Read LG 22LH250C (CHASSIS:LD91Z) Service Manual online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
+5V_GENERAL
+3.3V_TUNER
+5V_GENERAL
FE_BOOSTER_CTL
/FE_RESET
FE_TS_DATA[0-7],FE_TS_CLK,FE_TS_VAL,FE_TS_SYN
FE_DEMOD_SDA
+1.2V_TUNER
2SC3052
Q1200
E
B
C
FE_AGC_SPEED_CTL
FE_TS_ERR
2SC3052
Q1203
E
B
C
+3.3V_TUNER
FE_TUNER_SDA
FE_SIF
+5V_GENERAL
FE_DEMOD_SCL
FE_TUNER_SCL
FE_TS_VAL
NL17SZ08DFT2G
IC1201
3
2
4
1
5
FE_TS_ERR
+3.3V_TUNER
FE_TS_VAL_ERR
GND
FE_TS_VAL
FE_VMAIN
+5V_GENERAL
MLB-201209-0120P-N2
L1202
MLB-201209-0120P-N2
L1201
MLB-201209-0120P-N2
L1204
47uF
16V
16V
C1212
0
R1238
200
R1241
200
R1240
1K
OPT
R1239
0
R1205
47
R1208
47
R1207
47pF
50V
50V
C1205
OPT
47pF
50V
50V
C1206
OPT
0 . 1 u F
16V
C1220
0 . 1 u F
16V
16V
C1215
ISA1530AC1
Q1201
E
B
C
ISA1530AC1
Q1205
E
B
C
ISA1530AC1
Q1202
E
B
C
68uF
10V
10V
C1209
0
R1223
0 . 0 1 u F
25V
25V
C1222
0 . 1 u F
16V
16V
C1208
OPT
0 . 1 u F
16V
16V
C1210
0 . 1 u F
16V
C1219
0 . 1 u F
16V
16V
C1214
0 . 1 u F
16V
C1227
0.1uF
16V
C1200
0 . 1 u F
16V
C1221
10
R1229
100
R1224
100K
R1225
100pF
50V
C1216
100pF
50V
50V
C1207
10K
R1209
10K
R1231
10K
R1232
2.2K
R1230
33
R1222
33
R1221
4.7K
R1226
47
R1213
47
R1218
47
R1211
47
R1210
47
R1219
47
R1216
47
R1220
47
R1217
47
R1214
47
R1212
47
R1215
47
R1245
470
R1227
47pF
50V
50V
C1217
47pF
50V
50V
C1218
82
R1228
TDFW-G235D
TUNER
TU1200
1
ANT[5V]
2
BB[CTR]
3
GND_1
4
+B[5V]
5
NC_1
6
RF_AGC
7
TP[VT]
8
NC_2
9
GND_2
10
SDA_T
11
SCL_T
12
AIF_1
13
NC_3
14
GND
15
VIDEO
16
NC_4
17
S I F
18
SDA
19
SCL
20
RST
21
3.3V
22
1.2V
23
ERR
24
MCL
25
D7
26
D6
27
D5
28
D4
29
D3
30
D2
31
D1
35
SHIELD
32
D0
33
VAL
34
SYNC
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[1]
FE_TS_DATA[0]
FE_TS_DATA[3]
FE_TS_CLK
FE_TS_DATA[2]
FE_TS_DATA[4]
FE_TS_SYN
FE_TS_DATA[7]
FE_TS_VAL
Tuner PLL : 0xC2
Analog Tuner : 0x86
Digital Tuner : 0x1E
1 0 1 1
TUNER
OPTION : RF AGC
DVB-CI DETECT
DVB-T/C : 1.2V(MICRONAS demod)
DVB-T : 1.8V(INTEL demod)
COMMERCIAL_LITE LH250
EAX61353501
2 0 0 9 . 0 6 . 0 9
UNER
Click on the first or last page to see other 22LH250C (CHASSIS:LD91Z) service manuals if exist.