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A
B
8
FROM/TO AV
VIDEO_IN2
V_IN[YUV]
VIDEO_IN1
U_IN[YUV]
Y_IN[YUV]
VIDEO_IN3
VIDEO_OUT
7
FROM/TO COMB/FILTER
C_V_OUT_SW
P.CON+5V
Y_V_OUT_SW
VIDEO_OUT
6
P.CON+8V[A]
FSC_OUT
FROM/TO TUNER/STEREO
TUNER_VIDEO
TUNER+5V
5
P.CON+8V[B]
P.CON+5V
TO SOUND
6dB AMP
Q603
P.CON+8V[B]
KTC3875S_Y_RTK
4
FROM POWER
UNREG+12V
GND
FROM/TO DEFLECTION
3
P.CON+5V
P.CON+8V[A]
GND
V_OUT
EW_OUT
H.OUT
H_SYNC
ABCL
2
1
A
B
G-3
C
CHROMA SCHEMATIC DIAGRAM
R603
330
1/2W
2.7
0
3.0
48
47
46
2.2
C641
C IN(Y/C)
R602
R649
0.1
B
7.2
5.0
0
NC(GND)
12
3W
12
3W
C642
3.0
5.0
7.2
5.5
P.CON+5V REG
Y IN(Y/C)
Q606
50V
1
KA
8.7
KTC3209_Y
5.5
VREG VCC
P.CON 5V REG
7.2
5.0
Q604
1.9
KTC3209_Y
CVBS4
P.CON 5V REG
W816
5.7
5.5
Q602
5.7V VREG OUT
KTC3209_Y
C640
3.2
fsc OUT
0.01
F
0
NC
NC
0
FAST YUV
2.8
DELAYDE Y OUT
6dB AMP
6dBAMP
Q605
3.0
Q614
KTC3875S_Y_RTK
EW OUT
7.3
7.9
KTA1504S_Y_RTK
7.8
C608
3.0
7.3
3.8
VIDEO LINE OUT
2.3
16V
47
YK
8.7
1.7
3.8
2.2
8.7 VREG OUT
4.0
R613
VRAMP AGC CAP
4.0
390
V OUT
4.0
VRAMP CAP
1
2
3
R601
3.2
4.0
0
15 1/2W
11.3
7.9
P.CON 8V REG
8.5
Q611
7.9
11.3
KTC3209_Y
P.CON 8V REG
8.5
Q601
KTC3209_Y
R609
100
R619
16V
1K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
R616
8.8
120 1/2W
5.5
R617
100
0
1.2
0
1.9
5.0
1.2
0
1.9
5.6
2.8
0
3.2
0
45
44
43
42
41
40
39
38
37
36
35
34
33
3.6
Y SW OUT
0
NC
NC
5.0
MCU RESET
3.5
MCU CLOCK OUT
NC
5.0
47 NC(GND)
33 V/C GND
P_CON CONT
48 Y IN(YUV)
34 XTAL 3.58
3.5
SCL
3.5
SDA
4.9
CHROMA IC
CLK CONT
NC
IC601
4.2
M61283FP R70T
FAST BLK
2.9
R IN
1 HVCO F/B
15 G OUT
2.9
G IN
2 AFC FILTER
16 B OUT
2.9
B IN
4.6
V PULSE OUT
4.9
INV.FBP OUT
4.9
MONITOR OUT
2.1
ACL
4
5
6
7
8
9
10
11
12
13
14
15
16
0
0
5.5
0
3.8
8.0
8.0
0
8.0
8.0
4.0
4.0
4.0
NC
NC
R635
56K
R636
1.5K
C636
0.0082
B
5.3
C601
SVM
1.4
Q610
47
KANP
KTC3875S_Y_RTK
0.7
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.
D
E
F
G
4.9
AT+5V REG
Q607
KTC3203_Y
R627
100
R628
100
C637
33P CH
C643
33P CH
C644
33P CH
W805
R629
D608
6.8K
11E1-EIC
R620
R623
100
R626
100 1/4W
100 1/4W
C604
0
100P CH
R647
0
4.7K
SVM OFF
0
Q613
KTC3875S_Y_RTK
R.SIGNAL
G.SIGNAL
B.SIGNAL
F
G
H
8
7
FROM/TO MICON
PROTECT
SW_Y_OUT
6
AT+5V
RESET
POWER
SCL
SDA
5
OSD_BLK
OSD_R
OSD_G
OSD_B
VD
HD
SYNC_OUT
OSD_Y
4
CLAMP_OFF
TO CRT/SVM
CD802
CP802A
(CP802B)
3
CU275101
B2013H02-7P
P.CON+8V
1
GND
2
R.OUT
3
G.OUT
4
B.OUT
5
CLAMP_OFF
6
VM COIL
7
2
PCB010
TMC559
1
H
G-4
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