Daewoo L32R63 VKE Series, Руководство по техническому обслуживанию

Страница: 40 / 50

Document: After-sales Maintenance Service Manual No.: L32R63*VKE/L40R63*VKE/L43R63*VKE/L49R63*VKE Version: 1.0 Effective from: APRIL 4th, 2016
Page 40 of 49
XIV. Circuit Diagram (43", 3in1 board)
IF- IF+
IF-IN+ IF-IN-
IF_AGC_T
SDA-T
XTA
L2
XTA
L1
VC C
IP
-S
IM
-S
QM
-S
QP
-S
VCC VCC
RFIN
-
VC C
IF_AGC_S
RF_S
DISEQC
LN
B_INT
TCA
P
VCP
LX
+12V_Normal
VREG
EXTM
DIF+
IF-IN+
IF-IN-
DIF-
IF_AGC_S IF_AGC_T
IM-S
IP-S
QM-S
QP-S
SCL-T
RF
SDA-T
SCL-T
SCL-T SDA-T
SDA-T SCL-T
+3.3V_TU
V_TU
V_TU
VCC_LNBA
+3.3V_TU
+3.3V_TU
VCC_LNBA
+3.3V_TU
+12V_Normal
DIF
-
5
DIF
+
5
IFAGC_S
5 IFAGC_T
5
DISEQ
C
5
TUNER_SCL
5
TUNER_SDA
5
QP_S_
1
5
QM_S_
1
5
IP_S_
1
5
IM_S_
1
5
TUNE
R
屏蔽罩
Si2151
Clo
se
to
Tu
ne
r
Satellite DIF
RF_IN
AV2012
Close Tuner
I2C
Addr
: 0x11
DVB-C/T/T2 DIF
AGC RC Filter &I2C
Close Tuner
A8304
I2C
Addr
: 0xC4
I2C
Addr:
0xC0
DVB-S/S2
DVB-S/S2
C20 33pF C20 33pF
C22 1uF C22 1uF
R1
0
10K
R1
0
10K
R
5
0R
R
5
0R
C33
22pF
C33
22pF
R1
3
100R
R1
3
100R
R14 4.7K R14 4.7K
Y2 27MHz Y2 27MHz
1 2
D5 1N4933_D-DO41 D5 1N4933_D-DO41
C1 1nF C1 1nF
C2
9
100nF
C2
9
100nF
C62
22uF/25V
C62
22uF/25V
C107
5
100nF
C107
5
100nF
R
6
0R
R
6
0R
C52
0.1uF/25V
C52
0.1uF/25V
C23 22pF C23 22pF
L7
3.3nH
L7
3.3nH
R9 60K4 R9 60K4
J3
22*16M
M
屏蔽罩
J3
22*16M
M
屏蔽罩
1 2 3 4
L9
0R
L9
0R
L4 180nH L4 180nH
C35 NC/0.5pF C35 NC/0.5pF
C27 1nF C27 1nF
C
6
47pF
C
6
47pF
C4
3
100nF
C4
3
100nF
C1078
220nF/25V
C1078
220nF/25V
TP1TP1
1
L2 270nH L2 270nH
R
7
0R
R
7
0R
C31 30pF C31 30pF
C5
0
100nF
C5
0
100nF
CON2
TUNER_CONNECTOR
CON2
TUNER_CONNECTOR
1 2 3 4
D1005 B240 D1005 B240
C25 100nF C25 100nF
J4
22*16M
M
屏蔽罩
J4
22*16M
M
屏蔽罩
1 2 3 4
C4
9
10pF
C4
9
10pF
C24 1nF C24 1nF
C1081
1uF/25V
C1081
1uF/25V C3
6
10nF
C3
6
10nF
C21 100nF C21 100nF
C32 39pF C32 39pF
R
8
0R
R
8
0R
C63
22uF/25V
C63
22uF/25V
C
8
39pF
C
8
39pF
C54
22uF/25V
C54
