- 30 -
DD
CC
BB
O
P
EE
FF
Z
10
A
B
C
D
E
F
G
H
J
I
K
L
M
N
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
11
10
11
22
21
22
R
Q
O
P
EE
FF
S
T
U
V
W
X
Y
Z
AA
BB
CC
DD
A
B
C
D
E
F
G
H
J
I
K
L
M
N
12
13
14
15
16
17
18
19
20
21
20
18
19
17
15
16
14
12
13
Q
R
S
T
U
V
W
X
Y
AA
FE_TUNER_SWB_5V
2012
0uH
*FB7900
470
*R7932
FE_TUNER_SW
FE_TUNER_SW
I2C_SDA_SW
FE_TUNER_SWB
I2C_SDA_QUIET
SCL0
I2C_SCL_QUIET
*Q7907
14
13
12
11
10
9
8
7
6
5
4
3
2
1
*IC7900
1Y
1Z
2Z
2Y
2E
3E
GND
3Y
3Z
4Z
4Y
4E
1E
VCC
I2C_SCL_SW
470
*R7931
FE_TUNER_SW
*Q7908
JL7932
GND_D
0 . 1
*C7962
100p
*C7957
FE_TUNER_SWB
C7902
XX
C7917
XX
JL7900
10uH
*L7906
C7942
XX
C7939
XX
FE_LNA_SW_2
0
R7953
10uH
L7907
AGC_DEF
22k
*R7940
10uH
L7905
R7946
XX
C7934
XX
C7935
XX
*R7952 0
*R7941 100
*FB7902
0uH
*FB7903
0uH
*FB7904
0uH
*FB7905
0uH
*FB7906
0uH
*FB7907
0uH
*FB7908
0uH
*FB7909
0uH
*FB7910
0uH
*FB7911
0uH
SDA0
XX
C7922
XX
C7926
C7941
XX
R7938
XX
*L7904
10uH
*R7947 0
FE_DEMOD_RSTB
100
R7950
50V
100p
CH
C7937
*Q7902
2
5
3
4
1
6
*Q7901
2
5
3
4
1
6
JL7914
JL7915
JL7916
JL7918
JL7919
JL7921
JL7922
JL7923
JL7924
JL7903
JL7906
JL7917
JL7901
JL7920
JL7902
JL7925
JL7904
JL7908
JL7907
JL7909
JL7910
JL7911
JL7912
JL7913
JL7926
JL7927
JL7928
JL7929
JL7930
JL7931
6.3V
22
*C7907
2012
16V
0 . 1
*C7909
16V
0 . 1
*C7910
0 . 1
*C7924
6.3V
*C7930
2012
22
0 . 0 0 1
*C7928
16V
*C7932
0 . 1
1608
10V
1
C7933
16V
*C7938
0 . 1
16V
*C7923
100
16V
C7940
100
*C7936
100
XX
C7919
16V
*C7927
0 . 1
16V
C7945
0 . 1
16V
C7944
0 . 1
4 . 7
*C7956
*C7963
2 . 2
1uH
*L7901
XX
*L7910
10uH
*L7912
*R7930
XX
*R7927
XX
R7939
0
*R7948
0
1608
C7954
XX
1608
C7972
XX
1608
C7971
XX
25V
C7946
0 . 0 1
XX
C7920
*RB7902
100
JL7934
5V_FE
MONO_AM
CVBS_RF_ANALOG
33V
1
0
9876
5
4
3
2
1
*IC7903
VCC
OSC
GND
C3M
C3P
OUT
C2M
C2P
C1M
C1P
5V_FE
3.3V_FE
1.2V_DVB_SW
33V
3.3V_FE
3.3V_FE
5V_FE
5V_FE
3.3V_FE
5V_FE_SW
3.3V_MAIN_SW
5V_FE_SW
FE_M_DATA[7]
FE_M_SYNC
FE_M_VAL
FE_M_DATA[5]
FE_M_DATA[3]
FE_M_DATA[1]
FE_M_DATA[0]
FE_M_DATA[2]
FE_M_DATA[4]
FE_M_DATA[6]
SDA0
SCL0
FE_M_CKOUT
3.3V_MAIN_SW
I2C_SDA_QUIET
I2C_SCL_QUIET
I2C_SCL_SW
I2C_SDA_SW
3.3V_MAIN_SW
5V_FE
25V
0 . 0 2 2
C7903
25V
C7905
0 . 0 2 2
3 . 3 k
R7916
6.3V
0 . 2 2
C7916
16V
47
C7900
XX
L7900
2012
C7912
XX
3 . 3 k
R7935
0.5%
3 . 9 k
R7919
50V
C7915
2200p
2SA2122G0LS0
Q7905
3.3V_FE
16V
0 . 1
C7906
16V
C7911
0 . 1
3 . 3 k
R7933
