A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
LUMINANCE SIGNAL
AUDIO SIGNAL
R.SIGNAL
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL
X602
3.579545MHz
L603
100uH
CP601
173979-6
1
2
3
4
5
6
CF604
TPS4.5MB
CF603
SFSH4.5MCB
IC601
M61203CFP
IF/CHROMA AUDIO IC
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
7
8
9
OUT
OUT
G
IN
IN
CF601
SAF45MFY220ZR
SAW FILTER
1
2
3
4
5
R641
22K +-1%
C638
0.47
50V
KANP
Q604
2SD734
REG
Q605
2SD734
REG
Q601
2SD734
REG
Q603
2SD734
BUFFER
Q606
2SD734
REG
Q610
2SC2412K
BUFFER
D601
1SS133
D605
11E1-EIC
D607
1SS133
CC003
TP601
JWF-50K-1
AUDIO_DET
L608
6.8uH
L605
1uH
L601
1.2uH
L607
15uH
L606
1uH
D606
MTZJ12B
D602
MTZJ8.2B
D610
MTZJ6.8B
D608
MTZJ12B
D609
MTZJ12B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
R631
100 1/4W
R630
100 1/4W
R627
100 1/4W
R611
10K
R617
2.7K
R613
100
R624
2K
R648
100
R626
10K
R635
100
R603
1.5K
R621
2.2K
R634
10K
R609
330
R642
390K
R625
2.2K
R619
2.2K
R632
100 1/2W
R639
100
R628
100
R629
100
R623
120
1/4W
R644
100
R622
220
R615
470
R606
10K
R638
12K
R646
47K
R633
8.2K
R618
10M
R602
1K
R601
4.7K
R604
100
R637
1K
R650
1.8K
R636
33K
R605
4.7K
R614
2.2K
R647
100
R640
470
R643
1.2K
R645
10
R616
82
R652
18
C601
2200
6.3V
YK
C640_1
47
16V
YK
C612_1
1000
16V
YK
C605
0.47
50V
KA
C624
47
16V
YK
C632
2.2
50V
KA
C645
47
6.3V
KA
C614
47
10V
KA
C630
47
10V
KA
C635
47
16V
KA
C619
2.2
50V
KA
C610
0.22
50V
KA
C644
100
10V
YK
C625
1
50V
KA
C606
0.22
50V
KA
C603
1
50V
KA
C604
1
50V
KA
C655
0.22
50V
KA
C656
2.2
50V
KA
C658
1000
6.3V
YK
C620
0.0068
M
C647_1
0.01 B
C623_1
120P CH
C651_1
100P
CH
C650
220P
B
C613
1 TF
C634
0.01
F
C636
0.01
F
C616
15P
CH
C631
0.01
F
C622
0.015
M
C621
0.01
F
C607
0.01
F
C626
0.001 B
C653
0.1 F
C648
0.1 F
C652
0.1
F
C661
0.01 F
C618
100P
CH
C639
0.01
F
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.
NOTE:
TUNER VIDEO SIGNAL
W832
W818
W840
W843
AT+10V
Y_VIDEO
VIDEO_IN
VIDEO
5V
AUDIO_DET
FBT+8V
V_OUT
ABCL
V_FEEDBACK
GND
H_OUT
H_SYNC
B.OUT
IF
G.OUT
Y_VIDEO
AT+5V
R.OUT
SYNC
TUNER+5V
CLAMP
RESET
AFT
AGC
GND
HD
POWER
OSD_B
OSD_BLK
OSD_G
VD
OSD_R
I2C_OFF
SDA
SCL
AT+5V
7
6
FROM/TO MICON/TUNER
TO AV
FROM/TO AV
G-4
G-3
(MAIN PCB)
CHROMA SCHEMATIC DIAGRAM
TEST POINT
INT.MONI
B.OUT
IIC_OFF
SDA
SCL
GND
FROM/TO DEFLECTION/CRT
TO SOUND AMP
FROM TV POWER
PCB010
TMX474
8.7
8.1
11.3
3.8
5.5
4.3
5.6
NC
Y SW OUT
ACL/ABCL
AUDIO OUT
46 SW REG CONT
16 B OUT
17 V OUT
1 VIF IN
64 VIF IN
32 X’TAL
33 8.7V REG OUT
34 EXT C in
49 QIF OUT
48 IF AGC
47 LIMITER IN
5.7V REG OUT(FOR CPU)
VIF Vcc
MCU RESET
INTELLIGENT MONI
RF AGC FILTER
G OUT
SPOT KILLER
FAST BLK
VIDEO/CHROMA GND
5v REG
TV/Y IN
CHROMA APC FILTER
R IN
V PULSE OUT
G OUT
fsc OUT
VIDEO CHROMA Vcc
V RAMP CAP
V RAMP FEEDBACK
B IN
STRAT UP Vcc
POWER ON CONT
INV FBP OUT
H VCO F/B
SDA
H OUT
DEF
AFC FILTER
R OUT
Hi Vcc
FM DIRECT OUT
EXT AUDIO IN
AUDIO BYPASS
VIF VCO F/B
VREG Vcc
VIF APC FILTER
QIF IN
VIF VIDEO OUT
VIF GND
AFT OUT
RF AGC OUT
SCL
FBP IN
NC
8.9
2.3
2.9
4.9
8.2
4.9
8.2
5.6
8.2
4.9
5.6
2.3
2.2
3.6
3.2
8.8
2.8
2.6
0
0
2.6
2.8
2
2.6
1.5
1.6
5
5
2.6
4.8
6.4
6.4
0
0
5
5
5
5
2.8
2.5
2.6
4.6
8
8
3
6
0
5
5
7.2
0
0
5
0
2.2
3.6
2
8.5
3.2
2.8
0
0
5.6
3.2
8.6
4.9
4
8
8
1
2
2.6
8
9
10
12
11
13