LG 32LD350 Service Manual page 20

CONTROL
IR & LED
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.
+3.5V_ST
R2405
R2404
10K 10K
1% 1%
R2401
100
KEY1
R2402
100
KEY2
+3.5V_ST
+3.5V_ST
R2425
47K
R2428
22
+3.5V_ST
R2429
IR
47K
R2430
C 10K
Q2406
B R2426
2SC3052
3.3K
E
R2431
OPT
C 47K
B
Q2405 E
2SC3052
R2427
0
OPT
COMMERCIAL
+3.5V_ST
R2408
47K
COMERTIAL
R2403
22
IR_OUT
COMERTIAL
C
Q2402
E
2SC3052
COMERTIAL
L2405
BLM18PG121SN1D
19"~22"
L2406
BLM18PG121SN1D
C2411 C2412
19"~22" 0.1uF 0.1uF
16V 16V
19"~22" 19"~22"
26"~32"
L2401
BLM18PG121SN1D
D2402
C2401 5.6V
0.1uF
AMOTECH
26"~32" 26"~32"
L2402
BLM18PG121SN1D
26"~32"
C2402 D2401
0.1uF
5.6V
26"~32" AMOTECH
26"~32"
+3.5V_ST
L2403
BLM18PG121SN1D
C2403 C2404
0.1uF 1000pF
16V 50V
+3.3V_Normal
L2404
BLM18PG121SN1D
C2406
C2405
1000pF
0.1uF
50V
16V
R2409
47K
B
COMERTIAL
D2406 D2407
5.6V 5.6V
19"~22" 19"~22"
OPT
EYEQ D2403
R2411 CDS3C05HDMI1
100 5.6V
SCL_SUB/AMP
C2408
1000pF
50V
OPT
SCL
EYEQ
R2412
100 SDA
SDA_SUB/AMP
D2404
C2409
1000pF CDS3C05HDMI1 GND
5.6V
50V
OPT
OPT
KEY1
KEY2
ST_3.3V
R2413
1.5K GND
LED_B/LG_LOGO
OPT
C2410
0.1uF LED_B
16V
R2410
IR
100
D2405
C2407 5.6V
AMOTECH GND
100pF
50V
+3.3V
R2414
LED_R
1.5K
LED_R/BUZZ
R2416
10K
IR & LED
P2402
12507WR-03L
19"~22"
1
2
3
4
P2401
12507WR-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
GND
LD350 09.09.03
6