- 26 -
5-1. BLOCK DIAGRAMS (2)
Y IN 100
BLK 100
H SYNC
V SYNC
RED IN 1
GREEN IN 1
BLUE IN 1
RED IN 2
VIDEO RF
V IN 1
BLK 1
BLK 2
GREEN IN 2
BLUE IN 2
100Hz BUFFER
Y SCAN RATE
BACKEND
Q3300
CN0101
SCAN RATE CONVERTER,
COLOUR DECODER AND I/O
VIDEO SWITCH
IC3200
A 2/2 ( )
VIDEO AND AUDIO PROCESSORS,
AUDIO OUTPUT, VERTICAL DEFLECTION
2 AY OUT 100
8 NC
H OUT 100
23 V OUT 100
39
40
41
R IN 1
46
G IN 1
47
B IN 1
48
R IN 2
52 CVBS 1
CVBS 2
5
AGC
17
FBL 1
38 FBL 2
37
G IN 2
B IN 2
79
76
70
69
63
62
61
58
57
56
55
54
TO G BOARD
CN6008
AU OUT 100
AY OUT 100
X IN
CVBS OUT 2
CVBS OUT 3
CVBS 7
CVBS 6
CVBS 3
X OUT
CVBS OUT 1
CVBS 5
CVBS 4
53
CVBS PIP
C FRONT
Y/CVBS FRONT
V IN 2
C IN 3
V/Y IN 3
100Hz BUFFER
U SCAN RATE
BACKEND
Q3302
4
CS
3
SDA
2
SCL
7
12C DISABLE
KEY
TXT VIDEO
V SYNC
H SYNC
LINE MUTE
MODE 2
AV LINK
MODE 1
FS 100
AUDIO MUTE
R TEXT
RESET AUDIO
G TEXT
B TEXT
DGC RY
MAIN RY
COINCIDENCE
OCP
GROUP DELAY
OVP
MODE 3
AGC
SIRCS
LED
SDA
SCL
PART OF
OVERVOLTAGE
PROTECTION
Q5816
COINCIDENCE
DETECTOR
Q1005
VIDEO RF
CVBS TXT
V SYNC
H SYNC
12 C ADAPTOR
5V - 3.3V
Q3500
12 C ADAPTOR
5V - 3.3V
Q3501
OVP
+3.3V
2
1
CN6200
TO M2 BOARD
CN0001
CN0102
SERVICE CONNECTOR
TO A BOARD
SHEET 1
6dB AMPLIFIER
FOR THE
SELECTABLE
OUTPUT CVBS
(3RD SCART)
Q3200
6dB AMPLIFIER
FOR THE
SELECTABLE
OUTPUT CVBS
(3RD SCART)
Q3202
100Hz BUFFER
U SCAN RATE
BACKEND
Q3301
6dB AMPLIFIER
FOR THE
MONITOR
OUTPUT CVBS
(2ND SCART)
Q3204
V OUT 3
6dB AMPLIFIER
FOR THE
MONITOR
OUTPUT CVBS
(2ND SCART)
Q3201
V OUT 2
V IN 100
U IN 100
39
21
16
17
37
34
5
35
12
36
18
22
19
20
14
13
15
23
11
25
6
40
10
24
9
8
PICTURE TUBE
CN7301
+12V
R-
TO D BOARD
HV (T8800)
R
G
B
HV
VOLTAGE DET
Q7354, 7350
8
VO
IC7350
VIDEO OUT (BLUE)
8
VO
IC7325
VIDEO OUT (GREEN)
1
VB
8
VO
IC7300
VIDEO OUT (RED)
8
9
10
13
5
HEATER
5
G2
RV7375
CN7300
TO D BOARD
CN8614
J7376
C
(
)
R, G, B OUT
3
VI
5
IK
1
VB
3
VI
5
IK
1
VB
3
VI
5
IK
STANBY SW
Q7353
1
2
3
4
5
6
9
STANBY SW
Q7352
STANBY SW
Q7355
R+
G-
G+
B-
B+
IK
TO A BOARD (1/2)
CN7001
DYNAMIC
FOCUS
T8901
D2 ( )
14
G2
16
FV
1
18
19
12
15
13
HV
17
8
9
7
10
5
6
4
3
11
HV OVERSHOOT
PROJECT
Q6816, Q6817
SS RESET
Q6814,
Q6813
ABL
PROTECT
Q6807
6
1
3
DYNAMIC
FOCUS
Q8918
5
7
6
UNDER VOLTAGE
PROTECT
Q6808
4
3
200V
1
3
2
7
5
6
1
2
3
BUFFER
Q6803
16
12
1
9
15
2
200V
Q6804,
Q6805
Q8909
AFC
PULSE
DETECT
Q6801,
Q6802
AFC PULSE
TO A BOARD (1/2)
CN5802
CN6801
1/2
V SENSE
F/B
VG(H)
VS
VG(L)
IC6800
DF DRIVE
ABL
8
7
6
IC6801
IC6807
IC6803
CATHODE
REF
IC6802
T6800
4
5
HOP OVP
HPROT
CN6801
2/2
TO A BOARD (1/2)
CN5802
DYNAMIC PICTURE
STABILISING CIRCUIT
1
RY SIGNAL
CN6804
TO M2 BOARD
CN0003
TO A BOARD (1/2)
CN2000
TO A BOARD (1/2)
CN2502
VIDEO
HEADPHONES
R
L
WOOFER MUTE
CN2910
R OUT
R IN
L IN
CN2909
AUDIO L
AUDIO R
Y/CVBS
C
1
2
3
5
6
9
4
2
J2901
1
2
4
3
Y/C
CN2900
H1( )
FRONT AV INPUT,
HEADPHONE AND
CONTROL SWITCHES
6
L OUT
1
S0900 - S0905
Содержание FD Trinitron KV-32FQ70B
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 A ...
Страница 36: ...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 36 A Printed Wiring Board Conductor side B ...
Страница 41: ...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 41 G Board Schematic Diagram Power Supply ...
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 M2 Board Schematic Diagram Micro Processor ...
Страница 47: ...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 47 D Board Schematic Diagram Deflection ...