16V
0 . 1
C7901
2 . 2 k
R7914
XX
C7904
22k
R7924
2SA2122G0LS0
Q7903
2 . 2 k
R7905
50V
4700p
C7908
R7922
2 . 2 k
R7928
XX
CVBS_RF_ANALOG
R7920
XX
XX
R7904
R7911
1M
0.5%
R7910
220k
1M
R7912
3.3V_FE
R7929
22k
2SA2122G0LS0
Q7906
2 . 7 k
R7918
Q7904
XX
4 . 7 k
R7907
1M
R7926
2SC5950G0LS0
Q7909
4 . 7 k
R7908
RB501V-40TE-17
D7900
XX
R7913
50V
2200p
C7914
XX
RB7900
2012
10V
4 . 7
C7918
2SC5950G0LS0
Q7910
6.3V
C7913
47
100
R7902
TUNER_9V
RF_ANALOG_CV
TV_L
TV_R
*R7943
0
C7959
XX
*C7943
4700p
2 . 2
*C7966
0 . 1
*C7970
XX
R7961
5V_FE
*Q7914
2
5
3
4
1
6
FE_LNA_SW
XX
C7974
XX
C7975
0
R7963
*R7964 0
R7966 0
0
*R7967
5V_MAIN
D3.3V
0uH
FB7917
0uH
FB7918
16V
100
C7976
16V
100
C7977
25V
0 . 0 1
C7978
25V
0 . 0 1
C7979
5V_FE
3.3V_FE
*R7969 0
*R7970 0
*R7971
0
*R7972
0
22
R7974
22
R7975
AFT_OUT
JL7935
JL7936
SI_RST
25V
*C7981
XX
3.3V_FE
R7977
XX
16V
*C7980
XX
*FB7912
XX
25V
*C7925
XX
TV_R
*R7942
XX
10V
*C7931
XX
50V
CH
*C7929
XX
AFT_OUT
*R7980
2 . 2 k
JL7938
*R7979
10k
5V_FE
JL7937
*R7978
2.2k
*R7981
10k
XX
C7948
1
*C7982
*R7945
2.2k
3.3V_FE
8765
4
3
2
1
*IC7904
AO
A-
A+
GND
B+
B-
BO
V+
R7983
0
5V_FE
AFT_DN
AFT_UP
1
*C7955
*Q7911
*L7902
10uH
E
ET7902
XX
E
ET7903
XX
E
ET7904
XX
E
ET7905
XX
E
ET7906
XX
E
ET7907
XX
E
ET7908
XX
E
ET7909
XX
E
ET7910
XX
E
ET7911
XX
E
ET7912
XX
0
R7901
0
R7906
XX
R7909
R7915
XX
R7917
0
R7921
0
R7923
XX
R7934
0
R7936
XX
*R7976
XX
*RB7903
100
R7944
0
3.3V_FE
FE_TUNER_SW
A2.5V_DEM
*Q7915
43
12
*IC7905
CONTROL
GND
VOUT
VIN
10k
*R7984
10k
*R7985
A2.5V_DEM
*R7986
XX
*R7987
XX
*R7988
XX
AFT_DN
SI_PLL_LOCK
2.2k
RB7904
XX
R7991
XX
R7990
RB7906
2 . 2 k
5V_FE
L7903
8.2uH
10uH
L7913
XX
R7993
16V
C7985
0 . 1
R7989
XX
SIFIN
*Q7918
XX
*R7994
XX
*R7995
XX
*R7996
XX
5V_FE
R7997
0
R7998
XX
3.3V_FE
10k
*RB7907
*R7925
XX
*R7903
XX
1
*C7961
1
*C7965
1
*C7964
0
*R7999
*R7949
0
XX
R7900
C7958
XX
*R7962
XX
1.2V_DVB_SW
*R7937
10k
FE_LNA_SW_2
FE_TUNER_SWB_5V
FE_TUNER_SWB
AGCTU
M_HSYNC
COIN_V
0
C7947
*R8000
XX
*C7921
47
C7986
50V
CH
82p
R7992
220
0.5%
5
4
3
2
1
MM3291CNRE
*IC7902
VDD
GND
CE
NC
VOUT
0 . 1
*C7983
1
*C7984
D7901
XX
*R7959
XX
*C7968
XX
JL7933
XX
*C7953
GND_D
XX
*C7952
XX
*C7950
*R7955
XX
*FB7913
XX
*R7956
XX
*C7967
XX
*R7957
XX
*FB7914
XX
XX
C7949
*L7911
XX
*R7958
XX
*R7960
XX
XX
R7954
REG12V
8
7
6
5
4
3
2
1
BD8313HFN-TR
*IC7901
XX
GND
VCC
VREG
PGND
LX
PVCC
STB
INV
*C7960
XX
