LG 22LV2500 Service Manual page 33

CONTROL
IR & LED
KEY1
KEY2
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
R2404 R2405
10K
10K
1% 1%
19-22_LAMP
L7600
BLM18PG121SN1D
L7601
BLM18PG121SN1D
19-22_LAMP
R2401
100
R2402
100
+3.5V_ST
+3.5V_ST
R2425
47K
R2428 OPT
22
+3.5V_ST
R2429
IR
47K
R2430 OPT
C 10K
Q2406
B R2426
2SC3052
47K
E OPT
OPT R2431
C 47K
B
Q2405 OPT
E
2SC3052
OPT
R2427
0
19-22_LAMP
P7600
12507WR-03L
1
2
3
C7600 C7601
0 . 1 u F 0 . 1 u F
16V 16V
4
19-22_LAMP 19-22_LAMP
19-22_LAMP 19-22_LAMP
NEC_EEPROM_SCL
L2401
BLM18PG121SN1D
L2402
D2402 NEC_EEPROM_SDA
BLM18PG121SN1D
5.6V
AMOTECH
C2401 C2402
0 . 1 u F 0 . 1 u F
D2401
5.6V
AMOTECH
+3.5V_ST
L2403
BLM18PG121SN1D
C2403 C2404
0 . 1 u F 1000pF LED_B/LG_LOGO
16V 50V
+3.3V_Normal
L2404
BLM18PG121SN1D
C2405
0 . 1 u F
16V
S/T_SCL
NEW_SUB
C906
D902
18pF
CDS3C05HDMI1
50V
5.6V
OPT
S/T_SDA
NEW_SUB
D903
C907
18pF CDS3C05HDMI1
5.6V
50V
OPT
EYEQ/TOUCH_KEY
R2411
EYEQ/TOUCH_KEY OLD_SUB NEW_SUB
100
P2401 P2402
12507WR-12L 12507WR-15L
5.6V
C2408
18pF D2403
50V
OPT
1 1
EYEQ/TOUCH_KEY
EYEQ/TOUCH_KEY
100
2 2
R2412 5.6V
C2409
D2404
18pF
3 3
50V
OPT
JP2407 4 4
JP2408 5 5
6 6
R2413 1.5K
7 7
OPT
C2410
0 . 1 u F
16V JP2409 8 8
JP2410
9 9
C2407
100pF D2405
5.6V 10 10
50V
JP2411 11 11
R2414
LED_R/BUZZ 12 12
C2406
1.5K
1000pF OPT
50V R2416 13
13
10K
14
15
16
GP2R
IR/CONT_SMALL
20101023
23