LG 22MT57V Service Manual page 21
Hide thumbs
Also See for 22MT57V:
- Owner's manual (16 pages) ,
- Owner's manual (18 pages) ,
- Owner's manual (18 pages)
Advertisement
+19V
JK400
JP400
KJA-DC-1-0032
4
OPT
OPT
2
C400
C401
C402
47uF
10uF
10uF
25V
25V
25V
1
105C
JP401
Check the Ripple
MULTI_ON
LED_AMBER
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
MULTI_ON
IC400
MP2315GJ
R409
10K
OPT
R402
1K
AAM
FB
1
8
IN
VCC
2
7
SW
EN/SYNC
3
6
C404
C406
2.2uF
0.1uF
50V
25V
GND
BST
C417
4
5
OPT
0.1uF
R410
16V
2K
R406
68
C412
0.1uF
50V
IC401
MP2315GJ
R411
100K
R403
47K
AAM
FB
1
8
IN
VCC
2
7
SW
EN/SYNC
3
6
C405
C407
2.2uF
0.1uF
25V
50V
GND
BST
C418
4
5
0.1uF
R412
16V
15K
R407
68
C413
0.1uF
50V
+3.3V_Normal
R414
10K
IC402
C415
MP2315GJ
0.1uF
16V
OPT
R404
R416
1K
AAM
FB
75K
1
8
1%
IN
VCC
2
7
SW
EN/SYNC
3
6
C403
C408
2.2uF
0.1uF
25V
50V
GND
BST
C419
4
5
OPT
0.1uF
R413
16V
2K
R408
68
C414
0.1uF
50V
D400
MMBD6100
A2
R400
10K
C
A1
IC403
C410
MP2315GJ
0.47uF
OPT
16V
OPT
R405
1K
AAM
FB
1
8
IN
VCC
2
7
SW
EN/SYNC
3
6
C409
C411
2.2uF
0.1uF
25V
50V
GND
BST
4
5
R415
68
C416
0.1uF
50V
R418
+12V_Normal
33K
10uH
L402
R421
43K
1%
C422
C424
C428
0.1uF
10uF
10uF
R422
16V
16V
25V
100K
1%
R423
10K
1%
+3.3V_ST
R419
33K
L401
10uH
R427
1.6K
1%
C423
R428
C425
C429
22uF
10uF
0.1uF
1.6K
6.3V
10V
16V
1%
OPT
R429
1K
1%
+1.15V_VDDC
L400
4.7uH
R424
4.7K
C430
1%
C421
C426
22uF
10uF
0.1uF
R425
6.3V
10V
16V
0
OPT
5%
R426
10K
1%
+5V_Normal
R420
33K
L403
10uH
R430
47K
1%
C420
R431
OPT
C427
C431
C432
0.1uF
R417
10uF
10uF
8.2K
0.1uF
16V
2K
10V
10V
16V
1%
R432
10K
1%
3.3V NORMAL SWITCH
+3.3V_ST
R440
C439
22K
4.7uF
10V
+3.3V_ST
R401
C
R434
10K
100K
B
Q400
POWER_ON/OFF1
MMBT3904(NXP)
E
3.3V TO 1.5V LDO(DDR Power)
+3.3V_Normal
IC404
AZ1117EH-ADJTRG1
IN
OUT
ADJ/GND
R1
C433
ZD400
10uF
10V
2.5V
C435
R2
10uF
10V
Vout = 1.25*(1+R2/R1) + Iadj*R2
MT47_HD
PANEL POWER CONTROL
Q403-*1
AO3407B
+5V_Normal
+12V_Normal
23.6"FHD
HD(12V Panel)
R441-*1
HD(12V Panel)
R435
R437
22K
0
0
Q403
R441
C
100K
C440
4.7uF
B
Q3451
16V
C436
1uF
16V
FHD_NON 23.6" E
R3472
0
FHD(5V Panel)
FHD_NON 23.6"
R442
10K
HD(12V Panel)
R442-*1
4.7K
C
R436
PANEL_CTL
4.7K
B
Q401
MMBT3904(NXP)
E
MT57
POWER
+3.3V_Normal
C438
0.1uF
16V
+1.5V_DDR
+12V_PANEL_POWER
+5V_PANEL_POWER
FHD(5V Panel)
R447
R446
0
0
HD(12V Panel)/23.6"FHD
23.6"FHD
R442-*2
2.7K
2014/08/14
4
13
LGE Internal Use Only
Advertisement
