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
S807Y
TU001
ENG36A49KF
DIGITAL/ANALOG TUNER W/NTSC_MPX
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
3
4
5
6
7
8
9
IC001
TC7W66FU
SW IC
1
2
3
4
5
6
7
8
CP2403B 0
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
4
5
6
7
8
9
IC002
BA00BC0WFP
REG.+3.3V IC
1
2
4
5
6
IC003
BA00BC0WFP
REG. +2.6V IC
1
2
4
5
6
IC004
PQ070VK02FZH
ACIC. 1.8V IC
1
2
3
4
5
IC005
PQ070VK02FZH
F/E 1.8V IC
1
2
3
4
5
HS001
763WAA0309
HS002
763WAA0309
R007
1 3W
R002
1 3W
R004
1 3W
C031
10
10V
KANP
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN
ETANT
ATTENTION
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
L003
100uH 0305
L004
22uH 0305
L001
22uH
0305
CAUTION: DIGITAL TRANSISTOR
Q009
KRA102SRTK
SW
CAUTION: DIGITAL TRANSISTOR
Q010
KRC103SRTK
SW
Q004
KRC103SRTK
SW
Q002
KRC102SRTK
DTV.P.ON_SWzz
Q005
2SC3841
-T1B_T63
IF AMP
Q007
2SC3841-
T1B_T63
IF AMP
Q006
2SC3841-T1B_T63
IF AMP
D003
1N4005-EIC
C038
470
10V
YK
C036
470
10V
YK
C034
470
10V
YK
C002
220
6.3V
YK
C022
220
6.3V
YK
C030
10
25V
KA
C010
100
10V
YK
C015
470
10V
YK
C023
100
10V
YK
C026
1000
10V
YK
C005
2200
10V
YK
C012
470
10V
YK
W844
W817
W801
W804
C014_1
220P
B
C009_1
220P
B
C004
0.1
B
C044
47P
CH
C029
47P
CH
C046
47P
CH
C028
47P
CH
C003
0.1
B
C042
0.01
B
C043
0.01
B
C033
0.33 B
C024
0.01
B
C019
0.1
B
C016
0.47
B
C018
0.01
B
C017
0.1
B
C027
0.0022 B
C040
0.1
B
C001
0.1
B
C007
0.1
B
C006
0.33 B C011
0.1 B
C021
0.33 B
C025
0.1 B
C037
0.33 B
C039
0.1 B
C035
0.1 B
R016
75
R017
2.7K
R015
12K
R014
12K
R006
180
1/4W
R001
2.2K
R010
100
R009
100
R018
1K
1/4W
R013
68
R025
4.7K
R008
2.2K
R031
82K
R019
390K
R022
4.7K
R023
1K
R029
15K
R030
8.2K
R003
22K
R005
1K
R011
3.9K
+-1%
R012
2.2K +-1%
R026
1K
+-1%
R028
100
R020
12K
R027
820
+-1%
R021
3.3K
R037
1K
R038
82
R040
1K
R039
470
R041
1K
R043
470
R044
1K
R042
68
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
B001
BLM18BD102SN1
Q003
KTA1271_Y
DTV.P.ON_SW
A_TUNER_CVBS
TU_I2C_DATA
TU_I2C_CLK
IF_OUT_1
IF_OUT_2
SIF_OUT
AFT_MAIN
IF_AGC
RF_SW
DTV_TX
DTV_RX
AFT_0[L/H]
AFT_1[L/H]
SD-H
DTV_POWER_ON-H
DTV_RESET
GND
DTV_POWER_ON-H
DTV_POWER_ON-H
SPDIF_OUT
TUNER_AUDIO[L]
TUNER_AUDIO[R]
GND
D_Y_OUT
D_Y_OUT
D_C_OUT
D_C_OUT
GND
TUNER_P.CON+5V
AFT_0[L/H]
DTV_TX
TUNER_AUDIO[L]
TUNER_AUDIO[R]
RF_SW
SIF_OUT
IF_AGC
IF_OUT_1
IF_OUT_2
AFT_1[L/H]
DTV_RX
TU_I2C_CLK
AT+5V
DTV_RESET
SPDIF_OUT
TU_I2C_DATA
SD-H
D_Y_OUT
D_C_OUT
GND
P.CON+9V
UN_REG.3V
UN_REG.6V
TUNER+30V
GND
FROM/TO AV OUT
(CP2403)
FROM CHROMA/IF
TO AV SW/SOUND AMP/TONE CTL
TO CHROMA/IF
4.9
4.9
2.3
3.3
1.6
3.3
1.3
31.4
3.3
G-10
G-9
3.2
0.0
5.0
5.0
1.8
2.4
5.0
0.5
0.0
0.5
1.8
PCB070
CME077
0
4.9
4.9
0
0
0
0.6
0
0
0
4.9
0.2
3.3
0
5.0
3.2
1.3
1.8
0
2.6
2.6
1.3
1.3
0
2.6
2.6
1.2
2.6
0
4.2
3.1
0
4.2
3.2
4.2
5.0
4.8
FROM POWER
TO COMB/FILTER
NC
NC
IF OUT1
IF OUT2
GND
GND
RF SW
V OUT
U OUT
Y OUT
DTV_RESET
SD-H
D P.CON+5V
D P.CON+2.6V
ACIC+1.8V
GND
GND
GND
GND
D.P.CON+3.3V
D P.CON+12V
GND
GND
AUDIO OUT L
AUDIO OUT R
F/E 1.8V
AUDIO MUTE-L
SPDIF OUT
AFT_0
AFT_1
SIF OUT
IF AGC
TU I2C CLK
TU I2C DATA
RX (DTV MAIN)
TX (DTV MAIN)
(
TV MT
PCB)
TUNER SCHEMATIC DIAGRAM
NC
0
0
0
0
1.87
1.86
0
0
1.87
4.85
5.01
5.01
0
0
5.01
NC
+5V
GND
V_OUT
AGC_OUT
AFT
SCL
SDA
AGC
TU
+30V
OOB
GND
+5V
+5V
SIF
IF SW
IF OUT
IF AGC
IF_OUT 1
IF_OUT 2
FRON/TO MICON
V_C
V_IN
V_OUT
GND
V_ADJ
V_C
V_IN
GND
GND
GND
V_IN
V_ADJ
ADJ
ADJ
V_IN
CTL
CTL
V_OUT
V_OUT
V_OUT
NC
NC