1.2V_DVB_SW
3.3V_MAIN_SW
*C7951
XX
XX
R8001
GND_D
XX
C7987
XX
C7988
0uH
FB7919
0uH
FB7920
0.5A
*F7900
22
*RB7908
XX
*F7901
D7902
XX
2 . 2 k
*R7973
4.7k
*R7982
*FB7901
0uH
NC
ADR_TU
A32V
RF_AGC
IF_MONI
SCL_TU/VIF
SDA_TU/VIF
ADR_VIF
MONO_OUT
A2.5V_DEM
QSCL
MPEG_SYNC
MPEG_CLK
TS7
RST
DEM_ADR
LNA_SW
A5V_TU/LNA
DET_OUT
QSS_OUT
D1.2V_DEM
INT
MPEG_VAL
GND
TS4
DEM_SDA
DEM_SCL
A5V_IF
AFT_OUT
TS6
TS5
TS3
TS2
QSDA
D3.3V_DEM
TS1
TS0
*TU7900
XX
LNA_SW
A5V_TU/LNA
ADR_TU
A32V
SCL_TU/VIF
SDA_TU/VIF
A5V_IF
DET_OUT
AFT_OUT
RF_AGC
IF_MONI
ADR_VIF
QSS_OUT
MONO_OUT
*TU7901
XX
A3V_ANT
ADR_TU
A32V
RF_AGC
IF_MONI
SCL_TU/MPX
SDA_TU/MPX
R_OUT
L_OUT
A2.5V_DEM
QSCL
MPEG_SYNC
MPEG_CLK
TS7
RST
DEM_ADR
ANT_SEL
A5V_TU
DET_OUT
QSS_OUT
D1.2V_DEM
INT
MPEG_VAL
GND
TS4
DEM_SDA
DEM_SCL
A5V/IF
AFT_OUT
TS6
TS5
TS3
TS2
QSDA
D3.3V_DEM
TS1
TS0
*TU7903
XX
A3.3V_ANT
ADR_TU
A32V
RF_AGC
IF_MONI
SCL_TU/VIF
SDA_TU/VIF
ADR_VIF
MONO_OUT
D2.5V_DEM
QSCL
MPEG_SYNC
MPEG_CLK
TS7
RST
ADR_DEM
ANT_SEL
A5V_TU/LNA
VIDEO_OUT
QSS_OUT
D1.2V_DEM
NC
MPEG_VAL
GND
TS4
SDA_DEM
SCL_DEM
A5V_VIF
AFT_OUT
TS6
TS5
TS3
TS2
QSDA
D3.3V_DEM
TS1
TS0
*TU7902
XX
*R8004
XX
R8003
0
5V_FE
NC
ADR_TU
A32V
RF_AGC
IF_MONI
SCL_TU/VIF
SDA_TU/VIF
ADR_VIF
MONO_OUT
A2.5V_DEM
QSCL
MPEG_SYNC
MPEG_CLK
TS7
RST
DEM_ADR
LNA_SW
A5V_TU/LNA
DET_OUT
QSS_OUT
D1.2V_DEM
INT
MPEG_VAL
GND
TS4
DEM_SDA
DEM_SCL
A5V_IF
AFT_OUT
TS6
TS5
TS3
TS2
QSDA
D3.3V_DEM
TS1
TS0
*TU7905
0
R7951
1608
CHIP
*R7968
XX
R7965
0
JL7939
*Q7919
GND_D
*R8005
10k
2SC5950G0LS0
Q7916
2SA2122G0LS0
Q7917
1.4A
F7902
36V
XX
*C7989
*RB7901
100
D7903
XX
A3.3V_TU
ADR_TU
DET_IF
AGC
IF_MONI
SCL_TU/VIF
SDA_TU/VIF
NC/R
MONO_OUT/L
D2.5V_DEM
PLL_LOCK
MPEG_SYNC
MPEG_CLK
TS7
RST
ADR_DEM
LNA_SW
A5V_LNA
VIDEO_OUT
QSS_OUT
D1.2V_DEM
DEM_OSC_EN
MPEG_VAL
GND
TS4
SDA_DEM
SCL_DEM
A5V_AMP
AFT_UP/AFT
TS6
TS5
TS3
TS2
AFT_DN
D3.3V_DEM
TS1
TS0
*TU7904
33v REGULATOR
1.2v DVB
TAS
t¯“Šò
GA_D
GA_A
CHINA
TAIWAN
AFT_COMPARATOR
AFT_UP
AFT_DN
T_AFT_M
2.5V_DEM
CONTROL:H -> OUTPUT ON
CE:H -> OUTPUT ON
S i - Tu n e r
1.2v DVB for CHINA
BTD-HF421T
BTF-BG441T
BTD-AS411T
BTD-CG411T
BTD-HF422T
AEP
BA-EX2L
COMPONENTS MARKED AS XX REFER TO PARTS LIST, WILL ONLY BE LISTED IF FITTED
BA
17/18
~ BA Board Schematic Diagram [ Tuner, Main Microcontroller, HDMI/AV Input/PC Input, Scarts ] Page 17/18 ~
www.freeservicemanuals.info
4/3/16
Published in Heiloo, Holland.