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A
B
FROM/TO AV
8
C_V_OUT_SW
Y_V_OUT_SW
TUNER_VIDEO
5
R214
270
TUNER_AUDIO_L
TUNER_AUDIO_R
7
1
FROM AV
TV BUFFER
2
NC
TV BUFFER
CD701B
3
2SC2412K
Q203
CH243001
L204
4
NC
2SA1037AK
2.4
R210
15uH
3.1
68
0
CF203
6
TPSRA4M50C00-A0
TO DIGITAL COMB/FILTER
FSC_OUT
5
FROM POWER
GND
4
P.CON+9V
P.CON+5V
AT+5V
FROM/TO MICON/TUNER
AFT_OUT
AGC
W844
IF
3
CF204
MKT47.3MC110P-TF
2
CAUTION: DIGITAL TRANSISTOR
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A
B
C
CHROMA/IF SCHEMATIC DIAGRAM
9.0
3.7
AUDIO
3.1
BUFFER
C213
Q201
2SC2412K
16V
100
YK
C212
R205
9.0
0.01 B
Q202
4.1
100
6
3.5
0
4.1
2.4
9.0
2.4
3.7
2.8
3.6
2.4
2.5
56
55
54
53
52
51
50
49
48
47
1
2
3
4
5
6
7
8
9
10
3.0
5.0
0
0
0
0.1
2.7
3.2
2.1
2.0
NC
12
W839
C220
0.0022 B
C221
6.2
0.01 B
PRE AMP
1.3
Q204
KTC3881S-RTK
FILTER,SAW
0.6
CF202_1
1
2
3
4
5
IN
IN
G
OUT
OUT
SAFGP45M7VFGZ00B
C935
50V
4.7
YK
C
D
E
(MAIN PCB)
7
9
C615
R608
16V
100
270
YK
1/4W
8
NC
1.9
2.4
2.5
2.5
2.5
2.7
1.5
0
6.0
4.9
9.0
7.1
4.0
2.1
46
45
44
43
42
41
40
39
38
37
36
35
34
33
11
12
13
14
15
16
17
18
19
20
21
22
23
24
2.9
1.6
5.0
4.8
4.8
4.8
0
2.2
0.1
2.2
2.2
2.2
9.0
5.0
NC
C602
0.1 B
13
14
15
NC
NC
NC
2.3
2.3
2.3
2.3
0
5.0
5.0
0
3.7
3.6
2.6
3.7
24
23
22
21
20
19
18
17
16
15
14
13
GND
Det
VCA
Det
OUT SW
DAC
ZAP
IIC Decoder
St.PLL
AGC
Pilot
Input
SAP
Switch
L-R Filter
L-R Demod
Cancel
Matrix
De-Emph
(L-R)/SAP
Pilot
Filter
Filter
Filter
75us
L+R Filter
L+R Demod
Stereo
Noise
SAP
Filter
Cancel
SAPout
Demod
Filter
Filter
Offset
fH.2fH Trap Filter
SAP
Wide Band
Spectral
Expand
Cancel
Wide Band
RMS Det
Expand
RMS Det
Det
Offset
dbx De-Emph
Wide Band
Spectral
Spectral
Noise
2.3
Vcc
1
2
3
4
5
6
7
8
9
10
11
12
0
2.3
2.3
2.2
2.2
0.4
5.1
2.4
2.4
0.4
2.3
3.4
NC
NC
D
E
F
G
11
10
W820
NC
0
6.0
3.4
2.0
32
31
30
29
25
26
27
28
5.0
1.1
9.0
6.0
R625
150K
C636
0.1 B
W804
3.6
R635
2.0
V.BLK
33K
Q604
0
PROTECT
2SC2412K
Q601
KRA102SRTK
0
0
5
0
R638
4.8
PROTECT
1K 1/4W
Q603
0
R640
2SC2412K
4.7K
TUNER AUDIO SIGNAL
TUNER VIDEO SIGNAL
LUMINANCE SIGNAL
COLOR SIGNAL
DEFLECTION SIGNAL
L901
R.SIGNAL
22uH
G.SIGNAL
B.SIGNAL
F
G
H
8
FROM/TO MICON/TUNER
SYNC_OUT
SDA
SCL
OSD_B
7
OSD_G
OSD_R
OSD_BLK
PROTECT
6
5
4
FROM/TO DEFLECTION
V.OUT2
H.OUT
ABCL
B.OUT
G.OUT
3
R.OUT
AFC
V.OUT1
2
PCB010
TMA532
1
H
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