22uF/25V
C30 100nF C30 100nF
C67 10nF/25V C67 10nF/25V
C34 30pF C34 30pF
D1 NC/BAV99 D1 NC/BAV99
3
2
1
U4
A8304
U4
A8304
VC P
1
LNB
2
AD D
3
IRQ
4
SCL
5
SDA
6
TONECTRL
7
SLEEP/
8
TCAP
9
ISET
10
VR EG
11
GND
12
VIN
13
LX
14
GNDLX
15
BOOST
16
GND
17
C19 33pF C19 33pF
C4
2
10pF
C4
2
10pF
R16 0R R16 0R
D2 NC D2 NC
3
1
2
C4
7
10pF
C4
7
10pF
C26 33pF C26 33pF
R
1
0R
R
1
0R
CON1
TUNER_CONNECTOR
CON1
TUNER_CONNECTOR
1 2 3 4
L3 270nH L3 270nH
U2
Si2151
U2
Si2151
RF_REF
19
RF_IP
20
RF_IN
22
ADDR
23
SCL
3
SDA
2
GND
8
GND
16
XTAL_O
14
XTAL_I
13
GND
21
GND_ EPAD
25
NC
18
AGC2
4
AGC1
5
1.8V
7
3.3V
9
GPIO2
1
3.3V
15
GPIO1
24
3.3V
17
IF_N
10
IF_P
11
XOUT
12
GND
6
L10 CH/10uH L10 CH/10uH
C55
22uF/25V
C55
22uF/25V
L5 270nH L5 270nH
C46 100nF C46 100nF
C60 NC/0.1uF C60 NC/0.1uF
C40 10nF C40 10nF R1
1
10K
R1
1
10K
C2 1nF C2 1nF
R
3
0R
R
3
0R
C53
22uF/25V
C53
22uF/25V
R15 NC/4.7k R15 NC/4.7k
L8
0R
L8
0R
C64
22uF/25V
C64
22uF/25V
C28 1nF C28 1nF
Y1
24MHZ/8pF
Y1
24MHZ/8pF 1 2
3
C73
8pF/NC
C73
8pF/NC
C37 10pF C37 10pF
C56
22uF/25V
C56
22uF/25V
C
7
0.1uF
C
7
0.1uF
R1
7
0R
R1
7
0R
C66 220nF/25V C66 220nF/25V
C
5
39pF
C
5
39pF
C4
5
100nF
C4
5
100nF
L6 270nH L6 270nH
C38 10pF C38 10pF
C3 1uF C3 1uF
C59
0.1uF/25V
C59
0.1uF/25V
C13 180pF C13 180pF
U3
2012
U3
2012
VCCRF1
2
RFIN+
3
RFIN-
4
VCCRF2
5
RFAGC
6
RFLP
7
RXQ P
8
RXQ N
9
RXI N
11
RXI P
12
PD
13
VCCZIF
10
ADDR 0
14
SCL
15
SDA
16
XTAL2
18
ADDR1
17
XTAL1
19
VCCXO
20
VDDD
21
REG 1O UT
22
VCCR EG1
23
CP
24
VCCC P
25
REG CAP 2
26
REG CAP 1
27
VCCR EG2
28
EPAD
29
REG2OUT
1
R1
2
100R
R1
2
100R
C39 NC/33pF C39 NC/33pF
C4
4
10pF
C4
4
10pF
C
4
0.1uF
C
4
0.1uF
C65
22uF/25V
C65
22uF/25V
D4 B340 D4 B340
R4 100R R4 100R
C41 NC/33pF C41 NC/33pF
L1
270nH
L1
270nH
C58 0.1uF C58 0.1uF
D6 B340 D6 B340
R
2
0R
R
2
0R
C7
2
8pF/NC
C7
2
8pF/NC
C57 0.1uF/25V C57 0.1uF/25V
L32R63_VKE,L40R63_VKE,L43R63_VKE,L49R63_VKE_CIS_Russia.indd 40 2016-04-05 오전 11:01:09