Sony TrinitronKV-28FX66B - Block Diagrams

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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 SWTICH
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
B20
12C DISABLE
A20
KEY
A19
TXT VIDEO
B17
V SYNC
A17
H SYNC
B16
LINE MUTE
B15
MODE 2
A15
AV LINK
A14
MODE 1
B13
FS 100
A13
AUDIO MUTE
B12
R TEXT
A12
RESET AUDIO
B11
G TEXT
B10
B TEXT
A9
DGC RY
B8
MAIN RY
A8
COINCIDENCE
B7
OCP
A7
GROUP DELAY
B6
OVP
B5
MODE 3
A5
AGC
B4
SIRCS
A4
LED
B3
SDA
A3
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
SHEET1
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
PICTURE TUBE
CN7301
+12V
R-
TO D BOARD
HV (T6800)
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
TO D BOARD
FV (T6800)
G4
G2
13
H1
3
H1
5
G2
RV7375
CN7300
TO D BOARD
CN6500
FV
J7375
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
CN7001
TO A BOARD
CN2000
TO A BOARD
CN2502
VIDEO
HEADPHONES
R
L
WOOFER MUTE
CN2908
R OUT
R IN
L IN
CN2906
AUDIO L
AUDIO R
Y/CVBS
C
1
2
3
5
6
9
4
2
J2900
1
2
4
3
Y/C
CN2900
H2( )
FRONT AV &
HEADPHONE
J2900
6L OUT
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
43
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
Q6802, Q6803
AFC
PULSE
TO
A BOARD
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 OV
HPROT
CN6801
2/2
TO
A BOARD
CN5802
DYNAMIC PICTURE
STABILISING CIRCUIT