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DV
QQ
3 7 63 1515 0
TUNER UNIT (X86-388x-xx)
1
CN1
VMUTE
24
Lch
23
AGND
22
Rch 21
AGND
20
VR
19
VG
18
VB
17
X34-
TV
16
A/2-
NC
15
CN11
M:S/DK
14
3/4
BIL/I
13
ST/BG
12
2
D
AM/FM
11
L2 10
SCL
9
SDA
8
GND
7
X86 BU14V
6
∗
NC
5
T8.5V
4
V5V
3
CROMA8.5V
2
AUX IN
1
3
∗
I
TE
L 13942296513
C107
0.1
∗
4
VR102
100K
∗
R110
27K
C112
10P
R178
∗
C113
5
10P
6
Q104
22K
22K
www
.
CAUTION : For continued safety, replace safety critical components only with manufacturer's
recommended parts (refer to parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or
7
resistance measurements shall be carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to the customer.
DW
VMUTE
R214
15K
5
VR
VG
2.5V
6
VB
2.5V
7
8.5V
8
MS/DK
BIL/I
ST/BG
R218
SCL
27K
5
SDA
2.3V
6
R40
R42
150
2.5V
7
8.5V
1/2W
8
TP48
J
C243
47u16
+
AUXIN
Q6
D7
R35
1K
∗
R105
R102
0V
0V
6.8K
TP4
SMET
D101
4.0V
23
FLOUT
4.1V
24
VREF
3.5V
25
SVA
C109 0.022
0V
26
FLAB
3.0V
27
FLIN
0V
28
GND3
29
SDOUT
6.8V
30
MOUT
CF101
8.4V
31
VCC3
R177
7.4V
32
OSCIN1
0V
33
OSCIN2
∗
∗
X101
R179
30.55MHz
D102
D103
R117
3.3V
10K
0V
R130 100K
R128 100K
R126 100K
VR101
5K
∗
Q105
Q106
B
22K
22K
VR101
RF-AGC
22K
22K
∗
x
ao
A
y
i
DX
8
NOISE CANSELER
/TV MPX
L.P.F
C234
C233
1000P
1000P
0V
IC203
R227
4
4.7K
V-
R213
2.5V
BIN+
15K
3
AIN+
2.5V
BIN-
C220
2
1
BOUT
AIN-
1
2.5V
V+
AOUT
C219
1
C218
1
C238
C237
120P
120P
R229
0V
IC204
4
V-
R217
2.5V
BIN+
C214
27K
3
0.01
2.5V
AIN+
2.5V
BIN-
C213
2
BOUT
AIN-
10u16
2.5V
1
+
V+
AOUT
4.9V
L.P.F
L101
TP3
C101
Q Q
220P
3
6 7
1 3
SIF
R101
R173
1K
47K
1.8V
8.4V
4.1V
2.0V
11
SMTC2
10
AOUT
9
SMTC1
8
VOUT1
4.3V
IC101
7
VOUT2
VIF & SIF
DEMODULATOR
3.5V
6
AMDCA
5
0V
AFT
4
1.9V
SSC
3
3.3V
VIF2
2
3.3V
VIF1
1
VCC1
3.3V
R121
TP1
10K
TP1
IF-AGC
u163
.
DY
2 9
9 4
2 8
C246
IC202
0.47
16
17
TEST1
TEST2
15
2.4V
18
ROUT
ATC
0V
∗
C232
19
BOM
4.6V
C245
14
2.5V
LOUT
20
∗
TEST3
0.47
C231
21
BLED
22
13
2.0V
C229 0.01
SLED
ATCL
C230 0.01
12
2.0V
1.7V
ATCR
23
11
1.6V
BVSL
ASC
10
1.7V
C227
SGT
24
1
9
2.3V
BVSR
MO
8
2.2V
SEP
25
7
VREF
SUB
26
0V
6
DS
GND
27
SUBC
R208 470K
4.9V
C226 56P
5
0V
28
MGT
SUBG
R207 330K
29
TEST4
30
C225 0.1
4
1.6V
TEST5
AGC
31
TEST6
C224 0.01
3
3.0V
MGH
2
∗
∗
CUE
32
C221
R221
1
VCC
COMP
∗
2.1V
R222
1 5
0 5
8
2 9
9 4
C108
∗
0.01
C
L102
15uH
C110
R111
R114
0.1
180
CF102
330
∗
Q103
R103
TP2
470
∗
Q101
∗
R104
470
Q107
22K
Q102
22K
R109
R133
330
4.7K
R175 47K
R131
R176 33K
10K
R113 47K
R123
∗
R112 33K
10K
D
∗
L103
8.4V
C115
56P
R116
2.7K
∗
R181
10K
∗
R180
m
co
CN3
SMET,AGC
X86-388x-xx (1/2)
DZ
XXV-05V
9 9
R219
82K
Q202
47K
47K
12
Q201
R223
1K
47K
15
47K
R204
C207
82K
0.022
2.2V
0V
IC201
2.2V
AM
DEM.
4.9V
C201
10u16
+
C202
0.01
∗
E
2 8
9 9
∗
C8
F
0.1
0V
IC1
2
2.7V
5.0V
2.2V
IC1
VIDEO SW
IC2
DIVER-SITY
ANTENNA SELE
L10
600
0V
IC2
1
2
41
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