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CHASSIS DESCRIPTION
Video signal rooting
IF Stage
IC101
IF/VIDEO/
CHROMA
<TDA9321H>
SAW Filter
2
3
10
SIF
Filtering
circuit
12
13
Buffer
14
18
20
21
AV1
AV2
SELECTOR
AV3
CIRCUIT
AV4
Audio signal rooting
Aerial
L/R
SCART1
AV1
TV-OUT
MONITOR
OUT
SCART2
L/R
AV2
L/R
11, 16
SCART2
AV3
1, 14
L/R
IC1202
FRONT
NJM2284
AV4
Y, U, V
49
DIGITAL
50
51
SCAN
CONVERTER
H-Sync
60
CIRCUIT
V-Sync
61
36
External RGB in
|
38
(AV1 In)
34
AV
CVBS (TeleText)
X131
Tuner
SAF
Q131
63
63
64
44
TDA9321
IF/VIDEO/
IF/VIDEO/
CHROMA
CHROMA
L/R
Q1215
Q1217
22,24
TV-IN
42
40
SC1-IN
32
2
33
4
SC2-IN
8
IC1201
10
MM1313
AV
SELECTOR
SC3-IN
25
5
26
19
6
20
FROM
CPU
IC241
IC351
SHARPNESS
MATRIX
<TDA9178>
<TDA9330H>
2(Y, U, V)
6
19
26
8
17
27
9
16
28
2HD
24
2VD
23
30-38
RGB OSD
DISPLAY from CPU
IC801
CPU
SIF
5
4
5
IC101
MONO
21
60
SCL/SDA
61
43
IC3451
44
TDA9875
DIGITAL
TV SOUND
PROCESSOR
Q1223
Q1224
L/R
23
24
4
IC731
R-VIDEO OUT
<TDA6101Q>
R
3
8
40
5
IC721
G-VIDEO OUT
<TDA6101Q>
G
3
8
41
5
IC711
B-VIDEO OUT
<TDA6101Q>
B
42
3
8
5
IK
38
DIGITAL SOUND PROCESSOR
IC3102
LC3564BM
IC3101
AK7706VYM
IF/VIDEO/
DSP
CHROMA
IC001
AUDIO
TA8200
AMP
+
2
4
7
11
L
53
R
R
52
IC807
PCF8574
Q001
12
MUTE
2
I
C BUS
14
SCL/SDA
15
I/O
EXPAMDER
Picture Tube
Fig.-2
12
L
L
SPEAKER
R
SPEAKER
HEADPHONE
JACK
Fig.-3
WB5-B chassis
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