
S
CYLINDER VG
P
UNREG 15V
TL1002
D6303
MA4130NL
Q1341
2SC1959Y
(12V REG.)
C1341
0.01
C6305
25V4.7
R6302
6800
P
GND
V
AV 12V
D6306
MA4056NH
Q6305
2SD601A
(5V REG.)
C6302
0.01
C6303
6V47
R6309
820
S
GND
T
GND
V
GND
R6310
1800
D6307
MA4056NH
Q6307
2SC1959Y
(5V REG.)
C6310
0.01
C6309
6V47
R6307
2200
C6301
0.01
D6305
MA4062NL
Q6306
2SD601A
(5V REG.)
C7752
6V330
D7753
1SS254
D7754
B0JACE000001
TW1004
D6302
RB441P
D7751
RB441P
D7752
MA700A
R7751
1K
B7751
CR2354-1GUF
SYSTEM CTL 5V
S
BACK UP 5V
T
S
S
REG 5V
V
VIDEO 5V
V
TUNER 5V
S
V
S
V
S
S
S
S
V
V
TUNER VIDEO
AFC S-CURVE
TUNER AUDIO
SW1
SW2
IIC DATA
IIC CLOCK
RFC VIDEO OUT
RFC AUDIO OUT
A1
A2
A4
A5
A6
A7
A8
A9
A10
(5V REG.)
Q1354
2SC1959Y
R1351
470
C1351
0.01
C1352
6V47
D1351
MA4056NH
(5V REG.)
Q1351
2SC1959Y
C7623
0.01
L7610
10u
C7618
6V47
C7619
0.01
C7617
0.01
L7605
10u
C7616
6V47
L7601
10u
C7605
6V47
C7608
0.01
R7601
330
R7611
330
C7601
50V1
D7602
MA4300NM
L7603
0
C7603
0.01
A10
LB7601
J0JBC0000015
C7610
1000P
1
2
TU7601
ENG57818G1:A/C/D
ENG57820G1:B
ENG57912G1:E
3
4
5
6
A9
L7608
27u:A/B/C/D
33u:E
7
8
9
10
11
A8
R7606
J0JCC0000124
A7
R7607
J0JCC0000124
12
13
14
15
16
17
18
A6
19
20
C7622
470P
C7621
470P
21
22
23
24
25
A5
A4
A2
A1
N.SW 5V
AUDIO OUT
DATA
N.SW 5V
CLOCK
VIDEO OUT
CLOCK
DATA
N.SW 5V
UNREG 30V
IF OUT
IF IN
SW1
SW2
A COMPO
AFC S-CURVE
TUNER VIDEO
TUNER 5V
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
ORDER A PART,PLEASE REFER TO PARTS LIST.
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
37.4
37.4
0.1
0.6
15.0
12.1
12.9
6.1
5.1
5.8
5.1
6.1
5.9
6.1
5.9
5.1
6.1
5.0
5.8
6.1
5.3
6.0
GND
(POWER ON :ON)
H
H
NV-MV20GC/GCS/GM/
GL/EE/GCU/GCF/GH
POWER SUPPLY/RF
SECTION SCHEMATIC DIAGRAM
32
Содержание NV-MV20GC
Страница 19: ...3 1 2 DETAIL OF DISASSEMBLY METHOD 1 REMOVAL OF THE TOP PANEL Remove 2 Screws A Remove 2 Screws B Fig D2 ...
Страница 27: ...10 2 CASING PARTS SECTION ...
Страница 28: ...10 3 PACKING PARTS SECTION ...
Страница 29: ...11 REPLACEMENT PARTS LIST 11 1 CHASSIS PARTS SECTION PARTS LIST ...