Read LG 26LG40 (CHASSIS:LA89D) 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.
1000pF 50V
C303
100pF
50V
C307
+3.3V_IR
KST3906-MTF
Q300
E
B
C
4.7K
R345
READY
R333
LED_AM
003:T6
4.7K
R344
LED_GR1
001:V13
LED_AM
4.7K
R348
LED_AM1
001:V13
4.7K
R349
+3.3V_IR
KST3906-MTF
Q301
E
B
C
IR
006:G11
LED_GR
003:T4
LED_GR
+3.3V_IR
1000pF
50V
C309
1000pF
50V
C301
0.1uF
C300
PANEL_POWER
220uF
16V
C302
1/10W
2K
R314
1/10W
2K
R315
1000pF 50V
C311
LED_PWM
MBW3216-501TF
L308
0
R341
0.1uF
50V
C310
+5V_ST
1000pF
50V
C313
100
R340
KEY_CTL_0
001:Q4
0.1uF
50V
C312
100
R339
KEY_CTL_1
001:Q4
0.1uF
50V
C314
GND
+3.3V_MULTI
GND
+3.3V_MULTI
SMW200-26C
WXGA
P301
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
25
26
GND
0
R310
0
R311
0
R309
0
R300
0
R307
0
R308
0
R302
0
R306
0
R301
0
R303
0
R305
0
R304
+3.3V_IR
3.3K
R338
R338
3.3K
R336
R336
GND
12505WS-15A00
P304
S_Common_except_26INCH
1
SCL_EYEQ
2
SDA_EYEQ
3
GND
4
GND
5
KEY1
6
KEY2
7
3.3V_SW
8
5V_ST
9
PWM_LED
10
IR
11
EYEQ_RESET
12
GND
13
LED_G
14
LED_R/PWM
16
GND
15
GND
0.1uF
50V
C305
0.1uF
50V
C304
0.1uF 50V
READY C306
0.1uF 50V
READY C308
0
R334
4.7K
MODULE SELECTION HIGH_4.7k
R312
300
R312-*1
R312-*1
MODULE SELECTION HIGH_300
1K
Mo
du
le
S
el
ec
ti
on
L
ow
R313
22
R319
22
R317
22
READY
R316
4.7K
S_32CMO_Only_Select
R332
BG2012B080TF
L301
BG2012B080TF
L302
BG2012B080TF
L303
BG2012B080TF
L309
BG2012B080TF
L310
KEY_CTL_2
001:Q4
KEY_CTL_3
001:R4
BG2012B080TF
L312
BG2012B080TF
L311
3.3K
R320
R320
3.3K
R321
R321
+3.3V_IR
12505WS-10A00
P2004
26_INCH_ONLY
1
2
3
4
5
6
7
8
9
10
11
LVDS_TXA3-
LVDS_TXA1-
LVDS_TXA2+
LVDS_TXA1+
LVDS_TXA0-
LVDS_TXA2-
LVDS_TXA0+
LVDS_TXA4+
LVDS_TXA4-
LVDS_TXA3+
LVDS_TXA0-
LVDS_TXA1-
LVDS_TXA1+
LVDS_TXA0+
LVDS_TXA2-
LVDS_TXA2+
LVDS_TXA3+
LVDS_TXA3-
LVDS_TXAC-
LVDS_TXAC+
LVDS_TXA4-
LVDS_TXA4+
LVDS_TXAC+
LVDS_TXAC-
TXA0+[10]
TXA4+[0]
TXA0-[11]
TXAC+[4]
TXA1-[9]
TXA1+[8]
TXA4-[1]
TXA2-[7]
TXA3+[2]
TXA3-[3]
TXAC-[5]
TXA2+[6]
IR & LED & Control
Module&Ctl
2007.12.26
3 9
WGXA
FHD
LED G
LED R
Key1
GND
Key2
ST_5V
IR
LVDS data format sel
HD: PIN9 / FHD: PIN7
Low: VESA
High: JEIDA
High(300)
26"AUO(HD)
32"CMO(HD)
High(4.7K)
32"LPL(HD)
32"Sharp(HD)
GND
Key3
Key4
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