Read LG 22LD350 (CHASSIS:LA04A) 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.
RS-232C
R1285
100
OPT
R1281
100
L1209
BLM18PG121SN1D
C1234
0.1uF
16V
0.1uF
16V
R1302
220
R1282
100
R1299
220
+3.5V_ST
C1243
47pF
50V
47pF
50V
R1275
0
0
C1242
47pF
50V
47pF
50V
R1278
4.7K
C1229
0.33uF
C1239
220pF
50V
DBG_TX
R1279
4.7K
DBG_RX
R1276
0
0
C1235
220pF
50V
R1284
100
OPT
C1232
0.1uF
C1233
0.1uF
C1231
0.1uF
C1230
0.1uF
IC1201
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
D1236
30V
OPT
ADUC30S03010L
D1237
30V
OPT
ADUC30S03010L
IR_OUT
JK1201
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
TxD
RxD
male
Serial Port
RS-232C
RS-232C
LD350
09.09.03
10
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