1-7-4
T6552BLT
TV Block Diagram
X301
4.43MHz
CL301A
CL302A
IC301
(VIDEO/A
UDIO/CHR
OMA/DEFLECTION/IF)
IC201
(SYSTEM CONTR
OL/OSD)
V
-SYNC
TEXT
-L
OSD-R
OSD-G
OSD-B
OSD-BLK
H-SYNC
SLO
W
-SW
C-VIDEO
C-VIDEO
RAPID-SW
OSD-G
OSD-R
OSD-B
59
58
60
62
63
64
82
TU1-VIDEO
TO
VIDEO BLOCK
TO
CR
T/H.V
. BLOCK
CL301B
TO
CR
T/H.V
. BLOCK
CL302B
BLUE
2
GREEN
1
RED
SD
A
SCL
TO
SER
V
O/SYSTEM
CONTR
OL BLOCK
TO
VIDEO
BLOCK
IC901
(TELETEXT DECODER)
REC VIDEO
SIGNAL
PB VIDEO
SIGNAL
Mode :
SP/REC
WF18
WF17
WF10
WF11
CN303
CN901
CN751
CN752
CN902
X901
(NO CONNECTION)
CN303 is used f
or
adjustment at f
actor
y
I
2
C-OPEN
3
FBP
2
H-DRIVE
1
AC
L
5
V
-RAMP-FB
4
V
-DRIVE
3
MAIN CB
A
32
21
17
12
13
30
28
20
27
11
10
14
31
15
16
6
7
43
36
VIDEO
34
CHR
OMA
TRAP
SERIAL
I/F
INTELLIGENT
MONIT
ORING
CHR
OMA
BPF
PA
L
DECODER
SECAM
DECODER
BASE BAND
1H DELA
Y LINE
SYNC
SEP
ARA
TION
LUMA
SIGNAL
PR
OCESS
CIRCUIT
H-SYNC
PR
OCESS
CIRCUIT
V
-SYNC
PR
OCESS
CIRCUIT
OSD MIX/RBG MA
TRIX/
BLANKING
TUNER
LINE/PB
TUNER
LINE/PB
CLOCK
CONTR
OL
CIRCUIT
37
23
36
50
49
35
32
33
34
41
42
40
SW CTL
IC703
(SW)
5
3
4
2
1
15
12
13
14
7
16
8
11
15
56
61
65
68
I
2
C I/F
TELETEXT
DECODER
OSC/CLOCK
GENERA
T
OR
TEXT CB
A
12MHz
OSC
JK703
10
9
11
Q710
Q702
Q706
Q704
+5V
+5V
Q711
SLO
W
-SW
-IN
RGB CONT
RAPID-SW
-IN
DISPLA
Y
TIMING
ADC/
D
A
T
A SLICER
INV
INT
.MONIT
OR
1
I
2
C-OPEN
2
SD
A
4
SCL
5
22
OSD-BLK
44
OSD-B
66
OSD-G
33
OSD-R
55
Y
-SW
-OUT
22
H-SYNC
44
SD
A
33
SCL
11
V
-SYNC
NO
TE FOR
WIRE CONNECT
ORS:
1.
PREFIX SYMBOL "CN" MEANS CONNECT
OR.
(CAN DISCONNECT AND RECONNECT
.)
2.
PREFIX SYMBOL "CL" MEANS
WIRE-SOLDER
HOLES OF
THE PCB
.
(WIRE IS SOLDERED DIRECTL
Y
.)
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
CR
OSS A HOLE IN
THE PCB
.
:USED
T
O INDICA
TE A
TEST POINT
WITH A COMPONENT LEAD ON FOIL SIDE.
:USED
T
O INDICA
TE A
TEST POINT
WITH NO
TEST PIN.
:USED
T
O INDICA
TE A
TEST POINT
WITH A
TEST PIN.
" " = SMD
