- 26 -
5-2. CIRCUIT BOARD LOCATION
5-3. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS
Note :
•
All capacitors are in µF unless otherwise noted.
•
pF : µµF 50WV or less are not indicated except for
electrolytic types.
•
Indication of resistance, which does not have one for
rating electrical power, is as follows.
Pitch : 5mm
Electrical power rating : 1/4W
•
Chip resistors are 1/10W
•
All resistors are in ohms.
k = 1000 ohms, M = 1000,000 ohms
•
: nonflammable resistor.
•
: fusible resistor.
•
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have
characteristic curve B, unless otherwise noted.
•
All voltages are in Volts.
•
Readings are taken with a 10Mohm digital mutimeter.
•
Readings are taken with a color bar input signal.
•
Voltage variations may be noted due to normal production
tolerences.
•
: B + bus.
•
: B - bus.
•
: RF signal path.
•
: earth - ground.
•
: earth - chassis.
Reference Information
RESISTOR
RN
: METAL FILM
RC
: SOLID
FPRD
: NON FLAMMABLE CARBON
FUSE
: NON FLAMMABLE FUSIBLE
RS
: NON FLAMMABLE METAL OXIDE
RB
: NON FLAMMABLE CEMENT
RW
: NON FLAMMABLE WIREWOUND
: ADJUSTMENT RESISTOR
COIL
LF-8L
: MICRO INDUCTOR
CAPACITOR
TA
: TANTALUM
PS
: STYROL
PP
: POLYPROPYLENE
PT
: MYLAR
MPS
: METALIZED POLYESTER
MPP
: METALIZED POLYPROPYLENE
ALB
: BIPOLAR
ALT
: HIGH TEMPERATURE
ALR
: HIGH RIPPLE
Les composants identifiés par une trame et
par une marque sont d'une importance
critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
specified.
Note :
The components identified by shading
and marked are critical for safety.
Replace only with the part numbers
specified in the parts list.
Note :
CVM Board
A Board
S1 Board
VM
C
H
D1
A
J
A2
N
D
A1
D2
C
A
5-1. BLOCK DIAGRAMS (3)
A(0)
A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
CN0001
IC0002
MICRO CONTROLLER
M ( )
MICRO PROCESSOR
IC0001
NVM MEMORY
7
8
SCL
6
5
9
SDA
28
24
LED
LED
76
10
SIRCS
SIRCS
AGC
AGC
22
40
MODE 3
AGC
29
25
OVP
80
11
GROUP DELAY
24
23
OCP
OVP/OCP
59
15
COINCIDENCE
GROUP DELAY
17
13
MAIN RY
OCP FLAG
16
14
DGC RY
COINCIDENCE
46
20
B TEXT
B TEXT
47
19
G TEXT
G TEXT
25
22
RESET AUDIO
RESET AUDIO
48
18
R TEXT
R TEXT
13
36
AUDIO MUTE
AUDIO MUTE
COR*
12
FS 100
52 VDS
4
35
MODE 1
MODE 1
AV LINK
2
34
MODE 2
MODE 2
18
37
LINE MUTE
MUTE LINE
53
17
H SYNC
H SYNC
55
16
V SYNC
V SYNC
32
21
TXT VIDEO
TXT VIDEO
96
38
RESET 100
RESET 100
5
39
KEY
KEY
97
7
12C DISABLE
12C DISABLE
82 SDA 0
81 SCL 0
71
70
6
MODE 3 (1)
94
6
MODE 3 (2)
93
MAIN RY
DGC RY
43
MAIN RELAY DRIVER Q0002
DEGAUSING COIL RELAY
DRIVER Q0003
12C SWITCH
Q0007, Q0008
12C SWITCH
Q0009, Q0010
49
A(0)
40
A(1)
39
A(2)
38
A(3)
27
A(4)
26
A(5)
23
A(6)
15
A(7)
67
A(8)
66
A(9)
65
A(10)
64
A(11)
37
A(12)
36
A(13)
8
A(14)
33
A(15)
51
A(16)
50
A(17)
9
RD*
10
WR*
85
D(0)
86
D(1)
87
D(2)
88
D(3)
89
D(4)
90
D(5)
91
D(6)
92
D(7)
IC0005
SRAM
(TELETEXT PAGES STORAGE)
20
19
18
17
16
15
14
13
3
2
31
1
12
4
11
7
10
9
32
5
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
21
22
23
25
26
27
28
29
RESET AND SWITCH
Q0012, Q0013
-
+
IC0004
COMPARATOR
(AV-LINK CIRCUIT)
1
+
-
7
8
5
IC0003
RESET CIRCUIT
3
TO A BOARD
CN0101
DISABLE
DRIVER
Q0011
5
6
4
3
2
X0001
D0001
84
83
98
73
NVM WL*
RESET
SCL 1
SDA 1
XTAL OUT
XTAL IN
78
AV LINK OUT
79
AV LINK IN
VM
5
4
QP (+)
QP (-)
4
7
8
2
3
VM
VM
1
QP (+)
QP (+)
QP (-)
QP (-)
VM ( )
VELOCITY
MODULATION
CN7444
QP-
QP+
VM
NECK ASSY
VM BUFFER
Q7408, Q7409
VM AMPLIFIER
BUFFER
Q7400, Q7401
VM BUFFER
Q7402
VM BUFFER
Q7404
VM AMPLIFIER
BUFFER
Q7405
VM AMPLIFIER
BUFFER
Q7403
VM OUT
Q7406
VM OUT
Q7407
1
CN7442
TO A BOARD
CN7000
VM Board
C Board
A Board
M Board
G Board
F5 Board
D Board
H6 Board
Содержание FD Trinitron WEGA KV-32CS70
Страница 34: ...A B C D E F G H I J K L M N 1 2 3 4 5 6 7 8 9 10 11 34 A Printed Wiring Board Conductor side A ...
Страница 35: ...A B C D E F G H I J K L M N 1 2 3 4 5 6 7 8 9 10 11 35 A Printed Wiring Board Conductor side B ...
Страница 44: ...A B C D E F G H I J K L M N 1 2 3 4 5 6 7 8 9 10 11 44 M Board Schematic Diagram Micro Processor ...