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
Q203
2SA1037AK
TV BUFFER
L603
47uH
L201
100uH0305
L202_1
0.82uHELF0505
L601
47uH
L205
47uH
L604
47uH
L602
100uH
C204
10
16V
KA
C619
1000
6.3V
YK
C209
0.47
50V
KA
C624
100
10V
YK
C924
100
10V
YK
C612
2.2
50V
KA
C630
0.22
50V
KA
C917
4.7
50V
KA
C925
0.33
50V
KA
C929
3.3
16V
TT
+-10%
C918
4.7
50V
KA
C919
2.2
50V
KA
C921
10
16V
TT
+-10%
C642
4.7
50V
KANP
C625
4.7
50V
KANP
IC902
AN5829S
SOUND DECORDER IC
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
3
4
5
6
7
8
9
IC201
TB1253N
CHROMA
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
6
7
8
9
CF201
EFCT4R5YS5A
CF203
EFCT4R5MW5
OUTOUT G IN IN
CF202
SAF45MFX220ZR
1
2
3
4
5
X601
3.579545MHz
IS NON POLAR ONE.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
THE RESISTOR MARKED F IS FUSE RESISTOR.
NOTE:
CD701B
CH244001
1
2
3
4
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
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:
R209
33K
R618
270K
R616
100
R617
100
R624
1.5M
R625
150K
R221
220
1/4W
R219
470
R217
6.8K
R220
68
R218
2.2K
R604
470
R605
10K
R203
1.2K
R223
150
R904
470
R905
470
R907
100
1/4W
R909
10M
R908
100
1/4W
R632
150K
R615
1.8K
R623
10K
R213
330
R609
100
R611
100
R613
100
R210
150
R205
100
R204
220
R215
470
R201
1K
R202
1K
R607
2.2K
R603
8.2K
R608
270 1/4W
R747
75
R750
75
R212
3.3K
R602
1K
R214
270
R211
2.2K
R619
33K
R610
2.7K
R612
2.7K
R614
2.7K
R906
220K
R636
2.2K
R635
33K 1/4W
C629
0.0022
B
C206
0.1
B
C618
0.01
B
C626
0.012
B
C636
0.1 B
C220
0.1 B
C221
0.01 B
C222
0.01
B
C637
3P
CH
C201
0.01
B
C227
470P
CH
C966
0.1
B
C967
0.1
B
C926
0.047
B
C928
0.1
B
C931
0.1
B
C207
5P CH
C212
0.1 B
C218
0.01
B
C208
0.01
B
C620
0.1
B
C621
0.1
B
C622
0.1
B
C623
0.01
B
C631
39P
CH
C632
39P
CH
C927
0.022
B
C922
0.022
B
C610
0.68 TF
C215
33P
CH
C210
0.0022
B
C638
100P
CH
C609
0.022
B
C617
0.01
B
C603
0.1
B
C605
0.1
B
C606
0.1
B
C601
0.1
B
C634
0.22
B
C607
0.01
B
C633
0.1
B
C202
0.01
B
C611
0.47
TF
C627
8P
CH
C602
0.1 B
C959
0.1
B
C965
0.1
B
C932
0.1
B
C930
0.1
B
W849
W848
W816
W820
W847
W839
W844
W840
W830
W842
D604
MTZJ6.2B
D603
MTZJ6.2B
D602
MTZJ6.2B
D612
MTZJ6.2B
D201
MTZJ12B
C203
100
16V
YK
C640
1000
16V
YK
C935
4.7
50V
KA
C214
10
16V
KA
C211
0.22
50V
KA
C213
100
10V
YK
C615
100
10V
YK
C616
47
16V
KA
C216
10
16V
KA
C604
1
50V
KA
C608
10
16V
KA
D605
11E1-EIC
D614
1SS133
D613
1SS133
D611
1SS133
Q204
2SC2814
PRE AMP
Q202
2SC2412K
TV BUFFER
Q604
2SC2412K
V.BLK
Q201
2SC2412K
AUDIO
BUFFER
L203
2.2uH
L204
12uH
L901
22uH
TP901
AUDIO_L
S802Y
S804Y
S804X
S803X
S803Y
C.OUT
Y.OUT
SYNC_OUT
TUNER_VIDEO
SDA
SCL
OSD_B
OSD_G
OSD_R
OSD_BLK
R.OUT
GND_POWER
GND_SIGNAL
P.CON+9V
P.CON+5V
V.OUT2
H.OUT
AFC
EW_OUT
ABCL
VM_OUT
AFT_OUT
B.OUT
AGC
G.OUT
IF
R.OUT
V.OUT1
FSC_OUT
TUNER_AUDIO_L
TUNER_AUDIO_R
(MAIN PCB)
CHROMA / IF SCHEMATIC DIAGRAM
PCB010
TMX481
5.0
5.0
FROM/TO AV
FROM/TO POWER
NC
IF GND
IF DET OUT
LOOP FILTER
IF VCC(9V)
V REF
DE-EMPH
DC NF FILTER
EXT AUDIO IN
Y CLAMP FILTER
APL DET FILTER
CVBS EXT IN
U IN
V IN
C IN
CVBS OUT
BLACK DET FILTER
DIG GND
V OUT
V RAMP
H VCC(9V)
H AFC FILTER
H OUT
SYNC OUT
X-RAY
FBP IN/GP OUT
SIF/H CORR IN
IF VCC(5V)
VCO ADJ FILTER
AUDIO OUT
AFT OUT
X’TAL(3.58MHz)
IF AGC
RF AGC
APC FILTER
IF IN
IF IN
CW OUT
YC VCC(5V)
R OUT
G OUT
B OUT
YC GND
SVM OUT
YS/YM IN
EXT R IN
EXT G IN
EXT B IN
RGB VCC(9V)
SCL
SDA
EHT IN
CVBS LNT IN
IK IN
ABCL IN
DIG VDD
EW OUT
2.3
6.2
0.6
1.3
FROM/TO AV
0
0
9.0
5.0
0
9.0
FROM/TO MICON/TUNER
5.0
9.0
9.0
FROM/TO MICON/TUNER
FROM/TO AV
5
6
7
8
9
10
11
12
13
14
15
FROM/TO DEFLECTION
Noise
Det
Spectral
RMS Det
SAP
Filter
Noise
Filter
Spectral
Filter
SAP
Det
Stereo
Filter
GND
Input
VCA
Pilot
Det
St.PLL
Cancel
Pilot
Spectral
Expand
dbx De-Emph
SAP
Demod
Wide Band
RMS Det
Wide Band
Filter
L+R Filter
L+R Demod
IIC Decoder
L-R Demod
L-R Filter
fH.2fH Trap Filter
ZAP
OUT SW
AGC
Matrix
Offset
Cancel
Offset
Cancel
Wide Band
Expand
DAC
(L-R)/SAP
Switch
De-Emph
75us
SAPout
Filter
0
2.3
2.3
2.2
2.2
0.4
Vcc
5.1
2.4
2.4
0.4
2.3
3.4
9.0
3.1
3.7
2.4
3.1
3.5
4.1
9.0
4.1
2.4
2.4
3.7
2.8
3.6
2.4
2.5
1.9
2.4
2.5
2.5
2.5
2.7
1.5
6.0
4.9
3.0
0
0
0
0.1
2.7
3.2
2.1
2.0
2.9
1.6
4.8
4.8
4.8
0
2.2
0.1
2.2
2.2
2.2
1.1
6.0
7.1
4.0
2.1
0
6.0
3.4
2.0
4.2
0
0
2.3
2.3
2.3
2.3
NC
0
5.0
5.0
0
3.7
3.6
2.6
3.7